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Pioneer VSX-D638-G Service Manual
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Pioneer VSX-D638-G Service Manual

Pioneer VSX-D638-G Service Manual

Audio/video multi-channel receiver
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AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D638-G
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
VSX-D638-G
‡
HLXJI
‡
LBXJI
‡
YPWXJI
∗
: Alter the wiring of the Power-supply block at the primary winding of Power-transformer referring to the "Line Voltage Selection" described
in Service Manual.
¶ This service manual should be used together with the following manual(s):
Model
VSX-808RDS/HYXJI
PIONEER ELECTRONIC CORPORATION
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. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1999
Power Requirement
AC220-230V
AC110V
AC240V
Order No.
RRV2115
CONTENTS
1. CONTRAST OF MISCELLANEOUS PARTS ........ 2
2. SCHEMATIC DIAGRAM ....................................... 5
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
RRV2154
The voltage can be converted by
the following method.
∗
AC240V,
–––––––
–––––––
Remarks
T – ZZK JUNE 1999 Printed in Japan
ORDER NO.

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Summary of Contents for Pioneer VSX-D638-G

  • Page 1 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. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER ELECTRONIC CORPORATION 1999 T –...

  • Page 2: Contrast Of Miscellaneous Parts

    562 x 10 5.62k 5621 RN1/4PC 5 6 2 1 CONTRAST TABLE VSX-D638-G/HLXJI, LBXJI, YPWXJI and VSX-808RDS/HYXJI are constructed the same except for the following : Part No. Ref. No. Mark Symbol and Description VSX-808RDS VSX-D638-G VSX-D638-G VSX-D638-G Remarks /HYXJI...

  • Page 3: F Amp Assy

    VSX-D638-G Part No. Ref. No. Mark Symbol and Description VSX-808RDS VSX-D638-G VSX-D638-G VSX-D638-G Remarks /HYXJI /HLXJI /LBXJI /YPWXJI P5-31 Rear Panel ANC7723 ANC7765 ANC7768 ANC7766 P5-32 Bonnet Case AZN7771 AZN7823 AZN7823 AZN7823 P5-41 Volume Knob AAB7179 AAB7180 AAB7180 AAB7180 P5-43...
  • Page 4 VSX-D638-G INPUT ASSY AWX7365 and AWX7210 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks AWX7210 AWX7365 Q105 Not used KRA101M Q106 Not used KRC103M Q107 2SC1740S Not used C144 ACH7112 (3300µF/35V) CEAT332M35 C145 ACH7113 (2200µF/35V)

  • Page 5: Schematic Diagram

    VSX-D638-G 2. SCHEMATIC DIAGRAM Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST" 2.1 INPUT ASSY 1/2 F INPUT ASSY(1/2) (AWX7365) TO FM/AM TUNER UNIT CN202 1/2F...

  • Page 6: Front Assy

    VSX-D638-G 2.2 FRONT ASSY FRONT ASSY (AWX7218)