+ All Categories
Home > Documents > ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

Date post: 28-Dec-2021
Category:
Upload: others
View: 0 times
Download: 0 times
Share this document with a friend
26
ELENCO ® 150 Carpenter Avenue Wheeling, IL 60090 (847) 541-3800 Website: www.elenco.com e-mail: [email protected] DIGITAL / ANALOG TRAINER MODEL XK-700K A COMPLETE MINI-LAB FOR BUILDING, TESTING AND PROTOTYPING ANALOG AND DIGITAL CIRCUITS Tools and meter shown not included. Assembly & Instruction Manual ELENCO ® Copyright © 2013, 1996 by ELENCO ® Electronics, Inc. All rights reserved. Revised 2013 REV-G 753029 No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.
Transcript
Page 1: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

ELEN

CO

®

150

Carp

ente

r Ave

nue

Whe

eling

, IL

6009

0(8

47) 5

41-3

800

Web

site:

www

.elen

co.co

me-

mail

: ele

nco@

elenc

o.co

m

DIGITA

L / A

NALO

G TR

AINE

R

MOD

EL XK-70

0KA CO

MPL

ETE MINI-L

AB FOR

BUILD

ING, TES

TING

AND PR

OTOT

YPING AN

ALOG

AND

DIGITA

L CIRC

UITS

Tools

and

met

er sh

own

not in

clude

d.As

sembly & Instruction Man

ual

ELEN

CO®

Copy

right

© 2

013,

199

6 by

ELE

NCO®

Elec

tronic

s, In

c. A

ll righ

ts re

serv

ed.

R

evise

d 20

13

R

EV-G

7530

29No

par

t of t

his b

ook s

hall b

e re

prod

uced

by a

ny m

eans

; elec

tronic

, pho

toco

pying

, or o

ther

wise

with

out w

ritte

n pe

rmiss

ion fr

om th

e pu

blish

er.

Page 2: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

Qty.

Desc

riptio

nPa

rt #

r1

Tran

sform

er44

K500

r1

PC b

oard

5145

50r

1Fu

se 1

.25A

5301

25r

1Sw

itch

illum

inate

d54

1204

r2

Conn

ecto

r 3-p

in59

1032

r1

Conn

ecto

r 5-p

in59

1052

r4

Brac

ket L

4-4

0 ta

p61

3008

r1

Pane

l top

6141

08r

1XK

-700

Fra

me

6145

01PB

r4

Knob

6220

09r

1Ca

se62

3051

r1

Stra

in re

lief

6240

03r

1Sp

acer

nylo

n 7/

16” x

3/1

6” ta

p62

4013

r1

Conn

ecto

r rec

epta

cle62

6020

r1

Conn

ecto

r plug

6260

21r

1Sc

rew

4-40

x 1/4

” phil

lips,

flat h

ead

6414

31r

9Sc

rew

4-40

x 1/

4” p

hillip

s tru

ss64

1438

r6

Scre

w 6-

32 x

5/16

” slot

ted

6416

41r

2Sc

rew

8-32

x 3/

8” p

hillip

s64

1840

r2

Scre

w #4

x 1/

4” p

hillip

s AB

6424

30r

4Sc

rew

#6 x

1/2

philli

ps A

B64

2662

r4

Scre

w #6

x 3/

8” p

hillip

s thr

ead

cuttin

g64

3652

r4

Nut 7

mm

6441

01r

6Nu

t 6-3

264

4601

r2

Nut 8

-32

6448

00r

4W

ashe

r 8m

m x

14m

m (P

ot)

6451

01r

4W

ashe

r #6

black

6454

00

Qty.

Desc

riptio

nPa

rt #

r4

Was

her f

iber

6454

04r

2Lo

ckwa

sher

#8

EXT

6468

28r

1Fu

se h

older

6630

00r

4Br

edblo

x 4-p

in66

5204

r2

Term

inal m

ale cr

imp

6660

10r

2Te

rmina

l fem

ale cr

imp

6660

11r

1M

anua

l75

3029

r5

Insu

lator

mica

7800

02r

5In

sulat

or w

ashe

r78

0101

r1

Silic

on G

reas

e79

0004

r6”

Wire

#20

red

stran

ded

8132

10r

2.5’

Wire

#22

bar

e wi

re84

5000

r1

Line

cord

8621

05r

3/4”

Tubin

g #2

0 bla

ck89

0020

r2”

Shrin

k tub

ing 3

/16”

8901

20r

1”Sh

rink t

ubing

1/4

”89

0701

r2”

Shrin

k tub

ing 1

/2”

8911

01-2

r2”

Shrin

k tub

ing 3

/4”

8991

10-2

r1

Solde

r tub

e lea

d-fre

eLF

99

-1-

PS-700

-BXK

-700

K PO

WER

SUP

PLY KIT (PS-70

0-B) PAR

TS LIST

RESIST

ORS

Qty.

Symbo

lVa

lue

Desc

riptio

nPa

rt #

r2

R1, R

212

0W5%

1/4

W(b

rown

-red-

brow

n-go

ld)13

1200

r2

R50,

R51

1.2kW

5% 1

/2W

(blac

k-re

d-re

d-go

ld)14

1201

r1

VR3

1kW

Pot P

C m

ount

1924

12r

2VR

1, V

R22kW

Pot P

C m

ount

19

2421

r1

VR4

100kW

Pot P

C m

ount

19

2612

CAPA

CITO

RSQty.

Symbo

lVa

lue

Desc

riptio

nPa

rt #

r3

C7-C

9.1m

F 10

0VM

ylar

2510

17r

5C1

2, C

14-C

1710

0mF

Elec

trolyt

ic (ly

tic)

2810

45r

4C1

, C2,

C4,

C5

1000

mF

35V

Elec

trolyt

ic (ly

tic)

2910

46r

1C3

2200

mF

25V

Elec

trolyt

ic (ly

tic)

2922

25SE

MICON

DUCT

ORS

Qty.

Symbo

lDe

scrip

tion

Part #

r19

D1-D

15, D

26-D

291N

4001

Diod

e31

4001

r1

U1LM

317

Inte

grat

ed ci

rcuit

(IC)

3303

17r

1U5

LM33

7 In

tegr

ated

circ

uit (I

C)33

0337

r1

U3LM

7805

Inte

grat

ed ci

rcuit

(IC)

3378

05r

1U2

LM78

12 In

tegr

ated

circ

uit (I

C)33

7812

r1

U4LM

7912

Inte

grat

ed ci

rcuit

(IC)

3379

12MISCE

LLAN

EOUS

Screw Iden

tification

Philli

ps A

Bsc

rew

Flat

hea

d sc

rew

Stan

dard

scre

wTr

uss h

ead

scre

w

-50-

QUIZ - DIGITA

L SE

CTION

INST

RUCT

IONS

: Co

mple

te th

e fo

llowi

ng e

xam

inatio

n, ch

eck y

our a

nswe

rs ca

refu

lly.

1. T

he lo

gic sw

itche

s con

sist o

f . .

.r

A. tw

o NA

ND g

ates

and

an

SPST

switc

h.r

B. th

ree

OR g

ates

.r

C. tw

o NA

ND g

ates

and

a D

PDT

switc

h.r

D. o

ne O

R ga

te.

2. W

hen

the

logic

switc

h is

thro

wn .

. .r

A. th

e co

ntac

ts do

not

bou

nce.

rB.

a si

ngle

trans

ition

is pr

oduc

ed a

t the

NAN

D ga

te o

utpu

t.r

C. a

mult

iple

trans

ition

is pr

oduc

ed a

t the

NAN

D ga

te o

utpu

t.r

D. n

one

of th

e ab

ove.

3. If

the

X ou

tput

is h

igh, o

penin

g an

d clo

sing

the

grou

nd a

t X sw

itch

will .

. .

rA.

caus

e th

e X

outp

ut to

go

low.

rB.

caus

e th

e X

outp

ut to

go

high.

rC.

caus

e th

e X

outp

ut to

go

from

high

to lo

w.r

D. n

one

of th

e ab

ove.

4. T

he lo

gic in

dicat

or L

ED lig

hts u

p wh

en .

. .r

A. in

put v

oltag

e is

2V.

rB.

inpu

t volt

age

is gr

eate

r tha

n 2.

8.r

C. th

e IC

out

put is

high

.r

D. a

ll of t

he a

bove

.5.

The

logic

switc

hes u

se .

. .r

A. si

ngle

pole

single

thro

w sw

itche

s.r

B. d

ouble

pole

dou

ble th

row

switc

hes w

ires a

s sing

le po

le do

uble

thro

w sw

itche

s.r

C. tw

o po

le 5

posit

ion ro

tary

switc

hes.

rD.

4 p

ole 3

pos

ition

rota

ry sw

itche

s.6.

The

100

kWre

sisto

r on

the

logic

indica

tor i

nput

. . .

rA.

divi

des t

he in

put v

oltag

e in

half.

rB.

bias

the

input

to +

5V.

rC.

bias

the

input

to G

ND.

rD.

turn

on

the

LED.

7.W

hen

the

logic

switc

h is

in th

e X

posit

ion .

. .r

A. X

is h

igh, X

is lo

w.r

B. X

is h

igh, X

is h

igh.

rC.

X is

low,

X is

high

.r

D. X

is lo

w, X

is lo

w.8.

Whe

n th

e da

ta sw

itch

is up

and

conn

ecte

d to

the

logic

indica

tor .

. .

rA.

the

switc

h ou

tput

is g

reat

er th

an 2

.8V.

rB.

the

switc

h ou

tput

is G

ND.

rC.

the

LED

will b

e ou

t.r

D. n

one

of th

e ab

ove.

9. T

he +

5VDC

pow

er fo

r the

digi

tal s

ectio

n co

mes

from

a .

. .r

A. 7

805

IC.

rB.

790

5 IC

.r

C. 5

V ba

ttery.

rD.

781

2 IC

.10

. If p

in 4

on U

7B is

high

. . .

rA.

pin

3 is

low.

rB.

pin

1 is

low.

rC.

pin

2 an

d 6

are

high.

rD.

pin

5 is

high.

Answers:1. C; 2. B; 3. D; 4. B; 5. B; 6. C; 7. A; 8. A; 9. A; 10. B

Page 3: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-2-

PART

S VE

RIFICA

TION

Befo

re b

eginn

ing th

e as

sem

bly p

roce

ss, f

irst f

amilia

rize

your

self w

ith th

e co

mpo

nent

s and

this

instru

ction

boo

k.Ve

rify t

hat a

ll par

ts ar

e pr

esen

t. Th

is is

done

bes

t by c

heck

ing o

ff ea

ch ite

m in

the

parts

list.

IDEN

TIFY

ING RE

SIST

OR VAL

UES

Use

the

follo

wing

info

rmat

ion a

s a g

uide

in pr

oper

ly ide

ntify

ing th

e va

lue o

f res

istor

s.

Resistors

Capa

citors

Elec

trolyt

ic(L

ytic)

(Rad

ial)

Conn

ectors

Switc

hes

Myla

r

Rota

ryDP

DT

Disc

ap

Knob

3-Pi

n4-

Pin

5-Pi

n

Misce

llane

ous

Illum

inate

d

Conn

ecto

r plug

Male

crim

pte

rmina

lFe

male

crim

pte

rmina

l

Inte

grat

ed ci

rcuit

(IC)

Tran

sisto

rIn

tegr

ated

circ

uit (I

C)Diod

e

LED

IDEN

TIFY

ING CA

PACITO

R VA

LUES

Capa

citor

s wi

ll be

iden

tified

by

their

cap

acita

nce

value

in p

F (p

icofa

rads

), nF

(nan

ofar

ads)

, or m

F (m

icrof

arad

s). M

ost

capa

citor

s will

have

their

actu

al va

lue pr

inted

on th

em. S

ome c

apac

itors

may

have

their

value

print

ed in

the f

ollow

ing m

anne

r.Th

e m

axim

um o

pera

ting

volta

ge m

ay a

lso b

e pr

inted

on

the

capa

citor

.

PC m

ount

pot

entio

met

er

PC m

ount

trim

pot

Semicon

ductors

IC so

cket

Bred

blox

Conn

ecto

r rec

epta

cle

Tran

sform

er

Carb

on fil

m Warning

:If

the

capa

citor

isco

nnec

ted

with inc

orrect

polarity, it may

hea

t up an

deither lea

k, o

r ca

use

the

capa

citor to ex

plod

e.

BAND

S

Elec

trolyt

ic ca

pacit

ors h

ave a

posit

ive an

d ane

gativ

e ele

ctrod

e. T

he n

egat

ive le

ad is

indica

ted

on th

e pa

ckag

ing b

y a st

ripe

with

minu

s sign

s and

poss

ibly a

rrowh

eads

. Also

,th

e ne

gativ

e lea

d of

a ra

dial e

lectro

lytic

issh

orte

r tha

n th

e po

sitive

one

.

Polar

itym

arkin

g

BAND

11s

t Digi

tCo

lor

Digit

Blac

k0

Brow

n1

Red

2Or

ange

3Ye

llow

4Gr

een

5Bl

ue6

Viole

t7

Gray

8W

hite

9

BAND

22n

d Di

gitCo

lor

Digit

Blac

k0

Brow

n1

Red

2Or

ange

3Ye

llow

4Gr

een

5Bl

ue6

Viole

t7

Gray

8W

hite

9

Multip

lier

Color

Multip

lier

Blac

k1

Brow

n10

Red

100

Ora

nge

1,00

0Ye

llow

10,0

00G

reen

100,

000

Blue

1,00

0,00

0Si

lver

0.01

Gol

d0.

1

Resistan

ceTo

leranc

eCo

lor

Toleranc

eSi

lver

±10%

Gol

d±5

%Br

own

±1%

Red

±2%

Ora

nge

±3%

Gre

en±0

.5%

Blue

±0.2

5%Vi

olet

±0.1

%

12

Mult

iplier

Toler

ance

Mult

iplier

For t

he N

o.0

12

34

58

9M

ultipl

y By

110

100

1k10

k10

0k.0

10.

1

(+)

(–)

(+)

(–)

Axial

Radial

Seco

nd d

igit

Firs

t digi

t

Mult

iplier

Toler

ance*

Note:

The

lette

r “R”

may

be

used

at

times

to s

ignify

a d

ecim

al po

int; a

s in

3R3

= 3.

3

The

lette

r M in

dicat

es a

toler

ance

of +

20%

The

lette

r K in

dicat

es a

toler

ance

of +

10%

The

lette

r J in

dicat

es a

toler

ance

of +

5%

Max

imum

wor

king

volta

ge(m

ay o

r may

not

app

ear

on th

e ca

p)Th

e va

lue is

10

x 10

= 10

0pF,

+10%

, 50V

*

CERA

MIC DISC

MYL

AR

Firs

t digi

tSe

cond

digi

tM

ultipl

ierTo

leran

ce*

2A222J100V

The

value

is 2

2 x 1

00 =

2,

200p

F or

.002

2mF,

+5%

, 100

V

101K

50V

Fuse

ass

embly

7/16

” x3/

16” t

ap

Spac

ers

1/4”

#8

SCHE

MAT

IC DIAGR

AM

-49-

Page 4: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-3-

CONS

TRUC

TION

Solde

rSo

lderin

g Iro

n

Foil

Solde

rSo

lderin

g Iro

n

Foil

Com

pone

nt L

eadSo

lderin

g Iro

n

Circ

uit B

oard

Foil

Rosin

Solde

ring

iron

posit

ioned

incor

rectl

y.

Solde

r

Gap

Com

pone

nt L

ead

Solde

r

Solde

ring

Iron

Drag

Foil

1.So

lder a

ll co

mpo

nent

s fro

m th

eco

pper

foil

side

only.

Pu

sh th

eso

lderin

g iro

n tip

aga

inst b

oth

the

lead

and

the

circu

it boa

rd fo

il.

2.Ap

ply a

small

am

ount

of s

older

toth

e iro

n tip.

This

allow

s the

heat

tolea

ve th

e iro

n an

d on

to th

e fo

il.Im

med

iately

app

ly so

lder t

o th

eop

posit

e sid

e of

the

conn

ectio

n,aw

ay f

rom

the

iro

n. A

llow

the

heat

ed co

mpo

nent

and

the

circu

itfo

il to

melt

the

solde

r.

1.Insu

fficien

t hea

t- th

e so

lder w

illno

t flow

ont

o th

e lea

d as

show

n.

3.Al

low th

e sold

er to

flow

arou

nd th

eco

nnec

tion.

Th

en,

rem

ove

the

solde

r an

d th

e iro

n an

d let

the

conn

ectio

n co

ol.

The

solde

rsh

ould

have

flowe

d sm

ooth

ly an

dno

t lum

p ar

ound

the

wire

lead

.

4.He

re

is wh

at

a go

od

solde

rco

nnec

tion

looks

like.

2.Insu

fficie

nt so

lder

- let th

e sold

erflo

w ov

er th

e co

nnec

tion

until

it is

cove

red.

Use

just e

noug

h so

lder t

o co

ver

the

conn

ectio

n.

3.Ex

cess

ive so

lder

- cou

ld m

ake

conn

ectio

ns t

hat

you

did n

otint

end

to b

etwe

en a

djace

nt f

oilar

eas o

r ter

mina

ls.

4.So

lder b

ridge

s-

occu

r wh

enso

lder r

uns

betw

een

circu

it pa

ths

and

crea

tes a

shor

t circ

uit. T

his is

usua

lly ca

used

by us

ing to

o muc

hso

lder.

To c

orre

ct th

is, s

imply

dra

g yo

urso

lderin

g iro

n ac

ross

the

solde

rbr

idge

as sh

own.

Wha

t Goo

d So

ldering Lo

oks Like

A go

od s

older

con

necti

on s

hould

be

brigh

t, sh

iny, s

moo

th, a

nd u

nifor

mly

flowe

d ov

er a

ll sur

face

s.

Type

s of Poo

r Solde

ring Co

nnec

tions

Intro

duction

The

mos

t im

porta

nt fa

ctor i

n as

sem

bling

you

r XK-

700K

Digi

tal/A

nalog

Train

er K

it is g

ood

solde

ring

tech

nique

s. Us

ing th

e pr

oper

solde

ring

iron

is of

prim

e im

porta

nce.

A s

mall

pen

cil ty

pe s

older

ing ir

on o

f 25

watts

isre

com

men

ded.Th

e tip of the

iron

mus

t be k

ept c

lean

at all tim

es an

dwe

ll-tin

ned.

