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Sharp21AXS888RDEDI

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24
WAR NING The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user - serviceable parts inside. Refer servicing to qualified service personnel. SERVICE MANUAL In the interests of user-safety (R equired by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. MODELS COLOUR TELEVISION Chassis No. GA-7S FEATURES Multi 21 Systems, 100-CH program Memory Full Auto Search System NICAM/A2 STEREO Blueback Function with Auto OFF NTSC Colour Comb Filter Function High Contrast Picture (Black Strecth Circuit) CATV (Hyperband) Ready White Temperature Select SURROUND & AVL Function OFF Timer & Child Lock Hotel Mode & AV Mode (Movie/Music/News) English Language OSD SHARP CORPORATION Page ¤SPECIFICATIONS ............................................. 2 ¤IMPORTANT SERVICE NOTES ........................ 2 ¤ADJUSTMENT PRECAUTIONS ........................ 3 ¤TROUBLE SHOOTING TABLE ....................... 14 ¤WAVEFORMS .................................................. 16 ¤SOLID STATE DEVICE BASE DIAGRAM ....... 17 ¤CHASSIS LAYOUT .......................................... 18 ¤BLOCK DIAGRAM ........................................... 19 ¤DESCRIPTION OF SCHEMATIC DIAGRAM .. 22 ¤SCHEMATIC DIAGRAM ¤CRT UNIT ..................................................... 23 Page ¤MAIN UNIT ................................................... 24 ¤REPLACEMENT PARTS LIST ¤ELECTRICAL PARTS .................................. 26 ¤MISCELLANECOUS PARTS ....................... 31 ¤SUPPLIED ACCESSORIES......................... 31 ¤PACKING PARTS ......................................... 31 ¤CABINET PARTS ......................................... 31 CONTENTS ¤ 21AXS888RD Rear AV-IN/Out Terminal & Component In Front AV-In Terminal & Sub-Woofer Output ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ ¤ Sound Booter (Shakit) LNASI (Antenna Booter) ¤ ¤ NICAM 21AXS888GY
Transcript
Page 1: Sharp21AXS888RDEDI

1

WA R NINGThe chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and powerreceptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user - serviceable partsinside. Refer servicing to qualified service personnel.

SERVICE MANUAL

In the interes ts of us er-s afety (R equired by s afety regulations in s ome countries ) the s et s hould be res toredto its original condition and only parts identica l to thos e s pecified s hould be us ed.

MODE L S

COLOUR TELEVISIONChassis No. GA-7S

FEATURES

Multi 21 Systems, 100-CH program MemoryFull Auto Search SystemNICAM/A2 STEREO

Blueback Function with Auto OFF

NTSC Colour Comb Filter FunctionHigh Contrast Picture (Black Strecth Circuit)

CATV (Hyperband) Ready

White Temperature Select

SURROUND & AVL Function

OFF Timer & Child LockHotel Mode & AV Mode (Movie/Music/News)

English Language OSD

S HAR P C OR P OR AT ION

Page

♦SPECIFICATIONS ............................................. 2♦IMPORTANT SERVICE NOTES ........................ 2♦ADJUSTMENT PRECAUTIONS ........................ 3♦TROUBLE SHOOTING TABLE ....................... 14♦WAVEFORMS .................................................. 16♦SOLID STATE DEVICE BASE DIAGRAM ....... 17♦CHASSIS LAYOUT .......................................... 18♦BLOCK DIAGRAM ........................................... 19♦DESCRIPTION OF SCHEMATIC DIAGRAM .. 22♦SCHEMATIC DIAGRAM

♦CRT UNIT ..................................................... 23

Page

♦MAIN UNIT ................................................... 24♦REPLACEMENT PARTS LIST

♦ELECTRICAL PARTS .................................. 26♦MISCELLANECOUS PARTS ....................... 31♦SUPPLIED ACCESSORIES......................... 31♦PACKING PARTS ......................................... 31♦CABINET PARTS ......................................... 31

CONTENTS

21AXS888RD

Rear AV-IN/Out Terminal & Component InFront AV-In Terminal & Sub-Woofer Output

♦♦

♦♦♦♦♦

♦♦♦♦

♦♦ Sound Booter (Shakit)

LNASI (Antenna Booter)♦♦

NICAM

21AXS888GY

Page 2: Sharp21AXS888RDEDI

2

2-1

2-2

SP

EC

IFIC

AT

ION

SIM

PO

RTA

NT

SE

RV

ICE

NO

TE

SM

aint

enan

ce a

nd re

pair

of th

is re

ceiv

er s

houl

d be

don

e by

qua

lifie

dse

rvic

e pe

rson

nel o

nly.

SE

RV

ICE

OF

HIG

H V

OLT

AG

E S

YS

TE

M A

ND

PIC

-T

UR

E T

UB

EW

hen

serv

icin

g th

e hi

gh v

olta

ge s

yste

m,

rem

ove

stat

ic c

harg

e fr

om it

by

Con

nect

ing

a 10

K o

hm R

esis

tor

in s

erie

s w

ith a

n in

sula

ted

wire

(suc

h as

ate

st p

robe

) be

twee

n pi

ctur

e tu

be

dag

and

2nd

anod

e le

ad.

(AC

line

cor

dsh

ould

be

disc

onne

cted

from

AC

out

let.)

1.P

ictu

re tu

be in

this

rec

eive

r em

ploy

s in

tegr

al i

mpl

osio

n pr

otec

tion.

2.R

epla

ce w

ith tu

be o

f the

sam

e ty

pe n

umbe

r fo

r co

ntin

ued

safe

ty.

3.D

o no

t lift

pic

ture

tube

by

the

neck

.4.

Han

dle

the

pict

ure

tube

onl

y w

hen

wea

ring

shat

terp

roof

gog

gles

and

afte

r di

scha

rgin

gth

e hi

gh v

olta

ge c

ompl

etel

y.

X-R

AY

Thi

s re

ceiv

er is

des

igne

d so

that

any

X-R

ay r

adia

tion

is k

ept t

o an

abs

olut

eM

inim

um. S

ince

cer

tain

mal

func

tions

or

serv

icin

g m

ay p

rodu

ce p

oten

tially

haza

rdou

s ra

diat

ion

with

pro

long

ed e

xpos

ure

at c

lose

ran

ge, t

he fo

llow

ing

prec

autio

ns s

houl

d be

obs

erve

d:1.

Whe

n re

pairi

ng th

e ci

rcui

t, be

sur

e no

t to

incr

ease

the

high

vol

tage

to m

ore

than

26.

0kV

(at b

eam

0 m

A)

for

the

set.

2.To

kee

p th

e se

t in

a no

rmal

ope

ratio

n , b

e su

re to

mak

e it

func

tion

on 2

3.0k

V ±

1.0k

V (

atbe

am 1

000

mA

) in

the

case

of t

he s

et. T

he s

et h

as b

een

fact

ory

- Adj

uste

d to

the

abov

e-m

entio

ned

high

vol

tage

.\\\\ \

If t

here

is a

pos

sibi

lity

that

the

hig

h vo

ltage

flu

ctua

tes

as a

res

ult

of t

he r

epai

rs,

neve

r fo

rget

to c

heck

for

such

hig

h vo

ltage

afte

r th

e w

ork.

