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ORDER NO. CRT2268 KEH-P2800 MULTI-CD CONTROL...

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PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER ELECTRONIC CORPORATION 1998 K-ZZB. DEC. 1998 Printed in Japan ORDER NO. CRT2268 MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER KEH-P2800 X1M/UC Service Manual KEH-P3850 X1M/ES KEH-P2800/X1M/UC NOTE: - See the separate manual CX-644(CRT1800) for the cassette mechanism description. - The cassette mechanism assy employed in this model is one of 2M series. - This service manual does not describe the CD test mode. For the operations in the CD test mode, refer to the CD player's Service Manual. CONTENTS 1. SAFETY INFORMATION ............................................2 2. EXPLODED VIEWS AND PARTS LIST ......................2 3. SCHEMATIC DIAGRAM.............................................8 4. PCB CONNECTION DIAGRAM................................18 5. ELECTRICAL PARTS LIST........................................26 6. ADJUSTMENT .........................................................32 7. GENERAL INFORMATION.......................................34 7.1 PARTS ................................................................34 7.1.1 IC ...............................................................34 7.1.2 DISPLAY ...................................................38 7.2 DISASSEMBLY ..................................................39 7.3 BLOCK DIAGRAM .............................................40 8. OPERATIONS AND SPECIFICATIONS ....................41
Transcript

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER ELECTRONIC CORPORATION 1998 K-ZZB. DEC. 1998 Printed in Japan

ORDER NO.

CRT2268

MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER

KEH-P2800 X1M/UC

ServiceManual

KEH-P3850 X1M/ES

KEH-P2800/X1M/UC

NOTE:

- See the separate manual CX-644(CRT1800) for the cassette mechanism description.

- The cassette mechanism assy employed in this model is one of 2M series.

- This service manual does not describe the CD test mode.

For the operations in the CD test mode, refer to the CD player's Service Manual.

CONTENTS

1. SAFETY INFORMATION............................................2

2. EXPLODED VIEWS AND PARTS LIST ......................2

3. SCHEMATIC DIAGRAM.............................................8

4. PCB CONNECTION DIAGRAM................................18

5. ELECTRICAL PARTS LIST........................................26

6. ADJUSTMENT.........................................................32

7. GENERAL INFORMATION.......................................34

7.1 PARTS ................................................................34

7.1.1 IC ...............................................................34

7.1.2 DISPLAY ...................................................38

7.2 DISASSEMBLY ..................................................39

7.3 BLOCK DIAGRAM .............................................40

8. OPERATIONS AND SPECIFICATIONS....................41

2

KEH-P2800,P3850

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

36

10

29

8

7

54

14

1

20

11

15

13

12

18

19

16

17

1. SAFETY INFORMATION

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repaircomplex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do soand refer the repair to a qualified service technician.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state ofCalifornia to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65

3

KEH-P2800,P3850

NOTE:

- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.

- Screws adjacent to ∇ mark on the product are used for disassembly.

- PACKING SECTION PARTS LIST

Part.NoMark No. Description KEH-P2800/X1M/UC KEH-P3850/X1M/ES

1 Cord Assy CDE5805 CDE58052 Spring CBH1650 CBH16503 Screw Assy CEA2351 CEA23514 Screw CBA1304 CBA1304

* 5 Polyethylene Bag CEG-127 CEG-127

6 Screw(x4) CRZ50P090FMC CRZ50P090FMC7 Screw(x4) TRZ50P080FMC TRZ50P080FMC

* 8 Polyethylene Bag CEG-158 CEG-1589 Handle(x2) CNC5395 CNC5395

10 Bush CNV3930 CNV3930

11 Polyethylene Bag CEG1173 CEG-16212 Carton CHG3598 CHG359913 Contain Box CHL3598 CHL359914 Protector CHP1622 CHP162215 Protector CHP1623 CHP1623

16 Owner’s Manual CRD2804 CRD280117 Owner’s Manual Not used CRD280218 Installation Manual CRD2805 CRD2803

* 19 Card ARY1048 Not used20 Case Assy CXB3520 CXB3520

- Owner's Manual, Installation ManualModel Part No. LanguageKEH-P2800/X1M/UC CRD2804 English,French,Spanish

CRD2805 English,French,SpanishKEH-P3850/X1M/ES CRD2801 English,Spanish,Portuguese(B)

CRD2802 Chinese,ArabicCRD2803 English,Spanish,Portuguese(B),Chinese,Arabic

4

KEH-P2800,P3850

2.2 EXTERIOR

5

KEH-P2800,P3850

1 Screw BSZ26P050FMC2 Screw BSZ30P100FMC3 Cord Assy CDE58054 Case CNB24815 Panel CNS5214

6 Screw BSZ30P055FUC7 Screw BSZ30P060FMC8 Screw BSZ30P100FMC9 Holder CNC5704

10 Cushion CNM4870

11 Insulator CNM502512 Tuner Amp Unit See Contrast table(2)13 Screw BPZ26P080FMC14 Screw BSZ26P080FMC15 Screw BSZ26P140FMC

16 FM/AM Tuner Unit See Contrast table(2)17 Holder CNC655418 Pin Jack(CN401) CKB103519 Plug(CN601) CKM127020 Connector(CN604) CKS3362

21 Connector(CN602) CKS340822 Connector(CN603) CKS358123 Antenna Jack(CN301) CKX105624 Panel CNB224525 Holder CNC5399

26 Holder CNC621627 Heat Sink CNC621728 Holder CNC653129 Holder CNC684530 Chassis Unit CXA9851

31 Holder Unit CXB268732 Button CAC483633 Spring CBH183434 Spring CBH183535 Spring CBH1996

36 Bracket CNC613537 Bracket CNC679138 Arm CNV469239 Arm CNV469340 Arm CNV4728

41 Panel Unit CXB371542 Door CAT202843 Spring CBH183844 Screw IMS20P030FZK45 Detach Grille Assy See Contrast table(2)

46 Screw BPZ20P120FZK47 Button(Detachable) CAC586848 Button(Eject) CAC587049 Button(REW) CAC587250 Button(FF) CAC5874

51 Button(F,A,Cross) CAC587652 Button(-,-) CAC587853 Button(1-6,D,B) CAC588054 Button(+,-) CAC588255 Button(SO/OFF,PGM) CAC5884

56 Spring CBH183657 Spring CBH210358 Grille See Contrast table(2)59 Cover CNS520960 Keyboard Unit CWM6273

61 LCD(LCD901) CAW151362 Connector(CN901) CKS358063 Holder CNC805464 Connector CNV558665 Rubber CNV5587

66 Holder CNV558967 Lighting Conductor CNV575268 Case Assy CXB352069 Transistor(Q804) 2SD239670 Cassette Mechanism Assy EXK3450

71 Fuse(FU951)(10A) CEK113672 IC(IC501) TDA7384

* 73 Cord See Contrast table(2)

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

(2) CONTRAST TABLE

KEH-P2800/X1M/UC and KEH-P3850/X1M/ES are constructed the same except for the following:

Part No.Mark No. Description KEH-P2800/X1M/UC KEH-P3850/X1M/ES

12 Tuner Amp Unit CWM6276 CWM634916 FM/AM Tuner Unit CWE1467 CWE148645 Detach Grille Assy CXB3369 CXB337558 Grille CNS5200 CNS5201

* 73 Cord CDC1043 Not used

6

KEH-P2800,P3850

2.3 CASSETTE MECHANISM ASSY

7

KEH-P2800,P3850

1 Screw BSZ23P050FMC2 Washer CBG10033 Connector(CN1) CKS28294 Screw(M2x5) EBA10385 Screw(M2x2.5) EBA1037

6 Spring EBH15547 Spring EBH15558 Spring EBH15569 Spring EBH1603

10 Spring EBH1591

11 Spring EBH155912 Spring EBH159313 Spring EBH156114 Spring EBH156215 Spring EBH1563

16 Spring EBH159017 Spring EBH156518 Spring EBH156619 Spring EBH156720 Spring EBH1568

21 Spring EBH156922 Spring EBH157123 Spring EBH157924 Head Base ENC147525 Lever ENC1429

26 Lever ENC143027 Lever ENC143128 Lever ENC143229 Arm ENC143330 Arm ENC1434

31 Arm ENC148032 Arm ENC147633 Bracket ENC151234 Lever ENC152335 Arm ENC1524

36 Frame ENC144037 Holder ENC144138 Lever ENC144639 Lever ENC147840 Belt ENT1027

41 Gear ENV150442 Gear ENV147043 Gear ENV151744 Lever ENV147245 Gear ENV1510

46 Gear ENV147547 Gear ENV151248 Gear ENV151349 Gear ENV150250 Lever ENV1480

51 Lever ENV148752 Pinch Holder Unit EXA151653 Arm ENV1519

* 54 PCB ENP116155 Switch(Eject)(S4) ESG1006

56 Switch(FWD)(REV)(S3) ESH100657 Switch(Load)(S1) ESN101658 Switch(Mute)(S2) ESN101759 Head Assy(HD1) EXA146660 Motor Unit(M1) EXA1467

61 Flywheel Unit EXA154762 •••••63 Arm Unit EXA144764 Arm Unit EXA144865 Arm Unit EXA1550

66 Reel Unit EXA145067 Pinch Holder ENV146668 Pinch Roller ENV151869 Pinch Holder ENV146770 Pinch Holder Unit EXA1515

71 Chassis Unit EXA149872 Arm ENV152473 Washer CBF-16774 Resistor(R1) RD1/4HM472J

75-78 •••••

79 Cover ENC145280 •••••81 Spring EBH159282 Washer CBF1051

Mark No. Description Part No. Mark No. Description Part No.