Solder

For m

any y

ears

lead

ed so

lder w

as th

e mos

t com

mon

type

of so

lder u

sed

by th

e ele

ctron

ics in

dustr

y, bu

t it i

s no

w be

ing re

place

d by

lead

-free

solde

r fo

r he

alth

reas

ons.

This

kit c

onta

ins le

ad-fr

ee s

older

, whic

hco

ntain

s 99.

3% tin

, 0.7

% co

pper

, and

has

a ro

sin-fl

ux co

re.

Lead

-free

solde

r is di

ffere

nt fr

om le

ad so

lder:

It has

a hig

her m

elting

point

than

lead

sold

er, s

o yo

u ne

ed h

igher

tem

pera

ture

for t

he s

older

to fl

owpr

oper

ly. R

ecom

men

ded

tip te

mpe

ratu

re is

app

roxim

ately

700

O F; h

igher

tem

pera

ture

s im

prov

e so

lder f

low b

ut a

ccele

rate

tip d

ecay

. An

incre

ase

in so

lderin

g tim

e may

be re

quire

d to a

chiev

e goo

d res

ults.

Solde

ring i

ron

tips

wear

out

faste

r sinc

e lea

d-fre

e so

lders

are

mor

e co

rrosiv

e an

d th

ehig

her s

older

ing te

mpe

ratu

res a

ccele

rate

corro

sion,

so pr

oper

tip ca

re is

impo

rtant

. The

sold

er jo

int fi

nish

will

look

sligh

tly d

uller

with

lead

-free

solde

rs.

Use

thes

e pr

oced

ures

to in

crea

se th

e life

of y

our s

older

ing ir

on tip

whe

nus

ing le

ad-fr

ee so

lder:

•Kee

p th

e iro

n tin

ned

at a

ll tim

es.

•Use

the

corre

ct tip

size

for b

est h

eat t

rans

fer.

The

conic

al tip

is th

em

ost c

omm

only

used

.

•Tur

n of

f iro

n wh

en n

ot in

use

or r

educ

e te

mpe

ratu

re s

ettin

g wh

enus

ing a

solde

ring

statio

n.

•Tips

shou

ld be

clea

ned f

requ

ently

to re

move

oxida

tion b

efore

it be

come

sim

poss

ible

to re

move

. Use

Dry

Tip C

leane

r (El

enco

®#S

H-10

25) o

r Tip

Clea

ner (

Elen

co®

#TTC

1). If

you u

se a

spon

ge to

clea

n you

r tip,

then u

sedis

tilled

wate

r (tap

wate

r has

impu

rities

that

acce

lerate

corro

sion)

.

Safety Proce

dures

•Always w

ear s

afety g

lasses or s

afety g

oggles to

protect

your eye

s wh

en w

orking

with

tools or solde

ring iro

n,an

d du

ring all p

hase

s of te

sting.

•Be

sure

ther

e is ad

equa

te ven

tilation

when

solde

ring.

•Loc

ate

solde

ring

iron

in an

are

a wh

ere

you

do n

ot h

ave

to g

o ar

ound

it or

reac

h ov

er it

. Kee

p it

in a

safe

are

a aw

ay fr

om th

e re

ach

ofch

ildre

n.•D

o no

t hold so

lder in

you

r mou

th.S

older

is a

toxic

sub

stanc

e.W

ash

hand

s tho

roug

hly a

fter h

andli

ng so

lder.

Asse

mble Co

mpo

nents

In a

ll of t

he fo

llowi

ng a

ssem

bly st

eps,

the

com

pone

nts m

ust b

e ins

talle

don

the

top

side

of th

e PC

boa

rd u

nless

oth

erwi

se in

dicat

ed. T

he to

pleg

end s

hows

whe

re ea

ch co

mpo

nent

goes

. The

lead

s pas

s thr

ough

the

corre

spon

ding

holes

in th

e bo

ard

and

are

solde

red

on th

e fo

il side

.Us

e on

ly ro

sin co

re solde

r.DO

NOT

USE

ACID CO

RE SOL

DER!

-48-

CIRC

UIT DE

SCRIPT

ION - D

IGITA

L SE

CTION

THE DA

TA SWITCH

ESTh

ere

are

eight

dat

a sw

itche

s lab

eled

SW1

thro

ugh

SW8.

The

circ

uit is

ver

y sim

ple.

To p

erfo

rm th

e de

sired

func

tions

, ther

e is a

doub

le th

row

doub

le po

le sw

itch,

wire

d as a

sing

le po

le do

uble

thro

w. O

ne en

d is c

onne

cted

to th

e 5V

, the

oth

er to

gro

und

and

the

cent

er lu

g is

conn

ecte

d to

the

outp

ut.

THE LO

GIC SW

ITCH

ESTh

e log

ic sw

itche

s ar

e als

o DP

DT s

witch

es w

ired

as S

PST

switc

hes.

The

logic

swi

tches

per

form

the

sam

efu

nctio

n as

the

data

switc

hes.

Tha

t is, t

hey p

rodu

ce h

igh o

r low

stat

es.

But t

here

is o

ne b

ig dif

fere

nce.

Whe

nsw

itchin

g th

e da

ta sw

itche

s, m

any p

ulses

may

be

prod

uced

due

to b

ounc

ing o

f the

cont

acts.

In th

e log

ic sw

itche

s, on

ly on

e pu

lse is

pro

duce

d at

the

IC o

utpu

t no

mat

ter h

ow m

any t

imes

the c

onta

cts bo

unce

. This

is ex

trem

ely im

porta

ntif

you

are

prod

ucing

puls

es fo

r cou

nting

circ

uits.

Figu

re R

sho

ws th

ewi

ring

of th

e log

ic sw

itch.

The

two

NAND

gat

es a

re c

onne

cted

so th

atwh

en th

e X

input

is g

roun

ded,

the

X ou

tput

goe

s hig

h. O

penin

g an

dclo

sing

the

grou

nd a

t X w

ill no

t cha

nge

the

outp

ut.

Only

when

X is

grou

nded

will

the

outp

ut ch

ange

to lo

w. T

hus,

only

one

outp

ut ch

ange

ispr

oduc

ed w

ith on

e mov

emen

t of th

e X sw

itch.

The

re ar

e two

outp

uts f

rom

each

logic

switc

h, X

and

X o

r Y a

nd Y.

THE LO

GIC INDICA

TORS

Ther

e ar

e eig

ht lo

gic in

dicat

ors.

Figu

re S

show

s the

circ

uit.

It co

nsist

s of a

74HC

04 IC

. W

hen

the

input

is o

ver 2

.8V,

the

outp

ut o

f the

IC w

ill be

low,

draw

ing c

urre

nt th

roug

h th

e LE

D ind

icato

r. T

he 1

20W

resis

tor l

imits

the

curre

nt in

the

LED

to le

ss th

an 2

0mA.

Whe

n th

ere

is no

conn

ectio

n to

the

input

of t

he lo

gic in

dicat

ors,

the

two

100kW

resis

tor b

ias th

e inp

ut to

GND

.Th

is ins

ures

that

the

LED

will b

e of

f.

Figu

re R

XIC

7

XX

X6

541 23

IC7

100k

100k

120

74HC

04LE

D5V

Figu

re S

Page 5: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-4-

INTR

ODUC

TION

The

XK-7

00K

Digit

al/An

alog T

raine

r is d

ivide

d int

o fo

ur se

para

te ki

ts: B

B-70

0-A,

PS-

700-

B, A

N-70

0-C

and

DG-

700D

. Eac

h ba

g of

par

ts is

clear

ly ide

ntifie

d. O

pen

only

the

kit ca

lled

for i

n yo

ur p

roce

dure

. DO

NOT

open

any

othe

r bag

at t

his tim

e. T

he fir

st kit

is th

e BB

-700

-A w

hich

cont

ains o

nly th

e br

eadb

oard

. The

bre

adbo

ard

will b

eas

sem

bled

to th

e fro

nt p

anel

of th

e tra

iner d

uring

the

asse

mbly

of t

he P

S-70

0-B

Powe

r Sup

ply. R

ead

your

instru

ction

s car

efull

y.Po

wer S

upply

The

XK-7

00K

has

five

built-

in po

wer s

uppli

es w

hich

will s

atify

mos

t des

ign n

eeds

. This

inclu

des

two

varia

blepo

wer s

uppli

es gi

ving u

p to +

20 vo

lts an

d –20

volts

at 0.

5 am

p. B

elow

15V,

the c

urre

nt av

ailab

le is

1 am

p. T

hree

fixed

pow

er s

uppli

es g

ive y

ou +

12VD

C, –

12VD

C or

+5V

DC a

t 1 a

mp

each

. The

se fi

xed

volta

ges

are

the

mos

tco

mm

only

used

volta

ges f

or d

esign

wor

k. Al

l sup

plies

are

regu

lated

to w

ithin

150m

V. T

his m

eans

that

you

can

incre

ase

the

curre

nt d

raw

from

no

load

to 0

.5 a

mp

and

the

volta

ge w

ill ch

ange

less

than

150

mV.

All s

uppli

es a

reals

o sh

ort c

ircuit

pro

tecte

d by

usin

g int

egra

ted

circu

it reg

ulato

r dev

ices.

Analog

Trainer Sec

tion Fu

nctio

n Ge

nerator

The

analo

g tra

iner c

onta

ins a

com

plete

func

tion

gene

rato

r cap

able

of p

rodu

cing

sine,

squ

are

and

trian

glewa

vefo

rms.

The

frequ

ency

of t

he g

ener

ator

is co

ntinu

ously

varia

ble fr

om o

ne h

ertz

to o

ver 1

00,0

00 h

ertz

in fiv

este

ps. A

fine

tunin

g co

ntro

l mak

es th

e se

lectio

n of

any

freq

uenc

y eas

y. Th

e ou

tput

volta

ge a

mpli

tude

is va

riable

betw

een

0 to

15V

pp. T

he o

utpu

t impe

danc

e is

appr

oxim

ately

330

ohm

s.Digital Trainer Sec

tion

The

digita

l train

er h

as th

e ne

cess

ary f

uncti

ons t

o do

your

digi

tal e

xper

imen

ts. T

hey c

onsis

t of a

cloc

k gen

erat

or,

two

no-b

ounc

e sw

itche

s, eig

ht L

ED in

dicat

or la

mps

and

eigh

t dat

a sw

itche

s.

POWER

SUP

PLY SP

ECIFICAT

IONS

Powe

r Sup

plies:

• 0V

to 2

0VDC

@ 0

.5 a

mp

(0V

to 1

5V @

1 a

mp)

.• 0

V to

-20V

DC @

0.5

am

p (0

V to

–15

V @

1 a

mp)

.• +

12V

+5%

@ 1

am

p.• –

12V

+5%

@ 1

am

p.• +

5V +

5% @

1 a

mp.

• 30V

AC ce

nter

tapp

ed @

1 a

mp.

• Loa

d re

gulat

ion -

all D

C su

pplie

s les

s tha

n 0.

2V n

o loa

d to

0.5

A.• L

ine re

gulat

ion -

all D

C su

pplie

s les

s tha

n 0.

2V 1

05 to

135

V.• H

um a

nd ri

pple

- all D

C su

pplie

s les

s tha

n 0.

01V

RMS.

• Sho

rt pr

otec

tion

- all D

C su

pplie

s-int

erna

l IC th

erm

al cu

toff.

• Fus

e 1.

25A

250V

.Va

riable Re

sistan

ce (u

nded

icated

):• 1

kWPo

tent

iomet

er• 1

00kW

Pote

ntiom

eter

USER

S DE

SCRIPT

ION OF

FRO

NT PAN

EL CON

TROL

S1)

On/Off Sw

itch

- Allo

ws p

ower

to b

e ap

plied

to a

ll out

puts.

Swi

tch w

illlig

ht w

hen

on.

2)Fu

se Holde

r- E

asy a

cces

s for

repla

cem

ent o

f 1.2

5A fu

se.

3)Po

wer O

utpu

t Terminals

- This

pro

vides

30V

AC ce

nter

tapp

ed a

t15

VAC

; also

pro

vides

out

put t

erm

inal fo

r pos

itive

and

nega

tive

varia

ble vo

ltage

s.4)

Varia

ble Po

sitiv

e Vo

ltage

Con

trol-

Var

ies p

ositiv

e vo

ltage

from

0V

to 2

0V a

t indic

ated

out

put c

onne

ctor p

in.5)

Varia

ble Ne

gativ

e Vo

ltage

Con

trol-

Var

ies n

egat

ive vo

ltage

from

0V to

–20

V at

indic

ated

out

put c

onne

ctor p

in.6)

Powe

r Outpu

t Bredb

lox

- Out

put t

erm

inals

for G

ND, –

12, +

12, a

nd +

5.7)

Outp

ut te

rmina

ls fo

r 1k a

nd 1

00k u

nded

icate

d po

tent

iomet

ers.

8)1kW

unde

dicat

ed p

oten

tiom

eter

.9)

100kW

unde

dicat

ed p

oten

tiom

eter

.

123457

89

6

-47-

INST

ALL CO

MPL

ETED

UNIT INTO

CAS

Er

Plac

e th

e str

ain re

lief o

nto

the

line

cord

as s

hown

in F

igure

N.

rSq

ueez

e the

two s

ectio

ns to

geth

er w

ith pl

iers a

s sho

wn in

Figu

re O

. The

n, in

sert

the s

train

relie

f into

the h

ole.

rLa

y the

train

er in

side

of th

e ca

se a

s sho

wn in

Figu

re P

.r

Align

the

holes

in th

e bo

ttom

cas

e wi

th th

ose

in th

e tra

iner a

nd s

ecur

e it

into

place

with

four

#6

x 1/

2” A

Bsc

rews

and

four

#6

wash

er a

s sho

wn in

Figu

re Q

.

Figu

re P

Figu

re Q

Figu

re N

Figu

re O

#6 x

1/2”

AB

Scre

w#6

Was

her

Back

Pan

elBa

ck Pan

el

Page 6: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-5-

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

Start H

ere

S1 -

5-pin

conn

ecto

r(s

ee F

igure

A)

L-br

acke

t(s

ee F

igure

B)

VR4

- 100

kWpo

tVR

3 - 1

kWpo

t(s

ee F

igure

C)

S3 -

3-pin

conn

ecto

rS2

- 3-

pin co

nnec

tor

(see

Figu

re A

)L-

brac

ket

(see

Figu

re B

)C8

- 0.

1mF

myla

r (10

4)(s

ee F

igure

D)

Botto

m le

ft co

rner

of P

C bo

ard

Top

left c

orne

r of P

C bo

ard

Figu

re C

Mou

nt do

wn flu

sh w

ith P

C bo

ard.

The

value

may

be

mar

ked

on th

e on

the

back

side

of p

ot.

Cut

off

exce

ss

lead

lengt

h af

ter

solde

ring.

Figu

re B

Note

: On

e sid

e of

the

brac

ket

is lon

ger.

Mou

nt th

is sid

e to

the

PC

boar

d.

Mou

nt

the

brac

ket t

o th

e to

p leg

end

side

of th

e PC

 boa

rd w

ith a

4-4

0 x

1/4”

scre

w an

d fib

er w

ashe

r.

Figu

re A

Mou

nt th

e con

necto

r as s

hown

and s

older

the p

insof

the

conn

ecto

r.

Figu

re D

Bend

the

capa

citor

at a

45O

angle

bef

ore

solde

ring.

Cut

off

exce

ss le

ads.

Cut o

ff ta

b

4-40

x 1/

4”Sc

rew

Top

legen

dsid

e of

PC b

oard

Fibe

rwa

sher

Brac

ket

PC b

oard

-46-

FINA

L AS

SEMBL

Yr

Faste

n th

e fro

nt p

anel

inpla

ce w

ith fo

ur #

6 x

3/8”

thre

ad c

uttin

g sc

rews

, as

show

n in

Figu

re I.

rFa

sten t

he P

C bo

ard t

o the

spac

er o

n th

e fro

nt p

anel

with

a fi

ber w

ashe

r and

a4-

40 x

1/4

” sc

rew

(from

Powe

r Su

pply

Secti

on)

from

the

foil s

ide o

f the

PC

boar

d,

in th

e loc

ation

show

n in

Figu

re J.

rFa

sten t

he po

ts to

the f

ront

pane

l with

an 8m

m w

ashe

ran

d a

7mm

nut

, as

show

nin

Figu

re I.

rTu

rn th

e sh

afts

on th

e tw

osw

itche

s fu

lly

coun

ter-

clock

wise

. Pus

h th

e kn

obs

onto

the

shaf

ts so

that

the

line

on th

e kn

ob is

in li

newi

th th

e “S

quar

ewav

e” o

nth

e wa

vefo

rm c

ontro

l and

“10”

on

th

e Co

arse

Freq

uenc

y co

ntro

l (s

eeFi

gure

K).

If th

e kn

obs

are

loose

on

the

shaf

ts,

inser

t a

scre

wdriv

er i

nto

the

slot

and e

xpan

d the

slot

sligh

tly(s

ee F

igure

M).

rTu

rn th

e sha

fts on

the p

ots f

ully c

ount

er-c

lockw

ise. P

ush t

he kn

obs o

nto t

he sh

afts

so th

at th

e line

on th

e kno

bis

in lin

e wi

th th

e en

d of

the

circle

on

the

front

pan

el, a

s sho

wn in

Figu

re L

.If t

he kn

obs a

re lo

ose o

n the

shaft

s, ins

ert a

scre

wdriv

er in

to the

slot

and e

xpan

d the

slot

sligh

tly (s

ee F

igure

M).

Knob

sNu

t 7m

m

Nuts

7mm

Was

hers

8m

m

Was

her 8

mm

#6 x

3/8”

Thr

ead

cuttin

g sc

rews

#6 x

3/8”

Thr

ead

cuttin

g sc

rews

Figu

re I

Was

hers

9m

mNu

ts 8m

m

Figu

re J

4-40

x 1/

4” S

crew

Figu

re M

1010

01k

10k 10

0k

Figu

re K

WAV

E FO

RM C

OARS

E FR

EQ

Figu

re L

Fibe

r was

her

Page 7: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

Figu

re G

Diod

es h

ave

polar

ity.

Mou

nt th

emwi

th th

e ba

nd a

s sh

own

on th

e to

pleg

end.