3.D

o no

t su

bstit

ute

a pi

ctur

e tu

be w

ith u

naut

hori

zerd

typ

es a

nd/o

r br

ands

whi

ch m

ayca

use

exce

ss X

-ray

rad

iatio

n.

BE

FO

RE

RE

TU

RN

ING

TH

E R

EC

EIV

ER

Bef

ore

retu

rnin

g th

e re

ceiv

er to

the

user

, per

form

the

follo

win

g sa

fety

Che

cks.

1.In

spec

t all

lead

dre

ss to

mak

e ce

rtai

n th

at le

ads

are

not p

inch

ed o

r th

at h

ardw

are

is n

otlo

dged

bet

wee

n th

e ch

assi

s an

d ot

her

met

al p

arts

in th

e re

ceiv

er.

2.In

spec

t all

prot

ectiv

e de

vice

s su

ch a

s no

n-m

etal

lic c

ontr

ol k

nobs

, ins

ulat

ing

fishp

aper

s,ca

bine

t ba

cks,

adj

ustm

ent

and

com

part

men

t co

vers

or

shie

lds,

isol

atio

n re

sist

or-

ca-

paci

ty n

etw

orks

, mec

hani

cal i

nsul

ator

s et

c.

Conv

erge

nce

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

....S

elfC

onve

rgen

ceSy

stem

Focu

s...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

..El

ectro

-Sta

ticFo

cusin

gSw

eep

Defle

ctio

n....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.Mag

netic

Inte

rmed

iate

Freq

uenc

ies

Pict

ure

IFCa

rrier

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...38

.9M

HzSo

und

IFCa

rrier

Freq

uenc

y6.

5MHz

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...32

.4M

Hz6.

0MHz

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...32

.9M

Hz5.

5MHz

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...33

.4M

HzCo

lour

Sub-

Carri

erFr

eque

ncy.

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

....3

4.47

MHz

Cabi

netm

ateria

l....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...Al

lPla

stics

Spec

ificat

ions

are

subj

ectt

och

ange

with

outp

riorn

otice

Aeria

lInp

utIm

peda

nce

VHF/

UHF

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

..75

ohm

sUn

bala

nced

Rece

iving

Syst

em...

......

......

......

......

......

......

......

......

......

......

......

......

......

..PA

LI,

B/G

,D/K

&SE

CAM

B/G

,D/K

,K1,

&NT

SCM

Rece

iving

Chan

nel

VHF-

Chan

nels

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

E2(4

8.25

MHz

)thr

uE1

2(22

4.25

MHz

)C1

(49.

75M

Hz)t

hru

C12(

216.

25M

Hz)

S1(1

05.2

5MHz

)thr

uS4

1(46

3.25

HMz)

UHF-

Chan

nels

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.E21

(471

.25M

Hz)t

hru

E69(

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25M

Hz)

C13(

471.

25M

Hz)t

hru

C57(

863.

25M

Hz)

.

Powe

rInp

ut...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

110

~24

0VAC

50/6

0Hz

Powe

rCon

sum

ptio

n....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.... 1

07 W

Audi

oPo

werO

utpu

tRat

ing

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.7.5

W(rm

s)x

2

Voice

CoilI

mpe

danc

e...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

....1

6oh

ms

at40

0Hz

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...Sp

eake

r10

cm +5

cm (x

2)

Size

Dim

ensio

ns...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.... W

idth

:734

mm

Heig

ht:4

19.5

mm

Dept

h:35

3.8m

mW

eigh

t(app

rox)

:22.

5kg

Page 3: Sharp21AXS888RDEDI

3

3-1

3-2

AD

JUS

TM

EN

T P

RE

CA

UT

ION

SA

DJU

ST

ME

NT

ITE

M

Th

ism

od

el's

sett

ing

are

ad

just

ed

intw

od

iffe

ren

tw

ays

:th

rou

gh

the

I2C

bu

sco

ntr

ola

nd

inth

eco

nve

ntio

na

la

na

log

ma

nn

er.

Th

ea

dju

stm

en

tsvi

ath

eI2

Cb

us

con

tro

lin

clu

de

pre

set-

on

lyite

ms

an

dva

ria

ble

da

ta.

1.

Se

ttin

gth

ese

rvic

em

od

eb

yth

em

icro

pro

cess

or.

(1).

Pre

ssa

nd

ho

ldth

elo

calk

ey

"VO

LD

OW

N"

&"C

HU

P"

wh

en

po

we

ro

nth

em

ain

switc

h,

TV

will

en

ter

into

the

SE

RV

ICE

MO

DE

inA

dju

stm

en

tM

od

e.(

Th

ein

itia

lva

lue

of

EE

PR

OM

are

au

tom

atic

ally

pre

set

wh

en

ne

wE

EP

RO

Mis

use

d).

Se

rvic

eM

od

ea

lso

can

be

rea

che

db

yp

ress

ing

"Se

rvic

e"

ke

y(c

od

e:

81

He

x)

(2).

Pre

ssth

eC

HD

OW

N/

UP

ke

yo

nth

ere

mo

teco

ntr

olle

rto

sele

ctth

eite

ms

on

eb

yo

ne

inA

dju

stm

en

tM

od

e.

(3).

Usi

ng

the

VO

LU

ME

UP

/D

OW

Nk

ey

on

the

rem

ote

con

tro

ller,

the

da

taca

nb

em

od

ifie

d.

(4).

Wh

en

pre

ssth

elo

calk

ey

"VO

LD

OW

N"

&"C

HU

P"

at

the

sam

etim

e,

itw

illb

ere

lea

sed

fro

mth

ese

rvic

em

od

e.

(5)

Pre

ssth

eM

EN

Uk

ey

on

the

rem

ote

con

tro

ller

toe

nte

rin

toN

VM

mo

de

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ress

ME

NU

ke

ya

ga

into

lea

veth

eN

VM

mo

de

retu

rnto

Ad

just

me

nt

Mo

de

.(

No

tre

com

me

nd

ed

tom

od

ify

the

da

tau

nle

ssa

slis

ted

inB

US

SE

TU

Pd

ata

)

(6)

Pre

ssb

oth

CH

-UP

an

dV

OL

-DO

WN

bu

tto

ns

on

the

TV

set

sim

uta

ne

ou

sly

or

pre

ssth

e"S

ER

VIC

E"

(81

HE

X)

ke

ya

ga

in,

itw

illsw

itch

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eN

OR

MA

Lm

od

ep

osi

tion

,a

nd

the

mic

rop

roce

sso

ris

ou

to

fth

eS

ER

VIC

Em

od

e.

2.

Fa

cto

ryP

rese

ttin

g.

(1).

Pre

ssre

mo

teco

ntr

olle

rk

ey

of

cod

e"E

D"f

or

4se

con

ds

,th

ein

itia

lva

lue

sa

rea

uto

ma

tica

llyp

rese

t.

(2).

Th

ein

itia

lda

taa

rep

rese

ta

slis

ted

inp

ag

e5

~8

.

(3).

Ma

ke

sure

wh

eth

er

the

da

tan

ee

dto

mo

dif

yo

rn

ot

(In

itia

lda

ta).

