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MULTI-CD CONTROL DSP CD PLAYER WITH RDS/ID-LOGIC TUNER
DEX-P1R
UC
Service
Manual
DEH-P946
ES
DEX-P1
ES
DEX-P1R/UC
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. 501 Orchard Road, #10-00, Lane Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
ORDER NO.
CRT2206
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
3. SCHEMATIC DIAGRAM ...........................................18
4. PCB CONNECTION DIAGRAM ................................56
5. ELECTRICAL PARTS LIST ........................................74
6. ADJUSTMENT..........................................................92
7. GENERAL INFORMATION .......................................98
7.1 PARTS .................................................................98
7.1.1 IC................................................................98
7.1.2 DISPLAY ..................................................117
7.2 DIAGNOSIS ......................................................119
7.2.1 DISASSEMBLY .......................................119
7.2.2 TEST MODE ............................................120
7.3 BLOCK DIAGRAM ............................................124
8. OPERATIONS AND SPECIFICATIONS...................126
- See the separate manual CX-680(CRT2216) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of H1 series.
K-FEA. JUNE 1998 Printed in Japan
MULTI-CD CONTROL DSP HIGH POWER CD PLAYER WITH FM/AM TUNER
MULTI-CD CONTROL DSP CD PLAYER WITH FM/AM TUNER


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2
DEX-P1R,DEH-P946,DEX-P1
- CD Player Service Precautions
1. For pickup unit(CXX1290) handling, please refer
to"Disassembly"(CX-680 Service Manual CRT2216).
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 96).
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
Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxi-
cant which may cause birth defects or other reproductive harm (California Health and Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin
contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.
1. SAFETY INFORMATION


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27
33
26
15
16
7
13
9
10
11
12
8
28
31
18
30
4
20
35
36
17
3
32
2
24
19
25
23
5
6
21
37
38
22
14
29
3
DEX-P1R,DEH-P946,DEX-P1
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
- DEX-P1R/UC, DEX-P1/ES


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DEX-P1R,DEH-P946,DEX-P1
4
- Owner's Manual
Model
Part No.
Language
DEX-P1R/UC
CRB1514
English
DEX-P1/ES
CRD2730
English, Spanish
CRD2731
Portuguese, Arabic
- Installation Manual
Model
Part No.
Language
DEX-P1R/UC
CRB1515
English
DEX-P1/ES
CRD2660
English, Spanish
CRD2661
Portuguese, Arabic
- PACKING SECTION PARTS LIST
(1) PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
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.
1 ·····
2 Screw
BNC40P120FZK
3 Screw
BPZ30P100FZK
4 Bracket
CZN6467
5 Base Assy
CEA2426
6 Polyethylene Bag
CZE3188
7 Spring
CBH-865
8 Screw
BMZ50P060FMC
9 Screw
See Contrast table(2)
10 Screw
CBA1002
11 Screw
CBA1120
12 Screw
CMZ50P060FMC
13 Nut
See Contrast table(2)
14 Handle
CNC5395
15 Strap
See Contrast table(2)
16 Bush
CNV1917
17 Air Cushioned Bag
CEG1080
*
18 Polyethylene Bag
CEG-158
19 Polyethylene Bag
See Contrast table(2)
20 Air Cushioned Bag
CEG1192
21 Battery
CEX1006
22 Carton
See Contrast table(2)
23 Contain Box
See Contrast table(2)
24 Protector
CHP2032
25 Protector
CHP2033
26 Microphone Assy
CPM1022
27-1 Owner's Manual
See Contrast table(2)
27-2 Owner's Manual
See Contrast table(2)
27-3 Installation Manual
See Contrast table(2)
27-4 Installation Manual
See Contrast table(2)
*
27-5 Caution Card
See Contrast table(2)
*
27-6 Card
CRP1183
27-7 Polyethylene Bag
CEG1116
*
27-8 Warranty Card
See Contrast table(2)
*
27-9 Card
See Contrast table(2)
* 27-10 Caution Card
See Contrast table(2)
28 Case Assy
CXA7194
29 Bracket Assy
CEA2346
30 Remote Control Assy
See Contrast table(2)
30-1 Polyethylene Bag
CEG1011
31 Cord Assy
CDE5655
32 Screw Assy
CZE3198
*
33 Polyethylene Bag
CEG-127
34 ·····
*
35 Polyethylene Bag
CEG-127
*
36 Polyethylene Bag
CZE3201
*
37 Base
CNS5031
*
38 Sheet
CZA3371


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5
DEX-P1R,DEH-P946,DEX-P1
Part No.
Mark No. Symbol and Description DEX-P1R/UC
DEX-P1/ES
9 Screw
CBA-102
Not used
13 Nut
NF50FMC
Not used
15 Strap
CNF-111
Not used
19 Polyethylene Bag
CEG1185
*CEG1088
22 Carton
CHG3501
CHG3503
23 Contain Box
CHL3501
CHL3503
27-1 Owner's Manual
CRB1514
CRD2730
27-2 Owner's Manual
Not used
CRD2731
27-3 Installation Manual
CRB1515
CRD2660
27-4 Installation Manual
Not used
CRD2661
* 27-5 Caution Card
CRN1049
Not used
* 27-8 Warranty Card
CRY1070
Not used
* 27-9 Card
Not used
CRP1186
*27-10 Caution Card
CRN1049
Not used
30 Remote Control Assy
CXB2758
CXB2764
(2) CONTRAST TABLE
DEX-P1R/UC and DEX-P1/ES are constructed same except for the following: