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Service KEH-P7900R/X1N/EW
Manual ORDER NO.
CRT2458
MULTI-CD/DAB CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P7900R X1N/EW
KEH-P7910R
MULTI-CD/DAB CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
X1N/EE
KEH-P7950 1 X N/ES
- 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:
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
- 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 .......................................63
2. EXPLODED VIEWS AND PARTS LIST .......................2 7.1 DISASSEMBLY ...................................................63
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10 7.2 IC ........................................................................65
4. PCB CONNECTION DIAGRAM ................................32 7.3 OPERATIONAL FLOW CHART ...........................72
5. ELECTRICAL PARTS LIST ........................................44 8. OPERATIONS AND SPECIFICATIONS.....................73
6. ADJUSTMENT..........................................................62
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 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 2000 K-ZZB. FEB. 2000 Printed in Japan
KEH-P7900R,P7910R,P7950
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
- KEH-P7900R/X1N/EW, KEH-P7910R/X1N/EE
3
5
4
6 2
7
14
12
1
10
8
13
11
9
2
KEH-P7900R,P7910R,P7950
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.
1 Cord Assy(EW) CDE6284 13-1 Polyethylene Bag CEG1116
Cord Assy(EE) CDE6285 13-2 Owner's Manual(EW) CRD3180
2 Inner Box CHW1754 Owner's Manual(EE) CRD3187
3 Accessory Assy CEA1917 13-3 Owner's Manual(EW) CRD3181
4 Screw CBA1304 13-4 Owner's Manual(EW) CRD3182
5 Handle CNC5395 13-5 Installation Manual(EW) CRD3183
6 Bush CNV3930 Installation Manual(EE) CRD3188
* 7 Polyethylene Bag E36-615 * 13-6 Passport(EW) CRY1013
8 Polyethylene Bag CEG-162 * 13-7 Warranty Card CRY1157
9 Carton(EW) CHG4027 * 13-8 Caution Card CRP1207
Carton(EE) CHG4028 * 13-9 Caution Card(EE) CRP1216
10 Contain Box(EW) CHL4027 14 Case Assy CXB3520
Contain Box(EE) CHL4028
11 Protector CHP2251
12 Protector CHP2252
- Owner's Manual, Installation Manual
Model Part No. Language
KEH-P7900R/X1N/EW CRD3180 English, Spanish
CRD3181 German, French
CRD3182 Italian, Dutch
CRD3183 English, Spanish, German, French, Italian, Dutch
- Owner's Manual, Installation Manual
Model Part No. Language
KEH-P7910R/X1N/EE CRD3187 English, Russian
CRD3188 English, Russian
3
KEH-P7900R,P7910R,P7950
- KEH-P7950/X1N/ES
18
13
8 5
14 15 3
9
16 6
7
11
4 23
12
10
25
22
21 2
19
17
24
20
1
- PACKING SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Carton CHG4029 16 Polyethylene Bag CZE3188
2 Cord Assy CDE6231 17 Polyethylene Bag CEG-162
* 3 Accessory Assy CEA2350 18 Battery CEX1006
4 Spring CBH1650 19 Contain Box CHL4029
* 5 Screw Assy CEA2351 20 Protector CHP2251
6 Screw CBA1304 21 Protector CHP2252
* 7 Polyethylene Bag CEG-127 22 Case Assy CXB3520
8 Screw CRZ50P090FMC 23 Inner Box CHW1759
9 Screw TRZ50P080FMC 24-1 Polyethylene Bag CEG1116
* 10 Polyethylene Bag CEG-158 24-2 Owner's Manual CRD3184
11 Handle CNC5395 24-3 Owner's Manual CRD3185
12 Bush CNV3930 24-4 Installation Manual CRD3186
13 Base Assy CEA2426 * 24-5 Caution Card CRP1207
* 14 Base CNS5031 * 24-6 Caution Card CRP1216
* 15 Sheet CZA3371 25 Remote Control Assy CXB3875
- Owner's Manual, Installation Manual
Model Part No. Language
KEH-P7950/X1N/ES CRD3184 English, Spanish,Portuguese(B)
CRD3185 Chinese, Arabic
CRD3186 English, Spanish, Portuguese(B), Chinese, Arabic
4
KEH-P7900R,P7910R,P7950
2.2 EXTERIOR
KEH-P7900R/X1N/EW
5
KEH-P7900R,P7910R,P7950
KEH-P7950/X1N/ES KEH-P7910R/X1N/EE
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ30P040FZK 41 Holder CNC8696
2 Screw BSZ26P050FMC 42 Insulator See Contrast table(2)
3 Screw BSZ30P050FMC 43 Insulator CNM6249
4 Screw BSZ30P200FMC 44 Insulator CNM6250
5 Cord Assy CDE6233 45 Insulator CNM6875
6 Cord Assy See Contrast table(2) 46 Heat Sink CNR1505
7 Fuse(10A) CEK1136 47 Holder CNV5375