-6-

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

R1 -

120W

5% 1

/4W

resis

tor

(bro

wn-re

d-br

own-

gold)

J28

- Jum

per w

ire(s

ee F

igure

F)

J6 -

Jum

per w

ire(s

ee F

igure

F)

D12

- 1N4

001

diode

D11

- 1N4

001

diode

(see

Figu

re G

)C1

4 - 1

00m

F 25

V lyt

icC1

7 - 1

00m

F 25

V lyt

ic(s

ee F

igure

E)

R2 -

120W

5% 1

/4W

resis

tor

(bro

wn-re

d-br

own-

gold)

J2 -

Jum

per w

ire(s

ee F

igure

F)

J3 -

Jum

per w

ire(s

ee F

igure

F)

Figu

re F

Cut a

piec

e of

the

#22

bare

wire

long

enou

gh s

o th

at 1

/4”

of w

irepa

sses

thro

ugh e

ach h

ole in

the P

Cbo

ard

afte

r the

wire

is fo

rmed

.

Band

Botto

m le

ft co

rner

of P

C bo

ard

Figu

re E

Thes

e cap

acito

rs ar

e pola

rized

. Be

sure

to m

ount

them

with

the “

+” le

adin

the c

orre

ct ho

le as

mar

ked o

n the

PC bo

ard.

Mou

nt th

e cap

acito

r lying

flat

on t

he P

C bo

ard

as s

hown

below

.

Warning

:If

the

capa

citor

is c

onne

cted

with

incor

rect

polar

ity, it

may

hea

t up

and

eithe

r lea

kor

caus

e th

e ca

pacit

or to

exp

lode.

(+)

(–)

Start H

ere

TEST

ING TH

E LO

GIC INDICA

TOR FU

NCTION

Ther

e ar

e eig

ht lo

gic in

dicat

ors

which

you

will

bech

eckin

g ou

t. Pu

t a w

ire to

the

5V p

ower

supp

ly an

dto

uch

the

“A” l

ogic

indica

tor t

est p

in. T

he “A

” LED

shou

ld lig

ht up

. Rem

ove t

he w

ire an

d the

LED

shou

ldgo

out

. Do

the

sam

e fo

r the

B, C

, D, E

, F, G

and

Hpin

s.

TEST

ING TH

E LO

GIC SW

ITCH

ESTh

ere

are

two

logic

switc

hes

and

four

con

dition

s to

be ch

ecke

d ou

t. Co

nnec

t a w

ire fr

om th

e “X

” tes

t pin

to th

e “A”

logic

indic

ator

test

pin. C

onne

ct an

othe

r wire

to th

e “X

” tes

t pin

to th

e “B

” tes

t pin.

Apply

pow

er a

nd n

ote

that

the

“A”

LED

indica

tor

shou

ld be

lit w

hen t

he lo

gic sw

itch i

s in t

he “X

” pos

ition

and t

he “B

” LED

shou

ld lig

ht an

d the

“A” L

ED no

t ligh

t.Ch

eck t

he “Y

” log

ic sw

itch

in th

e sa

me

man

ner.

TEST

ING TH

E DA

TA SWITCH

ESTh

ere

are

eight

dat

a sw

itche

s to

be

chec

ked.

The

outp

ut of

the s

witch

es ar

e 5V

or gr

ound

depe

nding

onth

e po

sition

. Con

nect

a wi

re to

the

SW1

test

pin a

ndth

e “A

” tes

t pin.

The

“A” L

ED sh

ould

light

whe

n th

esw

itch

is pla

ced

towa

rd th

e to

p of

the

case

. Rep

eat

the

sam

e te

st on

SW

2, S

W3,

SW

4, S

W5,

SW

6, S

W7

and

SW8.

rUn

plug

the un

it fro

m th

e AC ou

tlet.

-45-

TEST

ING TH

E DIGITA

L SE

CTION

PROB

LEM

POSS

IBLE

CAU

SENo

+5V

on

data

switc

h te

rmina

ls.1.

Mea

sure

for a

DC

volta

ge o

f +5V

acr

oss R

15.

A. C

heck

R15

, J19

, J23

and

J13.

B. S

witch

shor

ted

to g

roun

d.LE

D do

esn’t

light

1. C

heck

that

the

LED

is in

corre

ctly.

2. C

heck

the

input

and

out

put r

esist

ors.

3. M

easu

re in

put f

or +

5V a

nd o

utpu

t at g

roun

d.A.

Sho

rt to

gro

und

or d

efec

tive

IC.

LED

alway

s on

1. M

easu

re fo

r zer

o vo

ltage

volta

ge a

t inpu

t pin.

A. P

in sh

orte

d or

def

ectiv

e IC

2. M

easu

re vo

ltage

to o

utpu

t pin

for +

5V.

A. P

in sh

orte

d or

def

ectiv

e IC

.Lo

gic sw

itch

term

inal a

lway

s high

1. C

heck

that

inpu

t res

istor

is g

roun

ded.

A. B

ad g

roun

d co

nnec

tion

or sw

itch.

2. M

easu

re fo

r +5V

on

R16

- R19

.A.

Che

ck re

sisto

r.3.

Def

ectiv

e IC

.

DIGITA

L TR

OUBL

ESHO

OTING CH

ART

Page 8: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

VR1

- 2kW

pot

VR2

- 2kW

pot

(see

Figu

re H

)B1

- 4-

pin b

redb

loxB2

- 4-

pin b

redb

loxB3

- 4-

pin b

redb

loxB4

- 4-

pin b

redb

lox(s

ee F

igure

I)C1

2 - 1

00m

F 25

V lyt

ic(s

ee F

igure

E)

J26

- Jum

per w

ireJ7

- Ju

mpe

r wire

(see

Figu

re F

)

D15

- 1N4

001

diode

D14

- 1N4

001

diode

D13

- 1N4

001

diode

(see

Figu

re G

)C1

5 - 1

00m

F 25

V lyt

icC1

6 - 1

00m

F 25

V lyt

ic(s

ee F

igure

E)

J4 -

Jum

per w

ireJ1

- Ju

mpe

r wire

(see

Figu

re F

)R5

0 - 1

.2kW

1/2W

resis

tor

R51

- 1.2

kW1/

2W re

sisto

r(re

d-re

d-re

d-go

ld)(s

ee F

igure

H)

Botto

m le

ft co

rner

of P

C bo

ard

-7-

Figu

re I

Hold

the b

read

block

down

flush

to th

e PC

boa

rd fr

om th

e to

pleg

end

side

and

solde

r th

em

etal

pins i

n pla

ce. T

hen,

melt

the

plasti

c pin

s wi

th

your

solde

ring i

ron t

o hold

the p

lastic

block

s in

place

, as s

hown

.

Start H

ere

Plas

tic p

ins

Melt

pins

Figu

re H

1.VR

1 and

VR2

- Be

fore

insta

lling t

he po

tint

o the

PC

boar

d, be

nd th

e cen

ter le

adov

er to

the r

ight le

ad an

d sold

er. C

ut of

fth

e ex

cess

lead

s.

2.In

stall t

he po

ts flu

sh w

ith th

e PC 

boar

d.Th

e va

lue m

ay b

e m

arke

d on

the

back

of t

he p

ot.

Cut

off

the

exce

ss le

adlen

gth

afte

r sold

ering

.

3.Pl

ace

the

3/4”

tubin

g ov

er o

ne le

ad o

fth

e 1.

2kW

5% 1

/2W

(red

-red-

red-

gold)

resis

tor.

Posti

on th

e re

sisto

r as s

hown

.So

lder t

he re

sisto

r fro

m th

e bot

tom

hole

of C

10 t

o th

e rig

ht le

ad o

f VR

1 as

show

n.So

lder a

1.2

kW5%

1/2

W (r

ed-re

d-re

d-go

ld) re

sisto

r fro

m ju

mpe

r J1 t

o the

right

lead

of V

R2 a

s sho

wn.

Caution:

Mak

e su

rere

sisto

r lea

d do

es n

otsh

ort t

o jum

per w

ire.

VR1

VR2

Cut o

ff ta

b

R50R5

1

J1

Solde

r

-44-

VOLTAG

E AN

ALYS

IS OF DIGITA

L SE

CTION

Plug

the

powe

r sup

ply in

to a

117

volt p

ower

sour

ce. T

he value

s give

n be

low are ap

prox

imate.

From

ToSw

itch Po

sitio

nVo

ltsVo

lts Mea

sured

XGN

DIn

up

posit

ion5V

XGN

DIn

up

posit

ionles

s tha

n 1V

YGN

DIn

up

posit

ion5V

YGN

DIn

up

posit

ionles

s tha

n 1V

SW1

GND

In u

p po

sition

5VSW

2GN

DIn

up

posit

ion5V

SW3

GND

In u

p po

sition

5VSW

4GN

DIn

up

posit

ion5V

SW5

GND

In u

p po

sition

5VSW

6GN

DIn

up

posit

ion5V

SW7

GND

In u

p po

sition

5VSW

8GN

DIn

up

posit

ion5V

XGN

DIn

dow

n po

sition

less t

han

1VX

GND

In d

own

posit

ion5V

YGN

DIn

dow

n po

sition

less t

han

1VY

GND

In d

own

posit

ion5V

SW1

GND

In d

own

posit

ionles

s tha

n 1V

SW2

GND

In d

own

posit

ionles

s tha

n 1V

SW3

GND

In d

own

posit

ionles

s tha

n 1V

SW4

GND

In d

own

posit

ionles

s tha

n 1V

SW5

GND

In d

own

posit

ionles

s tha

n 1V

SW6

GND

In d

own

posit

ionles

s tha

n 1V

SW7

GND

In d

own

posit

ionles

s tha

n 1V

SW8

GND

In d

own

posit

ionles

s tha

n 1V

High

Pos

ition

s

SW1-

8X

XY

Y

LOGIC SW

DATA

SWITCH

ES

XX

YY

SW1

SW2

SW3

SW4

SW5

SW6

SW7

SW8

Page 9: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

Figu

re K

Diod

es ha

ve po

larity

. Mou

nt th

emwi

th th

e ban

d as s

hown

on th

e top

legen

d.

Figu

re J

Thes

e lyt

ics m

ust

be m

ount

edho

rizon

tal t

o th

e PC

boa

rd.

Bend

the

leads

at r

ight a

ngles

and

then

inser

t the

lead

s int

o th

e PC

boa

rdwi

th th

e ne

gativ

e (–

) lea

d an

d th

epo

sitive

(+)

lea

d in

the

corre

ctho

les a

s mar

ked

on th

e PC

 boa

rd.

Warning

:If

the

capa

citor

is

conn

ecte

d with

inco

rrect

polar

ity, it

may

hea

t up

and

eithe

r lea

k or

caus

e th

e ca

pacit

or to

exp

lode.

-8-

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

C2 -

1,00

0mF

35V

lytic

C4 -

1,00

0mF

35V

lytic

C1 -

1,00

0mF

35V

lytic

C5 -

1,00

0mF

35V

lytic

(see

Figu

re J)

Continue

L-br

acke

t(s

ee F

igure

B)

C7 -

.1m

F m

ylar (

104)

(see

Figu

re D

)J5

- Ju

mpe

r wire

*(s

ee F

igure

F)

C9 -

.1m

F (1

04) m

ylar

(see

Figu

re D

)L-

brac

ket

(see

Figu

re B

)

D1 -

1N40

01 d

iode

D2 -

1N40

01 d

iode

D3 -

1N40

01 d

iode

D4 -

1N40

01 d

iode

D5 -

1N40

01 d

iode

D6 -

1N40

01 d

iode

D7 -

1N40

01 d

iode

D8 -

1N40

01 d

iode

D9 -

1N40

01 d

iode

D10

- 1N4

001

diode

(see

Figu

re K

)

Botto

m ri

ght c

orne

r of P

C bo

ard

C3 -

2200

mF

lytic

Mou

nt o

n fo

il side

of P

C bo

ard

Note th

e po

larity

(see

Figu

re J)

Top

right

corn

er o

f PC

boar

d

* Lef

tove

r wire

will

be u

sed

in fu

ture

secti

ons.

Band

+ –

Start H

ere

Continue

Start H

ere

You

need

to in

stall

four

diod

es o

n th

e so

lder s

ide o

fth

e PC

boa

rd fo

r VR1

and

VR2

.

VR1 & VR

21.

Conn

ect th

e ano

de si

de of

one d

iode t

o the

cath

ode

side

of a

noth

er b

y tw

isting

the

leads

toge

ther

as

show

n in

Figu

re L

.2.

Cut t

he u

ntwi

sted

lead

to 1

/4” l

engt

h (s

ee F

igure

L).

3.Ta

ck s

older

the

diode

s ac

ross

the

left l

ead

and

the

cent

er h

ole o

f VR1

& V

R2 a

s sh

own

in Fi

gure

M.

Mak

e su

re th

e dio

des

are

facin

g in

the

corre

ctpo

sition

.4.

Solde

r the

twist

ed le

ads a

nd th

en cu

t off t

he ex

cess

leads

.

Figu

re L

VR2

Note diode

polarity.

VR1

Note diode

polarity.

Figu

re M

VR1

VR2

-43-

RESIST

ANCE

ANA

LYSIS OF

DIGITA

L SE

CTION

Plac

e th

e to

p pa

nel o

nto

the

unit.

Sta

tic te

sting

of t

he d

igita

l sec

tion

circu

its. D

o no

t plug

the

powe

r sup

ply in

toa 1

17 vo

lt pow

er so

urce

until

all of

the r

esist

ance

read

ings c

heck

out. T

he va

lues given

below

are a

pproximate.

From

ToSw

itch Po

sitio

nOh

ms

Resistan

ce Mea

sured

SW1

GND

In d

own

posit

ionles

s tha

n 1W

SW2

GND

In d

own

posit

ionles

s tha

n 1W

SW3

GND

In d

own

posit

ionles

s tha

n 1W

SW4

GND

In d

own

posit

ionles

s tha

n 1W

SW5

GND

In d

own

posit

ionles

s tha

n 1W

SW6

GND

In d

own

posit

ionles

s tha

n 1W

SW7

GND

In d

own

posit

ionles

s tha

n 1W

SW8

GND

In d

own

posit

ionles

s tha

n 1W

SW1

GND

In u

p po

sition

grea

ter t

han

3kW

SW2

GND

In u

p po

sition

grea

ter t

han

3kW

SW3

GND

In u

p po

sition

grea

ter t

han

3kW

SW4

GND

In u

p po

sition

grea

ter t

han

3kW

SW5

GND

In u

p po

sition

grea

ter t

han

3kW

SW6

GND

In u

p po

sition

grea

ter t

han

3kW

SW7

GND

In u

p po

sition

grea

ter t

han

3kW

SW8

GND

In u

p po

sition

grea

ter t

han

3kW

SW1

+5V

In u

p po

sition

less t

han

300W

SW2

+5V

In u

p po

sition

less t

han

300W

SW3

+5V

In u

p po

sition

less t

han

300W

SW4

+5V

In u

p po

sition

less t

han

300W

SW5

+5V

In u

p po

sition

less t

han

300W

SW6

+5V

In u

p po

sition

less t

han

300W

SW7

+5V

In u

p po

sition

less t

han

300W

SW8

+5V

In u

p po

sition

less t

han

300W

LOGIC SW

DATA

SWITCH

ES

XX

YY

SW1

SW2

SW3

SW4

SW5

SW6

SW7

SW8

Page 10: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-9-

MOU

NTING TH

E PC

BOA

RDNo

te:

The

holes

in th

e tw

o sid

e pa

nels

have

bee

n pu

nche

d dif

fere

ntly.

Be

sure

that

you

hav

e th

e co

rrect

side

pane

l whe

n m

ount

ing th

em to

the

PC b

oard

.IMPO

RTAN

T: Pus

h the P

C bo

ard up

as fa

r as p

ossib

le be

fore tigh

tening

the s

crew

s, as

show

n in Figure O

.r

Mou

nt th

e PC

boa

rd to

the

side

pane

ls wi

th fo

ur 4

-40

x 1/4

” scr

ews (

see

Figu

re N

). Do

not

tight

en th

e sc

rews

.

rPl

ace t

he to

p pan

el on

to th

e unit

and a

lign t

he co

mpo

nent

s with

the h

oles i

n the

top p

anel.

Pus

h the

PC 

boar

dup

unt

il the

com

pone

nts c

ome

thro

ugh

the

top

pane

l and

tight

en th

e sc

rews

.

Figu

re O

Figu

re N

4-40

x 1/

4” sc

rews

Top

legen

d sid

e of

PC

boar

d

Note:F

rom

the f

oil si

de of

the P

C bo

ard,

inspe

ct th

e ed

ges

to b

e su

re th

at th

ere

are

no co

mpo

nent

lead

s sho

rting

aga

inst

the

side

pane

ls.

Adjus

t the

PC 

boar

dhe

ight w

ith a

4-4

0 x

1/4”

scre

w4-

40 x

1/4”

scre

ws

Figu

re F

Mou

nt th

e sw

itch

onto

the

legen

d sid

eof

the

PC b

oard

as

show

n. F

lip th

ebo

ard

over

and

sold

er th

e pa

rt int

opla

ce.

Be s

ure

to k

eep

the

thre

eso

ldere

d se

ts of

lead

s se

para

te a

ssh

own.

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

INST

ALL CO

MPO

NENT

S TO

FRO

NT PAN

ELr

Inte

rlock

the

brea

dboa

rd to

the

botto

m e

dge

of th

e ex

isting

bre

adbo

ard

on th

e to

p pa

nel a

s sho

wn in

Figu

re H

.Fa

sten

the

brea

dboa

rds i

n pla

ce w

ith tw

o #4

x 1/

4” A

B bla

ck sc

rews

from

the

back

side

of t

he p

anel.

Use

the

holes

on

the

9426

bre

adbo

ard

as s

hown

in F

igure

G. C

AUTION

:Do

not

rem

ove

the

pape

r bac

king

from

the

brea

dboa

rd.