- CASSETTE MECHANISM ASSY SECTION PARTS LIST

8

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

A-a A-b

A-a A-b

A-b A-a

Large sizeSCH diagram

Guide page

Detailed page

A-a

A

FM/AM TUNER UNITCWE1467(/UC)CWE1486(/ES)

CASSETTEPCB

24dBs

220

B

D

D

9

KEH-P2800,P38505 6 7 8

A

B

C

D

5 6 7 8

A

A-bTUNER AMP UNIT

KEYBOARD UNIT

TAPE:-25dBs TAPE:-4dBs FM:+5dBs AM:-1dBs CD:+10dBs

TAPE:22dBs

B PGM

A

C

C

10

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

A-a

A-a

A-b

FM/A

M T

UN

ER

UN

ITC

WE

1467

(/U

C)

CW

E14

86(/

ES

)

B

11

KEH-P2800,P38505 6 7 8

A

B

C

D

5 6 7 8A-a

A-a

A-b

CA

SS

ET

TE

PC

B24

dB

s

220

D

D

12

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

A-a

A-b

A-b

TU

NE

R A

MP

UN

IT

TA

PE

:-25

dB

sT

AP

E:-

4dB

s

FM

:+5d

Bs

A

M:-

1dB

s

CD

:+10

dB

s

TA

PE

:22d

Bs

A

13

KEH-P2800,P38505 6 7 8

A

B

C

D

5 6 7 8

A-b

A-a

A-b

KE

YB

OA

RD

UN

IT

BP

GM

C

C

14

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

3.2 FM/AM TUNER UNIT

B

3

1

2

FM/AM TUNER

D1

D2

RD

39JS

RD

39JS

R1

R2

2R2M

2R2M

D6

MA

157

- CWE1467 (KEH-P2800/X1M/UC)

B

15

KEH-P2800,P38505 6 7 8

A

B

C

D

5 6 7 8

B

NER UNIT IFC

A

16

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

B

3

1

2

FM/AM TUNER

D1

D2

RD

39JS

RD

39JS

R1

R2

2R2M

2R2M

D6

MA

157

- CWE1486 (KEH-P3850/X1M/ES)

B

17

KEH-P2800,P38505 6 7 8

A

B

C

D

5 6 7 8

B

NER UNIT IFC

A

18

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

ACN901

TUNER AMP UNIT

4. PCB CONNECTION DIAGRAM

4.1 TUNER AMP UNIT

NOTE FOR PCB DIAGRAMS

1. The parts mounted on this PCB

include all necessary parts for

several destination.

For further information for

respective destinations, be sure

to check with the schematic

diagram.

2. Viewpoint of PCB diagrams

CapacitorConnector

P.C.Board Chip Part

SIDE A

SIDE B

A

C

CORD ASSY

19

KEH-P2800,P38505 6 7 8

A

B

C

D

5 6 7 8

D

A

CN1

B

SIDE A

2

1

3

IP-BUS

20

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

A

A TUNER AMP UNIT

21

KEH-P2800,P38505 6 7 8

A

B

C

D

5 6 7 8

A

SIDE B

22

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

4.2 FM/AM TUNER UNIT

CO

RD

CD

C10

43(/

UC

On

ly)

To

A

nte

nn

aJa

ck

BSIDE A

B

A

FM/A

M T

UN

ER

UN

IT

23

KEH-P2800,P38501 2 3 4

A

B

C

D

1 2 3 4

B

SIDE B

B

FM/A

M T

UN

ER

UN

IT

KEH-P2800,P3850

A

1 2 3 4

B

C

D

1 2 3 4

SO

UR

CE

PG

M

VO

L+

VO

L-D

12

34

56

BAF

LOU

DC

LOC

K

4.3 KEYBOARD UNIT

C

CK

EY

BO

AR

D U

NIT

24

CN

603

A

SIDE BSIDE A

CK

EY

BO

AR

D U

NIT

25

KEH-P2800,P38501 2 3 4

A

B

C

D

1 2 3 4

D

D CASSETTE PCB

4.4 CASSETTE MECHANISM ASSY

1 3 5 7 9

2 4 6 8 10

CN1S3

FWD/REV SW

S4EJECT SW

R1

S2MUTE SW

D1

S1LOAD SW

M

M1MOTOR

RR

FR

FL

RL

FWD/REVPB HEAD

HD1

CN604A

D 615 Diode 1SS270D 616 Diode 1SS270D 801 Diode 1SR139-400D 802 Diode 1SR139-400D 803 Diode 1SR139-400

D 804 Diode MA8056(H)D 805 Diode MA8091(M)D 806 Diode 1SR139-400D 807 Diode 1SR139-400L 301 Ferri-Inductor LAU101K

L 302 Ferri-Inductor LAU2R2KL 601 Ferri-Inductor LAU101KL 602 Ferri-Inductor LAU101KL 603 Ferri-Inductor LAU101KL 604 Ferri-Inductor LAU2R2K

L 951 Choke Coil 600mH CTH1168X 301 Crystal Resonator 7.200MHz CSS1379X 601 Ceramic Resonator 4.194MHz CSS1047FU 801 Fuse 2A CEK1176

FM/AM TunerUnit (KEH-P2800/X1M/UC)CWE1467

FM/AM TunerUnit (KEH-P3850/X1M/ES) CWE1486

RESISTORS

R 201 RS1/10S273JR 202 RS1/10S273JR 203 RS1/10S104JR 204 RS1/10S104JR 205 RS1/10S472J

R 206 RS1/10S472JR 207 RS1/10S470JR 208 RS1/10S470JR 209 RS1/10S273JR 210 RS1/10S273J

R 301 RS1/10S152JR 302 RS1/10S152JR 305 (KEH-P3850/X1M/ES) RS1/10S182JR 306 RD1/4PU222JR 307 RS1/8S222J

R 308 RS1/8S222JR 309 RS1/10S102JR 310 (KEH-P2800/X1M/UC) RS1/10S0R0JR 311 RS1/8S102JR 312 RD1/4PU0R0J

R 314 RS1/8S392JR 315 RS1/10S392JR 316 RS1/10S152JR 317 RS1/10S103JR 318 RS1/10S0R0J

R 320 RS1/10S472JR 321 RS1/10S472JR 322 RS1/10S152JR 323 RS1/10S472JR 324 RD1/4PU102J

26

KEH-P2800,P3850

5. ELECTRICAL PARTS LIST

NOTE:

- Parts whose parts numbers are omitted are subject to being not supplied.

- The part numbers shown below indicate chip components.

Chip Resistor

RS1/_S___J,RS1/__S___J

Chip Capacitor (except for CQS.....)

CKS....., CCS....., CSZS.....