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efe

rto

BU

SS

ET

UP

DA

TA

)

No

te:

On

ceth

ech

ass

ish

as

be

en

ass

em

bly

tog

eth

er

an

din

rea

dy

con

diti

on

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sem

ak

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reit'

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oth

rou

gh

initi

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ep

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ee

sect

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ve)

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ca

uti

on

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ven

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eth

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liza

tion

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ctio

nm

igh

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pe

n.

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TE

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EC

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Page 4: Sharp21AXS888RDEDI

4

4-1

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Page 6: Sharp21AXS888RDEDI

6

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Page 7: Sharp21AXS888RDEDI

7

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NA

VL

(NEW

S) /

PIC

TUR

EN

R(M

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IE) /

PIC

TUR

EN

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SHIP

OU

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ING

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TT

ING

& C

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CK

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* T

he fo

llow

ing

defa

ult d

ata

has

been

fact

ory-

set f

or th

e E

2PR

OM

follo

w b

y pr

essi

ng M

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EL

SE

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ey.

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1/2

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IT E

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VO

LUM

E

BLU

E B

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OF

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ITE

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1

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1

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TR

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in)

OF

F

- : -

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ALL

CH

ON

CH

10

CH

20

CH

30

CH

40

OF

F

OF

F

MO

VIE

60 +6 0 0 OF

F

OF

F

0 +2 +2+6

ALL

CH

AU

TO

ALL

CH

OF

F

MO

DE

LIN

DO

NE

SIA

MA

GN

ET

IC F

IELD

(V

, H)

nT-2

0,00

040

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BA

CK

GR

OU

ND

1230

0 Ko

LA

NG

EN

GLI

SH

S-S

YS

B/G

LAN

G Q

TY

1

1: E

GLI

SH

FA

CT

OR

Y S

ET

TIN

G B

Y M

OD

EL

(Ref

eren

ce :

Geo

mag

netis

m A

djus

tmen

t)

Page 8: Sharp21AXS888RDEDI

8

8-1

8-2

ADJU

STME

NT P

RECA

UTIO

N: M

akes

ure T

V Se

t is in

“Nor

mal C

ondit

ion” b

efore

switc

h to S

ervic

e Mod

e for

Adju

stmen

t.

1. PI

F ADJ

USTM

ENT C

HECK

ING

2. FO

CUS

ADJU

STME

NT

NOAD

JUST

MEN

TPO

INT

ADJU

STM

ENT

COND

ITIO

N/P

ROCE

DURE

WAV

EFOR

MOR

OTHE

RS

1RF

-AGC

TAKE

OVER

POIN

TAD

JUST

MEN

T(I2

CBU

SCO

NTRO

L)

(AUT

O&

MAN

UAL

ADJ

)

*fo

rAu

toAD

J(1

)Re

ceiv

e"P

ALCO

LOR

BAR"

signa

l

56±

1dB

µV(7

5oh

mop

en).

(1)

Goto

serv

icem

ode.

(2)

Goto

serv

iceda

ta01

RF-A

GC,

pres

sR/

Cto

oper

ate

auto

key

(Hex

C1).

Blue

disp

lay

with

OKsig

nin

dica

tes

the

adju

stm

ent

isw

orkin

gpr

oper

ly(3

)If

appe

arre

ddi

spla

yw

ithNG

sign,

incr

ease

data

som

est

epan

dpl

ease

repe

atst

ep2.

(4)

Proc

eed

step

4&

5in

man

ual

mod

e.

TVSE

T

OSCI

LLOS

COPE

BIAS

BOX

+ -

TP20

10.

1V 1.0V

-+

(1)

Rece

ive

"PAL

COLO

RBA

R"sig

nal.

Sign

alSt

reng

th:5

1dBµ

V(7

5oh

mop

en)

(2)

Conn

ect

the

oscil

losc

ope

toJA

402

(Tun

er's

AGC

Term

inal

)as

show

nin

figur

e3-

1.

(3)

Call

"01

RF-A

GC"

mod

ein

serv

icem

ode.

Adju

stth

e"0

1RF

AGC"

bus

data

toob

tain

the

Tune

rout

putp

indr

op0.

1~1.

0Vbe

low

max

imum

volta

ge.

(4)C

hang

eth

ean

tenn

ain

puts

igna

lto

63~

67dB

µV,a

ndm

ake

sure

ther

eis

nono

ise.

(5)

Turn

upth

ein

puts

igna

lto

90~

95dB

µVto

besu

reth

atth

ere

isno

cros

sm

odul

atio

nbe

at.

signa

lstre

ngth

:

NOAD

JUST

MEN

TPO

INT

WAV

EFOR

MOR

OTHE

RS

1FO

CUS

(1)

Rece

ive

the

"Mon

osco

pePa

ttern

"sig

nal.

(2)P

ress

R/C

tose

tPi

ctur

eNO

RMAL

cond

ition

.(3

)Ad

just

the

focu

sco

ntro

lto

gett

hebe

stfo

cusin

g.

ADJU

STM

ENT

COND

ITIO

N/P

ROCE

DURE

Focu

sing

Poin

t(m

iddl

eof

cent

eran

ded

geof

mon

osco

pepa

ttern

)

3. HO

RIZO

NTAL

, VER

TICA

L, D

EFLE

CTIO

N LO

OP A

DJUS

TMEN

T

NOAD

JUST

MEN

TPO

INT

WAV

EFOR

MOR

OTHE

RS

1V-

SLOP

E(I2

CBU

SCO

NTRO

L)

ADJU

STM

ENT

COND

ITIO

N/P

ROCE

DURE

(1)R

eceiv

eM

onos

cope

Patte

rnSi

gnal

(PAL

50Hz

).(2

)Cho

ose

the

serv

iceda

ta02

V-SL

OPE

.(3

)Adju

stth

eV-

SLOP

Eas

show

nin

Figu

re1.

1

CAUT

ION:

-PLE

ASE

AGIN

GTV

MOR

ETH

AN10

MIN

UTES

BEFO

READ

JUST

MEN

T.

2V-

SHIF

T50

(I2C

BUS

CONT

ROL)

(1)R

eceiv

eM

onos

cope

Patte

rnSi

gnal

(PAL

50Hz

).(2

)Cho

ose

the

serv

iceda

ta03

V-SH

I-50

(3)A

djust

V-SH

I-50

busd

ata

toha

vea

mos

tac

cept

able

verti

calp

ositio

n,th

em

onos

cope

patte

rnsh

ould

beBa

lanc

ein

verti

calp

ositio

n.No

te:

Blin

e(M

onos

cope

mid

dle

line)

mus

tsa

me

orne

ares

thi

gher

posit

ion

toth

eA

mar

k(T

ube

mid

dle

mar

k),re

fer

toth

eat

tach

draw

ing.

Figu

re1.

1

Figu

re:

3V-

AMP-

50(1

2CBU

SCO

NTRO

L)(to

bedo

neV-

shift

adj)

(1)R

eceiv

eM

onos

cope

Patte

rnSi

gnal

(PAL

50Hz

).(2

)Cho

ose

the

serv

iceda

ta04

V-AM

P-50

.(3

)Adju

stV-

AMP-

50bu

sdat

aun

tilth

eov

ersc

anbe

com

e10

±1.

