PIONEER DEH-P2550/XQ/ES Service Manual

Cover page of PIONEER DEH-P2550/XQ/ES Service Manual

Service Manual for PIONEER DEH-P2550/XQ/ES, downloadable as a PDF file.

We also have owner's manual to this model.

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  • The manual has 59 pages
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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. OCT. 2002 Printed in Japan
ORDER NO.
CRT2983
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P2550
XM/ES, XN/ES
Service
Manual
DEH-P2550/XM/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".
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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. OCT. 2002 Printed in Japan
ORDER NO.
CRT2983
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P2550
XM/ES, XN/ES
Service
Manual
DEH-P2550/XM/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".
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DEH-P2550/XM/ES
SAFETY INFORMATION
[ Important symbols for good services ]
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:
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
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.
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
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
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.
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.
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.
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DEH-P2550/XM/ES
- CD Player Service Precautions
1. Before disassembling the unit, be sure to turn off the
power. Unplugging and plugging the connectors dur-
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-
SEMBLY" on page 41.
3. After replacing the pickup unit, be sure to check the
grating.(See p.38.)
CONTENTS
SAFETY INFORMATION ............................................................................................................................................2
1. SPECIFICATIONS .......................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST.......................................................................................................................5
2.1 PACKING...............................................................................................................................................................5
2.2 EXTERIOR.............................................................................................................................................................6
2.3 CD MECHANISM MODULE .................................................................................................................................8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...................................................................................................10
3.1 BLOCK DIAGRAM ..............................................................................................................................................10
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ........................................................................................12
3.3 KEYBOARD UNIT ...............................................................................................................................................18
3.4 CD MECHANISM MODULE ...............................................................................................................................20
4. PCB CONNECTION DIAGRAM ................................................................................................................................24
4.1 TUNER AMP UNIT .............................................................................................................................................24
4.2 PANEL UNIT .......................................................................................................................................................28
4.3 KEYBOARD UNIT ...............................................................................................................................................29
4.4 CD MECHANISM MODULE ...............................................................................................................................30
5. ELECTRICAL PARTS LIST ........................................................................................................................................32
6. ADJUSTMENT .........................................................................................................................................................36
6.1 CD ADJUSTMENT .............................................................................................................................................36
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT................................................................38
6.3 ERROR MODE ....................................................................................................................................................40
7. GENERAL INFORMATION .......................................................................................................................................41
7.1 DIAGNOSIS ........................................................................................................................................................41
7.1.1 DISASSEMBLY ..............................................................................................................................................41
7.1.2 CONNECTOR FUNCTION DESCRIPTION ....................................................................................................43
7.2 PARTS .................................................................................................................................................................44
7.2.1 IC ....................................................................................................................................................................44
7.2.2 DISPLAY.........................................................................................................................................................52
7.3 OPERATIONAL FLOW CHART...........................................................................................................................53
7.4 CLEANING ..........................................................................................................................................................54
8. OPERATIONS ...........................................................................................................................................................55
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1. SPECIFICATIONS
4
1
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12
34
F
E
D
C
B
A
DEH-P2550/XM/ES
Backup current
5 mA or less
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DEH-P2550/XM/ES
1 Cord Assy
CDE7060
2 Accessory Assy
CEA3439
3 Spring
CBH1650
4 Screw Assy
CEA3437
5-1 Owner's Manual
CRD3690
5-2 Owner's Manual
CRD3691
5-3 Installation Manual
CRD3692
6 Screw
CBA1002
*
7 Polyethylene Bag
CEG-127
8 Screw
CRZ50P090FTC
9 Screw
TRZ50P080FTC
*
10 Polyethylene Bag
CEG-158
11 Handle
CNC5395
12 Case Assy
CXB3520)
13 Remote Control Unit
CXC1265
14 Bush
CNV3930
15 Polyethylene Bag
CEG1173
*
16 Battery
CEX1065
17 Carton(DEH-P2550/XM/ES) CHG4961
Carton(DEH-P2550/XN/ES)
CHG4975
18 Contain Box(DEH-P2550/XM/ES) CHL4975
Contain Box(DEH-P2550/XN/ES)
CHL4961
19 Protector
CHP2663
20 Protector
CHP2664
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.
- 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.)
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEH-P2550/XM/ES
CRD3690
English, Spanish, Portuguese(B)
DEH-P2550/XN/ES
CRD3691
Traditional Chinese, Arabic
CRD3692
English, Spanish, Portuguese(B), Traditional Chinese, Arabic

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