Unit Number : CWM6276 (KEH-P2800/X1M/UC)Unit Number : CWM6349 (KEH-P3850/X1M/ES)Unit Name : Tuner Amp Unit

MISCELLANEOUS

IC 201 IC LA3161PIC 301 IC PM2006AIC 401 IC SN761029DLIC 501 IC TDA7384IC 601 IC PE5015A

IC 602 IC S-80734ANIC 603 IC CA0008AMIC 801 IC TPD1018FQ 301 Transistor 2SC1740SQ 401 Transistor DTC143TK

Q 402 Transistor DTC143TKQ 403 Transistor DTA124EKQ 501 Transistor DTC124ESQ 502 Transistor DTC124ESQ 601 Transistor DTC143TS

Q 602 Transistor DTC124ESQ 603 Transistor 2SC1740SQ 606 Transistor DTC114EKQ 607 Transistor 2SA1037KQ 611 Transistor 2SC1740S

Q 612 Transistor 2SC2412KQ 613 Transistor 2SC2412KQ 801 Transistor 2SD2037Q 802 Transistor 2SB1243Q 803 Transistor 2SC2412K

Q 804 Transistor 2SD2396Q 805 Transistor 2SA1048Q 806 Transistor 2SC2412KQ 807 Transistor 2SA1674Q 808 Transistor 2SC2412K

Q 809 Transistor 2SA933SQ 810 Transistor 2SB1242Q 811 Transistor DTC143TKD 201 Diode 1SS270D 301 Diode 1SS270

D 302 Diode 1SS270D 601 Diode 1SS270D 602 Diode HZS7L(A1)D 603 Diode 1SS270D 604 Diode 1SS270

D 605 Diode 1SS270D 606 Diode 1SS270D 607 Diode 1SS270D 608 Diode 1SS270D 609 Diode 1SS270

D 610 Diode 1SS270D 611 Diode 1SS270D 612 Diode HZS9L(A2)D 613 Diode HZS7L(C3)D 614 Diode HZS7L(A1)

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

A

27

KEH-P2800,P3850

R 326 RD1/4PU0R0JR 328 RS1/10S182JR 332 RS1/10S103JR 333 RS1/8S393JR 334 RD1/4PU562J

R 335 RD1/4PU472JR 336 RD1/4PU473JR 338 RD1/4PU104JR 339 RS1/10S473JR 340 RS1/10S473J

R 341 RS1/10S681JR 342 RS1/10S681JR 343 RD1/4PU681JR 344 RD1/4PU681JR 345 RD1/4PU222J

R 346 RS1/8S472JR 349 RD1/4PU102JR 350 (KEH-P2800/X1M/UC) LCTBR39K2125

(KEH-P3850/X1M/ES) RS1/10S510JR 351 RS1/10S0R0J

R 352 RS1/10S0R0JR 353 RS1/10S0R0JR 354 RD1/4PU102JR 355 RS1/8S0R0JR 401 RD1/4PU0R0J

R 402 RD1/4PU0R0JR 403 RS1/10S272JR 404 RS1/10S272JR 405 RS1/10S151JR 406 RS1/10S151J

R 407 RS1/10S0R0JR 408 RS1/10S0R0JR 409 RS1/10S821JR 410 RS1/10S821JR 411 RS1/10S223J

R 412 RS1/10S223JR 501 RD1/4PU103JR 502 RS1/10S153JR 503 RS1/10S221JR 504 RS1/10S101J

R 505 RS1/8S103JR 601 (KEH-P3850/X1M/ES) RS1/10S473JR 602 (KEH-P2800/X1M/UC) RS1/8S473J

(KEH-P3850/X1M/ES) RS1/8S223JR 606 RS1/10S0R0J

R 608 RD1/4PU221JR 613 RS1/10S473JR 614 RS1/10S473JR 615 RS1/10S222JR 616 RS1/10S222J

R 617 RS1/10S222JR 618 RD1/4PU103JR 619 RS1/8S473JR 620 RS1/10S473JR 621 RD1/4PU104J

R 622 RS1/10S473JR 623 RD1/4PU473JR 624 RS1/10S332JR 625 RS1/10S102JR 630 RD1/4PU152J

R 631 RS1/10S102JR 632 RS1/10S124JR 633 RS1/10S102JR 634 RS1/10S102JR 635 RS1/10S102J

R 636 RD1/4PU473JR 637 RD1/4PU473JR 638 RS1/10S101JR 639 RS1/10S101JR 640 RS1/10S620J

R 641 RS1/10S221JR 642 RS1/10S221JR 643 RS1/10S223JR 644 RS1/10S223JR 645 RS1/10S102J

R 646 RS1/10S102JR 649 RS1/10S223JR 650 RS1/8S472JR 651 RD1/4PU222JR 655 RS1/10S223J

R 656 RS1/10S103JR 657 RD1/4PU472JR 658 RS1/10S473JR 659 RS1/10S223JR 660 RD1/4PU473J

R 661 RS1/10S473JR 662 RD1/4PU223JR 663 RD1/4PU473JR 664 RS1/10S222JR 665 RS1/10S102J

R 667 RD1/4PU103JR 670 RS1/8S0R0JR 673 RS1/10S0R0JR 801 RD1/4PU102JR 802 RS1/10S472J

R 803 RS1/10S101JR 804 RD1/4PU332JR 805 RS1/10S103JR 806 RD1/4PU102JR 807 RD1/4PU122J

R 808 RS1/10S103JR 809 RS1/10S102JR 810 RD1/4PU473JR 812 RS1/10S103JR 813 RS1/10S102J

R 814 RS1/10S473JR 816 RS1/10S472JR 817 RS1/10S223JR 818 RS1/10S222JR 819 RS1/10S472J

R 820 RD1/4PU102JR 821 RD1/4PU1R5JR 822 RD1/4PU1R5JR 823 RD1/4PU1R0JR 824 RS1/10S103J

R 825 RS1/10S103J

CAPACITORS

C 201 CKSQYB681K50C 202 CKSQYB681K50C 203 CEJA2R2M50C 204 CEJA2R2M50C 205 CKSQYB333K50

C 206 CKSQYB333K50C 207 CEJA101M10C 208 CEJA101M10C 209 CEJA1R0M50C 210 CEJA1R0M50

C 211 CEJA101M10C 301 CKSQYB473K50C 302 CKSQYB473K50C 303 CKSQYB223K50C 304 CCSQCH101J50

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

28

KEH-P2800,P3850

C 307 CKSQYB103K50C 308 CCSQCH101J50C 309 (KEH-P3850/X1M/ES) CKPUYY103M16C 311 CCSQCH101J50C 313 CKSQYB223K50

C 314 CKSQYB473K50C 315 CEJA220M6R3C 316 CKSQYB103K50C 317 CKSQYB103K50C 318 CKSQYB102K50

C 319 CEJA220M10C 320 CCSQCH150J50C 321 CCSQCH150J50C 325 4.7µF/16V CCH1250C 326 CKSQYB103K50

C 328 CKLSR473K16C 331 CKSQYB104K16C 332 CEJA220M6R3C 333 CKSQYB103K50C 334 CEJA220M6R3

C 335 CKSQYB103K50C 336 CKSQYB223K50C 337 CKSQYB103K50C 340 CFTLA154J50C 341 CKSQYB103K50

C 342 CKSQYB473K50C 343 CKSQYB102K50C 401 CEJA2R2M50C 402 CEJA2R2M50C 403 CEJA100M16

C 404 CEJA100M16C 405 CKSQYB822K50C 406 CKSQYB822K50C 407 CEJA1R0M50C 408 CEJA1R0M50

C 409 CKSQYB183K50C 410 CKSQYB183K50C 411 CKSQYB104K16C 412 CKSQYB104K16C 413 CKSQYB104K16

C 414 CKSQYB104K16C 415 CEJA100M16C 416 CEJA2R2M50C 417 CKSQYB473K50C 418 CKSQYB104K16

C 419 CEJA470M10C 420 CEJA2R2M50C 421 CEJA2R2M50C 422 CEJA2R2M50C 501 CKSYB224K16

C 502 CKSYB224K16C 503 CKSYB224K16C 504 CKSYB224K16C 505 CEJA1R0M50C 506 CKSYB105K16

C 507 CEJA100M16C 508 CEJA330M10C 510 CKSQYB104K16C 601 CCSQCH101J50C 602 CEJA4R7M35

C 604 CCSQCH101J50C 606 CKSQYB104K16C 607 CKSQYB224K16C 608 CEJA2R2M50C 609 CKSQYB102K50

C 610 CKSQYB104K16C 611 CEJA1R0M50C 612 CEJA1R0M50C 613 CEJA1R0M50C 614 CEJA1R0M50

C 620 CCSQCH101J50C 621 CCSQCH101J50C 623 CKSQYB102K50C 801 3300µF/16V CCH1018C 802 470µF/16V CCH1183

C 803 CKSQYB102K50C 804 CKSQYB473K50C 805 CEJA101M10C 806 CKSQYB103K50C 807 330µF/10V CCH1181

C 808 CKSQYB103K50C 809 CKSQYB104K16C 811 100µF/16V CCH1179

Unit Number : CWM6273Unit Name : Keyboard Unit

MISCELLANEOUS

IC 901 IC PD6293AD 901 Diode STZ6R2NL 901 Ferri-Inductor LAU101KX 901 Ceramic Resonator 4.97MHz CSS1422IL 901 Lamp 14V 40mA CEL1547

IL 902 Lamp 14V 40mA CEL1547IL 903 Lamp 14V 40mA CEL1547IL 904 Lamp 14V 40mA CEL1547LCD 901 LCD CAW1513

