Pioneer KEHP-28-R, KEHP-2800-R, KEHP-2830-R Service manual

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 1999

K-ZZB. MAR. 1999 Printed in Japan

ORDER NO.

CRT2264

MULTI CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER

KEH-P2800R X1M/EW

CONTENTS

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

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

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....9

4. PCB CONNECTION DIAGRAM................................20

5. ELECTRICAL PARTS LIST........................................28

6. ADJUSTMENT.........................................................37

7. GENERAL INFORMATION.......................................39

7.1 PARTS ................................................................39

7.1.1 IC...............................................................39

7.1.2 DISPLAY ...................................................42

7.2 DISASSEMBLY ..................................................43

8. OPERATIONS AND SPECIFICATIONS....................44

KEH-P2830R X1M/EW

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.

KEH-P2800R/X1M/EW

KEH-P28R X1M/GR

KEH-P2800R,P2830R,P28R

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

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 repair complex 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 so and refer the repair to a qualified service technician.

KEH-P2800R,P2830R,P28R

- PACKING SECTION PARTS LIST

Part.No

Mark No. Description KEH-P2800R/X1M/EW KEH-P2830R/X1M/EW KEH-P28R/X1M/GR

1 Cord Assy CDE5806 CDE5806 CDE5806 2 Accessory Assy CEA1917 CEA1917 CEA1917 3 Handle CNC5395 CNC5395 CNC5395 4 Bush CNV3930 CNV3930 CNV3930 5 Screw CBA1304 CBA1304 CBA1304

* 6 Polyethylene Bag E36-615 E36-615 E36-615

7 Carton CHG3595 CHG3596 CHG3597 8 Contain Box CHL3595 CHL3596 CHL3597 9 Protector CHP1622 CHP1622 CHP1622

10 Protector CHP1623 CHP1623 CHP1623

11 Polyethylene Bag CEG-162 CEG-162 CEG-162 12 Case Assy CXB3520 CXB3520 CXB3520 13 Owner's Manual CRD2797 CRD2797 CRB1523 14 Owner's Manual CRD2798 CRD2798 Not used 15 Owner's Manual CRD2799 CRD2799 Not used

16 Installation Manual CRD2800 CRD2800 CRB1524 * 17 Passport CRY1013 CRY1013 CRY1013 * 18 Warranty Card CRY1087 CRY1087 CRY1087

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.

- Owner's Manual, Installation Manual

Model Part No. Language KEH-P2800R/X1M/EW CRD2797 English, Spanish KEH-P2830R/X1M/EW CRD2798 French, German

CRD2799 Italian, Dutch CRD2800 English, Spanish, French, German, Italian, Dutch

KEH-P28R/X1M/GR CRB1523 German

CRB1524 German

KEH-P2800R,P2830R,P28R

2.2 EXTERIOR

KEH-P2800R,P2830R,P28R

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

1 Screw BSZ26P050FMC 2 Screw BSZ30P100FMC 3 Cord Assy CDE5806 4 Terminal Cover CKX-003 5 Case CNB2481

6 Screw BSZ30P055FUC 7 Screw BSZ30P060FMC 8 Screw BSZ30P100FMC 9 Holder CNC5704

10 Cushion CNM4870

11 Insulator CNM5025

12 Tuner Amp Unit

See Contrast table(2)

13 Screw BPZ26P080FMC

14 Screw BSZ26P080FMC

15 Screw BSZ26P140FMC

16 FM/AM Tuner Unit

See Contrast table(2)

17 Holder CNC6554

18 Pin Jack(CN401) CKB1035

19 Plug(CN601) CKM1270

20 Connector(CN604) CKS3362

21 Connector(CN602) CKS3408

22 Connector(CN603) CKS3581

23 Antenna Jack(CN301) CKX1056

24 Panel CNB2245

25 Holder CNC5399

26 Holder CNC6216

27 Heat Sink CNC6217

28 Holder CNC6531

29 Holder CNC6845

30 Chassis Unit

See Contrast table(2)

31 Holder Unit CXB2687

32 Button CAC4836

33 Spring CBH1834

34 Spring CBH1835

35 Spring CBH1996

36 Bracket CNC6135

37 Bracket CNC6791

38 Arm CNV4692

39 Arm CNV4693

40 Arm CNV4728

41 Panel Unit

See Contrast table(2)

42 Door See Contrast table(2) 43 Spring CBH1838 44 Panel

See Contrast table(2)

45 Screw IMS20P030FZK

46 Detach Grille Assy

See Contrast table(2)

47 Screw BPZ20P120FZK 48 Button(Detachable) CAC5869 49 Button(EJECT)

See Contrast table(2)

50 Button(REW) See Contrast table(2)

51 Button(FF) See Contrast table(2) 52 Button(F,A,Cross) See Contrast table(2) 53 Button(-,-) See Contrast table(2) 54 Button(1-6,D,B) CAC5881 55 Button(+,-)

See Contrast table(2)

56 Button(SO/OFF,PGM) See Contrast table(2) 57 Spring CBH1836 58 Spring CBH2103 59 Grille Unit

See Contrast table(2)

60 Cover See Contrast table(2)

61 Keyboard Unit See Contrast table(2) 62 LCD(LCD901) CAW1512 63 Connector(CN901) CKS3580 64 Holder CNC8054 65 Connector CNV5586

66 Rubber CNV5587 67 Holder CNV5589 68 Lighting Conductor CNV5752 69 Case Assy CXB3520 70 IC(IC501) TDA7384

71 Fuse(10A)(FU951) CEK1136 72 Transistor(Q804) 2SD2396 73

Cassette Mechanism Assy EXK3450

KEH-P2800R,P2830R,P28R

(2) CONTRAST TABLE KEH-P2800R/X1M/EW, KEH-P2830R/X1M/EW and KEH-P28R/X1M/GR are constructed the same except for the following:

Part No.