5%

.Ca

utio

n1:

Pls

agin

gTV

mor

eth

an10

min

utes

befo

read

just

men

t

4H-

SHIF

T-50

(I2C

BUS

CONT

ROL)

(1)R

eceiv

eM

onos

cope

Patte

rnSi

gnal

(PAL

50Hz

).(2

)Cho

ose

the

serv

iceda

ta05

H-SH

I-50

.(3

)Adju

stth

eH-

SHI-5

0bu

sdat

ato

have

aba

lance

posit

ionto

spec

ofA=

B(a

satta

chdr

awing

).(4

)Ifc

anno

tmak

eitt

oA=

B,a

djust

from

the

best

point

soth

atB

sligh

tlysm

aller

than

A.

A=

Outo

fspe

cB

=OK

C=

Outo

fspe

c

A B C

A

OKOK

NG

B

A

B

Page 9: Sharp21AXS888RDEDI

9

9-1

9-2

NO

ADJU

STM

ENT

POIN

TW

AVEF

ORM

OR

OTH

ERS

5EW

-W-5

0(I2

CBU

SCO

NTR

OL)

ADJU

STM

ENT

CON

DIT

ION

/PRO

CED

URE

(1)

Rece

ive

Mon

osco

pePa

tter

nSi

gnal

(PAL

50H

z).

(2)

Choo

seth

ese

rvic

eda

ta06

EW-W

-50.

(3)

Adju

stEW

-W-5

0bu

sda

taun

tilth

eov

ersc

anbe

com

es10

±1.

5%

.

6E/

W-P

AR-5

0(I2

CBU

SCO

NTR

OL)

(1)

Rece

ive

Cros

sHat

chPa

tter

nSi

gnal

(PAL

50H

z).

(2)

Choo

seth

ese

rvic

eda

ta07

E/W

-PAR

-50.

(3)

Adju

stth

e2n

dve

rtic

allin

efro

mth

erig

hten

dof

the

cros

shat

chpa

tter

nso

that

the

mid

dle

4bl

ocks

are

stra

ight

.

7U

PCO

R-P

AR

(I2C

BUS

CON

TRO

L)(1

)Re

ceiv

eCr

ossH

atch

Patt

ern

Sign

al(P

AL50

Hz)

.(2

)Ch

oose

the

serv

ice

data

10U

PCO

R-P

AR.

(3)

Adju

stth

e2n

dup

per

vert

ical

line

from

the

right

end

ofth

ecr

ossh

atch

patt

ern

soth

atth

eup

per

line

are

stra

ight

.

8LO

COR-

PA

R(I2

CBU

SCO

NTR

OL)

(1)

Rece

ive

Cros

sHat

chPa

tter

nSi

gnal

(PAL

50H

z).

(2)

Choo

seth

ese

rvic

eda

ta11

LOCO

R-P

AR.

(3)

Adju

stth

e2n

dlo

wer

vert

ical

line

from

the

right

end

ofth

ecr

ossh

atch

patt

ern

soth

atth

ebo

ttom

line

are

stra

ight

.

9H

-BO

W(I2

CBU

SCO

NTR

OL)

(1)

Rece

ive

Cros

sHat

chPa

tter

nSi

gnal

(PAL

50H

z).

(2)

Choo

seth

ese

rvic

eda

ta9

H-B

OW

.(3

)Ad

just

the

2nd

vert

ical

line

from

the

end

ofth

ecr

ossh

atch

patt

ern

until

line

isst

raig

ht(4

)Pl

ease

refe

rFi

gure

9.1

10H

-PA

R(I2

CBU

SCO

NTR

OL)

(1)

Rece

ive

Cros

sHat

chPa

tter

nSi

gnal

(PAL

50H

z).

(2)

Choo

seth

ese

rvic

eda

ta8

H-P

AR.

(3)

Adju

stth

e2n

dve

rtic

allin

efro

mth

een

dof

the

cros

shat

chpa

tter

nlin

eis

stra

ight

(4)

Plea

sere

fer

Figu

re10

.1

11EW

-TRA

P(I2

CBU

SCO

NTR

OL)

(1)

Rece

ive

Cros

sHat

chPa

tter

nSi

gnal

(PAL

50H

z).

(2)

Choo

seth

ese

rvic

eda

ta12

EW-T

RAP

.(3

)Ad

just

the

2nd

vert

ical

line

from

the

right

end

ofth

ecr

ossh

atch

patt

ern

soth

atth

eD

1(c

ente

rar

eaof

the

seco

ndve

rtic

allin

e-e

dge

ofsc

reen

)an

dD

2(to

par

eaof

the

seco

ndve

rtic

allin

e-e

dge

ofsc

reen

)ar

esa

me.

H-P

AR

Figu

re9.

1

Figu

re10

.1

H-B

OW

D2

D1

4. SC

REEN

, WHI

TE B

ALAN

CE, S

UB-B

RIGH

TNES

S &

SUB-

CONT

RAST

ADJ

USTM

ENT

NOAD

JUST

MEN

TPO

INT

WAV

EFO

RMO

RO

THER

S

1SC

REEN

ADJU

STM

ENT

(I2C

BUS

CONT

ROL)

ADJU

STM

ENT

CO

NDIT

ION

/PRO

CEDU

RE

(1)

Mak

esu

reth

efo

llow

ing

item

sar

ein

INIT

IAL

DATA

befo

read

just

CRT

cuto

ff(a

)15

DRI-R

S=

32(b

)16

DRI-G

S=

32(c

)17

DRI-B

S=

32(d

)18

CUT

-RS

=16

(e)

19CU

T-G

S=

16(f)

20CU

T-B

S=

16(f)

21SU

BBR

I=

24(g

)22

SUB

CON

=59

(h)

32CU

TO

FF=

25(i)

35BL

OC=

4(2

)Sw

itch

TVto

vide

om

ode,

blue

back

off,

with

nosig

nala

ndpr

ess

R/C

tose

tpi

ctur

ein

tono

rmal

cond

ition

.(3

)G

oto

serv

ice

mod

e,se

lect

item

31VS

D(d

ark

scre

endi

spla

y)(4

)Ad

just

the

Scre

enso

that

cut-o

fflin

eap

pear

inlo

wbr

ight

,the

nju

dge

that

whe

ther

the

cut-o

fflin

eap

pear

inRe

dor

Gree

nor

Blue

colo

r,in

this

cond

ition

betw

een

CUT

-RS

&C

UT-G

S&

cut-B

S,fix

the

data

ofth

eco

lora

ppea

rin

cut-o

fflin

ean

dad

jthe

othe

rtw

ocu

t-off

data

(Not

e1)

soth

atcu

t-off

line

colo

rbec

ome

whi

te.

