PIONEER 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 EUROPE N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
K-ZZA. FEB. 2000 Printed in Japan
ORDER NO.
CRT2455
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P77DH
X1M/UC
Service
Manual
DEH-P47DH X1M/UC
DEH-P77DH/X1M/UC
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module
Remarks
CX-958
CRT2423
S8.1
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10
4. PCB CONNECTION DIAGRAM ................................28
5. ELECTRICAL PARTS LIST ........................................38
6. ADJUSTMENT..........................................................47
7. GENERAL INFORMATION .......................................51
7.1 DIAGNOSIS ........................................................51
7.1.1 TEST MODE ..............................................51
7.1.2 DISASSEMBLY .........................................54
7.2 PARTS .................................................................59
7.2.1 IC................................................................59
7.2.2 DISPLAY ....................................................65
7.3 OPERATIONAL FLOW CHART ...........................66
8. OPERATIONS AND SPECIFICATIONS.....................67
2
DEH-P77DH,P47DH
- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(see page 54).
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 49).
1. SAFETY INFORMATION
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
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
8
3
9
7
9
2
5
6
1
11
4
*
1-1 Card
ARY1048
1-2 Owner's Manual
See Contrast table(2)
1-3 Installation Manual
See Contrast table(2)
*
1-4 Label
CRW1343
2 Cord Assy
CDE6216
3 Accessory Assy
CEA2006
4 Polyethylene Bag
CEG1116
*
5 Polyethylene Bag
CEG1272
6 Battery
See Contrast table(2)
7 Carton
See Contrast table(2)
8 Contain Box
See Contrast table(2)
9 Protector
CHP2255
10 ·····
11 Remote Control Unit
See Contrast table(2)
12 Screw
BSZ30P050FMC
13 Nut
CBN1012
*
14 Polyethylene Bag
CEG1203
15 Spacer
CLA2598
16 Bracket
CNC6767
17 Bracket
CNC5506
18 Bracket
CNC5507
19 Bracket
CNC5686
20 Bracket
CNC5687
21 Bolt Unit
CXA7960
22 Bolt Unit
CXA7961
DEH-P77DH,P47DH
Mark No. Description
Part No.
Mark No. Description
Part No.
(1) PACKING SECTION PARTS LIST
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.
3
19
3
22
21
14
20
16
18
17
15
13
12
4
DEH-P77DH,P47DH
(2) CONTRAST TABLE
DEH-P77DH/X1M/UC and DEH-P47DH/X1M/UC are constructed the same except for the following:
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEH-P77DH/X1M/UC
CRD3176
English, French
CRD3177
English, French
DEH-P47DH/X1M/UC
CRD3178
English, French
CRD3179
English, French
Part No.
Mark No. Symbol and Description DEH-P77DH/X1M/UC
DEH-P47DH/X1M/UC
1-2 Owner's Manual
CRD3176
CRD3178
1-3 Installation Manual
CRD3177
CRD3179
6 Battery
CEX1030
Not used
7 Carton
CHG4025
CHG4026
8 Contain Box
CHL4025
CHL4026
11 Remote Control Unit
CXB4285
Not used
5
DEH-P77DH,P47DH
2.2 EXTERIOR