Pioneer DEH-P44, Service Manual

Page: 1 / 68

ORDER NO.
Service
Manual
PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) 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
SELECT
AUDIO
EQ
SFEQ
DEH-P440/XN/UC
CRT2771
MULTI-CD CONTROL HIGH POWER CD PLAYRE WITH FM/AM TUNER
DEH-P440
/XN/UC
DEH-P4400
/XN/UC
DEH-P440
/XN/UC
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
K-ZZU2000.printed in Japan
CONTENTS
1.SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . 3
2.EXPLODED VIEWS AND PARTS LIST . . . . . . . . . . . . . 4
3.BLOCK DIAGRAM AND SCHEMATIC . . . . . . . . . . . . . 12
4.PCB CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . 26
5.ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . 34
6.ADJUSTMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . 48
7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.1.1 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . .48
7.1.2 CONNECTOR FUNCTION DESCRIPTION . . . . .51
7.2 PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
7.2.1 IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
7.2.2 DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
7.3 OPERATION FLOW CHART . . . . . . . . . . . . . . . . . . .63
7.4CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
8. OPERATIONS AND SPECIFICATIONS . . . . . . . . . . . .65
For details, refer to "Important symbols for good services" on the next page.
K-ZZU.2001.printed in Japan
/XN/UC