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PIONEER 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 CORPORATION 1999
K-ZZB. OCT. 1999 Printed in Japan
ORDER NO.
CRT2399
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P5900R
X1M/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....9
4. PCB CONNECTION DIAGRAM ................................24
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................41
7. GENERAL INFORMATION .......................................43
7.1 DISASSEMBLY ...................................................43
7.2 PARTS .................................................................44
7.2.1 IC.................................................................44
7.2.2 DISPLAY .....................................................48
8. OPERATIONS AND SPECIFICATIONS.....................49
KEH-P5900R/X1M/EW
KEH-P4930R
X1M/EW
KEH-P4900R
X1M/EW
- 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 and Greasing, Disassembly, Adjustment
- 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.


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2
KEH-P5900R,P4900R,P4930R
1. SAFETY INFORMATION
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.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
8
11
14
7
4
3
5
2
1
6
9
10
12
13


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KEH-P5900R,P4900R,P4930R
3
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-P5900R/X1M/EW
CRD3077
English, Spanish, German
KEH-P4930R/X1M/EW
CRD3078
French, Italian, Dutch
CRD3079
English, Spanish, German, French, Italian, Dutch
KEH-P4900R/X1M/EW
CRD3080
English, Spanish, German
CRD3081
French, Italian, Dutch
CRD3082
English, Spanish, German, French, Italian, Dutch
- PACKING SECTION PARTS LIST
Part No.
Mark
No.
Description
KEH-P5900R/X1M/EW
KEH-P4900R/X1M/EW
KEH-P4930R/X1M/EW
1
Accessory Assy
CEA1917
CEA1917
CEA1917
2
Screw
CBA1304
CBA1304
CBA1304
3
Handle
CNC5395
CNC5395
CNC5395
4
Bush
CNV3930
CNV3930
CNV3930
*
5
Polyethylene Bag
E36-615
E36-615
E36-615
6
Polyethylene Bag
CEG-162
CEG-162
CEG-162
7
Carton
CHG3887
CHG3892
CHG3888
8
Contain Box
CHL3887
CHL3892
CHL3888
9
Protector
CHP2244
CHP2244
CHP2244
10
Protector
CHP2243
CHP2243
CHP2243
11-1
Owner's Manual
CRD3077
CRD3080
CRD3077
11-2
Owner's Manual
CRD3078
CRD3081
CRD3078
11-3
Installation Manual
CRD3079
CRD3082
CRD3079
*
11-4
Passport
CRY1013
CRY1013
CRY1013
*
11-5
Warranty Card
CRY1157
CRY1157
CRY1157
12
Inner-Box
CHW1754
Not used
Not used
13
Cord Assy
CDE6221
CDE6221
CDE6221
14
Case Assy
CXB3520
CXB3520
CXB3520


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4
KEH-P5900R,P4900R,P4930R
68
A
21
24
26
10
9
18
17
16
19
13
25
14
27
14
6
20
7
5
12
15
29
28
31
23
22
11
2
2
2
3
3
32
53
39
52
42
37
38
40
36
41
35
43
34
48
46
45
50
51
49
47
33
33
33
44
54
57
66
66
63
66
66
64
65
62
56
59
55
61
60
58
4
30
1
1
1
1
67
8
2
A
2.2 EXTERIOR


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5
KEH-P5900R,P4900R,P4930R
1 Screw
BSZ26P050FMC
2 Screw
BSZ30P050FMC
3 Screw
BSZ30P200FMC
4 Cord Assy
CDE6221
5 Fuse(10A)
CEK1136
6 Transistor(Q904)
2SD2396
7 Plug
CKM1314
8 Case
CNB2350
9 Holder
CNC5704
10 Cushion
CNM5210
11 Insulator
CNM5963
12 Tuner Amp Unit
See Contrast table(2)
13 Screw
BPZ26P080FMC
14 Screw
BSZ26P080FMC
15 Screw
BSZ26P160FMC
16 Cord Assy
CDE5750
17 FM/AM Tuner Unit
CWE1466
18 Holder
CNC6554
19 Pin Jack(CN301)
CKB1035
20 Plug(CN603)
CKM1288
21 Connector(CN701)
CKS3408
22 Connector(CN602)
CKS3568
23 Connector(CN601)
CKS3581
24 Antenna Jack(CN402)
CKX1056
25 Panel
CNB2340
26 Holder
CNC5399
27 Holder
CNC6845
28 Holder
CNC7996
29 Heat Sink
CNR1505
30 Holder Unit
CXB2687
31 IC(IC302)
TDA7384
32 Detach Grille Assy
See Contrast table(2)
33 Screw
BPZ20P100FZK
34 Button(DETACH)
See Contrast table(2)
35 Button(1-6)
CAC6239
36 Button(SOURCE)
CAC6241
37 Button(+)
See Contrast table(2)
38 Button(-)
See Contrast table(2)
39 Button(AUDIO)
See Contrast table(2)
40 Button(EQ)
CAC6247
41 Button(EJECT)
CAC6268
42 Button(BAND)
See Contrast table(2)
43 Spring
CBH2103
44 Cover
CNS5635
45 Keyboard Unit
See Contrast table(2)
46 LCD(LCD1901)
CAW1562
47 Connector(CN1901)
CKS3580
48 Holder
CNC8485
49 Sheet
CNM6453
50 Connector
CNV5914
51 Lighting Conductor
CNV5915
52 Grille Sub Assy
See Contrast table(2)
53 Chassis Unit
See Contrast table(2)
54 Button
CAC4836
55 Spring
CBH1834
56 Spring
CBH1835
57 Spring
CBH2182
58 Bracket
CNC6135
59 Bracket
CNC6791
60 Arm
CNV4692
61 Arm
CNV4693
62 Arm
CNV4728
63 Panel Unit
See Contrast table(2)
64 Door
See Contrast table(2)
65 Spring
CBH1838
66 Screw
IMS20P030FZK
67 Cassette Mechanism ModuleEXK4000
68 Screw
ISS26P055FUC
Mark No. Description
Part No.
Mark No. Description
Part No.
(1) EXTERIOR SECTION PARTS LIST
(2) CONTRAST TABLE
KEH-P5900R/X1M/EW, KEH-P4900R/X1M/EW and KEH-P4930R/X1M/EW are constructed same except for
the following:
Part No.
Mark
No.
Description
KEH-P5900R/X1M/EW
KEH-P4900R/X1M/EW
KEH-P4930R/X1M/EW
12
Tuner Amp Unit
CWM7015
CWM7017
CWM7017
32
Detach Grille Assy
CXB4785
CXB4787
CXB4786
34
Button(DETACH)
CAC5789
CAC5789
CAC5929
37
Button(+)
CAC6242
CAC6242
CAC6559
38
Button(-)
CAC6243
CAC6243
CAC6560
39
Button(AUDIO)
CAC6245
CAC6245
CAC6562
42
Button(BAND)
CAC6269
CAC6269
CAC6563
45
Keyboard Unit
CWM7016
CWM7020
CWM7018
52
Grille Sub Assy
CXB5206
CXB5208
CXB5207
53
Chassis Unit
CXB4893
CXB4895
CXB4894
63
Panel Unit
CXB4928
CXB4928
CXB4929
64
Door
CAT2109
CAT2109
CAT2108