Use

thes

e ho

les

Figu

re G

Figu

re H

-42-

SW4

- Slid

e sw

itch

SW7

- Slid

e sw

itch

SW10

- Sl

ide sw

itch

SW5

- Slid

e sw

itch

SW8

- Slid

e sw

itch

SW11

- Sl

ide sw

itch

SW6

- Slid

e sw

itch

SW9

- Slid

e sw

itch

SW12

- Sl

ide sw

itch

(see

Figu

re F

)SW

13 -

Slide

switc

hStart H

ere

B7 -

4-pin

Bre

dblox

B11

- 4-p

in Br

edblo

xB1

5 - 4

-pin

Bred

blox

B8 -

4-pin

Bre

dblox

B12

- 4-p

in Br

edblo

xB1

6 - 4

-pin

Bred

blox

B9 -

4-pin

Bre

dblox

B13

- 4-p

in Br

edblo

xB1

7 - 4

-pin

Bred

blox

B10

- 4-p

in Br

edblo

xB1

4 - 4

-pin

Bred

blox

B18

- 4-p

in Br

edblo

x(s

ee F

igure

E)

Continue

Figu

re E

Hold

the

bred

blox

down

flus

h to

the

PCbo

ard f

rom

the t

op le

gend

side

and s

older

the

met

al pin

s int

o pla

ce. T

hen,

melt

the

plasti

c pins

with

your

solde

ring i

ron t

o hold

the

plasti

c bloc

ks in

plac

e as

show

n.

Note:

The

9418

and

the

powe

r stri

p 94

08 m

ake

up th

e 94

26 b

read

boar

d.

Switc

hLe

gend

side

of P

C bo

ard

Foil

side

ofPC

boa

rd Solde

r 9830

9426

Top

pane

l

Brea

dboa

rds

#4 x

1/4”

Scr

ews

Plas

tic P

ins

Melt

Pins

Page 11: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

MOU

NT COM

PONE

NTS TO

THE

SIDE PA

NELS

Mou

nt U

1, U

3 an

d U5

to th

e lef

t side

pan

el as

show

n in

Figu

re Q

. Ins

ert t

he p

ins o

f eac

h IC

into

the

holes

of t

hePC

boa

rd. T

hen,

with

the

hard

ware

sho

wn in

Figu

re P

, atta

ch e

ach

IC to

the

side

pane

l. So

lder t

he p

ins o

f the

ICs t

o th

e PC

boa

rd.

rU3

- LM

7805

rU1

- LM

317

rU5

- LM

337

-10-

6-23

Nut

IC

* Silic

one

grea

se

Side

pan

elIn

sulat

or w

ashe

r

6-32

x 5/

16” S

crew

* Tak

e a

small

am

ount

of s

ilicon

e gr

ease

from

the

pack

et a

nd a

pply

it with

a to

othp

ick o

nto

the

back

of

the

ICs.

Figu

re P

Mica

Figu

re Q

U3 7805

U1 LM31

7

U5 LM33

7

Left Side

-41-

Continue

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

Start H

ere

U9 -

IC so

cket

14-

pinU9

- 74

HC04

IC(s

ee F

igure

D)

Continue

D25

- LED

and

Spa

cer

(see

Figu

re B

)J2

7 - J

umpe

r Wire

(see

Figu

re C

)D2

4 - L

ED a

nd S

pace

r(s

ee F

igure

B)

D23

- LED

and

Spa

cer

(see

Figu

re B

)D2

2 - L

ED a

nd S

pace

r(s

ee F

igure

B)

D21

- LED

and

Spa

cer

(see

Figu

re B

)D2

0 - L

ED a

nd S

pace

r(s

ee F

igure

B)

D19

- LED

and

Spa

cer

(see

Figu

re B

)D1

8 - L

ED a

nd S

pace

r(s

ee F

igure

B)

R19

- 1kW

5% 1

/4W

Res

istor

(bro

wn-b

lack-

red-

gold)

R16

- 1kW

5% 1

/4W

Res

istor

(bro

wn-b

lack-

red-

gold)

R17

- 1kW

5% 1

/4W

Res

istor

(bro

wn-b

lack-

red-

gold)

U8 -

14-p

in IC

sock

etU8

- 74

HC04

IC(s

ee F

igure

D)

J19

- Jum

per W

ire(s

ee F

igure

C)

R15

- 220

W5%

1/4

WRe

sisto

r(re

d-re

d-br

own-

gold)

J22

- Jum

per W

ire(s

ee F

igure

C)

J21

- Jum

per W

ire(s

ee F

igure

C)

J20

- Jum

per W

ire(s

ee F

igure

C)

R18

- 1kW

5% 1

/4W

Res

istor

(bro

wn-b

lack-

red-

gold)

U7 -

IC so

cket

14-

pinU7

- 74

03 IC

(see

Figu

re D

)J2

4 - J

umpe

r Wire

(see

Figu

re C

)

Figu

re C

Cut a

piec

e of

bar

e wi

re lo

ngen

ough

so

that

1/4

” of

wire

pass

es th

roug

h ea

ch h

ole in

the

PC b

oard

afte

r the

wire

isfo

rmed

(p

rovid

ed

in th

ese

cond

pac

kage

).

Figu

re B

Mou

nt sp

acer

and

LED

flush

to th

e PC

boa

rd,

with

the

flat

side

of

the

LED

in th

e sa

me

direc

tion a

s the

mar

king o

n the

top l

egen

d side

of th

e PC

boa

rd.

Flat

Spac

er

Figu

re D

Inse

rt th

e IC

soc

ket i

nto

the

PCbo

ard

with

th

e no

tch

in th

edir

ectio

n sh

own

on th

e to

p leg

end.

Solde

r th

e IC

soc

ket i

nto

place

.In

sert

the

IC in

to th

e so

cket

with

the

notch

in th

e sa

me

direc

tion

asth

e no

tch o

n th

e so

cket

.

IC so

cket

IC

Notch

Top

legen

d sid

e of

PC

boar

d

Flat

Top

legen

d sid

e of

PC

boar

d

Jum

per w

ire

Page 12: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-11-

WIRE TH

E TR

ANSF

ORMER

TO TH

E PC

BOA

RDSo

lder t

he w

ires t

o th

e PC

boa

rd st

artin

g wi

th th

e to

p ye

llow

wire

as s

hown

in F

igure

U.

rYe

llow

wire

to p

oint F

on

the

PC b

oard

rBl

ue w

ire to

poin

t A o

n th

e PC

boa

rdr

Red

wire

to p

oint C

on

the

PC b

oard

rW

hite

wire

to p

oint E

on

the

PC b

oard

rRe

d wi

re to

poin

t D o

n th

e PC

boa

rdr

Blue

wire

to p

oint B

on

the

PC b

oard

rYe

llow

wire

to p

oint G

on

the

PC b

oard

Mou

nt U

2 an

d U4

to th

e rig

ht si

de p

anel

as sh

own

in Fi

gure

S.

Inse

rt th

e pins

of ea

ch IC

into

the h

oles i

n the

PC

boar

d. T

hen,

with

the h

ardw

are s

hown

in F

igure

R, a

ttach

each

IC to

the s

idepa

nel.

Solde

r the

pins

of t

he IC

s to

the

PC b

oard

.r

U4 -

LM79

12r

U2 -

LM78

12M

ount

the t

rans

form

er w

ith th

e blac

k wire

s as s

hown

in F

igure

S.

Use

the

two

8-32

x 3/

8” sc

rews

, #8

lockw

ashe

rs, a

nd 8

-32

nuts.

rTr

ansfo

rmer

mou

nted

Righ

t Side

Figu

re S

Note:

Mak

e su

re th

atth

e tra

nsfo

rmer

doe

sno

t tou

ch U

4.

#8 L

ockw

ashe

rs

#8-3

2 x 3

/8” S

crew

s

8-32

Nut

s

Tran

sform

er

Blac

k wire

s

U4 7912

U2 7812

Yello

w (F

)Bl

ue (A

)Re

d (C

)W

hite

(E)

Red

(D)

Blue

(B)

Yello

w (G

)

Figu

re U

Yello

w (G

)

Blue

(B)

Blue

(A)

Red

(D)

Whit

e (E

)

Yello

w (F

)

Red

(C)

6-23

Nut

IC

* Silic

one

Grea

se

Side

Pan

elIn

sulat

or W

ashe

r

6-32

x 5/

16” S

crew

* Tak

e a sm

all am

ount

of si

licon

e gre

ase f

rom

the p

acke

t and

apply

it wi

th a

toot

hpick

ont

o th

e ba

ck o

f the

ICs.

Mica

Figu

re R

Figu

re A

Mou

nt th

e con

necto

r as s

hown

and s

older

the p

insof

the

conn

ecto

r.

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

R43

- 120

W5%

1/4

W R

esist

or(b

rown

-red-

brow

n-go

ld)R4

2 - 1

20W

5% 1

/4W

Res

istor

(bro

wn-re

d-br

own-

gold)

S5 -

4-pin

conn

ecto

r(s

ee F

igure

A)

R41

- 120

W5%

1/4

W R

esist

or(b

rown

-red-

brow

n-go

ld)R4

0 - 1

20W

5% 1

/4W

Res

istor

(bro

wn-re

d-br

own-

gold)

R39

- 120

W5%

1/4

W R

esist

or(b

rown

-red-

brow

n-go

ld)R3

8 - 1

20W

5% 1

/4W

Res

istor

(bro

wn-re

d-br

own-

gold)

S4 -

4-pin

conn

ecto

r(s

ee F

igure

A)

R37

- 120

W5%

1/4

W R

esist

or(b

rown

-red-

brow

n-go

ld)R3

6 - 1

20W

5% 1

/4W

Res

istor

(bro

wn-re

d-br

own-

gold)

-40-

Start H

ere

PC B

oard

Page 13: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

HOW TO INST

ALL CO

NNEC

TORS

ONT

O TR

ANSF

ORMER

WIRES

A co

nnec

tor w

ill be

plac

ed o

nto

the

prim

ary w

ires o

f the

tran

sform

er. T

his w

ill all

ow yo

u to

rem

ove

the

top

pane

lfro

m th

e tra

iner.

Foll

ow th

e pr

oced

ures

belo

w.r

Cut a

six i

nch

lengt

h of

f of e

ach

black

prim

ary w

ire.

rSt

rip th

e ins

ulatio

n of

f of e

ach

end

of th

e six

inch

wire

s to

expo

se 1

/4” o

f bar

e wi

re.

rPl

ace

one

wire

ont

o th

e fe

male

pin

and

crim

p th

e ou

ter c

rimp

tabs

with

plie

rs o

ver t

he in

sulat

ion a

s sho

wn in

Figu

re 1

A.r

Crim

p th

e inn

er ta

bs w

ith p

liers

ont

o th

e ba

re w

ire a

s sho

wn in

Figu

re 1

B.r

Solde

r the

wire

to th

e pin

as s

hown

in F

igure

1C.

rCo

nnec

t the

oth

er fe

male

pin

to th

e ot

her w

ire u

sing

the

sam

e pr

oced

ures

abo

ve.

rIn

sert

the t

wo pi

n/wi

re as

sem

blies

into

the f

emale

hous

ing as

show

n in F

igure

2. P

ull on

the w

ire to

chec

k tha

tth

e pin

is ins

erte

d all t

he w

ay in

. It sh

ould

not p

ull ou

t of th

e hou

sing.

The

lock

ing ta

bs sh

ould

be be

nt ou

twar

dto

hold

the

pin in

the

hous

ing. Figu

re 1

Figu

re 2

Tran

sformer W

ires

rSt

rip th

e ins

ulatio

n of

f of e

ach

of th

e bla

ck p

rimar

y wire

s to

expo

se 1

/4” o

f bar

e wi

re.

rPl

ace

the

wire

ont

o th

e m

ale p

in an

d cr

imp

the

oute

r crim

p ta

bs w

ith p

liers

ove

r the

insu

lation

as

show

n in

Figu

re 3

A.r

Crim

p th

e inn

er ta

bs w

ith p

liers

ont

o th

e ba

re w

ire a

s sho

wn in

Figu

re 3

B.r

Solde

r the

wire

to th

e pin

as s

hown

in F

igure

3C.

rCo

nnec

t the

oth

er m

ale p

in to

the

othe

r prim

ary w

ire u

sing

the

sam

e pr

oced

ures

abo

ve.

rIn

sert

the

two

pin/w

ire a

ssem

blies

into

the

male

hou

sing

as sh

own

in Fi

gure

4. P

ull o

n th

e wi

re to

chec

k tha

tth

e pin

is in

serte

d all

the

way i

n. It

shou

ld no

t pull

out

of t

he h

ousin

g.r

Conn

ect t

he m

ale a

nd fe

male

hou

sing

as sh

own

in Fi

gure

5. N

ote

that

the

conn

ecto

r only

fits t

oget

her o

ne w

ay.

rTo

det

ach

the

conn

ecto

r, pu

sh d

own

on th

e en

d of

the

lock a

rm a

nd p

ull th

e tw

o ap

art.

Figu

re 3

Figu

re 4

Lock

ing Ta

b

Male Pin

Solde

rOu

ter

Crim

p Ta

bIn

ner

Crim

p Ta

b

Figu

re 5

-12-

Female Pin

Female Ho

using

AB

Lock

ing Ta

b

Solde

rOu

ter

Crim

p Ta

bIn

ner

Crim

p Ta

b

C

AB

C

Male Ho

using

Lock

Arm

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

Start H

ere

R34

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R35

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R33

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R32

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R28

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R27

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R30

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R31

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R29

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R26

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R20

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R22

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R24

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R21

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R23

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

R25

- 100

kW5%

1/4

W R

esist

or(b

rown

-blac

k-ye

llow-

gold)

-39-

Page 14: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

MOU

NT COM

PONE

NTS TO

PAN

ELr

Push

the

illum

inate

d sw

itch

into

the

hole

in th

e to

ppa

nel w

ith th

e lug

s as s

hown

in F

igure

V.

rIn

stall t

he fu

se h

older

with

the

side

lug in

the

posit

ionsh

own

in Fi

gure

V. F

aste

n th

e fu

se h

older

in p

lace

with

the

nut a

s sh

own

in Fi

gure

V. U

nscr

ew th

e ca

p an

dins

ert t

he fu

se in

to th

e ho

lder.

rTh

ere i

s a ra

ised a

rea o

n the

back

side

of th

e top

pane

l.Sc

rew

the s

pace

r to t

he ra

ised a

rea b

y ins

ertin

g a 4-

40x

1/4”

flat

hea

d sc

rew

into

the

hole

in th

e ra

ised

area

from

the

top

side

of th

e pa

nel (

see

Figu

re W

).r

Whe

n m

ount

ing th

e br

eadb

oard

, use

the

holes

sho

wnin

Figu

re X

. Mou

nt th

e br

eadb

oard

with

two

#4 x

1/4

”AB

blac

k scr

ews f

rom

the

back

side

of t

he to

p pa

nel a

ssh

own

in Fi

gure

W. T

he n

egat

ive (b

lue) s

tripe

sho

uldbe

on

top

and

the

num

bers

read

ing fr

om le

ft to

righ

tsh

ould

start

with

num

ber 1

(see

Figu

re Y

). CA

UTION:

Do not re

mov

e the pa

per b

acking

from

the ba

ck of

the

brea

dboa

rds.

Do n

ot o

ver-t

ighte

n th

e bla

cksc

rews

.

Figu

re X

-13-

Spac

er

4-40

x 1/

4”Fl

at h

ead

scre

w

Top

pane

l

Brea

dboa

rd

#4 x

1/4”

AB

scre

ws

Figu

re W

ae bcdfj ghi1

5

10

Figu

re Y

Back

Side - L

ower

Righ

t Corne

r

Figu

re V

Side

lug

Illum

inate

d sw

itch

Top

pane

l

Plas

tic w

ashe

r

Fuse

hold

er

Nut

-38-

USER

S DE

SCRIPT

ION OF

FRO

NT PAN

EL

1.Ou

tput Te

rminals

- For

all f

uncti

ons a

s sta

ted.

4 p

ins p

er b

lock.

2.Tw

o Lo

gic Sw

itche

s- T

hese

are

no

boun

ce lo

gic sw

itche

s. Gi

ve o

ne si

gnal

state

chan

ge p

er m

ovem

ent o

fsw

itch.

3.Inpu

t Terminals for L

ogic In

dica

tor L

EDs

- “A”

inpu

t cor

resp

onds

with

“A” l

amp,

etc.

4.Lo

gic Indictators

- Eigh

t LED

s.5.

Eigh

t Data Sw

itche

s- L

ets o

utpu

t of 5

V or

0V

depe

nding

on

posit

ion.

6.Ou

tput Te

rminal

- For

all f

uncti

ons a

s sta

ted.

4 p

ins p

er b

lock.

7.Brea

dboa

rd- O

ne b

read

boar

d co

ntain

ing 7

30 tie

poin

ts.

12

3 4 5 6 7

Page 15: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

XK-700

DIGITA

L KIT (DG-70

0-D) PAR

TS LIST

RESIST

ORS

Qty.

Symbo

lVa

lue

Color C

ode

Part #

r8

R36

- R43

120W

5% 1

/4W

brow

n-re

d-br

own-

gold

1312

00r

1R1

522

0W5%

1/4

Wre

d-re

d-br

own-

gold

1322

00r

4R1

6 - R

191kW

5% 1

/4W

brow

n-bla

ck-re

d-go

ld14

1000

r16

R20

- R35

100kW

5% 1

/4W

brow

n-bla

ck-y

ellow

-gold

1610

00

SEMICON

DUCT

ORS

Qty.

Symbo

lVa

lue

Desc

riptio

nPa

rt #

r1

U7SN

7403

Inte

grat

ed ci

rcuit

(IC)

3374

03r

8D1

8 - D

25Lig

ht e

mitti

ng d

iode

(LED

), re

d35

0002

r2

U8, U

974

HC04

Inte

grat

ed ci

rcuit

(IC)

39HC

04

MISCE

LLAN

EOUS

Qty.

Symbo

lDe

scrip

tion

Part #

r10

SW4

- SW

13Sl

ide sw

itch

SPDT

5410

09r

2S4

, S5

Conn

ecto

r 4-p

in59

1042

r8

Spac

er 1

/4” #

862

4124

r2

Scre

w64

2430

r3

U7 -

U9So

cket

IC 1

4-Pi

n66

4014

r12

B7 -

B18

Brea

dboa

rd66

5204

r1

Bred

blox

9942

6

INTR

ODUC

TION

The

Digit

al Se

ction

is th

e fo

urth

pac

kage

of t

he X

K-70

0K k

it th

at y

ou a

re b

uildin

g. T

he D

igita

l Sec

tion

of y

our

traine

r con

tains

all o

f the

nec

essa

ry fu

nctio

ns to

do

your

digi

tal d

esign

s. Th

ey co

nsist

of a

cloc

k gen

erat

or, t

wono

bou

nce

logic

switc

hes,

8 LE

D ind

icato

r lam

ps a

nd 8

dat

a sw

itche

s. W

e ha

ve a

lso a

dded

a 7

30 ti

e po

intBr

eadb

lox to

your

alre

ady e

xistin

g 83

0 tie

poin

ts, g

iving

you

a to

tal o

f 156

0 tie

poin

ts to

han

dle co

mple

x circ

uitde

signs

.

