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ORDER NO.
CRT3219
DEH-P8MP/XN/UC

MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER



DEH-P8MP /XN/UC

DEH-P80MP/XN/UC
DEH-P1Y/XN/ES
This service manual should be used together with the following manual(s):
Model No. Order No. Mech.Module Remarks

CX-3098 CRT3179 S10WMAcode2 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
PIONEER CORPORATION 2004
K-ZZD.MAY 2004 printed in Japan
1 2 3 4

SAFETY INFORMATION
CAUTION
A
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.

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.
B Health & Safety Code Section 25249.6 - Proposition 65


- Service Precaution
1. You should conform to the regulations governing the 3. To protect the pickup unit from electrostatic discharge
product (safety, radio and noise, and other regulations), during servicing, take an appropriate treatment
and should keep the safety during servicing by following (shorting-solder) by referring to "the DISASSEMBLY"
the safety instructions described in this manual. on page 63.
2. Before disassembling the unit, be sure to turn off 4. After replacing the pickup unit, be sure to check the
the power. Unplugging and plugging the connectors grating. (See page 59.)
during power-on mode may damage the ICs inside
the unit.
C
[ 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:
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.
D

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.


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.


E 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.




F




DEH-P8MP/XN/UC
2
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5 6 7 8

CONTENTS
SAFETY INFORMATION......................................................................................................................................2
1. SPECIFICATIONS .............................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST.............................................................................................................8 A
2.1 PACKING(DEH-P8MP/XN/UC,DEH-P80MP/XN/UC) .................................................................................8
2.2 PACKING(DEH-P1Y/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
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ..............................................................................20
3.3 KEYBOARD UNIT ....................................................................................................................................26
3.4 CD MECHANISM MODULE(GUIDE PAGE) .............................................................................................28
4. PCB CONNECTION DIAGRAM ......................................................................................................................38
4.1 TUNER AMP UNIT ...................................................................................................................................38
4.2 SWITCH UNIT ..........................................................................................................................................42 B
4.3 KEYBOARD UNIT ....................................................................................................................................43
4.4 CD MECHANISM MODULE .....................................................................................................................44
5. ELECTRICAL PARTS LIST .............................................................................................................................46
6. ADJUSTMENT ................................................................................................................................................55
6.1 CONNECTION DIAGRAM........................................................................................................................55
6.2 OEL UNIT ADJUSTMENT ........................................................................................................................56
6.3 CD ADJUSTMENT ...................................................................................................................................57
6.4 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.....................................................59
6.5 ERROR MODE .........................................................................................................................................61
6.6 OEL SCREENSAVER STUDIO LKA TO LKD APPLICATION ..................................................................62
6.7 SYSTEM MICROCOMPUTER TEST PROGRAM ....................................................................................62
7. GENERAL INFORMATION .............................................................................................................................63 C
7.1 DIAGNOSIS..............................................................................................................................................63
7.1.1 DISASSEMBLY......................................................................................................................................63
7.1.2 CONNECTOR FUNCTION DESCRIPTION ..........................................................................................68
7.2 IC ..............................................................................................................................................................69
7.3 EXPLANATION .........................................................................................................................................81
7.3.1 OPERATIONAL FLOW CHART .............................................................................................................81
7.3.2 CIRCUIT DESCRIPTIONS ....................................................................................................................82
7.4 CLEANING ...............................................................................................................................................84
8. OPERATIONS .................................................................................................................................................85


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DEH-P8MP/XN/UC
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1. SPECIFICATIONS

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DEH-P8MP/XN/UC
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DEH-P8MP/XN/UC
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2. EXPLODED VIEWS AND PARTS LIST
NOTES :