(5)

Turn

the

scre

enVR

ofFB

Tso

that

cut-o

fflin

eju

stdi

sapp

ear

(1)

WHI

TE(H

IGH

BEAM

)(In

Win

dow

Patte

rnSi

gnal

)Fi

rst

use

Min

olta

Colo

rAn

alyz

erCA

100,

lett

hegu

npo

inta

tDar

kW

hite

posit

ion

(as

draw

ing

atta

ch),

AdjS

UB-B

RIun

tilLU

MIN

ANCE

Ybe

com

e4

cd/m

2,t

hen

lett

hegu

npo

inta

tW

hite

posit

ion

(as

draw

ing

atta

ch),

AdjS

UB-

CON

until

LUM

INAN

CEY

beco

me:

150

cd/m

2.Ad

jthe

DRI-R

S&

DRI-B

Sun

tilth

eax

isof

colo

rte

mpe

ratu

rebe

com

e

1230

0K

X:0

.272

,Y:0

.275

(2)

DARK

WHI

TE(L

OW

BEAM

)Le

tth

egu

npo

inta

tDar

kW

hite

posit

ion,

ifth

eco

lort

empe

ratu

reda

tash

iftaw

ayfro

mth

eda

taad

just

edin

Item

1Sc

reen

adju

stm

ent,

adju

stCU

T-R

S,CU

TGS

&C

UT-B

S.Pl

ease

fixth

efir

stco

lour

appe

ars

inSc

reen

adj

item

step

(4)

isfix

ed,

adjt

heot

hert

wo

soth

atto

obta

inth

esim

ilar

axis

asab

ove.

**R

epea

tste

p1

&2

tog

eta

regu

late

dpo

sitio

n

Note

1:Du

ring

serv

ice

mod

ese

lect

key.

31VS

D(D

ark

Disp

lay)

,up

Scre

enIf

the

verti

cal

line

does

nota

ppea

r,Pl

ease

pres

svo

l

*Not

e:S

igna

lus

ing

W/B

Patte

rnGe

nera

tor

SX-1

006

(IWAT

SU)

oreq

uiva

lent

.W

indo

wPa

ttern

Sign

alou

tput

leve

lare

asab

ove:

2W

HITE

BALA

NCE

ADJ

(tobe

done

afte

rsc

reen

adj)

(I2C

BUS

CONT

ROL)

WIN

DOW

PATT

ERN

SIGN

AL

Whi

te

50%

IRE

5.5%

IRE

9.5%

IRE

Dark

Whi

te

°

Page 10: Sharp21AXS888RDEDI

10

10-1

10-2

NOAD

JUST

MEN

TPO

INT

WAV

EFOR

MOR

OTHE

RS

3SU

B-BR

IGHT

NESS

(tobe

done

afte

rsc

reen

,w

hite

bala

nce

adj)

(I2C

BUS

CONT

ROL)

ADJU

STM

ENT

CON

DITI

ON/P

ROCE

DURE

(1)

InW

indo

wPa

ttern

Sign

alco

nditi

on.

(2)

Usin

gM

inol

taCo

lor

Anal

yzer

CA-1

00,

lett

hegu

npo

inta

tDar

kW

hite

posit

ion

(as

atta

chdr

awin

g),a

djus

tSU

B-BR

IBu

sda

taun

til:

WIN

DOW

PATT

ERN

SIGN

AL Dark

Whi

te

4SU

B-CO

NTRA

ST(to

bedo

neaf

ter

scre

en,

whi

teba

lanc

ead

j,su

b-br

ight

ness

adj)

(I2C

BUS

CONT

ROL)

(1)

InW

indo

wPa

ttern

Sign

alco

nditi

on.

(2)

Usin

gM

inol

taCo

lor

Anal

yzer

CA-1

00,

let

the

gun

poin

tatW

hite

posit

ion

(as

atta

chdr

awin

g),a

djus

tSU

B-CO

NBu

sda

taun

til:

Whi

te

WIN

DOW

PATT

ERN

SIGN

AL

5BE

AMCU

RREN

TCH

ECK

(1)

Rece

ive

the

"Mon

osco

pePa

ttern

"sig

nal.

(2)

Pres

sR/

Cto

set

Pict

ure

NORM

ALco

nditi

on.

(3)

Conn

ect

the

DCm

iliam

met

erbe

twee

nTP

603

(+)&

TP60

2(-

)(F

ullS

cale

:3m

ARa

nge)

.(4

)Be

amcu

rrent

mus

tbe

with

in:1

000

±10

0µA

Serv

ice

Lum

inan

ce

mod

e(c

d/m

2)U

pper

limit

Low

erlim

it

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le4.

0+0

.5-0

.5

Disa

ble

4.0

+2.5

-1.0

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ranc

e(c

d/m

2)

Serv

ice

Lum

inan

ce

mod

e(c

d/m

2)U

pper

limit

Low

erlim

it

Enab

le15

0.0

+10

-10

Disa

ble

150.

0+2

0-1

0

Tole

ranc

e(c

d/m

2)

5. PA

L CH

ROMA

ADJ

USTM

ENT

6. NT

SC C

HROM

A AD

JUST

MENT

NOAD

JUST

MEN

TPO

INT

WAV

EFO

RMO

RO

THER

S

1SU

BCO

LOUR

(I2C

BUS

CONT

ROL)

ADJU

STM

ENT

CO

NDIT

ION

/PRO

CEDU

RE

1.Re

ceiv

eth

e"P

ALSp

litCo

lor

Bar"

signa

l.

2.M

ake

the

imag

eno

rmal

with

the

rem

ote

cont

rolle

r.

3.Co

nnec

tth

eos

cillo

scop

eto

TP47

R(R

863)

RED-

OUT

.

Rang

e:5

00m

V/Di

v(A

C)(U

sePr

obe

10:1

)Sw

eep

time

:10µ

sec/

Div

4.Se

tth

esu

bco

lora

djus

tmen

tm

ode

with

the

rem

ote

cont

rolle

r,an

dva

ryth

esu

bco

lord

ata

tom

ake

100%

Wof

the

colo

rbar

and

RED

atth

esa

me

leve

lfor

adju

stm

ent

show

nin

Fig.

1-1.

CyG

W

100%

WHI

TER

Mg

YB

Fig

1-1

NOAD

JUST

MEN

TPO

INT

WAV

EFO

RMO

RO

THER

S

1SU

B-TI

NT

(I2C

BUS

CONT

ROL)

(tobe

done

afte

rsu

bco

lour

adj)

ADJU

STM

ENT

CO

NDIT

ION

/PRO

CEDU

RE

(1)

Rece

ive

the

"NTS

C3.

58Co

lour

Bar"

signa

lth

roug

hAV

INfro

mIW

ATSU

SX10

06pa

ttern

gene

rato

r.

(2)

Conn

ect

the

osci

llosc

ope

toTP

47B

(R86

5)BL

UE-O

UT

Rang

e:5

00m

V/Di

v(A

C)(U

sePr

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10:1

)Sw

eep

time

:10µ

sec/

Div

(3)

Sele

ctth

e"S

UB-T

INT"

item

inth

eAD

JUST

MEN

TM

ODE

..Ad

just

the

"SUB

-TI

NT"

data

toob

tain

the

wav

efor

msh

own

asFi

gure

1.2

(Wan

dM

gsa

me

leve

l)

Sam

eLe

vel

Fig

1-2

WY

GR

BCy

Mg

Page 11: Sharp21AXS888RDEDI

11

11-1

11-2

7. P

RO

TEC

TOR

OPE

RAT

ION

CH

ECK

ING

8. A

/V IN

PUT

& O

UTP

UT

CH

ECK

ING

NO

AD

JUST

MEN

TPO

INT

WA

VEF

ORM

OR

OTH

ERS

1H

,V

PRO

TEC

TO

R

AD

JUST

MEN

TC

ON

DIT

ION

/PR

OC

EDU

RE

(1)

Rece

ive

"Mo

no

sco

pe

Patt

ern

"si

gn

al.

