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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 1998
K-ZZD. DEC. 1998 Printed in Japan
ORDER NO.
CRT2312
HIGH POWER CD PLAYER WITH RDS TUNER
DEH-2000R
X
1N/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
3. SCHEMATIC DIAGRAM ...........................................14
4. PCB CONNECTION DIAGRAM ................................38
5. ELECTRICAL PARTS LIST ........................................48
6. ADJUSTMENT..........................................................56
7. GENERAL INFORMATION .......................................60
7.1 PARTS .................................................................60
7.1.1 IC................................................................60
7.1.2 DISPLAY ....................................................67
7.2 DIAGNOSIS ........................................................68
7.2.1 DISASSEMBLY .........................................68
7.2.2 TEST MODE ..............................................69
7.3 BLOCK DIAGRAM ..............................................73
8. OPERATIONS AND SPECIFICATIONS.....................75
- See the separate manual CX-916(CRT2300) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of S8 series.
DEH-2030R
X
1N/EW
DEH-2020R
X
1N/GR
DEH-2000R/X1N/EW


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2
DEH-2000R,2030R,2020R
- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(CX-916 Service Manual CRT2300).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 58).
1. SAFETY INFORMATION
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.
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
unit frame.
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength
=
800 nanometers
CLASS 1
LASER PRODUCT


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3
DEH-2000R,2030R,2020R
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
- DEH-2000R/X1N/EW
11
8
9
5
4
6
3
2
7
12
13
10
1
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEH-2000R/X1N/EW
CRD2841
English, Spanish
CRD2842
German, French
CRD2843
Italian, Dutch
CRD2844
English, Spanish, German, French, Italian, Dutch
1 Cord Assy
CDE5754
*
2 Accessory Assy
CEA2397
3 Screw
CBA1002
4 Handle
CNC5395
5 Bush
CNV3930
*
6 Polyethylene Bag
E36-615
7 Polyethylene Bag
CEG-162
8-1 Owner's Manual
CRD2841
8-2 Owner's Manual
CRD2842
8-3 Owner's Manual
CRD2843
8-4 Installation Manual
CRD2844
*
8-5 Passport
CRY1013
*
8-6 Warranty Card
CRY1087
8-7 Polyethylene Bag
CEG1116
9 Case Assy
CXB3520
10 Carton
CHG3652
11 Contain Box
CHL3652
12 Protector
CHP2101
13 Protector
CHP2102
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST
NOTE:
- Parts marked by "*" and | can not be supplied.
- Screws adjacent to
mark on the product are used for disassembly.


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4
DEH-2000R,2030R,2020R
- DEH-2030R/X1N/EW
11
8
9
5
4
6
3
2
7
12
13
10
1
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEH-2030R/X1N/EW
CRD2841
English, Spanish
CRD2842
German, French
CRD2843
Italian, Dutch
CRD2844
English, Spanish, German, French, Italian, Dutch
1 Cord Assy
CDE5754
*
2 Accessory Assy
CEA2397
3 Screw
CBA1002
4 Handle
CNC5395
5 Bush
CNV3930
*
6 Polyethylene Bag
E36-615
7 Polyethylene Bag
CEG-162
8-1 Owner's Manual
CRD2841
8-2 Owner's Manual
CRD2842
8-3 Owner's Manual
CRD2843
8-4 Installation Manual
CRD2844
*
8-5 Passport
CRY1013
*
8-6 Warranty Card
CRY1087
8-7 Polyethylene Bag
CEG1116
9 Case Assy
CXB3520
10 Carton
CHG3653
11 Contain Box
CHL3653
12 Protector
CHP2101
13 Protector
CHP2102
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST


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5
DEH-2000R,2030R,2020R
- DEH-2020R/X1N/GR
11
8
9
5
4
6
3
2
7
12
13
10
1
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEH-2020R/X1N/GR
CRB1525
German
CRB1526
German
1 Cord Assy
CDE5754
*
2 Accessory Assy
CEA2397
3 Screw
CBA1002
4 Handle
CNC5395
5 Bush
CNV3930
*
6 Polyethylene Bag
E36-615
7 Polyethylene Bag
CEG-162
8-1 Owner's Manual
CRB1525
8-2 Installation Manual
CRB1526
*
8-3 Passport
CRY1013
*
8-4 Warranty Card
CRY1087
8-5 Polyethylene Bag
CEG1116
9 Case Assy
CXB3520
10 Carton
CHG3654
11 Contain Box
CHL3654
12 Protector
CHP2101
13 Protector
CHP2102
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST