PIONEER KEHP4800 Service Manual

Cover page of PIONEER KEHP4800 Service Manual

Service Manual for PIONEER KEHP4800, downloadable as a PDF file.

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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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZU. OCT. 1998 Printed in Japan
ORDER NO.
CRT2261
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P4800
X1M/UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM.............................................8
4. PCB CONNECTION DIAGRAM................................22
5. ELECTRICAL PARTS LIST........................................32
6. ADJUSTMENT .........................................................39
7. GENERAL INFORMATION.......................................41
7.1 PARTS ................................................................41
7.1.1 IC ...............................................................41
7.1.2 DISPLAY ...................................................45
7.2 DISASSEMBLY ...................................................46
7.3 BLOCK DIAGRAM ..............................................47
8. OPERATIONS AND SPECIFICATIONS ....................48
NOTE:
- See the separate manual CX-631(CRT1640) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2L 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-P4850 X1M/ES
KEH-P4850/X1M/ES
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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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZU. OCT. 1998 Printed in Japan
ORDER NO.
CRT2261
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P4800
X1M/UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM.............................................8
4. PCB CONNECTION DIAGRAM................................22
5. ELECTRICAL PARTS LIST........................................32
6. ADJUSTMENT .........................................................39
7. GENERAL INFORMATION.......................................41
7.1 PARTS ................................................................41
7.1.1 IC ...............................................................41
7.1.2 DISPLAY ...................................................45
7.2 DISASSEMBLY ...................................................46
7.3 BLOCK DIAGRAM ..............................................47
8. OPERATIONS AND SPECIFICATIONS ....................48
NOTE:
- See the separate manual CX-631(CRT1640) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2L 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-P4850 X1M/ES
KEH-P4850/X1M/ES
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2
KEH-P4800,P4850
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
4
7
11
3
10
9
8
6
5
16
2
17
12
15
14
13
1
1. SAFETY INFORMATION
UC model
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
Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive
toxicant which may cause birth defects or other reproductive harm (California Health and Safety Code, Section
25249.5). When servicing or handling circuit boards and other components which contain lead in solder, avoid
unprotected skin contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.
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3
KEH-P4800,P4850
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.
- PACKING SECTION PARTS LIST
Part No.
Mark No. Description
KEH-P4800/X1M/UC
KEH-P4850/X1M/ES
*
1-1 Card
ARY1048
Not used
1-2 Owner's Manual
CRD2783
CRD2785
1-3 Installation Manual
CRD2784
CRD2787
1-4 Owner's Manual
Not used
CRD2786
2 Cord Assy
CDE5798
CDE5798
3 Spring
CBH1650
CBH1650
4 Screw Assy
CEA2351
CEA2351
5 Screw
CBA1304
CBA1304
*
6 Polyethylene Bag
CEG-127
CEG-127
7 Screw
CRZ50P090FMC
CRZ50P090FMC
8 Screw
TRZ50P080FMC
TRZ50P080FMC
*
9 Polyethylene Bag
CEG-158
CEG-158
10 Handle
CNC5395
CNC5395
11 Bush
CNV3930
CNV3930
12 Polyethylene Bag
CEG1173
CEG-162
13 Carton
CHG3570
CHG3571
14 Contain Box
CHL3570
CHL3571
15 Protector
CHP2101
CHP2101
16 Protector
CHP2102
CHP2102
17 Case Assy
CXB3520
CXB3520
- Owner's Manual, Installation Manual
Model
Part No.
Language
KEH-P4800/X1M/UC
CRD2783
English, French, Spanish
CRD2784
English, French, Spanish
KEH-P4850/X1M/ES
CRD2785
English, Spanish, Portuguese(B)
CRD2786
Chinese, Arabic
CRD2787
English, Spanish,
Portuguese(B), Chinese, Arabic
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4
KEH-P4800,P4850
2.2 EXTERIOR
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5
KEH-P4800,P4850
1 Screw
BSZ26P050FMC
2 Screw
BSZ30P050FMC
3 Cord Assy
CDE5798
4 Fuse(10A)
CEK1136
5 Case
CNB2350
6 Panel
CNS5132
7 Screw
BSZ30P050FMC
8 Screw
BSZ30P200FMC
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 FM/AM Tuner Unit
See Contrast table(2)
17 Holder
CNC6554
18 Pin Jack(CN301)
CKB1035
19 Plug(CN603)
CKM1270
20 Connector(CN701)
CKS3408
21 Connector(CN602)
CKS3568
22 Connector(CN601)
CKS3581
23 Antenna Jack(CN402)
CKX1056
24 Panel
CNB2343
25 Holder
CNC5399
26 Holder
CNC6845
27 Holder
CNC7996
28 Heat Sink
CNR1505
29 Chassis Unit
CXB3012
30 Screw
ISS26P055FUC
31 Holder Unit
CXB2687
32 Detach Grille Assy
See Contrast table(2)
33 Screw
BPZ20P060FMC
34 Screw
BPZ20P100FZK
35 Button(Detach)
CAC5789
36 Button(1-6)
CAC5794
37 Button(-)
CAC5930
38 Button(EQ)
CAC6135
39 Button(+)
CAC5783
40 Button(Eject)
CAC5793
41 Button(Display)
CAC5788
42 Button(Cross)
CAC5786
43 Button(A,B)
CAC5787
44 Spring
CBH2103
45 Cover
CNS5130
46 Housing
CNV5528
47 Keyboard Unit
See Contrast table(2)
48 LCD(LCD1901)
CAW1543
49 Connector(CN1901)
CKS3580
50 Holder
CNC7981
51 Sheet
CNM5941
52 Lighting Conductor
CNV5527
53 Connector
CNV5531
54 Grille Unit
See Contrast table(2)
55 Button
CAC4836
56 Spring
CBH1834
57 Spring
CBH1835
58 Spring
CBH2182
59 Bracket
CNC6135
60 Bracket
CNC6791
61 Arm
CNV4692
62 Arm
CNV4693
63 Arm
CNV4728
64 Panel Unit
CXB3019
65 Door
CAT2028
66 Spring
CBH1838
67 Screw
IMS20P030FZK
68 Case Assy
CXB3520
69 Cassette Mechanism ModuleEXK3695
70 IC(IC302)
TDA7384
71 Transistor(Q904)
2SD2396
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.

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