SPEC

IFICAT

IONS

• Dat

a sw

itche

s, eig

ht D

PDT,

Hi 5

V, lo

w 0V

.• L

ogic

switc

hes,

two

no b

ounc

e wi

th co

mple

men

tary

out

put.

“On”

volta

ge le

vel 2

.8V

min.

, “Of

f” vo

ltage

leve

l 1V

max

.In

put im

peda

nce

100kW.

• Eigh

t LED

read

outs,

100

kWinp

ut im

peda

nce.

• Cloc

k fre

quen

cy, 1

Hz to

100

kHz i

n 5

steps

cont

inuou

sly va

riable

.• C

lock a

mpli

tude

, 5Vp

p sq

uare

wave

.• C

lock r

ise tim

e, b

ette

r tha

n 10

0 ns

ec.

• Bre

adbo

ard

730

tie p

oints.

DG-700

-D

-37-

WIRE SW

ITCH

AND

FUS

E HO

LDER

(see

Figure Z)

Line

Cord

rSl

ide th

e lin

e co

rd th

roug

h th

e fra

me

as sh

own.

rSp

read

the

thre

e lin

e co

rd w

ires a

part

6” fr

om th

e en

d.r

Mou

nt th

e so

lder l

ug to

the

side

pane

l usin

g a

6-32

x 5/

16” s

crew

and

6-3

2 nu

t.Fu

ser

Strip

the

insula

tion

off o

f bot

h en

ds o

f the

6” r

ed w

ire to

exp

ose

1/4”

of b

are

wire

. Pas

s th

e wi

re th

roug

h th

e1/

2” d

iamet

er sh

rink t

ubing

. Atta

ch o

ne e

nd to

the

side

lug o

n th

e fu

se h

older

and

then

solde

r int

o pla

ce.

rPa

ss th

e sm

ooth

edge

d line

cord

wire

thro

ugh t

he 1/

2” di

amet

er sh

rink t

ubing

and a

ttach

to th

e end

lug o

n the

fuse

hold

er, s

older

into

plac

e.r

Slide

the

shrin

k tub

ing o

ver t

he fu

se h

older

cove

ring

both

lugs

. Shr

ink th

e tu

bing

for a

snug

fit.

You

may

use

a hair

drye

r, hea

t gun

(at lo

west

settin

g or y

ou w

ill m

elt th

e tub

ing) o

r the

heat

emitti

ng fr

om yo

ur so

lderin

g iro

n(d

o no

t tou

ch th

e tu

bing

or th

e wi

res w

ith th

e iro

n).

Switc

hDi

scon

nect

the

conn

ecto

r for

the

trans

form

er.

rPa

ss th

e 6”

stri

p of

red

wire

(lea

ding

from

the

side

lug o

f the

fuse

hold

er),

the

(A) a

nd (B

) blac

k tra

nsfo

rmer

wire

, and

the

ribbe

d lin

e co

rd w

ire th

roug

h th

e 3/

4” d

iamet

er p

iece

of sh

rink t

ubing

.r

Cut t

he 2

” sec

tion

of 3

/16”

dia

met

er sh

rink t

ubin

g in

hal

f to

crea

te tw

o 1”

sect

ions

. Slid

e a

3/16

” dia

met

erpi

ece

of s

hrin

k tu

bing

ove

r the

loos

e en

d of

the

red

wire

. Atta

ch th

e re

d wi

re to

lug

1 on

the

switc

h an

dth

en s

olde

r int

o pl

ace.

rPa

ss th

e bla

ck tr

ansfo

rmer

wire

labe

led (B

) thr

ough

a 3

/16”

diam

eter

piec

e of

shr

ink tu

bing.

Atta

ch th

e wi

reto

lug

2 on

the

switc

h an

d th

en so

lder i

nto

place

.r

Slide

the

shrin

k tub

ing o

ver l

ug 1

and

lug

2 on

the

switc

h. S

hrink

the

tubin

g int

o pla

ce.

rSt

rip th

e ins

ulatio

n of

f of t

he b

lack t

rans

form

er w

ire (A

) and

the

ribbe

d ed

ged

line

cord

wire

to e

xpos

e 1/

2” o

fba

re w

ire. T

wist

the

two

bare

wire

s tog

ethe

r. Pa

ss th

e wi

res t

hrou

gh th

e 1/

4” d

iamet

er p

iece

of sh

rink t

ubing

.At

tach

the

wire

s to

lug 3

on

the

switc

h an

d so

lder i

nto

place

. Slid

e th

e tu

bing

over

the

lug. S

hrink

the

tubin

gint

o pla

ce.

rSl

ide th

e 3/

4” d

iamet

er sh

rink t

ubing

ove

r the

switc

h an

d sh

rink i

nto

place

.r

Reco

nnec

t the

conn

ecto

r for

the

trans

form

er.

-14-

Fuse

hold

er6-

32 N

ut

Side

lug

6” R

ed w

ire

1/2”

Dia.

shrin

k tub

ing3/

16” D

ia.sh

rink t

ubing

(B) B

lack

trans

form

er w

ire

Fem

ale co

nnec

tor

Smoo

th lin

eco

rd w

ire

Ribb

ed lin

e co

rd w

ire

Gree

n lin

eco

rd w

ire

Solde

r lug

3/4”

Dia.

shrin

k tub

ing1/

4” D

ia. sh

rink t

ubing

Switc

hFigu

re Z

Switc

h Pin-ou

t1

23

(A) B

lack

trans

form

er w

ire

6-32

x 5/

16”

Scre

w

Page 16: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-15-

RESIST

ANCE

ANA

LYSIS OF

POW

ER SUP

PLY

Stat

ic te

sting

of t

he p

ower

sup

ply c

ircuit

s. Do no

t plug the po

wer s

upply into th

e 12

0VAC

pow

er sup

ply

source

until all res

istanc

e read

ings

che

ck out. Th

e va

lues

given

below

are app

roximate.

See Figu

re AA for loc

ations

of tes

ting po

ints.

Resistan

ceFrom

ToCircuit

Ohms

Mea

sured

1Ri

ght S

ide P

anel

Earth

Gro

und

less t

han

1W2

3On

/Off

Switc

h, F

use

Infin

ite (S

W1

Off)

23

On/O

ff, F

use

7W(S

W1

On)

45

12V

Seco

ndar

y1.

5W6

75V

Sec

onda

ry1.

2W8

9Va

riable

Volt

age

1.6W

10GN

D 5-

pin co

nnec

tor

+12V

Reg

ulato

r Inp

utgr

eate

r tha

n 20

kW11

(com

)GN

D (VW

) (5-p

in conn

ector)

–12V

Reg

ulato

r Inp

utgr

eate

r tha

n 20

kW12

GND

(B1)

+5V

Regu

lator

Inpu

tgr

eate

r tha

n 20

kW13

GND

(B1)

+Var

iable

Regu

lator

Inpu

tgr

eate

r tha

n 20

kW14

(com

)GN

D (VW

) (5-p

in conn

ector)

–Var

iable

Regu

lator

Inpu

tgr

eate

r tha

n 20

kW25

(com

)GN

D (VW

) (5-p

in conn

ector)

Volta

ge A

DJ +

20V

Regu

lator

CCW

<1W

CW >1

.4kW

26GN

D (VW

) (5-p

in conn

ector)

Volta

ge A

DJ -2

0V R

egula

tor

grea

ter t

han

1.4kW

27GN

D (5

-pin

conn

ecto

r)+5

V Re

gulat

or G

NDles

s tha

n 1W

28GN

D (5

-pin

conn

ecto

r)+1

2V R

egula

tor G

NDles

s tha

n 1W

29GN

D (5

-pin

conn

ecto

r)–1

2V R

egula

tor G

NDles

s tha

n 1W

1015

+12V

Reg

ulato

r Inp

utles

s tha

n 1W

1116

–12V

Reg

ulato

r Inp

utles

s tha

n 1W

1217

+5V

Regu

lator

Inpu

tles

s tha

n 1W

1318

+Var

iable

Regu

lator

Inpu

tles

s tha

n 1W

1419

–Var

iable

Regu

lator

Inpu

tles

s tha

n 1W

2014

Volta

ge A

DJ +

20V

Regu

lator

CCW

1.2kW

CW 3.

3kW

20+2

0 (5

-pin

conn

ecto

r)+V

ariab

le Re

gulat

or O

utpu

tles

s tha

n 1W

2013

Volta

ge A

DJ –

20V

Regu

lator

CCW

1.2kW

CW 3.

3kW

21–2

0 (5

-pin

conn

ecto

r)–V

ariab

le Re

gulat

or O

utpu

tles

s tha

n 1W

22GN

D (5

-pin

conn

ecto

r)+5

V Re

gulat

or O

utpu

tgr

eate

r tha

n 5kW

22B4

+5V

Regu

lator

Out

put

less t

han

1W23

GND

(5-p

in co

nnec

tor)

+12V

Reg

ulato

r Out

put

grea

ter t

han

5kW

23B3

+12V

Reg

ulato

r Out

put

less t

han

1W24

GND

(5-p

in co

nnec

tor)

–12V

Reg

ulato

r Out

put

grea

ter t

han

5kW

24B2

–12V

Reg

ulato

r Out

put

less t

han

1W5

15VA

C (5-p

in con

necto

r righ

t)15

VAC

less t

han

1W4

15VA

C (5-p

in co

nnec

tor le

ft)15

VAC

less t

han

1W+3

0%

Not

e: m

eter

lead

pola

rity

C

CW -

Coun

ter C

lockw

ise

CW -

Cloc

kwise

VR

1 &

VR2 A

djustm

ent

20A

2ACO

MVW

VW COM

SCHE

MAT

IC DIAGR

AM - AN

ALOG

SEC

TION

-36-

Page 17: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-16-

Loca

tions

for T

estin

g Po

ints

•••

211926

•••

182025

•••

222717

5-pin

conn

ecto

r lef

t5-

pin co

nnec

tor +

20

5-pin

conn

ecto

r righ

t5-

pin co

nnec

tor –

20GN

D

Ground

•••

291624

•••

152823

9

87

6

5

4 10

1112

13

14

+20VPot

Figu

re AA

B1

LM-781

2LM

-791

2

LM-780

5LM

-317

LM-337

On te

st po

ints

4 - 1

4us

e th

e lea

ds o

f the

diode

s.

Plug

of li

ne co

rd 1

3

2

–20VPot

-35-

CIRC

UIT DE

SCRIPT

ION

The

func

tion

gene

rato

r fre

quen

cies

are

prod

uced

by

an X

R220

6int

egra

ted

circu

it. Th

is IC

is ca

pable

of p

rodu

cing

high

quali

ty sin

e,sq

uare

and

trian

gle w

avef

orm

s of

high

sta

bility

and

acc

urac

y. Th

eou

tput

wav

efor

m c

an b

e bo

th a

mpli

tude

and

freq

uenc

y m

odula

ted

by a

n ex

tern

al vo

ltage

. Figu

re P

sho

ws th

e blo

ck d

iagra

m o

f the

XR22

06 IC

.Th

e XR

2206

is c

ompr

ised

of f

our

func

tions

bloc

ks,

a vo

ltage

cont

rolle

d os

cillat

or (V

CO),

an a

nalog

mult

iplier

and

sine

shap

er, a

unity

gain

buf

fer a

mpli

fier,

and

a se

t of c

urre

nt sw

itche

s.Th

e VC

O ac

tuall

y pro

duce

s an

outp

ut fr

eque

ncy p

ropo

rtion

al to

an

input

curre

nt. A

cros

s pins

5 a

nd 6

, a tim

ing ca

pacit

or is

switc

hed

into

give

5 dif

fere

nt ra

nges

of fr

eque

ncies

via C

OARS

E FR

EQ sw

itch.

On p

in 7,

the

FINE

FRE

Q AD

J var

iable

resis

tor c

ontro

ls th

e ac

tual

frequ

ency

out

put.

Thes

e tw

o co

mpo

nent

s for

m th

e RC

time

cons

tant

s for

the

oscil

lator

freq

uenc

y.Th

e VC

O pr

oduc

es a

squa

re w

ave

signa

l. This

squa

re w

ave

is se

nt to

a sh

aper

and

conv

erte

d int

o a

sine

wave

.

QUIZ - AN

ALOG

SEC

TION

INST

RUCT

IONS

: Co

mple

te th

e fo

llowi

ng e

xam

inatio

n an

d ch

eck y

our a

nswe

rs ca

refu

lly.

1.Th

e an

alog

mult

iplier

is p

art o

f . .

.r

A. th

e vo

ltage

cont

rolle

d os

cillat

or.

rB.

unit

y gain

buf

fer a

mpli

fier.

rC.

four

func

tion

block

s.r

D. tim

ing ca

pacit

or ci

rcuit

.2.

Incr

easin

g th

e cu

rrent

of t

he V

CO w

ill ef

fect

the

. . .

rA.

am

plitu

de.

rB.

DC

offse

t.r

C. A

M m

odula

tion.

rD.

freq

uenc

y.3.

The

RC tim

e co

nsta

nt is

det

erm

ined

by .

. .r

A. p

ins 5

and

6.

rB.

volta

ge co

ntro

lled

oscil

lator

.r

C. p

in 7

and

a va

riable

resis

tor.

rD.

com

pone

nts o

n pin

s 5, 6

, and

7.

4.W

hat p

ins o

n th

e 22

06 IC

are

use

d to

chan

ge th

esin

e wa

ve to

a sa

w wa

ve?

rA.

5, 6

rB.

15,

16

rC.

13,

14

rD.

4, 1

25.

Adjus

ting

P4 fr

om +

12V

to –

12V

effe

cts .

. .r

A. si

ne w

ave

ampli

tude

.r

B. m

odula

tion.

rC.

freq

uenc

y sta

bility

.r

D. D

C of

fset.

6.Co

arse

freq

uenc

y is s

et b

y . .

.r

A. P

6.r

B. ca

pacit

or C

11 th

roug

h C1

5.r

C. C

21.

rD.

P1

and

SW9.

7.A

1 vo

lt DC

level

on th

e FM

inpu

t will

. . .

rA.

shift

the

frequ

ency

1kH

z.r

B. sh

ift th

e fre

quen

cy to

DC.

rC.

hav

e no

effe

ct.r

D. sh

ift th

e fre

quen

cy 1

MHz

.8.

The

squa

re w

ave

and

CLK

outp

ut a

re 1

80O

out

of p

hase

bec

ause

. . .

rA.

Q2

inver

ts th

e CL

K ou

tput

.r

B. Q

1 inv

erts

the

squa

re w

ave

outp

ut.

rC.

a n

egat

ive vo

ltage

is a

pplie

d to

P5.

rD.

pin

12 is

tied

to –

12V.

9.Cl

ipping

of

the

sine

wave

out

puts

can

beco

rrecte

d by

. . .

rA.

P5.

rB.

the

DC o

ffset

pot

.r

C. lo

werin

g th

e +5

V po

wer s

upply

.r

D. n

one

of th

e ab

ove.

10.T

he sy

nc o

utpu

t pro

duce

s . .

.r

A. a

sine

wav

e.r

B. a

saw

wave

.r

C. vo

ltage

spike

s.r

D. a

squa

re w

ave.

Func

tiona

l Block

Diagram

Figu

re P

116

215

314

413

512

611

710

89

Sym

met

ryAD

J.

Wav

efor

mAD

J.

Grou

nd

Sync

Outp

ut

Bypa

ss

FKS

Inpu

t

Timing

Resis

tor

Timing

Capa

citorV+

Mult

. Out

Sine

/Saw

Outp

ut

AM In

put

+1M

ultipl

ieran

dSi

neSh

aper

VCO

Curre

ntSw

itche

s

Answers:1. C; 2. D; 3. D; 4. C; 5. D; 6. B; 7. C; 8. A; 9. D; 10. D

Page 18: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

VOLTAG

E AN

ALYS

IS OF PO

WER

SUP

PLY

Proc

eed with th

e vo

ltage

ana

lysis on

ly if th

e resistan

ce re

adings

were sa

tisfactory.

Plac

e the

top pa

nel o

n the u

nit. If an

y cap

acito

rs ar

e ins

erted ba

ckwa

rds, th

e pan

el will sh

ield yo

u if they

explod

e.M

ake

sure

that

the

ON/O

FF s

witch

is in

the OF

Fpo

sition

. Plug

the

line

cord

into

the

120V

AC p

ower

sour

ce. T

urn

the

unit o

n an

d let

it sit

for a

few

minu

tes.

Turn

OFF

the

ON/O

FF sw

itch

and

rem

ove

the

top

pane

l,pla

cing

it alon

g th

e lef

t side

of t

he tr

ainer

. Tur

n ON

the

ON/O

FF sw

itch

and

mea

sure

the

volta

ge p

oint a

s list

edin

the

char

t belo

w. The

value

s give

n are ap

prox

imate.

See Figu

re AA for loc

ations

of the

testing po

ints.

From

ToCircuit

Volts

Volts

Mea

sured

15GN

D+1

2V R

egula

tor I

nput

+21V

B3GN

D+1

2V R

egula

tor O

utpu

t+1

2V16

GND

–12V

Reg

ulato

r Inp

ut–2

1VB2

GND

–12V

Reg

ulato

r Out

put

–12V

17GN

D+5

V Re

gulat

or In

put

+12.

5VB4

GND

+5V

Regu

lator

Out

put

+5V

18GN

D+2

0V R

egula

tor I

nput

+28V

+20

5-pin

conn

ecto

rGN

DVo

ltage

ADJ

+20

V Re

gulat

orCC

W 0

V C

W +

20V

+20

5-pin

conn

ecto

rGN

D+2

0V O

utpu

tCC

W +

1.25V

CW

+20

V19

GND

–20

Regu

lator

Inpu

t–2

8V–2

0 5-

pin co

nnec

tor

GND

Volta

ge A

DJ -2

0V R

egula

tor

CCW

0V

CW

–20

V–2

0 5-

pin co

nnec

tor

GND

–20V

Out

put

CCW

–1.

