PIONEER KEH-P4020, KEH-P4022, KEH-P4025 Service Manual

PIONEER CORPORATION

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

PIONEER CORPORATION 2001

ORDER NO

CRT2763

K-ZZT. NOV. 2001 Printed in Japan

1. SAFETY INFORMATION 2

2. EXPLODED VIEWS AND PARTS LIST 2

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 8

4. PCB CONNECTION DIAGRAM 18

5. ELECTRICAL PARTS LIST 27

6.ADJUSTMENT 32

7. GENERAL INFORMATION 33

7.1 DIAGNOSIS 33

7.1.1 DISASSEMBLY 33

7.1.2 CONNECTOR FUNCTION DESCRIPTION 34

7.2 PARTS 35

7.2.1 IC 35

7.2.2 DISPLAY 40

7.3 OPERATIONAL FLOW CHART 41

8. OPERATIONS AND SPECIFICATIONS 42

CONTENTS

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

- This service manual should be used together with the following manual(s):

Model No. Order No. Mech. Module Remarks

CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment

NOTE:

- 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-P4020 XM/UC

KEH-P4022 XM/EE KEH-P4025 XM/ES

1. SAFETY INFORMATION

- KEH-P4020/XM/UC

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.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which ar California to caruse cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

NOTE

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

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

1 Carton CZH5581 2 Owner’s Manual CZR2944 3 Installation Manual CZR2945

* 4 Card ARY1048

5 Case Assy CXB3520 6 Cord Assy CZD2976

7 Protector CZH5591 8 Protector CZH5592 9 Polyethylene Bag CEG1173

* 10 Accessory Assy CZE2956

* 11 Polyethylene Bag CZE2908

12 Bush CNV3930 13 Spring CBH1650 14 Handle CNC5395 15 Holder CNC9450

* 16 Screw Assy CZE2957

17 Screw CBA1002 18 Screw BPZ20P060FZK 19 Screw TRZ50P080FMC 20 Screw CRZ50P080FMC

* 21 Polyethylene Bag CEG-127

22 Contain Box CZH5582

KEH-P4022/XM/EE Mark No. Description Part No. Mark No. Description Part No.

1 Carton CZH5585 2 Owner’s Manual CZR2948 3 Installation Manual CZR2949 4 Warranty Card CRY1157 5 Case Assy CXB3520

6 Cord Assy CZD2976 7 Protector CZH5591 8 Protector CZH5592 9 Polyethylene Bag CZE2903

* 10 Accessory Assy CEA3062

* 11 Polyethylene Bag CZE2908

12 Bush CNV3930 13

.....

14 Handle CNC5395 15 Holder CNC9450

.....

17 Screw CBA1002 18 Screw BPZ20P060FZK 19

.....

*21

.....

22 Contain Box CZH5586

Owner's Manual,Installation Manual

Part No.

CZR2944 CZR2945 CZR2946 CZR2947 CZR2948 CZR2949

English, French, Spanish English, French, Spanish English, Spanish, Portuguese(B), China, Arabic English, Spanish, Portuguese(B), China, Arabic English, Russian English, Russian

Language

- PACKING SECTION PARTS LIST

KEH-P4020/XM/UC

KEH-P4025/XM/ES Mark No. Description Part No. Mark No. Description Part No.

1 Carton CZH5583 2 Owner’s Manual CZR2946 3 Installation Manual CZR2947 4

.....

5 Case Assy CXB3520 6 Cord Assy CZD2976

7 Protector CZH5591 8 Protector CZH5592 9 Polyethylene Bag CZE2903

* 10 Accessory Assy CZE2955

* 11 Polyethylene Bag CZE2908

12 Bush CNV3930 13 Spring CBH1650 14 Handle CNC5395 15

.....

16 Screw Assy CZE2953 17 Screw CBA1002 18

.....

19 Screw TRZ50P080FMC 20 Screw CRZ50P080FMC

* 21 Polyethylene Bag CEG-127

22 Contain Box CZH5584

2.2 EXTERIOR

1 Case CZN6794 * 2 Label CZA5543 * 3 Grille Unit

See Contrast table(2) 4 Cover CZN6804 5 Holder CNV6506

6 Spring CBH2431 7 Spring CBH2430 8 Holder CNV6505 9 Screw BPZ20P100FZK

10 Keyboard Unit

See Contrast table(2)

11 Connector(CN900) CZK2948 12 Sheet CZN6808 13 Rubber CZN6806 14 Contact CZN6807 15 Lighting Conductor CZN6809

16 Light Plate CZN6810 17 LCD(LCD900) CZA5561 18 Holder CZN6811 19 Grille Assy CZX5530 20 Button(VOL) CZA5544

21 Button(LOCAL) CZA5550 22 Button(PRESET) CZA5551 23 Button(EQ) CZA5545 24 Button(BSM) CZA5549 25 Spring CZB2980

26 Button(RELEASE) CZA5552 27 Button(CROSS) CZA5548 28 Button(LOUD) CZA5546 29 Sheet CZN6833 30 Plate Assy CZX5525

31 Plate Assy

See Contrast table(2)