(2)

Co

nn

ect

ou

tpu

tof

Bias

Box

toD

602

cath

od

e(C

602

po

siti

ve).

(3)

Set

volt

age

of

Bias

Box

to18

Van

dm

ake

sure

the

pro

tect

or

isn

ot

wo

rkin

g.

(4)

Set

volt

age

of

Bias

Box

to28

.5V

.Th

etv

will

fou

rti

mes

in"O

N"

and

"OFF

"co

nd

itio

nb

efo

reth

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rote

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Nan

dsw

itch

tost

and

by

mo

de.

2O

THER

PRO

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TO

R(1

)O

nce

finis

hre

ctifi

edEl

ectr

oly

tic

Cap

acit

or

sho

rtte

stin

gin

+B

line,

chec

kal

lp

oss

ible

dam

aged

com

po

nen

tso

n+

Blin

e.(U

sera

nd

om

sele

cted

set

for

insp

ecti

on

)

NO

AD

JUST

MEN

TPO

INT

WA

VEF

ORM

OR

OTH

ERS

1V

IDEO

AN

DA

UD

IOO

UTP

UT

CH

ECK

AD

JUST

MEN

TC

ON

DIT

ION

/PR

OC

EDU

RE

(1)

Rece

ive

the

"PA

LC

olor

Bar"

sig

nal

(100

%W

hit

eC

olor

Bar,

Sou

nd

400

Hz

100%

Mod

).(2

)Te

rmin

ate

the

Vid

eoou

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twit

ha

75

oh

mim

ped

ance

.M

ake

sure

the

outp

uti

sas

spec

ified

(1.0

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-p±

3d

B).

(3)

Term

inat

eth

eA

ud

ioou

tpu

twit

ha

10K

ohm

imp

edan

ce.

Mak

esu

reth

eO

/Pis

as

spec

ified

(1.7

6V

p-p

±3

dB)

.

2V

IDEO

AN

DA

UD

IOIN

PUT

CH

ECK

(1)

Usi

ng

the

TV/V

IDEO

key

onth

ere

mot

eco

ntr

olle

r,m

ake

sure

that

the

mod

esch

ang

ein

ord

erof

TV

,A

V1,

AV

2&

TV

agai

nan

dth

evi

deo

&au

dio

outp

uta

reac

cord

ing

toth

ein

pu

tter

min

alfo

rea

chm

ode.

(2)

Vid

eocr

oss-

talk

AV

toTV

chec

kin

g:

a)W

hen

con

nec

tA

V1

inp

ut,

chec

kTV

als

ob

)W

hen

con

nec

tA

V2

inp

ut,

chec

kTV

als

o

Cau

tion

:A

V1

shar

ew

ith

YUV

.Th

eref

ore,

ifYU

Vsi

gn

alis

con

nec

ted

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omp

onen

tIn

term

inal

,on

lyco

mp

onen

tis

will

det

ecte

d.

3C

OM

PON

ENT

INC

HEC

K(1

)C

onn

ect

YUV

&A

ud

iosi

gn

alto

Com

pon

ent

Inte

rmin

alan

dA

ud

iote

rmin

al.

(2)

Usi

ng

the

TV/V

IDEO

key

onth

ere

mot

eco

ntr

olle

r,p

ress

itu

nti

lth

em

odes

chan

ge

toC

OM

PON

ENT

,co

nfir

mou

tpu

tis

app

ear.

(3)

Au

dio

sou

rce

issh

are

wit

hA

V1

9. F

UNCT

ION

OPE

RATI

ON

CHEC

KING

(VID

EO &

AUD

IO)

NO

AD

JUST

MEN

TPO

INT

WAV

EFO

RMO

RO

THER

S

1CO

NTR

AST

Key

AD

JUST

MEN

TCO

ND

ITIO

N/P

ROCE

DU

RE(1

)Re

ceiv

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onos

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ern"

sign

al.

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sto

Men

um

ode,

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ctPi

ctur

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ode

and

set

tose

lect

CON

TRA

ST.

(3)

Pres

sV

olum

eU

p/D

own

key

toch

eck

whe

ther

the

CON

TRA

STef

fect

isO

Kor

not.

2CO

LOU

RKe

y(1

)Re

ceiv

e"C

olou

rBa

r"si

gnal

.(2

)Pr

ess

toM

enu

mod

e,th

ense

lect

Pict

ure

Mod

ean

dse

tto

sele

ctCO

LOU

R.(3

)Pr

ess

Vol

ume

Up/

Dow

nke

yto

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kw

heth

erth

eCO

LOU

Ref

fect

isO

Kor

not.

3BR

IGH

TNES

SKe

y(1

)Re

ceiv

e"M

onos

cope

Patt

ern"

sign

al.

(2)

Pres

sto

Men

um

ode,

then

sele

ctPi

ctur

eM

ode

and

set

tose

lect

BRI

GH

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ess

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ume

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nke

yto

chec

kw

heth

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Sef

fect

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4TI

NT

Key

(1)

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ive

the

"NTS

CC

olou

rBa

r"si

gnal

thru

AVin

.(2

)Pr

ess

toM

enu

mod

e,th

ense

lect

Pict

ure

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ean

dse

lect

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)Pr

ess

Vol

ume

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yto

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kTI

NT,

UP

for

GRE

ENdi

rect

ion

and

DO

WN

for

RED

dire

ctio

nw

heth

eris

OK

orno

t.

5SH

ARP

NES

SKe

y(1

)Re

ceiv

e"M

onos

cope

Patt

ern"

sign

al.

(2)

Pres

sto

Men

um

ode,

then

sele

ctPi

ctur

eM

ode

and

set

tose

lect

SH

ARP

NES

S.(3

)Pr

ess

Vol

ume

Up/

Dow

nke

yto

chec

kw

heth

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eS

HA

RP

NE

SS

effe

ctis

OK

or

NO

T.

6CH

DIS

PLA

YCO

LOU

R(1

)A

llC

h(1

~99)

will

have

anO

SDdi

spla

yof

the

chan

nel

num

ber

ingr

een

colo

urun

der

AF

TO

Nco

nditi

on.

7SU

RRO

UN

D(1

)Re

ceiv

e"m

usic

"so

und

sign

al.

(2)

Set

MEN

U,

then

goin

toSO

UN

DM

ENU

tose

lect

SURR

OU

ND

.(3

)Pr

ess

VO

LUM

EU

P/D

OW

Nke

yto

chec

kSU

RRO

UN

DI,

IIan

dO

FFef

fect

.

*Not

e:1)

IfSU

RRO

UN

DI/I

ION

,Ba

lanc

efu

nctio

nca

nnot

bead

just

.3)

SURR

OU

ND

I:D

urin

gst

ereo

sign

alre

cept

ion

prod

uces

asp

acio

usso

und,

mak

ing

the

mos

tof

the

spea

ker's

perf

orm

ance

.2)

SURR

OU

ND

II:

Dur

ing

mon

aura

lsi

gnal

rece

ptio

ncr

eate

sm

onau

ral

soun

dth

atis

sim

ilar

tost

ereo

phon

icso

und.