25V

CW

–20

V15

VAC

15VA

C30

VAC

30VA

C5-

pin5-

pinco

nnec

tor

conn

ecto

rlef

trig

ht+3

0%CC

W -

Coun

ter-C

lockw

ise C

W -

Cloc

kwise

rTu

rn unit o

ff.

-17-

FUSE

REP

LACE

MEN

T1.

Turn

the

traine

r off

and

unplu

g it f

rom

120

VAC

powe

r sou

rce.

2.Un

scre

w fu

se h

older

cap

and

rem

ove

fuse

.3.

Use on

ly a 1.25A

fuse

. Large

r fus

es or o

ther fu

se byp

ass will vo

id th

ewa

rranty of th

e tra

iner.

4.Pl

ace

the

new

fuse

into

the

fuse

hold

er ca

p an

d sc

rew

it bac

k int

o th

e ho

lder.

5.Pl

ug tr

ainer

into

120

VAC

powe

r sou

rce

and

turn

the

unit o

n.

Plac

e the top pa

nel o

n top of th

e un

it.

FINA

L AS

SEMBL

YIf yo

u are immed

iately going

to build th

e rem

aining

section, do no

t con

tinue

with

the ins

tructions

on this

page

, proce

ed to

pag

e 35

.r

Faste

n th

e fro

nt p

anel

inpla

ce w

ith f

our

#6 x

3/8

”th

read

cut

ting

scre

ws,

assh

own

in Fi

gure

K.

rFa

sten

the

PC b

oard

to th

esp

acer

on

the

front

pan

elwi

th a

fiber

was

her a

nd a

4-

40 x

1/4”

scre

w fro

m th

e fo

ilsid

e of

the

PC b

oard

, in th

eloc

ation

show

n in

Figu

re L

.

rFa

sten

the

pots

to th

e fro

ntpa

nel w

ith a

n 8m

m w

ashe

ran

d a 7m

m nu

t, as s

hown

inFi

gure

K.

rTu

rn th

e sh

afts

on th

e tw

osw

itche

s fu

lly

coun

ter-

clock

wise

. Pus

h th

e kn

obs

onto

the

shaf

ts so

that

the

line

on th

e kn

ob is

in li

newi

th th

e “S

quar

ewav

e” o

nth

e wa

vefo

rm c

ontro

l and

“10”

on

th

e Co

arse

Freq

uenc

y co

ntro

l (s

eeFi

gure

M).

If the

knob

s are

loos

e on t

hesh

afts,

inse

rt a

scre

wdriv

erint

o th

e slo

t and

exp

and

the

slot s

light

ly (s

ee F

igure

O).

rTu

rn th

e sha

fts on

the p

ots f

ully c

ount

er-c

lockw

ise. P

ush t

he kn

obs o

nto t

he sh

afts

so th

at th

e line

on th

e kno

bis

in lin

e wi

th th

e en

d of

the

circle

on

the

front

pan

el, a

s sho

wn in

Figu

re N

.If t

he kn

obs a

re lo

ose o

n the

shaf

ts, in

sert

a scr

ewdr

iver in

to th

e slot

and e

xpan

d the

slot

sligh

tly (s

ee F

igure

O).

-34-

Figu

re L

4-40

x 1/

4” S

crew

Figu

re O

1010

01k

10k 10

0k

Figu

re M

WAV

E FO

RM C

OARS

E FR

EQ

Figu

re N

AMPL

ITUD

E

Fibe

r was

her

Knob

sNu

t 7m

m

Nuts

7mm

Was

hers

8m

m

Was

her 8

mm

#6 x

3/8”

Thr

ead

cuttin

g sc

rews

#6 x

3/8”

Thr

ead

cuttin

g sc

rews

Figu

re K

Was

hers

9m

mNu

ts 8m

m

Page 19: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-18-

POWER

SUP

PLY TE

STING

PROB

LEM

POSS

IBLE

CAU

SESw

itch

does

n’t lig

ht.

1.Ch

eck f

use

and

line

cord

.Fu

se b

lows w

hen

the

unit i

s tur

ned

on.

1.Vo

ltage

sup

ply s

horte

d to

GND

. Us

e re

sista

nce

analy

sisch

art t

o fin

d sh

ort.

No o

r low

volta

ge a

t pos

itive

varia

ble1.

Mea

sure

for a

n AC

volta

ge o

f 18V

AC a

t ano

de o

f D7

& D9

.ou

tput

.A.

Tran

sform

er

and/

or

seco

ndar

y co

nnec

tion

to

PCbo

ard

defe

ctive

2.M

easu

re fo

r a D

C vo

ltage

of 2

8VDC

at p

in 3

of U

1 LM

317.

A.Di

odes

D7,

D9

in ba

ckwa

rds o

r def

ectiv

e, ch

eck

capa

citor

C1.

3.Se

t th

e vo

ltage

fo

r m

inim

um

and

mea

sure

pin

2

of U

1.A.

Volta

ge a

djusts

only

fro

m 7

.8 -

9.8

V R1

ope

n or

defe

ctive

.B.

Volta

ge 2

7V, c

heck

VR1

conn

ectio

ns.

No o

r low

volta

ge a

t pos

itive

varia

ble1.

Chec

k tha

t cap

acito

r C1

1000

mF

is ins

erte

d in

the

corre

ctou

tput

with

load

.po

larity

.2.

Chec

k ripp

le on

pin

3 of

U1.

8VP

-P M

ax.

A.Ca

pacit

or C

1, a

nd/o

r diod

es D

7, D

9 de

fecti

ve.

Plug

the

traine

r int

o a

120V

AC o

utlet

and

swi

tch to

the

“ON”

pos

ition

(the

powe

r swi

tch s

hould

ligh

t).W

ith a

digita

l volt

met

er, m

easu

re th

e volt

age o

utpu

tsat

the

powe

r blo

cks.

The

+12V

sho

uld m

easu

rebe

twee

n 11

.4 a

nd 1

2.6

volts

. The

5V

supp

ly sh

ould

read

bet

ween

4.7

5 an

d 5.

25 vo

lts. T

he –

12V

supp

lysh

ould

read

bet

ween

–11

.4 a

nd 1

2.6

volts

.Do

not sho

rt the 15

VAC ou

tput to

groun

d.Sh

ort t

he +

12V,

–12

V an

d +5

V su

pply

to g

roun

d.Th

ey s

hould

turn

off

and

reco

ver w

hen

the

shor

t is

rem

oved

. If y

ou h

ave

a 25

W10

wat

t res

istor

, plac

e it

acro

ss th

e ou

tput

term

inal (

2 wa

tt re

sisto

r will

work

,bu

t use

it on

ly fo

r a fe

w se

cond

s). T

he o

utpu

t of t

he

12V

supp

ly sh

ould

not c

hang

e m

ore

than

0.2

0 vo

lts.

Do th

e sa

me

on th

e 5V

sup

ply u

sing

a 10

W5

watt

resis

tor.

Again

, the

out

put s

hould

not

cha

nge

mor

eth

an 0

.20

volts

. In

mak

ing th

is te

st, th

e vo

ltmet

erlea

ds s

hould

be

clipp

ed to

the

term

inal d

irectl

y an

dno

to th

e loa

d lea

ds. T

his is

to p

reve

nt e

rrors

due

tovo

ltage

dro

p fro

m co

ntac

t res

istan

ce o

f the

load

.Ch

eck

the

varia

ble v

oltag

e su

pplie

s in

the

sam

em

anne

r. Set

the o

utpu

t volt

age b

etwe

en 10

-15 v

olts.

Plac

e th

e 25

W10

wat

t res

istor

acr

oss

the

outp

utte

rmina

l. The

volta

ge sh

ould

stay w

ithin

0.20

volts

ofth

e no

load

volta

ge.

TROU

BLES

HOOT

ING CH

ART

This

char

t lists

the

cond

ition

and

poss

ible

caus

es o

f sev

eral

malf

uncti

ons.

If a

parti

cular

par

t is m

entio

ned

as a

poss

ible

caus

e, ch

eck t

hat p

art t

o se

e if i

t was

insta

lled

corre

ctly.

Also

, che

ck it

and

the

parts

conn

ecte

d to

it fo

rgo

od so

lder c

onne

ction

s. No

te:

The

value

s give

n in

this

troub

lesho

oting

char

t are

an

appr

oxim

ation

.

-33-

5.Se

t VR8

fully

coun

ter-c

lockw

ise.

6.Ad

just t

he D

C OF

FSET

knob

unt

il the

met

er re

ads 0

volts

DC.

7.Se

t th

e m

eter

to

the

20 v

olts

AC r

ange

and

slow

ly tu

rn V

R8clo

ckwi

se u

ntil t

he m

eter

read

s 5.8

volts

AC.

Note:

Adjus

ting

the

DC o

ffset

will

affe

ct th

e VA

C re

ading

s.

TEST

ING TH

E TR

IANG

LE W

AVEF

ORM

1.Sw

itch

the

WAV

EFOR

M kn

ob to

its tr

iangle

wav

e se

tting.

2.W

ith th

e m

eter

set t

o th

e 20

volts

AC

rang

e, yo

u sh

ould

read

abo

ut6.

3 vo

lts A

C.

TEST

ING TH

E SQ

UARE

WAV

EFOR

M1.

Switc

h th

e W

AVEF

ORM

knob

to its

squa

re w

ave

settin

g.2.

Set y

our m

eter

to th

e 20

volts

AC

rang

e, yo

u sh

ould

now

read

abo

ut 1

2.5

volts

AC.

Turn th

e un

it off a

nd unp

lug it fro

m th

e AC ou

tlet.

TROU

BLES

HOOT

ING CH

ART

This

char

t lists

the

cond

ition

and

poss

ible

caus

es o

f sev

eral

malf

uncti

ons.

If a

parti

cular

par

t is m

entio

ned

as a

poss

ible

caus

e, ch

eck t

hat p

art t

o se

e if i

t was

insta

lled

corre

ctly.

Also

, che

ck it

and

the

parts

conn

ecte

d to

it fo

rgo

od so

lder c

onne

ction

s.

PROB

LEM

POSS

IBLE

CAU

SENo

wav

e fo

rm a

t FRE

Q1.

Che

ck vo

ltage

at p

ins 4

(+12

V) a

nd 1

2 (–

12V)

of U

6.2.

Che

ck fo

r wav

e fo

rms a

t pin

2 of

U6

and

pin 3

of U

10.

A. C

heck

R3-

4, R

7, R

13, C

18-2

2, C

24, S

W2-

3, V

R5 &

VR7

.3.

Mea

sure

volta

ge a

t pins

7 (+

12V)

and

4 (–

12V)

of U

10.

4. C

heck

R8,

R9,

R11

, R14

, R44

-48,

D16

, D17

, Q1

and

Q2.

No si

ne, t

riang

le or

low

ampli

tude

1. C

heck

U6

pin 2

for w

ave

form

.A.

Che

ck V

R8, v

oltag

e to

IC.

Saw

wave

in si

ne p

ositio

n1.

R5

wron

g va

lue.

Wav

e fo

rms c

lip to

p or

bot

tom

1. M

easu

re vo

ltage

at p

ins 7

(+12

V) a

nd 4

(–12

V).

2. A

djust

VR8.

3. C

heck

R7,

R9,

R11

, R14

, R44

-49,

D16

-17

and

Q2-3

.No

CLK

wav

e ou

tput

or l

ow a

mpli

tude

1. C

heck

pin

11 o

f U6

for s

quar

e wa

ve.

A. C

heck

Q2

shor

ted

to g

roun

d.B.

Che

ck R

10, R

12 a

nd Q

3.C.

Def

ectiv

e IC

.No

squa

re w

ave

or lo

w am

plitu

de1.

Che

ck p

in 11

of U

6 fo

r squ

are

wave

.(F

REQ

outp

ut)

A. C

heck

Q2

shor

ted

to g

roun

d.B.

Che

ck R

3, R

49, S

W3.

C. D

efec

tive

IC.

Outp

uts w

rong

freq

uenc

y1.

Che

ck C

18-2

2, C

24, R

13, S

W2

and

VR7.

DC o

ffset

not

wor

king

1. C

heck

volta

ge o

n VR

6 fo

r +12

V an

d –1

2V; c

heck

R8.

Trim

pot

adju

stmen

t

Page 20: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-19-

PROB

LEM

POSS

IBLE

CAU

SENo

volta

ge a

t neg

ative

varia

ble o

utpu

t.1.

Mea

sure

for a

n AC

volta

ge o

f 18V

AC a

t cat

hode

of D

8, D

10.

A.Tr

ansfo

rmer

and

/or s

econ

dary

conn

ectio

n to

PC

boar

dde

fecti

ve.

2. M

easu

re D

C vo

ltage

of –

28VD

C at

pin

2 of

U5

LM33

7.3.

Set

volta

ge fo

r mini

mum

and

mea

sure

pin

3 of

U5.

A.Vo

ltage

adju

sts o

nly fr

om –

7.8

to –

9.8V

R2

open

or

defe

ctive

.B.

Volta

ge –

27V,

chec

k VR2

conn

ectio

ns.

No o

r low

volta

ge a

t neg

ative

varia

ble1.

Che

ck to

see

if cap

acito

r C5

1000

mF

is ins

erte

d in

the

outp

ut w

ith lo

ad.

corre

ct po

larity

.2.

Che

ck ri

pple

on p

in 2

of U

5. 6

VP-P

max

.A.

Cap

acito

r C5

and/

or d

iodes

D8,

D10

def

ectiv

e.No

+12

V at

out

put.

1. M

easu

re a

n AC

volta

ge o

f 15V

AC a

t ano

de o

f D1,

D3.

A.Tr

ansfo

rmer

and

/or s

econ

dary

conn

ectio

n to

PC

boar

dde

fecti

ve.

2. M

easu

re fo

r a D

C vo

ltage

of 2

1VDC

at p

in 1

of U

2 LM

7812

.A.

Diod

es D

1, D

3 in

back

ward

s or d

efec

tive,

chec

kca

pacit

or C

1.3.

Mea

sure

for a

DC

volta

ge o

f 12V

DC o

n pin

3 o

f U2.

A. U

2 LM

7812

def

ectiv

e or

ope

n gr

ound

.No

+12

V at

out

put w

ith lo

ad.

1. C

heck

capa

citor

C2

1000

mF

is ins

erte

d in

the

corre

ctpo

larity

.2.

Che

ck ri

pple

on p

in 1

of U

2. 7

VP-P

Max

.A.

Capa

citor

C2

or d

iodes

D1,

D3

defe

ctive

.No

–12

V at

out

put.

1. M

easu

re a

n AC

volta

ge o

f 15V

AC a

t ano

de o

f D2,

D4.

A. T

rans

form

er a

nd/o

r sec

onda

ry co

nnec

tion

to P

C bo

ard

defe

ctive

.2.

Mea

sure

for a

DC

volta

ge o

f -21

VDC

at p

in 2

of U

4 LM

7912

.A.

Diod

es D

2, D

4 in

back

ward

s or d

efec

tive,

chec

kca

pacit

or C

4.3.

Mea

sure

for a

–12

VDC

volta

ge o

n pin

3 o

f U4.

A.U4

LM

7912

def

ectiv

e or

ope

n gr

ound

.No

–12

V at

out

put w

ith lo

ad.

1. C

heck

capa

citor

C4

is ins

erte

d in

the

corre

ct po

larity

.2.

Che

ck ri

pple

on p

in 2

of U

3. 7

VP-P

Max

.A.

Cap

acito

r C4

and/

or d

iodes

D1,

D3

defe

ctive

.No

+5V

DC a

t out

put

1. M

easu

re a

n AC

volta

ge o

f 9VA

C at

ano

de o

f D5,

D6.

A.Tr

ansfo

rmer

and

/or s

econ

dary

conn

ectio

n to

PC

boar

dde

fecti

ve.

2. M

easu

re fo

r a D

C vo

ltage

of 1

2VDC

at p

in 1

of U

3 LM

7805

.A.

Diod

es D

5, D

6 in

back

ward

s or d

efec

tive,

chec

kca

pacit

or C

3.3.

Mea

sure

for a

5VD

C vo

ltage

on

pin 3

of U

3 LM

7805

.A.

U3 L

M78

05 d

efec

tive

or o

pen

grou

nd.

No +

5VDC

at o

utpu

t with

load

.1.

Che

ck th

at ca

pacit

or C

3 is

inser

ted

in th

e co

rrect

polar

ity.

2. C

heck

ripp

le on

pin

1 of

U3.

4VP

-P M

ax.

A.Ca

pacit

or C

3 an

d/or

diod

es D

5, D

6 de

fecti

ve.

VOLTAG

E AN

ALYS

IS OF AN

ALOG

SEC

TION

Proc

eed w

ith th

e volt

age a

nalys

is on

ly if t

he re

sista

nce r

eadin

gs w

ere s

atisf

acto

ry. The

values

given

below

are

approx

imate.

The

follo

wing

mea

sure

men

ts wi

ll be

take

n fro

m th

e co

pper

side

of t

he P

C bo

ard.

Tur

n th

e un

it on

and

plac

e it

upsid

e do

wn.

See Figu

re J fo

r loc

ations

of the

testing po

ints.

From

ToCircuit

Volts

Volts

Mea

sured

Pin

4 (U

6)GN

D (B

1)U6

Vcc

+12V

Pin

12 (U

6)GN

D (B

1)U6

GND

–12V

Pin

7 (U

10)

GND

(B1)

U10

Vcc

+12V

Pin

4 (U

10)

GND

(B1)

U10

Vcc–

–12V

TEST

ING TH

E FU

NCTION

GEN

ERAT

ORNo

te:

Use

the

knob

s whe

n tu

rning

the

switc

hes.

TEST

ING TH

E SINE

WAV

E

1.Se

t you

r met

er to

the

200m

V DC

rang

e.

2.Co

nnec

t the

red

met

er le

ad to

the

4-pin

bre

adblo

ck m

arke

d FR

EQ a

nd th

e bla

ck le

ad w

ire to

the

4-pin

brea

dbloc

k mar

ked

GND.

