Pioneer fhp 404 service manual

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(U) PIONEEIT

ervice wgc
Manual

MULTI-CD/MD CONTROL TUNER CD DECK AMPLIFIER

FH-P4D ..

FH-P4D4 .5

ORDER NO.

CRT2247

[Em

. See the separate manual CX-597(CRT1829) for the CD mechanism description, disassembly and circuit
description.

. The CD mechanism employed in this model is one of 87 series.

. See the separate manual CX-631ICRT1640) for the cassette mechanism description, disassembly and
circuit description.

. The cassette mechanism employed in this model is one of 2L series.

. 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 ........................ 7. GENERAL INFORMATION.
2. EXPLODED VIEWS AND PARTS LIST... 7.1 PARTS ...........................
3. SCHEMATIC DIAGRAM .............. 7.1.1 IC ...............
4. PCB CONNECTION DIAGRAM 7.1.2 DISPLAY...
5. ELECTRICAL PARTS LIST 7.2 DISASSEMBLY ......
6. ADJUSTMENT .................. 7.3 BLOCK DIAGRAM.

8. OPERATIONS AND SPECIFICATIONS ..................... 82

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 23880

© PIONEER ELECTRONIC CORPORATION 1998 Kim AUG ,998 Primed in Japan

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FH-P4D4

. CD Player Service Precautions

1. For pickup unit(CXX1230) handling, please refer 2. During disassembly, be sure to turn the power off
to"Disassembly"(CX-597 Service Manual CRT1829)_ since an internal IC might be destroyed when a con-
During replacement, handling precautions shall be nectoris 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 unitisee page 66).

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