*Not

e:Pl

ease

mak

esu

reSU

RRO

UN

Dis

set

toO

FF.

IfSU

RRO

UN

DI/I

ION

,Ba

lanc

efu

nctio

nca

nnot

bead

just

8TR

EBLE

(1)

Rece

ive

"mus

ic"

soun

dsi

gnal

.(2

)Se

tM

ENU

,th

engo

into

SOU

ND

MEN

Uto

sele

ctTR

EBLE

.(3

)Pr

ess

VO

LUM

EU

P/D

OW

Nke

yto

chec

kTR

EBLE

effe

ctis

OK

orno

t.

9BA

SS(1

)Re

ceiv

e"m

usic

"so

und

sign

al.

(2)

Set

MEN

U,

then

goin

toSO

UN

DM

ENU

tose

lect

BASS

.(3

)Pr

ess

VO

LUM

EU

P/D

OW

Nke

yto

chec

kB

ASS

effe

ctis

OK

orno

t.

10BA

LAN

CE(1

)Re

ceiv

em

ono-

tone

sign

al.

(2)

Set

MEN

U,

then

goin

toSO

UN

DM

ENU

tose

lect

BALA

NCE

.(3

)Pr

ess

VO

LUM

EU

P/D

OW

Nke

yto

chec

kw

heth

erth

ele

ftto

right

BALA

NCE

effe

ctis

OK

orno

t.

11LO

UD

NES

S(1

)Re

ceiv

e"m

usic

"so

und

sign

al.

(2)

Adj

ust

volu

me

to10

.(3

)Se

tM

ENU

,th

engo

into

SO

UN

DM

ENU

tose

lect

LOU

DN

ESS.

(4)

Pres

sVO

LUM

EU

P/D

OW

Nke

yto

chec

kLO

UD

NES

Sef

fect

isO

Kor

not.

11-2

Page 12: Sharp21AXS888RDEDI

12

12-1

12-2

NO

AD

JUST

MEN

TPO

INT

WA

VEFO

RMO

RO

THER

S

12N

ORM

AL

KEY

AD

JUST

MEN

TC

ON

DIT

ION

/PRO

CED

URE

(1)

Onc

ein

Pict

ure

Mod

e,an

dth

eN

ORM

AL

key

ispr

esse

d,al

lthe

sett

ings

will

bepr

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alse

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g.(N

orm

alse

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sele

cted

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mod

e)

MO

VIE

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MU

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DE

CON

TRA

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CON

TRA

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COLO

UR

+6

COLO

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ESS

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13W

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ITE

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ARD

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ING

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ARM

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mor

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ISH

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COO

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ore

BLU

ISH

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NOAD

JUST

MENT

POIN

TAD

JUST

MENT

COND

ITIO

N/P

ROCE

DURE

WAVE

FORM

ORRE

MARK

S

14CO

LOUR

SYST

EM(1

)Rec

eivet

he"P

ALCO

LOUR

BAR"

signa

l,pre

ssthe

COLO

URSY

STEM

keyt

osele

ctmo

dese

xcep

tPAL

,che

ckthe

COLO

URis

notw

orkin

gpro

perly

..

Then

,sele

ctthe

"PAL

"mod

e.Ch

ecka

gain

itsco

lours

otha

titis

worki

ngpr

oper

ly..

(2)

Rece

ive"S

ECAM

COLO

URBA

R"sig

nal,p

ress

COLO

URSY

STEM

keyt

osele

ctmo

dese

xcep

tSEC

AM,c

heck

theCO

LOUR

isno

twor

kingp

rope

rly.

Then

,sele

ctthe

"SEC

AM"m

ode.

Chec

kaga

inits

colou

rsot

hatit

iswo

rking

prop

erly.

(3)

Rece

ive"N

TSC

4.43"

signa

l,pre

ssCO

LOUR

SYST

EMke

ytos

elect

mode

sexc

eptN

TSC

4.43,

chec

kthe

COLO

URis

notw

orkin

gpro

perly

.Th

en,s

elect

the"N

TSC

4.43"

mode

.Che

ckag

ainits

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rsot

hatit

iswo

rking

prop

erly.

(4)

Rece

ive"N

TSC

4.43/3

.58CO

LOUR

BAR"

signa

lthru

AV,p

ress

COLO

URSY

STEM

keyt

osele

ctmo

dese

xcep

tN4.4

3/3.58

,che

ckthe

COLO

URis

not

worki

ngpr

oper

ly.Th

en,s

elect

the"N

TSC

4.43/3

.58"m

ode.

Chec

kaga

inits

colou

rsot

hatit

iswo

rking

prop

erly.

.

15SO

UND

SYST

EM(1

)Re

ceive

"PAL

-D/K

"sign

al,pr

esst

he"S

OUND

SYST

EM"

tose

lectB

/G,I.

Chec

kthe

soun

doutp

utis

notw

orkin

gpro

perly

.Se

lectD

/Kan

dche

ckthe

soun

doutp

utto

make

sure

itisw

orkin

gpro

perly

.(2

)Re

ceive

"PAL-

I"sig

nal,p

ress

the"S

OUND

SYST

EM"

tose

lectB

/G,D

/K.C

heck

theso

undo

utput

isno

twor

kingp

rope

rly.

Selec

tIan

dche

ckthe

soun

doutp

utto

make

sure

itisw

orkin

gpro

perly

.(3

)Re

ceive

"PAL-

B/G"

signa

l,pre

ssthe

"SOU

NDSY

STEM

"to

selec

tI,D/

K.Ch

eckt

heso

undo

utput

isno

twor

kingp

rope

rly.

Selec

tB/G

andc

heck

theso

undo

utput

toma

kesu

reiti

swor

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rope

rly.

16M.

P.IN

(1)T

urnu

pthe

volum

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trolto

maxim

um,m

akes

uret

heso

undi

shea

rdfro

msp

eake

rs.*N

ote:

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KING

(2)M

akes

ureM

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featur

eiss

etto

ON.

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odel

with

M.P.i

nfea

ture

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lugin

stere

ocab

lein

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nter

mina

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ppea

ratb

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right

corn

erTV

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en,R

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anne

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llbe

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und.

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heck

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ckthe

soun

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ectiv

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inally

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ound

level

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minim

um.

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ckOS

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Page 13: Sharp21AXS888RDEDI

13

13-1

13-2

10. S

HOCK

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CKIN

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MENT

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MENT

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time.

(2)C

heck

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tnot

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gean

dTV

oper

ation

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ateco

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y.

Page 14: Sharp21AXS888RDEDI

14

14

-11

4-2

NO

RAST

ER

Blo

wn

ou

t.

Rep

lace

the

fuse

.

Ch

eck

IC70

1,D

701

and

C70

5.

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fuse

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low

no

ut

agai

n.

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esh

ori

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tal

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uit

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illat

e?

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eck

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pin

(8)

volt

age

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pro

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0Vat

220V

AC

)

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eck

F701

.

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nd

ary

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pp

rox.

125V

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CRT

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wir

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esi

gn

alo

nit

.

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IC10

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in20

.

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185V

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so

nC

RTb

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d.

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eck

IC10

01.

