Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer KEH KEH-P4850J Pioneer_KEH-P4850J
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Service
Manual ORDER NO.
CRT2333
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM/SW TUNER
KEH-P4850J ES
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.
CONTENTS
1. SAFETY INFORMATION............................................2 7. GENERAL INFORMATION.......................................38
2. EXPLODED VIEWS AND PARTS LIST ......................2 7.1 PARTS ................................................................38
3. SCHEMATIC DIAGRAM.............................................8 7.1.1 IC ...............................................................38
4. PCB CONNECTION DIAGRAM................................20 7.1.2 DISPLAY ...................................................42
5. ELECTRICAL PARTS LIST........................................30 7.2 DISASSEMBLY ...................................................43
6. ADJUSTMENT .........................................................36 7.3 BLOCK DIAGRAM ..............................................44
8. OPERATIONS AND SPECIFICATIONS ....................45
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. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999 K-ZZU. MAR. 1999 Printed in Japan
KEH-P4850J
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 mot risk trying to do so
and refer the repair to a qualified service technician.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
18
4 1
7
8
5
6
10 13
3
11
9
16 17
2
15
12
14
2
KEH-P4850J
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.
1-1 Owner's Manual CRD2788
(English, Spanish, Portuguese(B), Arabic)
1-2 Installation Manual CRD2790
(English, Spanish, Portuguese(B), Arabic)
2 Cord Assy CDE5798
3 Spring CBH-865
4 Screw Assy CEA2003
5 Screw CBA1284
* 6 Polyethylene Bag CEG-127
7 Screw CRZ50P090FMC
8 Screw TRZ50P080FMC
* 9 Polyethylene Bag CEG-158
10 Handle CNC5395
11 Bush CNV1009
12 Polyethylene Bag CEG-162
13 Carton CHG3801
14 Contain Box CHL3801
15 Protector CHP2101
16 Protector CHP2102
17 Case Assy CXB3520
18 Accessory Assy CEA2002
3
KEH-P4850J
2.2 EXTERIOR
4
KEH-P4850J
- EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BSZ26P050FMC 41 Button(Display) CAC5788
2 Screw BSZ30P050FMC 42 Button(Cross) CAC5786
3 Cord Assy CDE5798 43 Button(A,B) CAC5787
4 Fuse(10A) CEK1136 44 Spring CBH2103
5 Case CNB2350 45 Cover CNS5130
6 Panel CNS5132 46 Housing CNV5528
7 Screw BSZ30P050FMC 47 Keyboard Unit CWM6264
8 Screw BSZ30P200FMC 48 LCD(LCD1901) CAW1543
9 Holder CNC5704 49 Connector(CN1901) CKS3580
10 Cushion CNM5210 50 Holder CNC7981
11 Insulator CNM5963 51 Sheet CNM5941
12 Tuner Amp Unit CWM6253 52 Lighting Conductor CNV5527
13 Screw BPZ26P080FMC 53 Connector CNV5531
14 Screw BSZ26P080FMC 54 Grille Unit CXB4147
15 Screw BSZ26P160FMC 55 Button CAC5180
16 Tuner Unit CWE1430 56 Spring CBH1834
17 Holder CNC6122 57 Spring CBH1835
18 Pin Jack(CN301) CKB1028 58 Spring CBH2182
19 Plug(CN603) CKM1270 59 Bracket CNC6135
20 Connector(CN701) CKS3408 60 Bracket CNC6791
21 Connector(CN602) CKS3568 61 Arm CNV4692
22 Connector(CN601) CKS3581 62 Arm CNV4693
23 Antenna Cable(CN403) CDH1274 63 Arm CNV4951
24 Panel CNB2491 64 Panel Unit CXB3019
25 Holder CNC2218 65 Door CAT2028
26 Holder CNC6845 66 Spring CBH1838
27 Holder CNC7996 67 Screw IMS20P030FZK
28 Heat Sink CNR1505 68 Case Assy CXB3520
29 Chassis Unit CXB3012 69 Cassette Mechanism Module EXK3695
30 Screw ISS26P055FUC 70 IC(IC302) TDA7384
31 Holder CNC6798 71 Transistor(Q904) 2SD2396
32 Detach Grille Assy CXB4247 72 Holder CNC4963
33 Screw BPZ20P060FMC 73 Sheet CNM6292
34 Screw BPZ20P100FZK 74 Sheet CNM6293
35 Button(Detach) CAC5789
36 Button(1-6) CAC5794
37 Button(-) CAC5930
38 Button(EQ) CAC6135
39 Button(+) CAC5783
40 Button(Eject) CAC5793
5
KEH-P4850J
2.3 CASSETTE MECHANISM MODULE
6
KEH-P4850J
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BSZ20P040FMC 46 Pinch Holder ENV1486
2 Washer CBF1037 47 Reel Unit EXA1543
3 Washer CBF1038 48 Head Base Unit EXA1457
4 Washer CBG1003 49 Lever Unit EXA1438
5 Deck Unit EWM1021 50 Gear Unit EXA1574
6 Screw EBA1028 51 Frame Unit EXA1458
7 Screw EBA1037 52 Lever Unit EXA1439
8 Spring EBH1531 53 Head Assy(HD1) EXA1506
9 Spring EBH1575 54 Motor Unit(M1) EXA1490
10 Plug(CN251) CKS3540 55 Washer HBF-179
11 Spring EBH1515 56 Screw BMZ20P022FMC
12 Spring EBH1587 57 Spring EBH1545
13 Spring EBH1517 58 Washer YE20FUC
14 Spring EBH1518 59 Pinch Holder Unit EXA1529
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