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Pioneer A-109 Service Manual

Stereo amplifier
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STEREO AMPLIFIER
A-109
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
A-109
MYXJ7
¶ This service manual should be used together with the following manual(s):
Model No.
A-209R/MYXJ
¶ For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.
PIONEER CORPORATION
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
PIONEER CORPORATION 2006
Type
Power Requirement
AC 220 V to 230 V
Order No.
RRV2283
CONTENTS
1. CONTRAST OF MISCELLANEOUS PARTS ........ 2
2. SCHEMATIC DIAGRAM ....................................... 4
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
RRV3538
Remarks
Remarks
T – ZZK NOV. 2006 Printed in Japan
ORDER NO.

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  Summary of Contents for Pioneer A-109

  • Page 1 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 PIONEER CORPORATION 2006 T –...
  • Page 2: Contrast Of Miscellaneous Parts

    Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 5.62k Ω → 562 × 10 → 5621 ............RN1/4PC 5 6 2 1 CONTRAST TABLE A-109/MYXJ7 and A-209R/MYXJ are constructed the same except for the following : Part No. Ref. Mark Symbol and Description A-209R A-109 Remarks...
  • Page 3 Not used D704 1SS355 Not used S701 Not used VSG1009 S703, S704 VSG1009 Not used R705 RS1/10S271J Not used R708 RS1/10S472J Not used R709 RS1/10S223J Not used 1603 3P CABLE HOLDER 51063-0305 Not used J603 JUMPER WIRE DA15A03-100-2651 Not used A-109...
  • Page 4: Schematic Diagram

    2. SCHEMATIC DIAGRAM 2.1 AF ASSY : AUDIO SIGNAL ROUTE AF ASSY AWX8601 C313,C337 : IDLE ADJ. (L CH) C314,C338 : IDLE ADJ. (R CH) CN501 A-109...
  • Page 5 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491001 MFD, BY LITTELFUSE INK. FOR IC454 (AEK7009). UDZS36(B) UDZS36(B) ACH7242 C451 (4700/42) ACH7243 C452 IRF530(S) (4700/42) D3SBA20(B) IRF9530(S) UDZS5R6(B) IRF530(S) IRF9530(S) Q333–Q334: J551 CN601 A-109...
  • Page 6 2.2 FRONT L ASSY FRONT L ASSY AWX7120 FRONT L ASSY S701 : SPEAKER A S702 : LOUDNESS A-109...

This manual is also suitable for:

A-209rMyxj7Myxj