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ng

the

pro

tect

or

circ

uit

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eck

D76

0fo

r8V

reg

ula

tor

circ

uit

,IC

751

for

3.3V

reg

ula

tor

circ

uit

and

IC75

2,D

724,

D72

5fo

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reg

ula

tor

circ

uit

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eck

D75

1,IC

702

and

IC70

3

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eck

NR7

01.

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rmal

No

rmal

Ch

eck

Q60

1,Q

602

and

Q80

3

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OSO

UN

D

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sno

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ois

e.

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esn

ois

eo

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gn

alap

pea

rat

pin

(34)

of

IC10

01?

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ise

incr

ease

sb

ut

no

sig

nal

isre

ceiv

ed.

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eck

the

tun

ersu

pp

lyvo

ltag

eLB

mu

stap

pro

x.5V

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ust

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app

rox.

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nd

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kth

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rese

td

ata.

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eck

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erA

GC

atJA

402.

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eck

IC10

01an

dre

late

dci

rcu

it.

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eck

pin

(1)

of

SF20

1,Tu

ner

and

rela

ted

circ

uit

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hec

kp

in(4

0)at

IC10

01an

dre

late

dci

rcu

it.

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eck

pin

(40)

of

IC10

01,

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eran

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late

dci

rcu

it.

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esth

en

ois

ele

vel

incr

ease

atm

ax.

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ntr

ast,

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gh

tnes

san

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un

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ols

?

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CU

ITS

TOB

EC

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:Tu

ner

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uto

mat

icG

ain

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ntr

ol.

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),(3

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gn

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pea

rat

pin

(45)

and

(46)

of

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01?

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VE

RT

ICA

LS

CA

N Ch

eck

IC5

01

.C

he

ckC

51

1a

nd

C5

16

.

Ch

eck

IC5

01

bia

s.

Page 15: Sharp21AXS888RDEDI

15

15

-11

5-2

Do

es

sig

na

lap

pe

ar

at

pin

s(2

)a

nd

(4)

of

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01

?

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IRC

UIT

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ED

:S

ou

nd

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tect

or

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nd

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mp

in(2

5)

&p

in(2

6)

of

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00

1.

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ITH

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VE

RT

ICA

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OR

HO

RIZ

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YN

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RO

NIZ

AT

ION

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ED

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(20

),(2

1),

(47

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nd

(48

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fIC

10

01

.

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ea

ker.

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eck

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01

an

dp

eri

ph

era

lcir

cuit.

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es

sig

na

lap

pe

ar

at

pin

s(1

1)

an

d(1

2)

of

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80

1?

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na

l)

Ve

rtic

all

ine

ari

tya

nd

size

are

ab

no

rma

l.

DE

FE

CT

IVE

VE

RT

ICA

LA

MP

.A

ND

VE

RT

ICA

LL

INE

AR

ITY

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-ad

just

vert

ica

lsiz

e.

(Bu

sD

ata

)

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eck

R5

03

,R

50

6a

nd

R5

21

.

NO

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EC

IFIC

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LO

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me

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ur

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inB

/Wb

roa

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cep

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?

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hite

ba

lan

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erl

ya

dju

ste

d?

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-ad

just

the

wh

iteb

ala

nce

.

Th

ep

ictu

reco

lou

ris

yello

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ep

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ris

ma

ge

nta

.T

he

pic

ture

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ur

iscy

an

.

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pin

(9)

an

dits

ad

jace

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circ

uits

.C

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ckIC

85

1p

in(8

)a

nd

itsa

dja

cen

tci

rcu

its.

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eck

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pin

(7)

an

dits

ad

jace

nt

circ

uits

.

Ch

eck

IC1

00

1.

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eck

IC1

00

1a

nd

bia

sco

ntr

olc

ircu

it.

NO

CO

LO

UR

“PA

L/

SE

CA

M/

NT

SC

”(N

OC

OL

OU

RS

YN

CH

RO

NIZ

AT

ION

)

Ch

eck

X8

01

(24

.57

6M

Hz)

Page 16: Sharp21AXS888RDEDI

16

WAV E F OR MS

(1) 1.9 Vp-p (H) (2) 2.34 Vp-p (H) (3) 2.09 Vp-p (H) (4) 2.44 Vp-p (H)

(8) 3.97 Vp-p (H)(6) 0.944 Vp-p (V)(6) 5.99 Vp-p (H)(5) 4.43 Vp-p (H)

(9) 42.1 Vp-p (H) (10) 1.102 KVp-p (H) (11) 64.9 Vp-p (V) (12) 1.94 Vp-p (V)

(16) 2.52 Vp-p (H)(15) 5.99 Vp-p (V)(14) 525 Vp-p(13) 156.5 Vp-p (H)

(17) 2.32 Vp-p (H)

(21) 126 Vp-p (H)

(18) 2.63 Vp-p (H) (19) 131.5 Vp-p (H) (20) 112.5 Vp-p (H)

Page 17: Sharp21AXS888RDEDI

17

S OL ID S TAT E DE V IC E B A S E DIA G R A M

Page 18: Sharp21AXS888RDEDI

18

Page 19: Sharp21AXS888RDEDI

19

B L OC K DIA G R A M

C R T UNIT

S HA K IT UNIT

Page 20: Sharp21AXS888RDEDI

2120

B L OC K DIA G R A MMA IN UNIT

Page 21: Sharp21AXS888RDEDI

22

DESCRIPTION OF SCHEMATIC DIAGRAM

NOTES:1. The unit of resistance "ohm" is omitted.

(K = 1000 ohms, M = Mega ohm).2. All resistors are 1/16 watt, unless otherwise noted.3. All capacitors are µF, unless otherwise noted. (P = µµF).

VOLTAGE MEASUREMENT CONDITIONS:1. Voltages in parenthesis measured with no signal.2. Voltages without parenthesis measured with 3mV B & W or Col-

our signal.3. All the voltages in each point are measured with VTVM.

WAVEFORM MEASUREMENT CONDITIONS:1. The colour bar generator signal of 1.0V peak applied at pin (24)

of IC201.2. Approximately 4V AGC bias .

SAFETY NOTES:1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE

REPLACING PARTS.2. SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS

POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OP-ERATING.

IMPORTANT SAFETY NOTICE:PARTS MARKED WITH " " ( ) ARE IMPORTANT FORMAINTAINING THE SAFETY OF THE SET. BE SURE TO RE-PLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAIN-ING THE SAFETY AND PERFORMANCE OF THE SET.

SERVICE PRECAUTION:THE AREA ENCLOSED BY THIS LINE ( ) IS DIRECTLYCONNECTED WITH AC MAINS VOLTAGE.WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANS-FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATEHAZARD OF ELECTRIC SHOCK.

Page 22: Sharp21AXS888RDEDI

23

1 2 3 4 5 6 7 8 9 10

A

B

C

D

E

F

G

H

I

J

S C HE MATIC DIAGR AM: C R T UNIT

Page 23: Sharp21AXS888RDEDI

2524

1 2 3 4 5 6 7 8 9 10

A

B

C

D

E

F

G

H

I

J

11 12 13 14 15 16 17 18 19

SCHEMATIC DIAGRAM: MAIN UNIT

Page 24: Sharp21AXS888RDEDI

26

1 2 3 4 5 6 7 8 9 10

A

B

C

D

E

F

G

H

I

J

S C HE MATIC DIAGR AM: S HAK IT UNIT