PIONEER DEH-P4500MPXM Service Manual

PIONEER DEH-P4500MPXM Service Manual
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Service Manual for PIONEER DEH-P4500MPXM, downloadable as a PDF file.

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The manual has 76 pages
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Available language versions: English
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Sample pages

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 2003

K-ZZY. JAN. 2003 Printed in Japan

ORDER NO.

CRT3019

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

DEH-P450MP

XM/UC

Service

Manual

DEH-P450MP/XM/UC

- This service manual should be used together with the following manual(s):

Model No.

Order No.

Mech. Module Remarks

CX-3057

CRT3026

S10MP3

CD Mech. Module:Circuit Description, Mech.Description, Disassembly

DEH-P4500MP XM/UC

For details, refer to "Important symbols for good services".

DEH-P3550MP XM/ES

234

DEH-P450MP/XM/UC

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.

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.

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

DEH-P450MP/XM/UC

- 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 55.

3. After replacing the pickup unit, be sure to check the

grating.(See p.52.)

CONTENTS

SAFETY INFORMATION ............................................................................................................................................2

1. SPECIFICATIONS .......................................................................................................................................................4

2. EXPLODED VIEWS AND PARTS LIST.......................................................................................................................6

2.1 PACKING...............................................................................................................................................................6

2.2 EXTERIOR (DEH-P450MP, P4500MP)..................................................................................................................8

2.3 EXTERIOR (DEH-P3550MP) ...............................................................................................................................12

2.4 CD MECHANISM MODULE ...............................................................................................................................14

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...................................................................................................16

3.1 BLOCK DIAGRAM ..............................................................................................................................................16

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ........................................................................................18

3.3 KEYBOARD UNIT ...............................................................................................................................................24

3.4 CD MECHANISM MODULE ...............................................................................................................................26

4. PCB CONNECTION DIAGRAM ................................................................................................................................36

4.1 TUNER AMP UNIT .............................................................................................................................................36

4.2 PANEL UNIT .......................................................................................................................................................40

4.3 KEYBOARD UNIT ...............................................................................................................................................41

4.4 CD MECHANISM MODULE ...............................................................................................................................42

5. ELECTRICAL PARTS LIST ........................................................................................................................................44

6. ADJUSTMENT .........................................................................................................................................................49

6.1 JIG CONNECTION DIAGRAM ...........................................................................................................................49

6.2 CD ADJUSTMENT .............................................................................................................................................50

6.3 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT................................................................52

6.4 ERROR MODE ....................................................................................................................................................54

7. GENERAL INFORMATION .......................................................................................................................................55

7.1 DIAGNOSIS ........................................................................................................................................................55

7.1.1 DISASSEMBLY ..............................................................................................................................................55

7.1.2 CONNECTOR FUNCTION DESCRIPTION ....................................................................................................57

7.2 PARTS .................................................................................................................................................................59

7.2.1 IC ....................................................................................................................................................................59

7.2.2 DISPLAY.........................................................................................................................................................68

7.3 OPERATIONAL FLOW CHART...........................................................................................................................70

7.4 CLEANING ..........................................................................................................................................................71

8. OPERATIONS ...........................................................................................................................................................72