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.
CRT2258
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P4830R
X1M/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM.............................................8
4. PCB CONNECTION DIAGRAM................................20
5. ELECTRICAL PARTS LIST........................................30
6. ADJUSTMENT .........................................................36
7. GENERAL INFORMATION.......................................38
7.1 PARTS ................................................................38
7.1.1 IC ...............................................................38
7.1.2 DISPLAY ...................................................42
7.2 DISASSEMBLY ...................................................43
7.3 BLOCK DIAGRAM ..............................................44
8. OPERATIONS AND SPECIFICATIONS ....................45
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-P4800R X1M/EW
KEH-P4830R/X1M/EW
2
KEH-P4830R,P4800R
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
2
13,14,15,16,17,18
19
1
7
6
8
5
4
9
10
11
12
3
3
KEH-P4830R,P4800R
1 Carton(P4830R)
CHG3568
Carton(P4800R)
CHG3567
2 Contain Box(P4830R)
CHL3568
Contain Box(P4800R)
CHL3567
3 Cord Assy
CDE5796
4 Accessory Assy
CEA1917
5 Screw
CBA1304
6 Handle
CNC5395
7 Bush
CNV3930
*
8 Polyethylene Bag
E36-615
9 Polyethylene Bag
CEG-162
10 Protector
CHP2102
11 Protector
CHP2101
12 Inner-box
CHW1754
13 Owner's Manual
CRD2777
14 Owner's Manual
CRD2778
15 Owner's Manual
CRD2779
16 Installation Manual
CRD2780
*
17 Passport
CRY1013
*
18 Warranty Card
CRY1087
19 Case Assy
CXB3520
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
Mark No. Description
Part No.
Mark No. Description
Part No.
- Owner's Manual, Installation Manual
Model
Part No.
Language
KEH-P4830R/X1M/EW
CRD2777
English,Spanish
KEH-P4800R/X1M/EW
CRD2778
German,French
CRD2779
Italian,Dutch
CRD2780
English,Spanish,German,
French,Italian,Dutch
4
KEH-P4830R,P4800R
2.2 EXTERIOR
5
KEH-P4830R,P4800R
1 Screw
BSZ26P050FMC
2 Screw
BSZ30P050FMC
3 Cord Assy
CDE5796
4 Fuse(10A)
CEK1136
5 Plug
CKM1290
6 Case
CNB2350
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 Cord
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 Chassis Unit
See Contrast table(2)
31 Screw
ISS26P055FUC
32 Holder Unit
CXB2687
33 Detach Grille Assy
See Contrast table(2)
34 Screw
BPZ20P060FMC
35 Screw
BPZ20P100FZK
36 Button
See Contrast table(2)
37 Button(1-6)
CAC5785
38 Button
See Contrast table(2)
39 Button
See Contrast table(2)
40 Button
See Contrast table(2)
41 Button(Eject)
CAC5793
42 Button(Display)
CAC5788
43 Button
See Contrast table(2)
44 Button
See Contrast table(2)
45 Spring
CBH2103
46 Cover
See Contrast table(2)
47 Housing
CNV5528
48 Keyboard Unit
See Contrast table(2)
49 LCD(LCD1901)
See Contrast table(2)
50 Connector(CN1901)
CKS3580
51 Holder
CNC7981
52 Spacer
CNM5043
53 Sheet
CNM5941
54 Lighting Conductor
CNV5527
55 Connector
CNV5531
56 Grille Unit
See Contrast table(2)
57 Button
CAC4836
58 Spring
CBH1834
59 Spring
CBH1835
60 Spring
CBH2182
61 Bracket
CNC6135
62 Bracket
CNC6791
63 Arm
CNV4692
64 Arm
CNV4693
65 Arm
CNV4728
66 Panel Unit
See Contrast table(2)
67 Door
See Contrast table(2)
68 Spring
CBH1838
69 Screw
IMS20P030FZK
70 Case Assy
CXB3520
71 Cassette Mechanism ModuleEXK3695
72 IC(IC1902)
SBX8035-H
73 IC(IC302)
TDA7384
74 Transistor(Q904)
2SD2396
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.