RESISTORS

R 901 RS1/10S222JR 902 RS1/10S222JR 903 RS1/10S472JR 906 RS1/10S473JR 907 RS1/10S473J

R 908 RS1/10S473JR 909 RS1/10S473JR 910 RS1/10S473JR 911 RS1/10S473JR 912 RS1/10S473J

R 913 RS1/10S0R0JR 915 RS1/10S0R0J

CAPACITORS

C 901 CEAL100M16C 904 CKSQYB104K16C 905 CKSQYB102K50C 906 CCSCH101J50

Unit Number : CWE1467 (KEH-P2800/X1M/UC)Unit Name : FM/AM Tuner Unit

MISCELLANEOUS

IC 1 IC PA4023BIC 2 IC PA4024AQ 1 Transistor 2SC2412KQ 2 Transistor DTC124EUQ 3 FET 3SK263

Q 31 Transistor 2SC2412KQ 201 FET 2SK932Q 202 Transistor 2SC2412KQ 203 Transistor DTC124EUD 1 Diode RD39JS

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

C

B

29

KEH-P2800,P3850

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

D 2 Diode RD39JSD 4 Diode 1SV250D 5 Diode KV1410-F1D 6 Diode MA157D 7 Diode KV1410-F1

D 8 Diode KV1410-F1D 201 Diode MA157D 202 Diode MA157D 231 Diode SVC253L 2 Coil CTC1133

L 3 Inductor LCTB2R2K2125L 4 Coil CTC1133L 5 Coil CTC1132L 51 Ferri-Inductor LAU150KL 201 Ferri-Inductor LAU4R7K

L 202 Ferri-Inductor LAU330KL 203 Inductor CTF1287L 208 Inductor LAU121KL 231 Inductor LCTA3R3J3225T 31 Coil CTE1117

T 51 Coil CTC1159CF 51 Ceramic Filter CTF1441CF 52 Ceramic Filter CTF1441CF 53 Ceramic Filter CTF1441CF 232 Ceramic Filter CTF1348

X 151 Radiator 918.5Hz CSS1365X 231 Crystal Resonator 10.26MHz CSS1111VR 154 Semi-fixed 150kΩ(B) CCP1213

RESISTORS

R 1 RS1/16S225JR 2 RS1/16S225JR 4 RS1/16S154JR 5 RS1/16S391JR 6 RS1/16S223J

R 7 RS1/16S123JR 8 RS1/16S332JR 9 RS1/16S473JR 10 RS1/16S223JR 11 RS1/16S124J

R 13 RS1/16S563JR 15 RS1/16S271JR 16 RS1/16S104JR 17 RS1/16S332JR 18 RS1/16S332J

R 31 RS1/16S470JR 32 RS1/16S822JR 33 RS1/16S822JR 34 RS1/16S331JR 35 RS1/16S331J

R 51 RS1/16S271JR 52 RS1/16S560JR 55 RS1/16S102JR 56 RS1/16S823JR 61 RS1/16S392J

R 62 RS1/16S273JR 101 RS1/16S272JR 102 RS1/16S682JR 103 RS1/16S333JR 104 RS1/16S334J

R 105 RS1/16S683JR 107 RS1/16S222JR 151 RS1/16S222JR 152 RS1/16S393JR 155 RS1/16S273J

R 156 RS1/16S243JR 157 RS1/16S203JR 160 RS1/16S222JR 161 RS1/16S563JR 162 RS1/16S105J

R 163 RS1/16S223JR 202 RS1/16S223JR 203 RS1/16S225JR 204 RS1/16S103JR 206 RS1/16S220J

R 207 RS1/16S101JR 208 RS1/16S102JR 209 RS1/16S471JR 214 RS1/16S822JR 215 RS1/16S822J

R 217 RS1/16S102JR 231 RS1/16S272JR 232 RS1/16S473JR 237 RS1/16S103JR 238 RS1/16S104J

R 239 RS1/16S104JR 240 RS1/16S332JR 241 RS1/16S202JR 243 RS1/16S183JR 244 RS1/16S392J

R 247 RS1/16S123J

CAPACITORS

C 1 CCSQCH6R0D50C 2 CCSRCK2R0C50C 4 CCSRCH820J50C 6 CCSRCH820J50C 8 CKSRYB103K25

C 9 CKSQYB104K16C 10 CCSRCKR50C50C 11 CEJA1R0M50C 12 CKSRYB222K50C 13 CKSRYB222K50

C 14 CCSRCH220J50C 15 CCSRCH6R0D50C 16 CCSRCH8R0D50C 17 CKSRYB222K50C 18 CKSRYB103K25

C 19 CKSRYB222K50C 20 CKSRYB222K50C 21 CEJA100M16C 22 CCSRTH9R0D50C 23 CCSRTH120J50

C 24 CCSRCH471J50C 25 CKSRYB103K25C 26 CCSRCH101J50C 31 CKSRYB103K25C 32 CKSQYB472K50

C 33 CCSRCH5R0C50C 34 CKSQYB104K16C 36 CCSRRH201J50C 51 CKSRYB223K25C 52 CKSRYB103K25

C 54 CCSRCH470J50C 55 CKSQYB223K25C 56 CKSQYB104K16C 57 CKSRYB472K50C 58 CEJA330M10

C 59 CKSRYB103K25C 60 CKSRYB102K50C 61 CCSRCH270J50C 62 CKSRYB103K25C 63 CEJAR22M50

C 101 CEJANP100M10C 102 CKSRYB182K50C 103 CKSRYB682K25C 104 CEJA2R2M50C 105 CKSRYB103K25

30

KEH-P2800,P3850

C 106 CCSRCH151J50C 107 CKSRYB103K25C 151 CKSRYB472K50C 152 CKSQYB104K16C 153 CEJA3R3M50

C 154 CKSQYB104K16C 157 CEJA3R3M50C 158 CKSYB474K16C 159 CEJA220M6R3C 160 CKSQYB104K16

C 161 CKSQYB104K16C 162 CEJA3R3M50C 163 CKSRYB102K50C 170 CCSRCH100D50C 201 CCSRCH471J50

C 202 CCSRCH100D50C 203 CKSRYB332K50C 204 CKSQYB473K16C 205 CKSQYB473K16C 206 CKSQYB104K16

C 207 CCSRCH560J50C 209 CKSQYB104K16C 211 CCSRCH101J50C 212 CEJA470M6R3C 213 CKSRYB103K25

C 216 CCSRCH101J50C 217 CEJA1R5M50C 219 CCSRCH471J50C 220 CKSRYB103K25C 230 CKSRYB103K25

C 231 CCSRCH330J50C 232 CCSRCH150J50C 233 CKSQYB104K16C 234 CEJA330M10C 235 CKSRYB332K50

C 236 CKSQYB473K16C 237 CCSRCH120J50C 239 CKSRYB472K50C 240 CEJAR47M50C 241 CKSQYB104K16

C 242 CEJAR47M50C 243 CEJAR33M50C 244 CKSQYB473K16C 245 CKSRYB333K16C 246 CKSQYB473K16

C 250 CCSRCH471J50

Unit Number : CWE1486 (KEH-P3850/X1M/ES)Unit Name : FM/AM Tuner Unit

MISCELLANEOUS

IC 1 IC PA4023BIC 2 IC PA4024AQ 1 Transistor 2SC2412KQ 2 Transistor DTC124EUQ 3 FET 3SK263

Q 31 Transistor 2SC2412KQ 201 FET 2SK932Q 202 Transistor 2SC2412KQ 203 Transistor DTC124EUD 1 Diode RD39JS

D 2 Diode RD39JSD 4 Diode 1SV250D 5 Diode KV1410-F1D 6 Diode MA157D 7 Diode KV1410-F1

D 8 Diode KV1410-F1D 201 Diode MA157D 202 Diode MA157D 231 Diode SVC253L 2 Coil CTC1133

L 3 Inductor LCTB2R2K2125L 4 Coil CTC1133L 5 Coil CTC1132L 6 Inductor LCTBR15K1608L 51 Ferri-Inductor LAU150K

L 201 Ferri-Inductor LAU4R7KL 202 Ferri-Inductor LAU330KL 203 Inductor CTF1287L 208 Inductor LAU121KL 231 Inductor LCTA3R3J3225

T 31 Coil CTE1117T 51 Coil CTC1159CF 51 Ceramic Filter CTF1441CF 52 Ceramic Filter CTF1441CF 53 Ceramic Filter CTF1441

CF 232 Ceramic Filter CTF1348X 151 Radiator 918.5Hz CSS1365X 231 Crystal Resonator 10.26MHz CSS1111VR 154 Semi-fixed 150kΩ(B) CCP1213

