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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


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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
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING


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NOTE
- Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List.
3
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
16 .....
17 Screw
CBA1002
18 Screw
BPZ20P060FZK
19 .....
20 .....
*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


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4
2.2 EXTERIOR


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5
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
T A8277H
CZX5535
CZW5525
CZX5523
CZW5529
T A8277H
KEH-P4020/XM/UC
KEH-P4022/XM/EE
Part No.
CZX5534
CZW5528
CZX5522
CZW5527
P AL007A
KEH-P4025/XM/ES