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Service
Manual DEH-P350/XM/UC
ORDER NO.
CRT2984
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P350
DEH-P3500 XM/UC, XN/UC
XM/UC, XN/UC
DEH-P4550 XM/ES, XN/ES
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3026 CRT2944 S10 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
For details, refer to "Important symbols for good services".
PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) 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 2002 K-ZZA. NOV. 2002 Printed in Japan
1 2 3 4
A SAFETY INFORMATION
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.
B WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
C
[ Important symbols for good services ]
D In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
E
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
F prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
2 DEH-P350/XM/UC
1 2 3 4
5 6 7 8
CONTENTS A
SAFETY INFORMATION ............................................................................................................................................2
1. SPECIFICATIONS .......................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST.......................................................................................................................8
2.1 PACKING(DEH-P350/XM/UC, DEH-P350/XN/UC, DEH-P3500/XM/UC, DEH-P3500/XN/UC) ...........................8
2.2 PACKING(DEH-P4550/XM/ES, DEH-P4550/XN/ES) ..........................................................................................10
2.3 EXTERIOR...........................................................................................................................................................12
2.4 CD MECHANISM MODULE ...............................................................................................................................16
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...................................................................................................18
3.1 BLOCK DIAGRAM ..............................................................................................................................................18
B
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ........................................................................................20
3.3 KEYBOARD UNIT ...............................................................................................................................................26
3.4 CD MECHANISM MODULE ...............................................................................................................................28
4. PCB CONNECTION DIAGRAM ................................................................................................................................32
4.1 TUNER AMP UNIT .............................................................................................................................................32
4.2 PANEL UNIT .......................................................................................................................................................36
4.3 KEYBOARD UNIT ...............................................................................................................................................37
4.4 CD MECHANISM MODULE ...............................................................................................................................38
5. ELECTRICAL PARTS LIST ........................................................................................................................................40
6. ADJUSTMENT .........................................................................................................................................................44 C
6.1 CD ADJUSTMENT .............................................................................................................................................44
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT................................................................46
6.3 ERROR MODE ....................................................................................................................................................48
7. GENERAL INFORMATION .......................................................................................................................................49
7.1 DIAGNOSIS ........................................................................................................................................................49
7.1.1 DISASSEMBLY ..............................................................................................................................................49
7.1.2 CONNECTOR FUNCTION DESCRIPTION ....................................................................................................51
7.2 PARTS .................................................................................................................................................................52
7.2.1 IC ....................................................................................................................................................................52 D
7.2.2 DISPLAY.........................................................................................................................................................60
7.3 OPERATIONAL FLOW CHART...........................................................................................................................61
7.4 CLEANING ..........................................................................................................................................................62
8. OPERATIONS ...........................................................................................................................................................63
E
- CD Player Service Precautions
1. Before disassembling the unit, be sure to turn off the 3. After replacing the pickup unit, be sure to check the
power. Unplugging and plugging the connectors dur- grating.(See p.46.)
ing power-on mode may damage the ICs inside the
unit.
2. To protect the pickup unit from electrostatic dis-
charge during serviving, take an appropriate treat-
ment(shorting-solder) by referring to "the DISAS-
F
SEMBLY" on page 49.
DEH-P350/XM/UC 3
5 6 7 8
1 2 3 4
1. SPECIFICATIONS
A - DEH-P350/XM/UC, DEH-P350/XN/UC
- DEH-P350/XM/UC
B
C
D
E
F
4 DEH-P350/XM/UC
1 2 3 4
5 6 7 8
- DEH-P3500/XM/UC, DEH-P3500/XN/UC
- DEH-P3500/XM/UC A
B
C
D
E
F
DEH-P350/XM/UC 5
5 6 7 8
1 2 3 4
A - DEH-P4550/XM/ES, DEH-P4550/XN/ES
- DEH-P4550/XM/ES
B
C
D
E
F
6 DEH-P350/XM/UC
1 2 3 4
5 6 7 8
A
B
C
D
E
F
DEH-P350/XM/UC 7
5 6 7 8
1 2 3 4
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
A (DEH-P350/XM/UC, DEH-P350/XN/UC, DEH-P3500/XM/UC, DEH-P3500/XN/UC)
B
C
D
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.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions, apply as you think it appropriate.)
(1) PACKING(DEH-P350/XM/UC, DEH-P350/XN/UC, DEH-P3500/XM/UC, DEH-P3500/XN/UC) SECTION
PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Cord Assy CDE7154 * 16 Battery CEX1065
E 2 Accessory Assy CEA3376 17 Carton See Contrast table(2)
3 Spring CBH1650 18 Contain Box See Contrast table(2)
4 Screw Assy CEA3445 19 Protector CHP2663
5 Fixing Screw BPZ20P060FZK 20 Protector CHP2664
6 Screw CBA1002 21-1 Owner's Manual See Contrast table(2)
* 7 Polyethylene Bag CEG-127 21-2 Installation Manual See Contrast table(2)
8 Screw CRZ50P090FTC * 21-3 Warranty Card See Contrast table(2)
9 Screw TRZ50P080FTC * 21-4 Card See Contrast table(2)
* 10 Polyethylene Bag CEG-158 * 21-5 Caution Card See Contrast table(2)
11 Handle CNC5395 22 Case Assy CXB3520
12 Holder CND1249 23 Remote Control Unit CXC1265
F 13 Holder CND1250
14 Bush CNV3930
15 Polyethylene Bag CEG1173
8 DEH-P350/XM/UC
1 2 3 4
5 6 7 8
(2) CONTRAST TABLE A
DEH-P350/XM/UC, DEH-P350/XN/UC, DEH-P3500/XM/UC and DEH-P3500/XN/UC are constructed the
same except for the following:
Part No.
Mark No. Symbol and Description DEH-P350/XM/UC DEH-P3500/XM/UC
17 Carton CHG4787 CHG4788
18 Contain Box CHL4787 CHL4788
21-1 Owner's Manual CRD3697 CRD3699
21-2 Installation Manual CRD3698 CRD3700
* 21-3 Warranty Card CRY1070 Not used B
* 21-4 Card Not used ARY1048
* 21-5 Caution Card Not used CRP1294
Part No.
Mark No. Symbol and Description DEH-P350/XN/UC DEH-P3500/XN/UC
17 Carton CHG4931 CHG4930
18 Contain Box CHL4931 CHL4930
21-1 Owner's Manual CRD3697 CRD3699 C
21-2 Installation Manual CRD3698 CRD3700
* 21-3 Warranty Card CRY1070 Not used
* 21-4 Card Not used ARY1048
* 21-5 Caution Card Not used CRP1294
D
- Owner's Manual, Installation Manual
Model Part No. Language
DEH-P350/XM/UC CRD3697 English, French, Spanish
DEH-P350/XN/UC CRD3698
DEH-P3500/XM/UC CRD3699 English, French, Spanish
DEH-P3500/XN/UC CRD3700
E
F
DEH-P350/XM/UC 9
5 6 7 8
1 2 3 4
A
2.2 PACKING(DEH-P4550/XM/ES, DEH-P4550/XN/ES)
B
C
D
- PACKING(DEH-P4550/XM/ES, DEH-P4550/XN/ES) SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Cord Assy CDE7154 * 16 Battery CEX1065
2 Accessory Assy CEA3439 17 Carton(DEH-P4550/XM/ES) CHG4790
3 Spring CBH1650 Carton(DEH-P4550/XN/ES) CHG4932
4 Screw Assy CEA3437 18 Contain Box(DEH-P4550/XM/ES) CHL4790
5