PIONEER MEHP9050 Service Manual

Cover page of PIONEER MEHP9050 Service Manual

Service Manual for PIONEER MEHP9050, downloadable as a PDF file.

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PIONEER ELECTRONIC 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 ELECTRONIC [EUROPE] N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999
K-ZZD. MAY 1999 Printed in Japan
ORDER NO.
CRT2384
MULTI-CD/DAB CONTROL DSP HIGH POWER MINIDISC PLAYER WITH RDS TUNER
MEH-P9000R
UC
Service
Manual
Multi-CD/MD/DAB CONTROL DSP HIGH POWER MINIDISC PLAYER WITH RDS TUNER
MEH-P9000R EW
MEH-P9050 ES
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...18
4. PCB CONNECTION DIAGRAM ................................58
5. ELECTRICAL PARTS LIST ........................................72
6. ADJUSTMENT..........................................................91
7. GENERAL INFORMATION .......................................92
7.1 DIAGNOSIS ........................................................92
7.1.1 TEST MODE ..............................................92
7.1.2 DISASSEMBLY .......................................115
7.2 IC ......................................................................117
8. OPERATIONS AND SPECIFICATIONS...................136
NOTE:
- US and foreign patents licensed from Dolby Laboratories Licensing Corporation.
MEH-P9000R/UC
MULTI-CD CONTROL DSP HIGH POWER MINIDISC PLAYER WITH FM/AM TUNER
SERVICE PRECAUTION
In the first production, the following parts had been mounted temporarily to support the microcomputer
<MEH-P9000R/UC> IC601 (PD5492A): R632 (RS1/16S473J), R631 (RS1/16S102J), and IC631.
When replacing IC601 PD5492A, use PD5492B as IC601, and then remove the 3 parts listed above.
<DEH-P9050/ES> IC601 (PD5490A): R632 (RS1/16S473J), R631 (RS1/16S102J), and IC631.
When replacing IC601 PD5490A, use PD5490B as IC601, and then remove the 3 parts listed above.
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PIONEER ELECTRONIC 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 ELECTRONIC [EUROPE] N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999
K-ZZD. MAY 1999 Printed in Japan
ORDER NO.
CRT2384
MULTI-CD/DAB CONTROL DSP HIGH POWER MINIDISC PLAYER WITH RDS TUNER
MEH-P9000R
UC
Service
Manual
Multi-CD/MD/DAB CONTROL DSP HIGH POWER MINIDISC PLAYER WITH RDS TUNER
MEH-P9000R EW
MEH-P9050 ES
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...18
4. PCB CONNECTION DIAGRAM ................................58
5. ELECTRICAL PARTS LIST ........................................72
6. ADJUSTMENT..........................................................91
7. GENERAL INFORMATION .......................................92
7.1 DIAGNOSIS ........................................................92
7.1.1 TEST MODE ..............................................92
7.1.2 DISASSEMBLY .......................................115
7.2 IC ......................................................................117
8. OPERATIONS AND SPECIFICATIONS...................136
NOTE:
- US and foreign patents licensed from Dolby Laboratories Licensing Corporation.
MEH-P9000R/UC
MULTI-CD CONTROL DSP HIGH POWER MINIDISC PLAYER WITH FM/AM TUNER
SERVICE PRECAUTION
In the first production, the following parts had been mounted temporarily to support the microcomputer
<MEH-P9000R/UC> IC601 (PD5492A): R632 (RS1/16S473J), R631 (RS1/16S102J), and IC631.
When replacing IC601 PD5492A, use PD5492B as IC601, and then remove the 3 parts listed above.
<DEH-P9050/ES> IC601 (PD5490A): R632 (RS1/16S473J), R631 (RS1/16S102J), and IC631.
When replacing IC601 PD5490A, use PD5490B as IC601, and then remove the 3 parts listed above.
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2
MEH-P9000R,P9050
1. SAFETY INFORMATION
1.1 MEH-P9000R/UC
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
1.2 MEH-P9000R/EW
1. Safety Precautions for those who Service this Unit.
· When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable
results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
2. A "CLASS 1 LASER PRODUCT" label is affixed to the
bottom of the player.
3. The triangular label is attached to the mechanism
module frame.
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength
=
780 nanometers
CLASS 1
LASER PRODUCT
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3
MEH-P9000R,P9050
background image
MEH-P9000R,P9050
4
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING(MEH-P9000R/UC, MEH-P9050/ES)
8
1
26
21
27
25
24
22
13
18
19
7
15
10
11
12
14
9
16
17
23
20
6
5
2
3
4
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5
MEH-P9000R,P9050
- Owner's Manual, Installation Manual
Model
Part No.
Language
MEH-P9000R/UC
CRD2951
English, French
CRD2952
English, French
MEH-P9050/ES
CRD2953
English, Spanish
CRD2954
Portuguese, Arabic
CRD2955
English, Spanish, Portuguese, Arabic
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.
- PACKING SECTION PARTS LIST
Part No.
Mark
No.
Description
MEH-P9000R/UC
MEH-P9050/ES
1
Cord Assy
CDE5867
CDE5867
2
Base Assy
CEA2426
CEA2426
*
3
Base
CNS5031
CNS5031
*
4
Sheet
CZA3371
CZA3371
5
Polyethylene Bag
CZE3188
CZE3188
6
Microphone Assy
CPM1022
CPM1022
7
Spring
CBH-865
CBH-865
8
Case Assy
CXB3520
CXB3520
9
Screw
BMZ50P060FMC
BMZ50P060FMC
10
Screw
CBA-102
Not used
11
Screw
CBA1002
CBA1002
12
Screw
CBA1120(M2X6)
CBA1120(M2X6)
*
13
Polyethylene Bag
CEG-127
CEG-127
14
Screw
CMZ50P060FMC
CMZ50P060FMC
15
Nut
NF50FMC
Not used
*
16
Polyethylene Bag
CEG-158
CEG-158
17
Handle
CNC5395
CNC5395
18
Strap
CNF-111
Not used
19
Bush
CNV1917
CNV1917
20-1
Polyethylene Bag
CEG1116
CEG1116
20-2
Owner's Manual
CRD2951
CRD2953
20-3
Owner's Manual
Not used
CRD2954
20-4
Installation Manual
CRD2952
CRD2955
*
20-5
Caution Card
CRP1207
CRP1207
*
20-6
Card
ARY1048
Not used
*
20-7
Label
CRW1343
Not used
21
Polyethylene Bag
CEG1185
CEG1088(Cover)
22
Remote Control Assy
CXB3875
CXB3875
23
Battery
CEX1006
CEX1006
24
Carton
CHG3772
CHG3772
25
Contain Box
CHL3772
CHL3772
26
Protector
CHP2032
CHP2032
27
Protector
CHP2033
CHP2033

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