Mark No. Description KEH-P2800R/X1M/EW KEH-P2830R/X1M/EW KEH-P28R/X1M/GR

12 Tuner Amp Unit CWM6268 CWM6268 CWM6348 16 FM/AM Tuner Unit CWE1466 CWE1466 CWE1470 30 Chassis Unit CXB3221 CXB3222 CXB3223 41 Panel Unit CXB3714 CXB3716 CXB3714 42 Door CAT2028 CAT2037 CAT2028

44 Panel CNS5211 CNS5212 CNS5211 46 Detach Grille Assy CXB3368 CXB3374 CXB3372 49 Button(EJECT) CAC5870 CAC5871 CAC5870 50 Button(REW) CAC5872 CAC5873 CAC5872 51 Button(FF) CAC5874 CAC5875 CAC5874

52 Button(Cross,A,F) CAC6127 CAC5877 CAC6127 53 Button(-,-) CAC5878 CAC5879 CAC5878 55 Button(+,-) CAC6128 CAC5883 CAC6128 56 Button(SO/OFF,PGM) CAC5884 CAC5885 CAC5884 59 Grille Unit CXB3959 CXB4036 CXB4037

60 Cover CNS5209 CNS5210 CNS5209 61 Keyboard Unit CWM6272 CWM6274 CWM6274

KEH-P2800R,P2830R,P28R

2.3 CASSETTE MECHANISM ASSY

KEH-P2800R,P2830R,P28R

1 Screw BSZ23P050FMC 2 Washer CBG1003 3 Connector(CN1) CKS2829 4 Screw(M2x5) EBA1038 5 Screw(M2x2.5) EBA1037

6 Spring EBH1554 7 Spring EBH1555 8 Spring EBH1556 9 Spring EBH1603

10 Spring EBH1591

11 Spring EBH1559 12 Spring EBH1593 13 Spring EBH1561 14 Spring EBH1562 15 Spring EBH1563

16 Spring EBH1590 17 Spring EBH1565 18 Spring EBH1566 19 Spring EBH1567 20 Spring EBH1568

21 Spring EBH1569 22 Spring EBH1571 23 Spring EBH1579 24 Head Base ENC1475 25 Lever ENC1429

26 Lever ENC1430 27 Lever ENC1431 28 Lever ENC1432 29 Arm ENC1433 30 Arm ENC1434

31 Arm ENC1480 32 Arm ENC1476 33 Bracket ENC1512 34 Lever ENC1523 35 Arm ENC1524

36 Frame ENC1440 37 Holder ENC1441 38 Lever ENC1446 39 Lever ENC1478 40 Belt ENT1027

41 Gear ENV1504 42 Gear ENV1470 43 Gear ENV1517 44 Lever ENV1472 45 Gear ENV1510

46 Gear ENV1475 47 Gear ENV1512 48 Gear ENV1513 49 Gear ENV1502 50 Lever ENV1480

51 Lever ENV1487 52 Pinch Holder Unit EXA1516 53 Arm ENV1519

* 54 PCB ENP1161

55 Switch(EJECT)(S4) ESG1006

56 Switch(FWD/REV)(S3) ESH1006 57 Switch(LOAD)(S1) ESN1016 58 Switch(MUTE)(S2) ESN1017 59 Head Assy(HD1) EXA1466 60 Motor Unit(M1) EXA1467

61 Flywheel Unit EXA1547 62 ••••• 63 Arm Unit EXA1447 64 Arm Unit EXA1448 65 Arm Unit EXA1550

66 Reel Unit EXA1450 67 Pinch Holder ENV1466 68 Pinch Roller ENV1518 69 Pinch Holder ENV1467 70 Pinch Holder Unit EXA1515

71 Chassis Unit EXA1498 72 Arm ENV1524 73 Washer CBF-167 74 Resistor(R1) RD1/4HM472J

75-78 •••••

79 Cover ENC1452 80 ••••• 81 Spring EBH1592 82 Washer CBF1051

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

- CASSETTE MECHANISM ASSY SECTION PARTS LIST

KEH-P2800R,P2830R,P28R

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

- KEH-P2800R/X1M/EW

CASSETTE

PCB

FM/AM TUNER UNIT

CWE1466(/EW)

CWE1470(/GR)

TAPE:-24dBs

KEH-P2800R,P2830R,P28R

234

A-a A-b

A-a

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

3.2 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

TUNER AMP UNIT

KEYBOARD UNIT

GND

+RL-

ANT

BACK

ACC

PGM

TAPE:-25dBs

TAPE:-4dBs

CD:+10dBs FM:+9dBs

MW/LW:-1dBs

TAPE:-4.2dBs

TAPE:+22dBs

KEH-P2800R,P2830R,P28R

A-b

KEH-P2800R,P2830R,P28R

234

FM/AM TUNER UNIT

CWE1466(/EW)

CWE1470(/GR)

A-a

A-b

KEH-P2800R,P2830R,P28R

CASSETTE

PCB

TAPE:-24dBs

A-a

A-b

KEH-P2800R,P2830R,P28R

234

TUNER AMP UNIT

GND

RR+FR+FL

RL-FL-FR-RR

ANT

BACK

ACC

TAPE:-25dBs

TAPE:-4dBs

CD:+10dBs

FM:+9dBs

MW/LW:-1dBs

TAPE:-4.2dBs

TAPE:+22dBs

A-a

A-b

KEH-P2800R,P2830R,P28R

KEYBOARD UNIT

PGM

A-b

A-a

A-b

+ 33 hidden pages