Pioneer KEH-P4020 - Radio / Cassette Player User 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
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.
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

4
2.2 EXTERIOR

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
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

6
2.3 CASSETTE MECHANISM MODULE

7
- CASSETTE MECHANISM MODULE SECTION PARTS 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

8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
1234
1234
D
C
B
A

9
5678
5678
D
C
B
A

10
3.2 OVERALL CONNECTION DIAGRAM
1234
1234
D
C
B
A