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Service
FH-P4000/X1N/UC
Manual LOUD
1 2 3 4 5
SOURCE / OFF
6
ENT
D
DISP CLOCK
F
A
ORDER NO.
CRT2674
MULTI-CD CONTROL DSP HIGH POWER CD CASSETTE PLAYER WITH FM/AM TUNER
FH-P4000
MULTI-CD CONTROL DSP HIGH POWER CD CASSETTE PLAYER WITH RDS TUNER
X1N/UC,X1N/ES
FH-P4000R X1N/EW
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-977 CRT2624 S9 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
CONTENTS
1. SAFETY INFORMATION ............................................3 7. GENERAL INFORMATION .......................................72
2. EXPLODED VIEWS AND PARTS LIST .......................4 7.1 DIAGNOSIS ........................................................72
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...16 7.1.1 TEST MODE ..............................................72
4. PCB CONNECTION DIAGRAM ................................40 7.1.2 DISASSEMBLY .........................................76
5. ELECTRICAL PARTS LIST ........................................50 7.1.3 CONNECTOR FUNCTION DESCRIPTION .......80
6. ADJUSTMENT..........................................................67 7.2 PARTS .................................................................81
7.2.1 IC................................................................81
7.2.2 DISPLAY ....................................................96
7.3 OPERATIONAL FLOW CHART ...........................97
8. OPERATIONS AND SPECIFICATIONS.....................98
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 NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001 K-ZZA. MAR. 2001 Printed in Japan
FH-P4000,P4000R
- CD Player Service Precautions
1. For pickup unit(CXX1480) handling, please refer 2. During disassembly, be sure to turn the power off
to"Disassembly"(see page 76). 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 jumper-solder). vice pickup unit(see page 70).
2
FH-P4000,P4000R
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
1. Safety Precautions for those who Service this Unit.