Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer DEH DEH-P77DH & P47DH Pioneer_DEH-P77DH,P47DH

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Service DEH-P77DH/X1M/UC

Manual ORDER NO.
CRT2455

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

DEH-P77DH
DEH-P47DH X1M/UC
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 7. GENERAL INFORMATION .......................................51
2. EXPLODED VIEWS AND PARTS LIST .......................2 7.1 DIAGNOSIS ........................................................51
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10 7.1.1 TEST MODE ..............................................51
4. PCB CONNECTION DIAGRAM ................................28 7.1.2 DISASSEMBLY .........................................54
5. ELECTRICAL PARTS LIST ........................................38 7.2 PARTS .................................................................59
6. ADJUSTMENT..........................................................47 7.2.1 IC................................................................59
7.2.2 DISPLAY ....................................................65
7.3 OPERATIONAL FLOW CHART ...........................66
8. OPERATIONS AND SPECIFICATIONS.....................67

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
DEH-P77DH,P47DH

- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer 2. During disassembly, be sure to turn the power off
to"Disassembly"(see page 54). since an internal IC might be destroyed when a con-
During replacement, handling precautions shall be nector is plugged or unplugged.
taken to prevent an electrostatic discharge(protection 3. Please checking the grating after changing the ser-
by a short pin). 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 3
1
11

9 4 6

2
8
DEH-P77DH,P47DH

13
12

15 22 17
20 18
21
14 19
16

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) PACKING SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
* 1-1 Card ARY1048 13 Nut CBN1012
1-2 Owner's Manual See Contrast table(2) * 14 Polyethylene Bag CEG1203
1-3 Installation Manual See Contrast table(2) 15 Spacer CLA2598
* 1-4 Label CRW1343 16 Bracket CNC6767
2 Cord Assy CDE6216 17 Bracket CNC5506

3 Accessory Assy CEA2006 18 Bracket CNC5507
4 Polyethylene Bag CEG1116 19 Bracket CNC5686
* 5 Polyethylene Bag CEG1272 20 Bracket CNC5687
6 Battery See Contrast table(2) 21 Bolt Unit CXA7960
7 Carton See Contrast table(2) 22 Bolt Unit CXA7961

8 Contain Box See Contrast table(2)
9 Protector CHP2255
10

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