3.Se

t the

WAV

EFOR

M kn

ob to

SIN

E, C

OARS

E FR

EQUE

NCY

knob

to 1

k and

the

FINE

ADJ

and

AM

PLIT

UDE

knob

s full

y cloc

kwise

.

4.Se

t the

DC

offse

t to

the

midd

le po

sition

. The

n, tu

rn o

n th

e tra

iner.

Turn unit right side up

. Figu

re J

-32-

1 2 3 4 5 6 7 810 9111213141516

1 2 3 4

8 7 6 5

U10

GND

U6

124

7

4

Page 21: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

Figu

re DD

FINA

L AS

SEMBL

YIf yo

u are immed

iately going

to build th

e rem

aining

sections

, do no

t con

tinue

with

the ins

tructions

on this

page

and

proce

ed to

pag

e 22

.

rFa

sten

the

front

pan

el in

place

with

fou

r #6

x 3

/8”

thre

ad c

uttin

g sc

rews

, as

show

n in

Figu

re B

B.

rFa

sten

the

PC b

oard

to th

esp

acer

on

the

front

pan

elwi

th a

fiber

was

her a

nd a

4-

40

x 1/

4”

scre

w (fr

omPo

wer

Supp

ly Se

ctio

n)fro

m th

e fo

il side

of t

he P

Cbo

ard,

in

th

e lo

catio

nsh

own

in Fi

gure

CC.

rFa

sten

the

pots

to th

e fro

ntpa

nel w

ith a

n 8m

m w

ashe

ran

d a 7m

m nu

t, as s

hown

inFi

gure

BB.

rTu

rn th

e sh

afts

on th

e tw

osw

itche

s fu

lly c

ount

er-c

lock-

wise

. Pus

h th

e kn

obs

onto

the sh

afts s

o tha

t the

line

onth

e kn

ob is

in li

ne w

ith th

een

d of

the c

ircle

on th

e fro

ntpa

nel (s

ee F

igure

DD)

. If th

ekn

ob is

loos

e on

the

shaf

t,ins

ert a

scr

ewdr

iver i

nto

the

slot

and

expa

nd t

he s

lotsli

ghtly

(see

Figu

re E

E).

-20-

Figu

re CC

4-40

x 1/

4” S

crew

Figu

re EE

Knob

sNu

ts 7m

m

Nuts

7mm

Was

hers

8m

m

Was

hers

8m

m

#6 x

3/8”

Thr

ead

Cuttin

g Sc

rews

#6 x

3/8”

Thr

ead

Cuttin

g Sc

rews

Figu

re BB

Fibe

r Was

her

RESIST

ANCE

ANA

LYSIS OF

ANA

LOG SE

CTION

Stat

ic te

sting

of t

he a

nalog

circ

uits.

Do not plug in th

e po

wer s

upply into 120

VAC po

wer s

ource un

til all

resistan

ce re

adings

che

ck out. T

he value

s give

n be

low are ap

prox

imated

.

SET SW

3 TO

SQU

ARE WAV

E(re

fer t

o to

p pa

nel)

From

ToCircuit

Ohms

Resistan

ce Mea

sured

Pin

11 (U

6)Pi

n 3

(U10

)Sq

uare

Wav

eVR

5 CC

W 1

2.3kW

Pin

11 (U

6)Pi

n 3

(U10

)Sq

uare

Wav

eVR

5 CW

6.7

kW

SET SW

3 TO

TRIAN

GLE WAV

E

From

ToCircuit

Ohms

Resistan

ce Mea

sured

Pin

2 (U

6)Pi

n 3

(U10

)Tr

iangle

Wav

eVR

5 CC

W 1

4.7kW

Pin

2 (U

6)Pi

n 3

(U10

)Tr

iangle

Wav

eVR

5 CW

4.7

kWPi

n 13

(U6)

Pin

14 (U

6)Tr

iangle

Wav

eGr

eate

r tha

n 1kW

SET SW

3 TO

SINE WAV

E

From

ToCircuit

Ohms

Resistan

ce Mea

sured

Pin

2 (U

6)Pi

n 3

(U10

)Si

ne W

ave

VR5

CCW

14.

7kW

Pin

2 (U

6)Pi

n 3

(U10

)Si

ne W

ave

VR5

CW 4

.7kW

Pin

13 (U

6)Pi

n 14

(U6)

Sine

Wav

e20

0WPi

n 3

(U6)

GND

(B1)

Mult

VR8

CCW

< 1

0WPi

n 3

(U6)

GND

(B1)

Mult

VR8

CW 1

00kW

Pin

4 (U

6)+1

2V (B

3)VC

CLe

ss th

an 3W

Pin

7 (U

6)–1

2V (B

2)Fi

ne F

req A

djVR

7 CC

W 1

08.2

kWPi

n 7

(U6)

–12V

(B2)

Fine

Fre

q Adj

VR7

CW 8

.2kW

Pin

12 (U

6)–1

2V (B

2)GN

DLe

ss th

an 3W

30%

CCW

- Co

unte

r-Cloc

kwise

CW

- Cl

ockw

ise

VR8

U10

U6

-31-

1 2 3 4

1 2 3 4

8 7 6 55 6 7 8

10 9111213141516

Page 22: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-21-

INST

ALL CO

MPL

ETED

UNIT INTO

CAS

Er

Plac

e th

e str

ain re

lief o

nto

the

line

cord

as s

hown

in F

igure

FF.

rSq

ueez

e the

two s

ectio

ns to

geth

er w

ith pl

iers a

s sho

wn in

Figu

re G

G. T

hen,

inse

rt th

e stra

in re

lief in

to th

e hole

.r

Lay t

he tr

ainer

insid

e of

the

case

as s

hown

in F

igure

HH.

rAl

ign th

e ho

les in

the

botto

m c

ase

with

thos

e in

the

traine

r and

sec

ure

it int

o pla

ce w

ith fo

ur #

6 x

1/2”

AB

scre

ws a

nd fo

ur #

6 wa

sher

as s

hown

in F

igure

II.

Figu

re HH

Figu

re II

Figu

re FF

Figu

re GG

#6 x

1/2”

AB

Scre

w#6

Was

her

Back

pan

elBa

ck pan

el

-30-

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

Start H

ere

J18

- Jum

per W

ire(s

ee F

igure

A)

R13

- 8.2

kW5%

1/4W

Res

istor

(gra

y-re

d-re

d-go

ld)J1

7 - J

umpe

r Wire

(see

Figu

re A

)C1

8 - .

001m

F (1

02) M

ylar

(see

Figu

re E

A)R6

- 12

kW5%

1/4

W R

esist

or(b

rown

-red-

oran

ge-g

old)

Figu

re H

Mou

nt d

own

flush

with

PC b

oard

. Th

e va

luem

ay b

e m

arke

d on

the

back

side

of p

ot.

Cut

off

exce

ss

lead

lengt

h af

ter s

older

ing.

Potentiometers

Switc

hes

Figu

re I

Mou

nt d

own

flush

with

PC

boar

d.No

te:

SW2

has 1

2 pin

s and

SW

3ha

s 16

pins.

VR6

- 100

kWPo

t(s

ee F

igure

H)

VR5

- 10kW

Pot

(see

Figu

re H

)VR

7 - 1

00kW

Pot

(see

Figu

re H

)SW

2 - S

W R

otar

y 12-

Pin

(see

Figu

re I)

SW3

- SW

Rot

ary 1

6-Pi

n(s

ee F

igure

I)

Continue

C21

- 1m

F 50

V El

ectro

lytic

(see

Figu

re D

)C2

2 - 1

0mF

25V

Elec

trolyt

ic(s

ee F

igure

D)

C20

- .1m

F (1

04) M

ylar

(see

Figu

re E

A)C1

9 - .

01m

F (1

03) M

ylar

(see

Figu

re E

A)

Cut o

ffta

b

Cut o

ffta

b

Page 23: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-22-

CIRC

UIT DE

SCRIPT

ION

The p

ower

supp

ly fe

atur

es tw

o var

iable

outp

ut vo

ltage

s and

thre

e fixe

d 12V

, –12

V an

d 5V

varia

ble ou

tput

volta

ges

are

0V to

20V

and

0 to

–20

V at

up

to 1

am

pere

max

imum

curre

nt. A

ll sup

plies

are

regu

lated

to b

ette

r tha

n 0.

2Vwh

en go

ing fr

om no

load

to fu

ll loa

d. V

aryin

g the

inpu

t AC

volta

ge fr

om 10

5 to 1

35V

will h

ave p

racti

cally

no ef

fect

on th

e ou

tput

volta

ges.

This

is be

caus

e of

the

spec

ially

desig

ned

ICs u

sed

in th

e XK

-700

Digi

tal/A

nalog

Tra

iner.

Seve

re o

verlo

ading

or e

ven

shor

ting

the

outp

ut ci

rcuit

s will

not d

amag

e th

e su

pplie

s. Sp

ecial

turn

-off

circu

its in

the

ICs s

ense

the

over

load

and

turn

off

the

outp

ut.

THE PO

SITIVE

0 TO 20

V PO

WER

SUP

PLY

Figu

re 1

show

s a si

mpli

fied c

ircuit

diag

ram

of th

e pos

itive s

upply

. It co

nsist

s of a

powe

r tra

nsfo

rmer

, a D

C re

ctifie

rsta

ge a

nd th

e re

gulat

or st

age.

TRAN

SFOR

MER

The t

rans

form

er T

1 ser

ves t

wo pu

rpos

es. F

irst, i

t red

uces

the 1

20VA

C inp

utto

17V

AC to

allo

w th

e pr

oper

volta

ge to

ent

er th

e re

ctifie

r sta

ges.

Seco

nd,

it iso

lates

the p

ower

supp

ly ou

tput

from

the 1

20VA

C lin

e. T

his pr

even

ts th

eus

er fr

om d

ange

rous

volta

ges s

hould

he

or sh

e be

stan

ding

in a

grou

nded

area

.

AC TO DC

CON

VERT

ERTh

e AC

to D

C co

nver

ter c

onsis

ts of

diod

es D

1, D

3 an

d ca

pacit

or C

1.Tr

ansfo

rmer

T1

has t

wo se

cond

ary w

inding

s whic

h ar

e 18

0 de

gree

s out

of

phas

e. T

he o

utpu

t at e

ach

wind

ing is

show

n in

Figu

re 2

A an

d 2B

.

Diod

es a

re s

emico

nduc

tor d

evice

s th

at a

llow

curre

nt to

flow

in o

nly o

nedir

ectio

n. T

he a

rrow

in Fi

gure

3 p

oints

to th

e dir

ectio

n th

at th

e cu

rrent

will

flow.

Only

whe

n the

tran

sform

er vo

ltage

is po

sitive

will

curre

nt flo

w th

roug

hth

e diod

es. F

igure

3 sh

ows t

he si

mple

st po

ssibl

e rec

tifier

circ

uit. T

his ci

rcuit

is kn

own

as a

half

-wav

e re

ctifie

r. He

re th

e dio

de co

nduc

ts on

ly ha

lf of t

hetim

e whe

n the

AC

wave

is po

sitive

as sh

own i

n Figu

re 2C

. Use

of th

is cir

cuit

is sim

ple b

ut in

effic

ient.

The

big g

ap b

etwe

en c

ycles

requ

ire m

uch

mor

efilt

ering

to o

btain

a sm

ooth

DC

volta

ge.

By th

e add

ition o

f a se

cond

diod

e and

tran

sform

er w

inding

we c

an fil

l in th

ega

p be

twee

n cy

cles

as s

hown

in F

igure

4. T

his c

ircuit

is c

alled

full-w

ave

recti

ficat

ion.

Each

diod

e co

nduc

ts wh

en th

e vo

ltage

is p

ositiv

e. B

y add

ingth

e tw

o ou

tput

s, th

e vo

ltage

pre

sent

ed to

cap

acito

r C1

is m

ore

com

plete

,th

us e

asier

to fi

lter,

as s

hown

in F

igure

2E.

Whe

n us

ed in

60

cycle

s AC

input

pow

er, t

he o

utpu

t of a

full w

ave

recti

fier w

ill be

120

cycle

s.

Capa

citor

C1

is us

ed to

stor

e th

e cu

rrent

char

ges,

thus

smoo

thing

the

DCvo

ltage

. The

larg

er th

e cap

acito

r, the

mor

e cur

rent

is st

ored

. In th

is de

sign,

1000

mF

capa

citor

s ar

e us

ed, w

hich

allow

s ab

out 5

volt

s AC

ripple

whe

non

e am

p is

draw

n.

Figu

re 1

Sim

plifie

d dia

gram

of p

ositiv

e po

wer s

upply

120V

AC

input

17VA

C28

VDC

0 - 2

0V

Regu

lated

outp

ut

Tran

sform

er12

0V to

17V

AC to

DC

conv

erte

rVo

ltage

regu

lator

Figu

re 2

Figu

re 3

Figu

re 4

Volta

ge W

aveform fo

r Sup

ply

A)Tr

ansfo

rmer

wind

ing A

B

B)Tr

ansfo

rmer

wind

ing B

C

C)Ou

tput

of

diode

D1.

D)Ou

tput

of

diode

D2.

E)To

tal o

f diod

esD1

& D

2.

20V

F)Ou

tput

of c

apac

itor C

1Ri

pple

depe

nds o

n loa

dcu

rrent

(exp

ande

d).

Half w

ave

recti

fier

Full w

ave

recti

fier

Figu

re G

Diod

es h

ave

polar

ity. M

ount

with

band

in th

e dir

ectio

n sh

own

on th

ePC

boa

rd.

Figu

re F

Hold

the

bred

blox d

own

flush

to th

e PC

boa

rd fr

om th

e to

p leg

end

side

and

solde

r the

met

al pin

s in

place

. The

n, m

elt th

e pla

stic p

ins w

ith yo

urso

lderin

g iro

n to

hold

the

bred

blox d

own

as sh

own.

Re-

tin th

e so

lder t

ipaf

terw

ards

.

Continue

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

Start H

ere

B6 -

4-pin

Bre

dblox

(see

Figu

re F

)D1

6 - 1

N414

8 Di

ode

(see

Figu

re G

)R1

4 - 1

00W

5% 1

/4W

Res

istor

(bro

wn-b

lack-

brow

n-go

ld)B5

- 4-

pin B

redb

lox(s

ee F

igure

F)

R12

- 1kW

5% 1

/4W

Res

istor

(bro

wn-b

lack-

red-

gold)

R44

- 100

W5%

1/4

W R

esist

or(b

rown

-blac

k-br

own-

gold)

D17

- 1N4

148

Diod

e( s

ee F

igure

 G)

J23

- Jum

per W

ire(s

ee F

igure

A)

R48

- 22kW

5% 1

/4W

Res

istor

(red-

red-

oran

ge-g

old)

Q1 -

2N39

04 T

rans

istor

(see

 Figu

re C

)R4

7 - 3

30W

5%1/4

W R

esist

or(o

rang

e-or

ange

-bro

wn-g

old)

R46

- 330

W5%

1/4

W R

esist

or(o

rang

e-or

ange

-bro

wn-g

old)

R45

- 22kW

5% 1

/4W

Res

istor

(red-

red-

oran

ge-g

old)

J16

- Jum

per W

ireJ1

5 - J

umpe

r Wire

J14

- Jum

per W

ire(s

ee F

igure

A)

Q2 -

2N39

06 T

rans

istor

(see

Figu

re C

)

Figu

re E

Mou

nt t

he t

rim p

ot t

o th

e PC

 boa

rd a

ssh

own

below

.

Figu

re EA

Bend

the

capa

citor

s at

a 4

5oan

gle b

efor

eso

lderin

g it t

o th

e PC

 boa

rd.

-29-

Band

Plas

tic P

ins

Melt

Pins

Page 24: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

In p

racti

ce, t

he c

urre

nt th

roug

h th

e dio

des

is no

t as

show

n in

Figu

re 2

C. B

ecau

se c

apac

itor C

1 ha

s a

char

ge a

fter t

he fir

st cy

cle, t

he d

iode

will n

ot co

nduc

tun

til th

e po

sitive

AC

volta

ge e

xcee

ds th

e po

sitive

char

ge in

the

capa

citor

. Figu

re 5

sho

ws a

bet

ter

pictu

re o

f wha

t the

cur

rent

flow

look

s lik

e as

sum

ingno

loss

in th

e dio

de. I

t tak

es a

few

cycle

s fo

r the

volta

ge to

build

up on

the c

apac

itor.

This

depe

nds o

nth

e re

sista

nce

of th

e wi

nding

and

the

diode

. Afte

r the

initia

l sta

rt-up

, the

re w

ill be

a c

harg

e an

d dis

char

geon

the

capa

citor

dep

endin

g on

the

curre

nt d

rawn

by

the

outp

ut l

oad.

Rem

embe

r, cu

rrent

only

flow

sth

roug

h th

e dio

de w

hen

the

anod

e is

mor

e po

sitive

than

the

cath

ode.

Thu

s, cu

rrent

will

flow

in sh

ort

burs

ts as

show

n in

Figu

re 5

.

The

DC lo

ad c

urre

nt m

ay b

e on

e am

pere

, but

the

peak

diod

e cu

rrent

may

be

thre

e tim

es t

hat.

Ther

efor

e, t

he d

iode

ratin

g m

ust

be s

uffic

ient

toha

ndle

the

peak

cur

rent

. The

1N4

001

has

a pe

akcu

rrent

ratin

g of

10

amps

.

REGU

LATO

R CIRC

UIT

The r

egula

tor c

ircuit

in th

e pow

er su

pply

cons

ists o

f aLM

-317

int

egra

ted

circu

it. T

his I

C is

spec

ially

desig

ned

to p

erfo

rm th

e re

gulat

ion fu

nctio

n. F

igure

6sh

ows a

sim

plifie

d circ

uit of

how

the L

M-3

17 IC

wor

ks.

Tran

sisto

rs Q

1 an

d Q2

form

a c

ircuit

kno

wn a

s a

diffe

rent

ial a

mpli

fier.