32 Panel PCB Unit CZW5526 33 Connector(CN850) CZK2950 34 Connector(CN851) CZK2947 35 Holder CZN6799

36 Holder Unit CXB6357 37 Spring CZB2981 38 Door CAT2109 39 Button(EJECT) CZA5553 40 Panel Assy CZX5519

41 Screw IMS20P045FZK 42 Screw(M2x2) CBA1176 43 Damper Unit CXB5070 44 Washer CBF1039 45 Spring CBH2429

46 Arm CZN6827 47 Holder Unit CXB6356 48 Clutch Unit CXB6358 49 Washer CBF1038

50 Gear CNV6507 51 Spring CBH2428 52 Panel CNS6332 53

Cassette Mechanism Module

EXK4080 54 Screw BSZ26P060FMC 55 Tuner Amp Unit

See Contrast table(2) 56 Screw BSZ26P100FMC

57 Heat Sink CZN6798 58 IC(IC500)

See Contrast table(2) 59 Panel CZN6795 60 Transistor(Q702) 2SD2396

61 Screw BPZ26P100FZK 62 Screw ISS26P055FUC 63 Terminal(CN101) CKF1059 64 Connector(CN600) CKS3408 65 Choke Coil(L700) CTH1221

66 Fuse(10A) CEK1208 67 Connector(CN200) CZK2943 68 Pin Jack(CN700) CKB1041 69 Antenna Jack(CN100) CKX1056 70 Connector(CN800) CZK2949

71 Connector(CN300) CKS3568 72 Plate CZN6730 73 FM/AM Tuner Unit(TU100) CZW5533 74 Insulator CZN6801 75 Chassis Unit CZX5515

76 Screw BMZ30P040FZK 77 Code Assy CZD2976

* 78 Holder CNC9131

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

(1)EXTERIOR SECTION PARTS LIST

KEH-P4020/XM/UC,KEH-P4022/XM/EE and KEH-P4025/XM/ES have the same cuntruction except for the following:

(2)CONTRAST TABLE

Mark No.

Symbol and Description

* 3

10 31 55 58

Grille Unit Keyboard Unit Plate Assy Tuner Amp Unit IC(IC500)

CZX5533 CZW5525 CZX5521 CZW5524 TA8277H

CZX5535 CZW5525 CZX5523 CZW5529 TA8277H

KEH-P4020/XM/UC

KEH-P4022/XM/EE

Part No.

CZX5534 CZW5528 CZX5522 CZW5527 PAL007A

KEH-P4025/XM/ES

2.3 CASSETTE MECHANISM MODULE

- CASSETTE MECHANISM MODULE SECTION P ARTS LIST

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

1 Screw BSZ20P040FMC 2 Washer CBF1037 3 Washer CBG1003 4 Screw EBA1028 5 Screw CBA1037

6 Spring EBH1653 7 Spring EBH1624 8 Spring EBH1641 9 Spring EBH1626

10 Spring EBH1627

11 Spring EBH1649 12 Cord EDD1024 13 Photo-reflector(Q101) EGN1004 14 Arm ENC1526 15 Lever ENC1544

16 Lever ENC1543 17 Arm ENC1532 18 Frame ENC1533 19 Holder ENC1534 20 Gear ENC1535

21 Arm ENC1550 22 Roller ENR1040 23 Belt ENT1027 24 Collar ENV1508 25 Arm ENV1539

26 Arm ENV1540 27 Gear ENV1569 28 Gear ENV1547 29 Gear ENV1560 30 Worm Wheel ENV1566

31 Lever ENV1551 32 Flywheel ENV1554 33 PCB ENP1196 34 Switch(S101,102) ESG1007 35 Deck Unit EWM1042

36 Plug(CN251) CKS3540 37 Gathering PCB ENX1064 38 Motor Unit(M1) EXA1621 39 Motor EXM1028 40 Head Assy(HD1) EXA1589

41 Motor Unit(M2) EXA1580 42 Screw BMZ20P022FMC 43 Bracket ENC1528 44 Chassis Unit EXA1637 45 Pinch Holder Unit EXA1584

46 Pinch Roller ENV1518 47 Pinch Holder Unit EXA1583 48 Pinch Roller ENV1518 49 Reel Unit EXA1625 50 Head Base Unit EXA1611

51 Lever Unit EXA1631 52 Gear Unit EXA1632 53 Motor Unit(Service) EXX1055 54 Washer HBF-179 55 •••••

56 ••••• 57 Sensor Unit EWM1044

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

234

3.2 OVERALL CONNECTION DIAGRAM

234

3.3 KEYBOARD UNIT

234

3.4 PANEL PCB UNIT

234

+ 32 hidden pages