RESISTORS

R 1 RS1/16S225JR 2 RS1/16S225JR 4 RS1/16S154JR 5 RS1/16S391JR 6 RS1/16S223J

R 7 RS1/16S123JR 8 RS1/16S332JR 9 RS1/16S473JR 10 RS1/16S223JR 11 RS1/16S124J

R 13 RS1/16S563JR 15 RS1/16S271JR 16 RS1/16S104JR 17 RS1/16S332JR 18 RS1/16S332J

R 31 RS1/16S470JR 32 RS1/16S822JR 33 RS1/16S822JR 34 RS1/16S331JR 35 RS1/16S331J

R 51 RS1/16S271JR 52 RS1/16S560JR 55 RS1/16S102JR 56 RS1/16S823JR 61 RS1/16S392J

R 62 RS1/16S273JR 101 RS1/16S272JR 102 RS1/16S682JR 103 RS1/16S333JR 104 RS1/16S334J

R 105 RS1/16S683JR 107 RS1/16S222JR 151 RS1/16S222JR 152 RS1/16S393JR 155 RS1/16S273J

R 156 RS1/16S243JR 157 RS1/16S203JR 160 RS1/16S222JR 161 RS1/16S563JR 162 RS1/16S105J

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

B

31

KEH-P2800,P3850

R 163 RS1/16S223JR 202 RS1/16S223JR 203 RS1/16S225JR 204 RS1/16S103JR 206 RS1/16S220J

R 207 RS1/16S101JR 208 RS1/16S102JR 209 RS1/16S471JR 214 RS1/16S822JR 215 RS1/16S822J

R 217 RS1/16S102JR 231 RS1/16S272JR 232 RS1/16S473JR 237 RS1/16S103JR 238 RS1/16S104J

R 239 RS1/16S104JR 240 RS1/16S332JR 241 RS1/16S202JR 243 RS1/16S183JR 244 RS1/16S392J

R 247 RS1/16S123J

CAPACITORS

C 1 CCSQCH6R0D50C 2 CCSRCK2R0C50C 4 CCSRCH820J50C 6 CCSRCH820J50C 8 CKSRYB103K25

C 9 CKSQYB104K16C 10 CCSRCKR50C50C 11 CEJA1R0M50C 12 CKSRYB222K50C 13 CKSRYB222K50

C 14 CCSRCH220J50C 15 CCSRCH6R0D50C 16 CCSRCH8R0D50C 17 CKSRYB222K50C 18 CKSRYB103K25

C 19 CKSRYB222K50C 20 CKSRYB222K50C 21 CEJA100M16C 22 CCSRTH9R0D50C 23 CCSRTH120J50

C 24 CCSRCH471J50C 25 CKSRYB103K25C 31 CKSRYB103K25C 32 CKSQYB472K50C 33 CCSRCH5R0C50

C 34 CKSQYB104K16C 36 CCSRRH201J50C 51 CKSRYB223K25C 52 CKSRYB103K25C 54 CCSRCH470J50

C 55 CKSQYB223K25C 56 CKSQYB104K16C 57 CKSRYB472K50C 58 CEJA330M10C 59 CKSRYB103K25

C 60 CKSRYB102K50C 61 CCSRCH270J50C 62 CKSRYB103K25C 63 CEJAR22M50C 101 CEJANP100M10

C 102 CKSRYB182K50C 103 CKSRYB682K25C 104 CEJA2R2M50C 105 CKSRYB103K25C 106 CCSRCH151J50

C 107 CKSRYB103K25C 151 CKSRYB472K50C 152 CKSQYB104K16C 153 CEJA3R3M50C 154 CKSQYB104K16

C 157 CEJA3R3M50C 158 CKSYB474K16C 159 CEJA220M6R3C 160 CKSQYB104K16C 161 CKSQYB104K16

C 162 CEJA3R3M50C 163 CKSRYB102K50C 170 CCSRCH100D50C 201 CCSRCH471J50C 202 CCSRCH100D50

C 203 CKSRYB332K50C 204 CKSQYB473K16C 205 CKSQYB473K16C 206 CKSQYB104K16C 207 CCSRCH560J50

C 209 CKSQYB104K16C 211 CCSRCH101J50C 212 CEJA470M6R3C 213 CKSRYB103K25C 216 CCSRCH101J50

C 217 CEJA1R5M50C 219 CCSRCH471J50C 220 CKSRYB103K25C 230 CKSRYB103K25C 231 CCSRCH330J50

C 232 CCSRCH150J50C 233 CKSQYB104K16C 234 CEJA330M10C 235 CKSRYB332K50C 236 CKSQYB473K16

C 237 CCSRCH120J50C 239 CKSRYB472K50C 240 CEJAR47M50C 241 CKSQYB104K16C 242 CEJAR47M50

C 243 CEJAR33M50C 244 CKSQYB473K16C 245 CKSRYB333K16C 246 CKSQYB473K16C 250 CCSRCH471J50

Unit Number :Unit Name : Cassette PCB

S 1 Switch(Load) ESN1016S 2 Switch(Mute) ESN1017S 3 Switch(FWD/REV) ESH1006S 4 Switch(Eject) ESG1006R 1 RD1/4HM472J

Miscellaneous Parts List

M 1 Motor Unit EXA1467HD 1 Head Assy EXA1466FU 951 Fuse 10A CEK1136

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------

D

32

KEH-P2800,P3850

6. ADJUSTMENT

- Connection Diagram

FM/A

M T

UN

ER

UN

IT

Lch +

Lch -

Rch +

Rch -

BACK UP

ACC

GND

+14.4V

GND

Antenna

mV Meter (1) Oscilloscope

DC RegulatedPower Supply

TUNER AMP UNIT

50Ω(75Ω)

FM SSGStereoModulator

50Ω(37.5Ω)Antenna

Dummy Antenna

FM/AM TUNER UNIT (TOP VIEW)

T31

T51

C63

T51 CenterMeter

FM/AM TUNER UNIT (BOTTOM VIEW)

Pin1

Pin13

Pin14

Pin 19

Pin26L2

L4

L5

VR154

DC VMeter(1)

33

KEH-P2800,P3850

FM ADJUSTMENT

Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.)

S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)

NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow

the circuits to stabilize.

FM ADJUSTMENT(UC MODEL)

FM SSG Displayed Adjustment Adjustment Method

No. Frequency(MHz) Level(dBf) Frequency(MHz) Point (Switch Position)

TUN Volt 1 ••••• ••••• 107.9 L5 DC V Meter(1) : 6V

IF 2 98.1 M 60—100 98.1 T51 Center Meter : 0

ANT Coil 3 98.1 M 5 98.1 L2 mV Meter(1) : Maximum

RF Coil 4 98.1 M 5 98.1 L4 mV Meter(1) : Maximum

IFT 5 98.1 M 5 98.1 T31 mV Meter(1) : Maximum

(STEREO MODE)

ARC 6 98.1 S 40 98.1 VR154 mV Meter(1) : Separation 5dB

(STEREO MODE)

FM ADJUSTMENT(ES MODEL)

FM SSG Displayed Adjustment Adjustment Method

No. Frequency(MHz) Level(dBf) Frequency(MHz) Point (Switch Position)

TUN Volt 1 ••••• ••••• 108.0 L5 DC V Meter(1) : 6V

IF 2 98.1 M 60—100 98.1 T51 Center Meter : 0

ANT Coil 3 98.1 M 5 98.1 L2 mV Meter(1) : Maximum

RF Coil 4 98.1 M 5 98.1 L4 mV Meter(1) : Maximum

IFT 5 98.1 M 5 98.1 T31 mV Meter(1) : Maximum

(STEREO MODE)

ARC 6 98.1 S 40 98.1 VR154 mV Meter(1) : Separation 5dB

(STEREO MODE)

34

KEH-P2800,P3850

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC

SN761029DL

4847

4645

4443

4241

4039

3837

3635

3433

3231

3029

2827

2625

12

34

56

78

910

1112

1314

1516

1718

1920

2122

2324

VCCAVcc

IN1-RIN1-L

IN2-RIN2-L

IN3-RIN3-L

IN4(+)-RIN4(+)-L

IN4(-)-RIN4(-)-L

AGNDAGND

SWout-RSWout-L

ZCin-RZCin-L

LOUD-RLOUD-L

VRin-RVRin-L

TREB-RTREB-L

BASS-C1-RBASS-C1-L

BASS-R-RBASS-R-L

BASS-C2-RBASS-C2-L

NCNC

TONEout-RTONEout-L

FADERin-RFADERin-L

FRNTout-RFRNTout-L

REARout-RREARout-L

DVccVREFin

DATAAGND

CLKDGND

STBCt

3 Line S

erial Bu

s

Bass

Treb

le V

olu

me,

Lou

dn

ess Fad

er

Gain

Ad

just

Isolato

r

Zero

-cross

Detecto

r

Po

wer

Su

pp

ly

Bass

Treb

le V

olu

me,

Lou

dn

ess Fad

er

Gain

Ad

just

Isolato

r

Po

wer

Su

pp

ly

A

A

35

KEH-P2800,P3850

- Pin Functions(PE5015A)Pin No. Pin Name I/O Format Function and Operation

1,2 NC Not used3 ADPW A/D converter power4 GND GND

5,6 NC Not used7 AVREF1 (Connect to VDD)8 KYDT I Key data input9 DPDT O C Display data output