8 Cap See Contrast table(2) 48 FM/AM Tuner Unit See Contrast table(2)
9 Cap CNS1472 49 Holder CNC7532
10 Resistor RS1/2PMF102J 50 Detach Grille Assy See Contrast table(2)
11 Screw ISS26P055FUC 51 Screw BPZ20P100FZK
12 Case CNB2597 52 Knob CAA1525
13 Holder CNC6798 53 Button(SOURCE) CAC6331
14 Holder See Contrast table(2) 54 Button(OPEN) CAC6333
15 Spacer See Contrast table(2) 55 Button(F,A) See Contrast table(2)
16 Insulator CNM6640 56 Button(DISP) See Contrast table(2)
17 Panel See Contrast table(2) 57 Button(BAND) See Contrast table(2)
18 Cap CNV2680 58 Button(E) CAC6464
19 Tuner Amp Unit See Contrast table(2) 59 Spring CBH2316
20 Screw BPZ26P060FMC 60 Spring CBH2320
21 Screw BSZ26P060FMC 61 Cushion CNM6542
22 Screw BSZ26P160FMC 62 Spacer CNM6943
23 Cord Assy CDE5852 63 Cover See Contrast table(2)
24 Clamper CEF1007 64 Holder CNV6177
25 Pin Jack(CN351) CKB1028 65 Keyboard Unit See Contrast table(2)
26 Terminal(CN403) CKF1059 66 Connector(CN1901) CKS4205
27 Plug(CN901) CKM1278 67 Holder CNC8698
28 Jack(CN451) CKN1027 68 Cushion CNM6633
29 Plug(CN352) CKS1238 69 Spacer CNM6710
30 Connector(CN751) CKS3124 70 Spacer CNM6711
31 Connector(CN101) CKS3408 71 Sheet CNM6746
32 Plug(CN801) CKS3537 72 Holder CNV6105
33 Connector(CN251) CKS3568 73 OEL Unit MXR8004
34 Jack(CN452) CKS4061 74 Knob Unit See Contrast table(2)
35 Antenna Jack(CN401) CKX1056 75 Grille Unit See Contrast table(2)
36 Panel CNB2547 76 Button(EJECT) CAC6327
37 Holder See Contrast table(2) 77 Door CAT2109
38 Holder CNC7996 78 Screw(M2x2) CBA1176
39 Case CNC8138 79 Washer CBF1038
40 Case CNC8301 80 Spring CBH1838
6
KEH-P7900R,P7910R,P7950
Mark No. Description Part No. Mark No. Description Part No.
81 Spring CBH2310 96 Gear CNV5997
82 Spring CBH2312 97 Pin CNV6027
83 Spring CBH2313 98 Panel PCB Unit CWM6720
84 Spring CBH2393 99 Socket(CN605) CKS3550
85 Spring CBL1492 100 Connector(CN604) CKS4206
86 Holder CNC8560 101 Damper Unit CXB5070
87 Cushion CNM5486 102 Holder Unit CXB5736
88 Spacer CNM6811 103 Holder Unit CXB5737
89 Panel CNS5728 104 Screw IMS20P045FZK
90 Arm CNV5991 105 Chassis Unit See Contrast table(2)
91 Arm CNV5992 106 Cassette Mechanism Module EXK4010
92 Arm CNV5993 107 IC(IC301) PAL005A
93 Lever CNV5994 108 Transistor(Q921) 2SD2396
94 Gear CNV5995 109 Chock Coil(L901) CTH1171
95 Gear CNV5996 110 Remote Control Assy See Contrast table(2)
111 Battery Cover See Contrast table(2)
112 Cushion See Contrast table(2)
113 Double Sided Tape CNM6811
(2) CONTRAST TABLE
KEH-P7900R/X1N/EW, KEH-P7910R/X1N/EE and KEH-P7950/X1N/ES are constructed the same except for
the following:
Part No.
Mark No. Symbol and Description KEH-P7900R/X1N/EW KEH-P7910R/X1N/EE KEH-P7950/X1N/ES
6 Cord Assy CDE6284 CDE6285 CDE6231
8 Cap CKX-003 Not used Not used
14 Holder CNC8357 CNC5704 CNC5704
15 Spacer CNM4913 Not used Not used
17 Panel CNS5992 CNS5992 CNS5993
19 Tuner Amp Unit CWM6957 CWM6958 CWM6959
37 Holder CNC7533 Not used Not used
42 Insulator CNM5967 Not used Not used
48 FM/AM Tuner Unit CWE1500 CWE1504 CWE1501
50 Detach Grille Assy CXB4971 CXB4972 CXB4973
55 Button(F,A) CAC6337 CAC6337 CAC6338
56 Button(DISP) CAC6339 CAC6339 CAC6639
57 Button(BAND) CAC6343 CAC6343 CAC6334
63 Cover CNS5737 CNS5737 CNS5738
65 Keyboard Unit CWM6940 CWM6940 CWM6939
74 Knob Unit CXB5350 CXB5350 CXB5351
75 Grille Unit CXB5658 CXB5659 CXB5660
105 Chassis Unit CXB5194 CXB5258 CXB5258
110 Remote Control Assy Not used Not used CXB3875
111 Battery Cover Not used Not used CNS5032
112 Cushion Not used CNM4870 CNM4870
7
KEH-P7900R,P7910R,P7950
2.3 CASSETTE MECHANISM MODULE
8
KEH-P7900R,P7910R,P7950
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BSZ20P040FMC 46 Pinch Roller ENV1518
2 Washer CBF1037 47 Pinch Holder Unit EXA1583
3 Washer CBG1003 48 Pinch Roller ENV1518
4 Screw EBA1028 49 Reel Unit EXA1585
5 Screw EBA1037 50 Head Base Unit EXA1586
6 Spring EBH1531 51 Lever Unit EXA1587
7 Spring EBH1624 52 Gear Unit EXA1588
8 Spring EBH1625 53 Motor Unit(Service) EXX1055
9 Spring EBH1626 54 Washer HBF-179
10 Spring EBH1627 55