The

base

of t

rans

istor

Q1

isco

nnec

ted

to a

sta

ble 1

.5V

refe

renc

e vo

ltage

. The

base

of Q

2 is c

onne

cted t

o the

regu

lator

outp

ut ci

rcuit

thro

ugh

a vo

ltage

divi

der n

etwo

rk. T

he c

ollec

tor o

ftra

nsist

or Q

2 is

conn

ecte

d to

a c

urre

nt s

ourc

e. T

his

basic

ally

is a

PNP

trans

istor

bias

ed to

dra

w ab

out

1mA

of cu

rrent

. Tra

nsist

or Q

2 see

s the

curre

nt so

urce

as a

ver

y hig

h re

sisto

r of a

bout

1 m

eg o

hms.

Thus

,th

e ga

in of

tran

sisto

r Q2

is ex

trem

ely h

igh.

Tran

sisto

r Q5

is ca

lled

the

pass

tran

sisto

r. It

cont

rols

the c

urre

nt re

achin

g the

outp

ut. T

rans

istor

Q3 a

nd Q

4ar

e em

itter

follo

wers

. The

ir fu

nctio

n is

to ra

ise th

eim

peda

nce o

f the p

ass t

rans

istor

. Not

e tha

t tran

sisto

rsQ2

, Q3,

Q4,

Q5

and

resis

tor R

1 fo

rm a

clos

ed lo

op.

Also

, not

e th

at th

e fe

edba

ck to

the

base

of Q

2 is

nega

tive,

that

is, w

hen

the

base

of Q

2 go

es p

ositiv

e,th

e ou

tput

at e

mitte

r Q5

goes

neg

ative

. Now

if th

e 2

volt

outp

ut v

oltag

e go

es d

own

beca

use

of c

urre

ntdr

ain a

t the

out

put,

the

base

of Q

2 wi

ll dro

p, fo

rcing

the

colle

ctor v

oltag

e to

go

highe

r. Th

is wi

ll brin

g th

eou

tput

volta

ge b

ack t

o 2

volts

. This

is th

e ba

sis o

f all

nega

tive

feed

back

regu

lator

s.

Anot

her f

eatu

re o

f the

LM

-317

regu

lator

if to

pro

tect

the

IC a

gains

t ove

rload

and

out

put s

horts

. If t

he IC

isov

erloa

ded,

the

juncti

on o

f an

over

load

trans

istor

will

over

heat

. A tr

ansis

tor w

ill se

nse

this

over

heat

ing a

ndsh

ut d

own

trans

istor

Q5.

The

LM-3

17 IC

is b

asica

lly a

1.2

5 vo

lt re

gulat

or. T

obe

able

to v

ary

the

outp

ut fr

om 0

V to

20V

, you

sta

ckth

e IC

on

the

nega

tive

1.25

VDC

volta

ge a

s sho

wn in

Figu

re 7

. Whe

n VR

1 eq

uals

0, th

e ou

tput

volta

ge is

0vo

lts.

THE NE

GATIVE

VOL

TAGE

REG

ULAT

OR

The

theo

ry o

f the

neg

ative

regu

lator

is th

e sa

me

asth

e pre

vious

ly dis

cuss

ed po

sitive

regu

lator

. The

basic

diffe

renc

e is

that

diod

es D

1 an

d D3

are

reve

rsed

,pr

oduc

ing a

neg

ative

volt

age

acro

ss c

apac

itor C

1.Th

e LM

-317

IC is

desig

ned t

o ope

rate

from

a ne

gativ

esu

pply.

-23-

Figu

re 5

Figu

re 6

Figu

re 7

A)Tr

ansfo

rmer

wind

ing

B)Vo

ltage

C1

C)Cu

rrent

thro

ugh

diode

s

20V

Peak

20V

2VOu

tput

R1 R2

Divid

er

Q1

Q2

1.5V

Q3Q4

Q5Cu

rrent

sour

ceeq

ualiz

edto

1 m

eg.

0V -

20V

R1 VR1

LM-3

17

–DC

Figu

re B

Inse

rt th

e IC

sock

et in

to th

e PC

boar

d wi

th t

he n

otch

in

the

direc

tion

show

n on

the

top

legen

d.

Solde

r the

IC s

ocke

tint

o pla

ce. I

nser

t the

IC in

to th

eso

cket

with

the

not

ch i

n th

esa

me

direc

tion

as th

e no

tch o

nth

e so

cket

.

Figu

re C

Mou

nt th

e tra

nsist

orwi

th th

e fla

t side

inth

e dir

ectio

n sh

own

on th

e to

p leg

end.

Continue

INST

ALL CO

MPO

NENT

S TO

PC BO

ARD

Start H

ere

J9 -

Jum

per W

ire(s

ee F

igure

A)

C25

- .00

22m

F (2

22) D

iscap

J10

- Jum

per W

ireJ2

5 - J

umpe

r Wire

(see

Figu

re A

)VR

8 - 1

00kW

Trim

Pot

(see

Figu

re E

)C2

6 - 2

2pF

(22)

Disc

apC2

3 - 1

00pF

(101

) Disc

apJ1

1 - J

umpe

r Wire

J12

- Jum

per W

ireJ1

3 - J

umpe

r Wire

(see

Figu

re A

)U1

0 - I

C so

cket

8-p

inU1

0 - L

M31

8 IC

(see

Figu

re B

)R8

- 51

kW5%

1/4

W R

esist

or(g

reen

-bro

wn-o

rang

e-go

ld)R1

1 - 4

.7kW

5%1/

4W R

esist

or(y

ellow

-viol

et-re

d-go

ld)C2

7 - 5

pF (5

) Disc

ap

R5 -

200W

5% 1

/4W

Res

istor

(red-

black

-bro

wn-g

old)

J8 -

Jum

per W

ire(s

ee F

igure

A)

R3 -

6.8kW

5% 1

/4W

Res

istor

(blue

-gra

y-re

d-go

ld)R4

- 22

kW5%

1/4

W R

esist

or(re

d-re

d-or

ange

-gold

)U6

- IC

sock

et 1

6-pin

U6 -

XR22

06 IC

(see

Figu

re B

)R4

9 - 2

kW5%

1/4

W R

esist

or(re

d-bla

ck-re

d-go

ld)Q3

- 2N

3904

Tra

nsist

or(s

ee F

igure

C)

R10

- 10kW

5% 1

/4W

Res

istor

(bro

wn-b

lack-

oran

ge-g

old)

C24

- 10m

F 25

V Ly

tic(s

ee F

igure

D)

R7 -

4.7kW

5% 1

/4W

Res

istor

(yell

ow-v

iolet

-red-

gold)

R9 -

47kW

5% 1

/4W

Res

istor

(yell

ow-v

iolet

-ora

nge-

gold)

Figu

re A

Cut a

piec

e of

bar

e wi

re lo

ngen

ough

so

that

1/4

” of

wire

pass

es th

roug

h ea

ch h

ole in

the

PC b

oard

afte

r the

wire

isfo

rmed

(p

rovid

ed

in th

ese

cond

pac

kage

).So

cketIC

Notch

-28-

Figu

re D

Elec

trolyt

ics h

ave

a po

larity

mar

king

on t

hem

indic

ating

the n

egat

ive (–

) lead

. The

PC

boar

d is

mar

ked

to s

how

the

lead

posit

ions.

Mou

nt t

he c

apac

itors

hor

i-zo

ntal

to th

e PC

boar

d.Be

nd th

e lea

dsat

righ

t an

gles

and

then

inse

rtth

e lea

ds

into

the

PC b

oard

.

Flat

(+)

(–)

Polar

ity m

ark

Page 25: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-24-

SCHE

MAT

IC DIAGR

AM - PO

WER

SUP

PLY SE

CTION

-27-

INTR

ODUC

TION

- AN

ALOG

SEC

TION

USER

S DE

SCRIPT

ION OF

FRO

NT PAN

EL CON

TROL

S

12

34

5

67

SPEC

IFICAT

IONS

Wav

efor

ms -

Sine

, squ

are,

trian

gle a

nd co

mple

men

tary

squa

re.

Freq

uenc

y - 1

Hz to

100

kHz i

n 5

steps

cont

inuou

sly va

riable

.Fi

ne fr

eque

ncy a

djust

- 10:

1 ap

prox

imat

e.Am

plitu

de va

riable

0-1

5 Vp

p.Ou

tput

impe

danc

e 33

0 oh

ms:

shor

t pro

tecte

d.DC

offs

et ch

ange

10V

from

zero

cros

sing.

The

Analo

g Se

ction

of

your

tra

iner

cont

ains

aco

mple

te fu

nctio

n ge

nera

tor c

apab

le of

pro

ducin

gsin

e, sq

uare

, and

trian

gle w

avef

orm

s. Th

e fre

quen

cyof

this

gene

rato

r can

be

cont

inuou

sly v

aried

from

1he

rtz to

ove

r 100

,000

her

tz in

five

steps

: 10,

100

, 1k,

10k,

and

100k

. A

fine

frequ

ency

con

trol

mak

esse

lectio

n of

any

freq

uenc

y in

betw

een

easy

. The

ampli

tude

of t

he w

avef

orm

s ar

e ad

justa

ble fr

om 0

-15

Vpp.

A w

avef

orm

of f

uncti

on g

ener

ator

cap

able

of

prod

ucing

sine

, squ

are a

nd tr

iangle

wav

efor

m ou

tput

sha

s a

wide

ran

ge o

f ap

plica

tions

in

electr

ical

mea

sure

men

ts an

d lab

orat

ory

instru

men

tatio

n. T

hisco

mple

te fu

nctio

n ge

nera

tor s

yste

m is

suit

able

for

expe

rimen

tatio

n and

appli

catio

ns by

the s

tude

nt. T

heen

tire f

uncti

on ge

nera

tor is

com

prise

d of a

sing

le XR

-22

06 m

onoli

thic

IC a

nd a

limite

d nu

mbe

r of p

assiv

ecir

cuit c

ompo

nent

s.

1.WAV

EFOR

M- S

elects

squ

are,

trian

gle o

r sine

wave

form

at t

he F

REQ

outp

ut.

2.CO

URSE

FRE

QUEN

CY- S

elects

five

rang

es o

ffre

quen

cies 1

0, 1

00, 1

k, 10

k and

100

k her

tz.3.

FINE

FRE

QUEN

CY- A

llows

eas

y se

lectio

n of

desir

ed f

requ

ency

acc

ordin

g to

the

fre

quen

cyra

nge.

4.AM

PLITUD

E-

Cont

rols

the

ampli

tude

of

the

FREQ

out

put s

ignal

from

0-1

5Vpp

.5.

DC OFF

SET

- Con

trols

the

DC le

vel o

f the

FRE

Qou

tput

sign

al. T

he D

C lev

el m

ay be

varie

d 10 v

olts

from

zero

leve

l.

6.CL

K- A

4-pin

outp

ut bl

ock f

or fu

nctio

n gen

erat

or’s

squa

re w

ave.

The

am

plitu

de o

f the

sign

al is

5Vpp

and

frequ

ency

is

depe

nden

t on

WAV

EFOR

Mse

lectio

n.7.

FREQ

- A

4-pin

ou

tput

blo

ck

for

func

tion

gene

rato

r’s s

ignals

, ou

tput

is

depe

nden

t on

WAV

EFOR

M s

electi

on a

nd fr

eque

ncy

is se

t by

COUR

SE F

REQ

cont

rol.

The

ampli

tude

of t

heou

tput

is va

riable

from

0-1

5Vpp

.

Page 26: ENC As ROMP LO T A E s T PO CL TL E e DTAE M I m NYT G APE ...

-25-

QUIZ - PO

WER

SUP

PLY SE

CTION

INST

RUCT

IONS

- Co

mple

te th

e fo

llowi

ng e

xam

inatio

n an

d ch

eck y

our a

nswe

rs ca

refu

lly.

1.AC

volta

ge is

supp

lied

to th

e re

ctifie

r sta

ges b

y the

. . .

rA.

step

-up

trans

form

er.

rB.

step

-dow

n tra

nsfo

rmer

.r

C. 1

to 1

tran

sform

er.

rD.

AC

to D

C tra

nsfo

rmer

.2.

The

seco

ndar

y wind

ings o

f the

tran

sform

er a

re .

. .r

A. 9

0Oou

t of p

hase

.r

B. 1

80O

out o

f pha

se.

rC.

270

Oou

t of p

hase

.r

D. 3

20O

out o

f pha

se.

3.Di

odes

allo

w cu

rrent

to flo

w . .

.r

A. w

hen

the

anod

e is

mor

e ne

gativ

e th

an th

e ca

thod

e.r

B. w

hen

the

cath

ode

is m

ore

posit

ive th

an th

e an

ode.

rC.

in o

ne d

irecti

on.

rD.

whe

n a

nega

tive

or p

ositiv

e vo

ltage

is o

n th

e an

ode.

4.W

hat c

ircuit

is m

ore

effic

ient f

or re

ctifyi

ng A

C to

DC?

rA.

Har

tley o

scilla

tor.

rB.

Half

-wav

e.r

C. S

chm

itt tri

gger

.r

D. F

ull w

ave.

5.Th

e DC

volta

ge is

smoo

thed

by u

sing

a . .

.r

A. h

alf-w

ave

recti

ficat

ion ci

rcuit

.r

B. sm

all va

lue ca

pacit

or w

ith a

high

volta

ge va

lue.

rC.

Lar

ge va

lue ca

pacit

or.

rD.

90O

out o

f pha

se.

6.An

inef

ficien

t rec

tifica

tion

circu

it usu

ally c

onta

ins .

. .r

A. la

rge

gaps

bet

ween

cycle

s.r

B. tw

ice th

e AC

volta

ge n

eede

d.r

C. m

ore

diode

s.r

D. a

ll of t

he a

bove

.7.

The

max

imum

curre

nt th

at a

diod

e ca

n ha

ndle

is de

term

ined

by .

. .A.

the

trans

form

er’s

curre

nt ra

ting.

B. th

e am

ount

of A

C rip

ple.

C. th

ree

times

the

diode

ratin

g.D.

pea

k cur

rent

ratin

g.8.

The

LM-3

17 w

ill sh

ut d

own

when

. . .

rA.

the

outp

ut vo

ltage

is to

o hig

h.r

B. n

o cu

rrent

is b

eing

draw

n.r

C. th

e jun

ction

ove

rhea

ts.r

D. th

e ou

tput

volta

ge d

rops

to 1

.25V

.9.

The

LM-3

17 re

gulat

or co

ntain

s . .

.r

A. a

pas

s tra

nsist

or.

rB.

a co

nsta

nt cu

rrent

sour

ce.

rC.

a d

iffere

ntial

am

plifie

r.r

D. a

ll of t

he a

bove

.10

.The

LM

-317

is b

asica

lly .

. .r

A. a

1.2

5V re

gulat

or.

rB.

a 6

.25V

regu

lator

.r

C. a

2.5

V re

gulat

or.

rD.

a n

egat

ive vo

ltage

regu

lator

.

Answers:1. B; 2. B; 3. C; 4. D; 5. C; 6. D; 7. D; 8. C; 9. D; 10. A

AN-700

-CXK

-700

ANA

LOG KIT (AN-70

0-C) PAR

TS LIST

RESIST

ORS

Qty.

Symbo

lVa

lue

Color C

ode

Part #

r2

R14,

R44

100W

5% 1

/4W

brow

n-bla

ck-b

rown

-gold

1310

00r

1R5

200W

5% 1

/4W

red-

black

-bro

wn-g

old13

2000

r2

R46,

R47

330W

5% 1

/4W

oran

ge-o

rang

e-br

own-

gold

1333

00r

1R1

21kW

5% 1

/4W

brow

n-bla

ck-re

d-go

ld14

1000

r1

R49

2kW

5% 1

/4W

red-

black

-red-

gold

1420

00r

2R7

, R11

4.7kW

5% 1

/4W

yello

w-vio

let-re

d-go

ld14

4700

r1

R36.

8kW

5% 1

/4W

blue-

gray

-red-

gold

1468

00r

1R1

38.

2kW

5% 1

/4W

gray

-red-

red-

gold

1482

00r

1R1

010

kW5%

1/4

Wbr

own-

black

-ora

nge-

gold

1510

00r

1R6

12kW

5% 1

/4W

brow

n-re

d-or

ange

-gold

1512

00r

3R4

, R45

, R48

22kW

5% 1

/4W

red-

red-

oran

ge-g

old15

2200

r1

R947

kW5%

1/4

Wye

llow-

violet

-ora

nge-

gold

1547

00r

1R8

51kW

5% 1

/4W

gree

n-br

own-

oran

ge-g

old15

5100

r1

VR8

100kW

Trim

Pot

1916

10r

1VR

510

kWPo

t19

2531

r2

VR6,

VR7

100kW

Pot

1926

12

CAPA

CITO

RSQty.

Symbo

lVa

lue

Desc

riptio

nPa

rt #

r1

C27

5pF

(5)

Disc

ap20

5010

r1

C26

22pF

(22)

Disc

ap21

2210

r1

C23

100p

F (1

01)

Disc

ap22

1017

r1

C18

.001

mF

(102

)M

ylar

2310

17r

1C2

5.0

022m

F (2

22)

Disc

ap23

2216

r1

C19

.01m

F (1

03)

Myla

r24

1019

r1

C20

.1m

F (1

04)

Myla

r25

1017

r1

C21

1mF

50V

Elec

trolyt

ic26

1047

r2

C22,

C24

10m

F 25

VEl

ectro

lytic

2710

45

SEMICON

DUCT

ORS

Qty.

Symbo

lVa

lue

Desc

riptio

nPa

rt #

r2

D16,

D17

1N41

48Di

ode

3141

48r

2Q1

, Q3

2N39

04Tr

ansis

tor P

NP32

3904

r1

Q22N

3906

Tran

sisto

r NPN

3239

06r

1U1

0LM

318

Inte

grat

ed ci

rcuit

3303

18r

1U6

XR22

06In

tegr

ated

circ

uit33

2206

MISCE

LLAN

EOUS

Qty.

Symbo

lDe

scrip

tion

Part #

r1

SW2

Switc

h ro

tary

12-

pin54

2206

r1

SW3

Switc

h ro

tary

16-

pin54

2405

r5

Knob

pus

h-on

6220

09r

3Nu

t 7m

m64

4101

r2

Nut 9

mm

6441

02r

3W

ashe

r flat

8m

m64

5101

r2

Was

her f

lat 9

mm

6451

03r

1U1

0IC

sock

et 8

-pin

6640

08r

1U6

IC so

cket

16-

pin66

4016

r2

B5, B

64-

Pin

Bred

blox

6652

04r

1So

lder l

ead-

free

9LF9

9-26-


Recommended