10 dsens I Grille detach sense input11 TUNPDI I PLL IC data input12 TUNPDO O C PLL IC data output13 TUNPCK O C PLL IC clock output14 TUNPCE O C PLL IC chip enable output

15,16 NC Not used17 TX O C IP BUS data output

18–21 NC Not used22 swvdd O C Grille power supply control output23 NC Not used24 VDT O C Data output for electronic volume25 VCK O C Clock output for electronic volume26 VST O C Strobe pulse output for electronic volume27 SYSPW O C System power supply control output28 mute O C System mute output29 DMINH O C Mechanism mute cancel output

30–32 NC Not used33 GND GND

34–37 NC Not used38 FM O C FM power control output39 AM O C AM power control output40 ASENBO O C Slave power supply control output

41–49 NC Not used50 eject I Eject key input51 tapld I Tape loading input52 MECPW O C Cassette mechanism power output53 mcmut I Mechanism mute input54 NOR/rev I Normal reverse input

55-59 NC Not used60 reset I Reset input61 RX I IP BUS data input62 NC Not used63 CLKIN I Clock input64 asens I ACC power sense input65 bsens I Back up power sense input66 SD I SD input 67 st I FM stereo input68 VDD Power supply69 X2 Oscillator output70 X1 Oscillator input71 GND GND72 NC Not used73 TESTIN I Test program mode input74 AVDD A/D converter analog power supply (VDD)75 AVREF0 (A/D converter standard voltage input)76 SL I Signal level input77 MODEL I Model select input

78–80 NC Not used

36

KEH-P2800,P3850

- Pin Functions (PD6293A)Pin No. Pin Name I/O Function and Operation

1–5 SEG4-0 O LCD segment output 4-06–8 COM1-3 O Common driver output 1-3

9 COM0 O Common driver output 010 LCDB LCD bias power supply

11–14 KS3-0 O Key strobe output 3-015,16 KDT0,1 I Key data input 0,1

17 REM I Remote control reception18 DPDT I Display data input19 NC Not used20 KYDT O Key data output21 MODA GND22 X0 Crystal oscillator connection pin23 X1 Crystal oscillator connection pin24 VSS GND

25,26 KDT2,3 I Key data input 2,327,28 KST5,4 O Key strobe output 5,429–55 SEG39-13 O LCD segment output 39-13

56 VCC 5V57–64 SEG12-5 O LCD segment output 12-5

IC's marked by* are MOS type.

Be careful in handling them because they are very

liable to be damaged by electrostatic induction.

801

20

21 40

41

60

61

*PE5015A

Format Meaning

C C MOS

*PD6293A

49

4833

32

17

16 1

64

37

KEH-P2800,P3850

PA4023B

38

KEH-P2800,P3850

7.1.2 DISPLAY

- CAW1513

SE

GM

EN

T

CO

MM

ON

39

KEH-P2800,P3850

7.2 DISASSEMBLY

- Removing the Tuner Amp Unit(Fig.2)

Removing the two screws.

Removing the three screws.

Removing the screw.

Unbend the tabs at four locations indicated

by arrow until straight.

Remove the Tuner Amp Unit.

- Removing the Case(not shown)

1.Remove the three screws.

2.Remove the Case.

- Removing the Cassette Mechanism Assy

(not shown)

1.Remove the four screws.

2.Disconnect the connector, and then removing the

Cassette Mechanism Assy.

- Removing the Panel Unit(Fig.1)

Disengage the stopper at two locations

indicated

Remove the Panel Unit.

Fig.1

Fig.2

Panel Unit

Tuner Amp Unit

KEH-P2800,P3850

7.3 EXPLANATION

7.3.1 BLOCK DIAGRAM

- KEH-P2800/X1M/UC

AB

D

C40

41

KEH-P2800,P3850

8. OPERATIONS AND SPECIFICATIONS

Fuse

+

Th

is U

nit

An

ten

na

jack

Rea

r o

utp

ut

Mu

lti-

CD

pla

yer

(so

ld s

epar

atel

y)

To t

erm

inal

alw

ays

sup

plie

d w

ith

po

wer

reg

ard

less

of

ign

itio

n s

wit

ch p

osi

tio

n.

To e

lect

ric

term

inal

co

ntr

olle

d b

y ig

nit

ion

swit

ch (

12 V

DC

) O

N/O

FF.

Co

nn

ecti

ng

co

rds

wit

h

RC

A p

in p

lug

s(s

old

sep

arat

ely)

Blu

e/w

hit

eS

yste

m r

emo

teco

ntr

ol

To s

yste

m c

on

tro

l ter

min

alo

f th

e p

ow

er a

mp

or

Au

to-

ante

nn

a re

lay

con

tro

l ter

mi-

nal

.(M

ax. 3

00 m

A 1

2 V

DC

)

Rea

rR

ear

+ ≠

Use

th

is f

or

con

nec

tio

ns

wh

en y

ou

hav

e th

e se

pa-

rate

ly a

vaila

ble

am

plif

ier.

To v

ehic

le (

met

al)

bo

dy.

+

Rea

rR

ear

+ ≠

+

Left

sp

eake

rR

igh

t sp

eake

r

Fro

nt

Fro

nt

+ ≠

Bla

ck

Red

Yello

w

Wh

ite

Wh

ite/

bla

ck

Gra

y

Gra

y/b

lack

Gre

en

Gre

en/b

lack

Vio

let/

bla

ck

Vio

let

Wit

h a

2 s

pea

ker

syst

em,

con

nec

t to

th

e 2

spea

k-er

s in

th

e fr

on

t o

r th

e re

ar.

Po

wer

am

p(s

old

sep

arat

ely)

Co

nn

ecti

on

Dia

gra

m

CA

UT

ION

•C

ord

s fo

r th

is u

nit

an

d t

ho

se f

or

oth

er u

nit

s m

ay b

e d

iffe

ren

t co

lors

even

if t

hey

hav

e th

e sa

me

fun

ctio

n. W

hen

co

nn

ecti

ng

th

isu

nit

to

an

oth

er u

nit

, ref

er t

o t

he

sup

plie

d In

stal

lati

on

man

ual

s o

fb

oth

un

its

and

co

nn

ect

cord

s th

ath

ave

the

sam

e fu

nct

ion

.

42

KEH-P2800,P3850

Key

Fin

der

Cas

sette

door

Eje

ctbu

tton

LO

UD

butto

n

CL

OC

Kbu

tton

Func

tion

butto

n

SOU

RC

Ebu

tton

+/–

butto

ns

AU

DIO

butto

n

BA

ND

butto

n

But

tons

1–6

DIS

PLA

Ybu

tton

Det

ach

butto

n

Prog

ram

mab

lebu

tton

5/∞

/2/3

butto

ns

!/⁄

butto

nsB

asic

Ope

ratio

n of

Cas

sette

Pla

yer

1.In

sert

the

cas

sett

e ta

pe.

2.Sw

itch

tap

e pl

ayba

ck f

rom

sid

e A

to

side

B, o

r vi

ce v

ersa

.

3.R

aise

or

low

er t

he v

olum

e.

4.R

emov

e th

e ca

sset

te t

ape.

Not

e:•

The

Tap

e fu

nctio

n ca

n be

turn

ed O

N/O

FF w

ith th

e ca

sset

te ta

pe r

emai

ning

in th

ispr

oduc

t.

Sam

e T

ime

Usi

ng th

e C

asse

tte P

laye

r

43

KEH-P2800,P3850

Tun

er O

pera

tion

Bas

ic O

pera

tion

of T

uner

1.Se

lect

Tun

er.

Freq

uenc

y ap

pear

s on

the

disp

lay.

(“

STE

RE

O”

indi

cato

r lig

hts

whe

n a

ster

eo s

tatio

n is

sel

ecte

d.)

2.Se

lect

the

des

ired

ban

d.

3.Tu

ne t

he r

ecei

ver

to a

hig

her

or lo

wer

fre

quen

cy.

Thi

s pr

oduc

t’s tu

ner

lets

you

sel

ect t

he tu

ning

by

chan

ging

the

leng

th o

f th

etim

e yo

u pr

ess

the

butto

n.

