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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 EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
K-ZZD. FEB. 2001 Printed in Japan
ORDER NO.
CRT2651
SOURCE
DISP
EQ
FUNC
AUDIO
123456
B
SFEQ
SELECT
E
MULTI-CD/DAB CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P7350
X1N/ES
Service
Manual
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module Remarks
CX-977
CRT2624
S9
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
DEH-P7350/X1N/ES
DEH-P6350 X1N/ES
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................28
5. ELECTRICAL PARTS LIST ........................................36
6. ADJUSTMENT..........................................................44
7. GENERAL INFORMATION .......................................49
7.1 DIAGNOSIS ........................................................49
7.1.1 TEST MODE ..............................................49
7.1.2 DISASSEMBLY .........................................53
7.1.3 CONNECTOR FUNCTION DESCRIPTION58
7.2 IC ........................................................................60
7.3 OPERATIONAL FLOW CHART ...........................70
8. OPERATIONS AND SPECIFICATIONS.....................71


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2
DEH-P7350,P6350
- CD Player Service Precautions
1. For pickup unit(CXX1480) handling, please refer
to"Disassembly"(see page 53).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a jumper-solder).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 47).
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING(DEH-P7350/X1N/ES)
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.
1. SAFETY INFORMATION
20
22
25
24
23
14
5
8
12
4
11
10
9
7
6
17
2
18
13
16
15
1
19
3
21


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DEH-P7350,P6350
3
1 Carton
CHG4325
2 Cord Assy
CDE6438
3 Accessory Assy
CEA2395
4 Spring
CBH1650
5 Screw Assy
CEA2396
6 Screw
CBA1002
*
7 Polyethylene Bag
CEG-127
8 Screw
CRZ50P090FMC
9 Screw
TRZ50P080FMC
*
10 Polyethylene Bag
CEG-158
11 Handle
CNC5395
12 Bush
CNV3930
13 Polyethylene Bag
CEG1227
*
14 Battery
CEX1006
15 Contain Box
CHL4325
16 Protector
CHP2252
17 Protector
CHP2251
18 Case Assy
CXB3520
19-1 Polyethylene Bag
CEG1116
19-2 Owner's Manual
CRD3386
19-3 Owner's Manual
CRD3387
19-4 Installation Manual
CRD3388
* 19-5 Caution Card
CRP1207
* 19-6 Caution Card
CRP1220
20 Remote Control Assy
CXB3875
21 Inner Box
CHW1759
22 Base Assy
CEA2426
*
23 Base
CNS5031
*
24 Sheet
CZA3371
*
25 Polyethylene Bag
CZE3188
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST
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
DEH-P7350/X1N/ES
CRD3386
English, Spanish, Portuguese(B)
CRD3387
Arabic, Chinese
CRD3388
English, Spanish, Portuguese(B), Arabic, Chinese


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4
DEH-P7350,P6350
2.2 PACKING(DEH-P6350/X1N/ES)
20
14
5
8
12
4
11
10
9
7
6
17
2
18
13
16
15
1
19
3


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5
DEH-P7350,P6350
1 Carton
CHG4326
2 Cord Assy
CDE6438
3 Accessory Assy
CEA2395
4 Spring
CBH1650
5 Screw Assy
CEA2396
6 Screw
CBA1002
*
7 Polyethylene Bag
CEG-127
8 Screw
CRZ50P090FMC
9 Screw
TRZ50P080FMC
*
10 Polyethylene Bag
CEG-158
11 Handle
CNC5395
12 Bush
CNV3930
13 Polyethylene Bag
CEG1227
*
14 Battery
CEX1065
15 Contain Box
CHL4326
16 Protector
CHP2252
17 Protector
CHP2251
18 Case Assy
CXB3520
19-1 Polyethylene Bag
CEG1116
19-2 Owner's Manual
CRD3394
19-3 Owner's Manual
CRD3395
19-4 Installation Manual
CRD3388
* 19-5 Caution Card
CRP1207
20 Remote Control Unit
CXB6797
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEH-P6350/X1N/ES
CRD3394
English, Spanish, Portuguese(B)
CRD3395
Arabic, Chinese
CRD3388
English, Spanish, Portuguese(B), Arabic, Chinese