Man

ual T

unin

g (s

tep

by s

tep)

0.3

seco

nds

or le

ss

Seek

Tun

ing

0.3

– 2

seco

nds

Man

ual T

unin

g (c

ontin

uous

ly)

2 se

cond

s or

mor

e

Not

e:•

To s

elec

t a w

eak

broa

dcas

ting

stat

ion

that

can

not b

e tu

ned

in w

ith th

e Se

ekT

unin

g fu

nctio

n, tu

ne in

with

Man

ual T

unin

g.

FI=

FII=

FIII

=A

M

Eac

h pr

ess

chan

ges

the

Sour

ce ..

.

Tun

er O

pera

tion

4.R

aise

or

low

er t

he v

olum

e.

5.Tu

rn t

he s

ourc

e O

FF.

Ente

ring

the

Func

tion

Men

uIn

this

men

u yo

u ca

n se

lect

tune

r fu

nctio

ns.

•Se

lect

the

des

ired

mod

e in

Fun

ctio

n M

enu.

Eac

h pr

ess

of th

e Fu

nctio

n bu

tton

sele

cts

the

mod

e in

the

follo

win

g or

der:

BSM

=L

OC

AL

Not

e:•

You

can

can

cel t

he F

unct

ion

Men

u by

pre

ssin

g th

e B

AN

D b

utto

n.•

Aft

er s

elec

ting

the

Func

tion

Men

u, if

you

do

not p

erfo

rm a

n op

erat

ion

with

inab

out 3

0 se

cond

s, th

e Fu

nctio

n M

enu

is a

utom

atic

ally

can

cele

d.

Eac

h pr

ess

chan

ges

the

Mod

e ...

Hol

d fo

r 1

seco

nd

44

KEH-P2800,P3850

Thi

s pr

oduc

t can

con

trol

a C

D p

laye

r (o

ne d

isc

only

).

Bas

ic O

pera

tion

of C

D P

laye

r

1.Se

lect

the

CD

pla

yer

sour

ce.

Not

e:•

The

CD

pla

yer

is s

elec

ted

only

whe

n a

CD

is lo

aded

.•

If th

e C

D p

laye

r ca

nnot

ope

rate

pro

perl

y, a

n er

ror

mes

sage

suc

h as

“E

RR

OR

14”

is d

ispl

ayed

. Ref

er to

the

CD

pla

yer

owne

r’s

man

ual.

2.R

ever

se o

r ad

vanc

e tr

ack

by t

rack

.

3.R

aise

or

low

er t

he v

olum

e.

4.Tu

rn t

he s

ourc

e O

FF.

Trac

k Se

arch

and

Fas

t-fo

rwar

d/Re

vers

eB

esid

es T

rack

Sea

rch

conv

enie

nce

whe

n se

arch

ing

for

a de

sire

d tr

ack,

this

unit

also

lets

you

fas

t-fo

rwar

d an

d re

vers

e th

roug

h tr

acks

to f

ind

a de

sire

dph

rase

or

sect

ion

of m

usic

.

Hol

d fo

r 1

seco

nd

Eac

h pr

ess

chan

ges

the

Sour

ce ..

.

Usi

ng C

D P

laye

r (o

ne d

isc

only

)U

sing

Mul

ti-C

D P

laye

rs

Thi

s pr

oduc

t can

con

trol

one

or

mor

e m

ulti-

CD

pla

yers

.

Bas

ic O

pera

tion

of M

ulti-

CD P

laye

rs

1.Se

lect

the

mul

ti-C

D p

laye

r so

urce

.

Not

e:•

The

mul

ti-C

D p

laye

r m

ay p

erfo

rm a

pre

para

tory

ope

ratio

n, s

uch

as v

erif

ying

the

pres

ence

of

a di

sc o

r re

adin

g di

sc in

form

atio

n, w

hen

the

pow

er is

turn

ed O

N o

r a

new

dis

c is

sel

ecte

d fo

r pl

ayba

ck. “

RE

AD

Y”

is d

ispl

ayed

.•

If th

e m

ulti-

CD

pla

yer

cann

ot o

pera

te p

rope

rly,

an

erro

r m

essa

ge s

uch

as

“ER

RO

R 1

4” is

dis

play

ed. R

efer

to th

e m

ulti-

CD

pla

yer

owne

r’s

man

ual.

2.Se

lect

the

des

ired

dis

c.

3.R

ever

se o

r ad

vanc

e tr

ack

by t

rack

.

4.R

aise

or

low

er t

he v

olum

e.

5.Tu

rn t

he s

ourc

e O

FF.

Hol

d fo

r 1

seco

nd

Eac

h pr

ess

chan

ges

the

Sour

ce ..

.

45

KEH-P2800,P3850

Aud

io A

djus

tmen

t

Sele

ctin

g th

e M

ode

•Se

lect

the

mod

e yo

u w

ant

to a

djus

t.

Eac

h pr

ess

of th

e A

UD

IO b

utto

n se

lect

s th

e m

ode

in th

e fo

llow

ing

orde

r:Fa

der/

Bal

ance

=B

ass

=T

rebl

e =

Lou

dnes

s

Whe

n au

dio

mod

es a

re s

elec

ted

for

adju

stm

ent,

the

setti

ng r

etur

ns to

the

norm

al d

ispl

ay a

fter

30

seco

nds.

Bal

ance

Adj

ustm

ent

Thi

s fu

nctio

n al

low

s yo

u to

sel

ect a

Fad

er/B

alan

ce s

ettin

g th

at p

rovi

des

idea

l lis

teni

ng c

ondi

tions

in a

ll oc

cupi

ed s

eats

.

1.Se

lect

the

Fad

er/B

alan

ce m

ode.

Aft

er a

djus

tmen

t use

the

BA

ND

but

ton

to r

etur

n to

the

norm

al d

ispl

ay.

2.Sh

ift

the

bala

nce

prog

ress

ivel

y to

the

fro

nt o

r re

ar s

peak

ers.

“FA

D F

15”

– “F

AD

R15

” is

dis

play

ed a

s it

mov

es f

rom

fro

nt to

rea

r.

Not

e:•

“FA

D 0

0” is

the

prop

er s

ettin

g w

hen

2 sp

eake

rs a

re in

use

.

3.Sh

ift

the

bala

nce

to t

he le

ft o

r ri

ght

spea

ker,

res

pect

ivel

y.

“BA

L L

9” –

“B

AL

R9”

is d

ispl

ayed

as

it m

oves

fro

m le

ft to

rig

ht.

Eac

h pr

ess

chan

ges

the

Mod

e ...

Bas

s/Tr

eble

Adj

ustm

ent

Thi

s pr

oduc

t is

equi

pped

with

two

tone

adj

ustm

ent m

odes

, the

Bas

sA

djus

tmen

t and

Tre

ble

Adj

ustm

ent m

odes

.

1.Se

lect

“B

ass

Adj

ustm

ent

mod

e” o

r “T

rebl

e A

djus

tmen

t m

ode”

.A

fter

adj

ustm

ent u

se th

e B

AN

D b

utto

n to

ret

urn

to th

e no

rmal

dis

play

.

2.In

crea

se o

r de

crea

se t

he in

tens

ity

of t

he b

ass

or t

rebl

e,w

hich

ever

is s

elec

ted.

The

dis

play

sho

ws

“+6”

– “

–6”.

3.R

epea

t st

eps

1 –

2 ab

ove

for

the

othe

r B

ass

or T

rebl

eA

djus

tmen

t m

ode.

Loud

ness

Adj

ustm

ent

The

Lou

dnes

s fu

nctio

n co

mpe

nsat

es f

or d

efic

ienc

ies

in th

e lo

w a

nd h

igh

soun

d ra

nges

at l

ow v

olum

e.

•Sw

itch

the

Lou

dnes

s fu

ncti

on O

N o

r O

FF.

Not

e:•

You

can

als

o sw

itch

the

Lou

dnes

s fu

nctio

n O

N/O

FF in

the

Aud

io A

djus

tmen

tM

enu.

“LO

UD

KEH-P2800,P3850

Spec

ific

atio

ns (

KE

H-P

2800

/X1M

/UC

)

Gen

eral

Pow

er s

ourc

e ...

......

.14.

4 V

DC

(10.

8 –

15.1

V a

llow

able

)G

roun

ding

sys

tem

....

......

......

......

......

......

......

Neg

ativ

e ty

peM

ax. c

urre

nt c

onsu

mpt

ion

......

......

......

......

......

......

....8

.5 A

Dim

ensi

ons

(DIN

)(c

hass

is)

......

178

(W) ×

50 (H

) ×15

0 (D

) mm

[7 (W

) ×2

(H) ×

5-7/

8 (D

) in.

](n

ose)

....

......

..18

8 (W

) ×58

(H) ×

19 (D

) mm

[7-3

/8 (W

) ×2-

1/4

(H) ×

3/4

(D) i

n.]

(D)

(cha

ssis

) ...

...17

8 (W

) ×50

(H) ×

155

(D) m

m[7

(W) ×

2 (H

) ×6-

1/8

(D) i

n.]

(nos

e) .

......

.....

170

(W) ×

48 (H

) ×14

(D) m

m[6

-3/4

(W) ×

1-7/

8 (H

) ×1/

2 (D

) in.

]W

eigh

t ...

......

......

......

......

......

......

......

......

.....

1.2

kg (2

.6 lb

s)

Am

plifi

erC

ontin

uous

pow

er o

utpu

t is

17 W

per

cha

nnel

min

. int

o 4

ohm

s. b

oth

chan

nels

driv

en 5

0 to

15,

000

Hz

with

no

mor

eth

an 5

% T

HD

.M

axim

um p

ower

out

put

......

......

......

......

......

......

..40

W ×

4Lo

ad im

peda

nce

......

......

......

......

..4

Ω(4

– 8

Ωal

low

able

)Pr

eout

max

imum

out

put l

evel

/out

put i

mpe

danc

e ...

......

......

......

......

......

......

......

......

......

......

...2.

2 V

/1 k

ΩTo

ne c

ontro

ls(B

ass)

....

......

......

......

......

......

......

......

±12

dB (1

00 H

z)(T

rebl

e) ..

......

......

......

......

......

......

......

±12

dB (1

0 kH

z)Lo

udne

ss c

onto

ur .

......

.+10

dB

(100

Hz)

, +7

dB (1

0 kH

z)(v

olum

e: –

30 d

B)

Cass

ette

pla

yer

Tape

....

......

......

......

..C

ompa

ct c

asse

tte ta

pe (C

-30

– C

-90)

Tape

spe

ed

......

4.76

cm

/sec

.(+0.

14 c

m/s

ec.,-

0.05

cm/s

ec.)

Fast

forw

ard/

rew

indi

ng ti

me

......

App

rox.

90

sec.

for C

-60

Wow

& fl

utte

r ...

......

......

......

......

......

......

...0.

13%

(WR

MS)

Freq

uenc

y re

spon

se ..

......

......

......

..40

– 1

4,00

0 H

z (±

3 dB

)St

ereo

sep

arat

ion

......

......

......

......

......

......

......

......

......

45 d

BSi

gnal

-to-n

oise

ratio

....

......

......

....5

2 dB

(IH

F-A

net

wor

k)

FM tu

ner

Freq

uenc

y ra

nge

......

......

......

......

......

......

87.9

– 1

07.9

MH

zU

sabl

e se

nsiti

vity

......

......

......

11 d

Bf (

1.0

µV/7

5 Ω

, mon

o, S

/N: 3

0 dB

)50

dB

qui

etin

g se

nsiti

vity

...

.16

dBf (

1.7

µV/7

5 Ω

, mon

o)Si

gnal

-to-n

oise

ratio

....

......

......

......

70 d

B (I

HF-

A n

etw

ork)

Dis

torti

on .

......

......

......

......

.0.3

% (a

t 65

dBf,

1 kH

z, st

ereo

)Fr

eque

ncy

resp

onse

.....

......

......

.....

30 –

15,

000

Hz

(±3

dB)

Ster

eo se

para

tion

......

......

......

......

..40

dB

(at 6

5 dB

f, 1

kHz)

Sele

ctiv

ity...

......

......

......

......

......

......

......

......

.70

dB (2

AC

A)

Thre

e-si

gnal

inte

rmod

ulat

ion

(des

ire s

igna

l lev

el)

......

......

......

30 d

Bf (

two

unde

sire

si

gnal

leve

l: 10

0 dB

f)

AM

tune

rFr

eque

ncy

rang

e ...

......

......

......

......

......

.....

530

– 1,

710

kHz

Usa

ble

sens

itivi

ty

......

......

......

......

......

18 µ

V (S

/N: 2

0 dB

)Se

lect

ivity

...

......

......

......

......

......

......

......

......

......

......

.50

dB

Not

e:•

Spec

ific

atio

ns a

nd th

e de

sign

are

sub

ject

topo

ssib

le m

odif

icat

ion

with

out n

otic

e du

e to

impr

ovem

ents

.

Spec

ific

atio

ns (

KE

H-P

3850

/X1M

/ES)

Gen

eral

Pow

er s

ourc

e ...

......

.14.

4 V

DC

(10.

8 –

15.1

V a

llow

able

)G

roun

ding

sys

tem

....

......

......

......

......

......

......

Neg

ativ

e ty

peM

ax. c

urre

nt c

onsu

mpt

ion

......

......

......

......

......

......

....8

.5 A

Dim

ensi

ons

(DIN

)(c

hass

is)

......

178

(W) ×

50 (H

) ×15

0 (D

) mm

(nos

e) .

......

.....

188

(W) ×

58 (H

) ×19

(D) m

m(D

)(c

hass

is)

......

178

(W) ×

50 (H

) ×15

5 (D

) mm

(nos

e) .

......

.....

170

(W) ×

48 (H

) ×14

(D) m

mW

eigh

t ...

......

......

......

......

......

......

......

......

......

......

......

.1.2

kg

Am

plifi

erC

ontin

uous

pow

er o

utpu

t is

17 W

per

cha

nnel

min

. int

o 4

ohm

s. b

oth

chan

nels

driv

en 5

0 to

15,

000

Hz

with

no

mor

eth

an 5

% T

HD

.M

axim

um p

ower

out

put

......

......

......

......

......

......

..40

W ×

4C

ontin

uous

pow

er o

utpu

t ...

......

......

......

......

......

...17

W ×

4(1

% d

ist.

at 1

kH

z)Lo

ad im

peda

nce

......

......

......

......

..4

Ω(4

– 8

Ωal

low

able

)Pr

eout

max

imum

out

put l

evel

/out

put i

mpe

danc

e ...

......

......

......

......

......

......

......

......

......

......

...2.

2 V

/1 k

ΩTo

ne c

ontro

ls(B

ass)

.....

......

......

......

......

......

...+

8 - -

16

dB (1

00 H

z)(T

rebl

e) ..

......

......

......

......

......

......

......

±12

dB (1

0 kH

z)Lo

udne

ss c

onto

ur .

......

.+10

dB

(100

Hz)

, +7

dB (1

0 kH

z)(v

olum

e: –

30 d

B)

Cass

ette

pla

yer

Tape

....

......

......

......

..C

ompa

ct c

asse

tte ta

pe (C

-30

– C

-90)

Tape

spe

ed

......

4.76

cm

/sec

.(+0.

14 c

m/s

ec.,-

0.05

cm/s

ec.)

Fast

forw

ard/

rew

indi

ng ti

me

......

App

rox.

90

sec.

for C

-60

Wow

& fl

utte

r ...

......

......

......

......

......

......

...0.

13%

(WR

MS)

Freq

uenc

y re

spon

se ..

......

......

......

..40

– 1

4,00

0 H

z (±

3 dB

)St

ereo

sep

arat

ion

......

......

......

......

......

......

......

......

......

45 d

BSi

gnal

-to-n

oise

ratio

....

......

......

....5

2 dB

(IH

F-A

net

wor

k)

FM tu

ner

Freq

uenc

y ra

nge

......

......

......

......

......

......

..87

.5 –

108

MH

zU

sabl

e se

nsiti

vity

......

......

......

11 d

Bf (

1.0

µV/7

5 Ω

, mon

o, S

/N: 3

0 dB

)50

dB

qui

etin

g se

nsiti

vity

...

.16

dBf (

1.7

µV/7

5 Ω

, mon

o)Si

gnal

-to-n

oise

ratio

....

......

......

......

70 d

B (I

EC-A

net

wor

k)D

isto

rtion

....

......

......

......

....0

.3%

(at 6

5 dB

f, 1

kHz,

ster

eo)

Freq

uenc

y re

spon

se ..

......

......

......

..30

– 1

5,00

0 H

z (±

3 dB

)St

ereo

sepa

ratio

n ...

......

......

......

.....

40 d

B (a

t 65

dBf,

1 kH

z)

AM

tune

rFr

eque

ncy

rang

e ...

......

......

......

...53

1 –

1,60

2 kH

z (9

kH

z)53

0 - 1

,710

kHz

(10

kHz)

Usa

ble

sens

itivi

ty

......

......

......

......

......

18 µ

V (S

/N: 2

0 dB

)Se

lect

ivity

.....

......

......

......

......

......

......

......

...50

dB

(±9

kHz)

50dB

(±10

kH

z)

Not

e:•

Spec

ific

atio

ns a

nd th

e de

sign

are

sub

ject

topo

ssib

le m

odif

icat

ion

with

out n

otic

e du

e to

impr

ovem

ents

.


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