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Aiwa HT-DV90 Service Manual
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Aiwa HT-DV90 Service Manual

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HT-DV90
U (S) K(S) EZ(S)
SERVICE MANUAL
DVD STEREO SYSTEM
BASIC DVD/CD MECHANISM: MGD-F6103A
Replace this Service Manual with "Revision Publishing" when it is issued.
S/M Code No. 09-01B-359-3T1

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Konrad Bach
July 14, 2025

My AIWA HT DV90 doesn't turn on. Obviously some voltages are not available. AC is there also some of the DC's but not all

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Summary of Contents for Aiwa HT-DV90

  • Page 1 HT-DV90 U (S) K(S) EZ(S) SERVICE MANUAL DVD STEREO SYSTEM BASIC DVD/CD MECHANISM: MGD-F6103A Replace this Service Manual with ”Revision Publishing” when it is issued. S/M Code No. 09-01B-359-3T1...
  • Page 2 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC SQ-X1A-750-Y00 IB,EZ K SQ-X1A-750-Z00 IB,EZ K...
  • Page 3 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC FRONT X BN 73...
  • Page 4 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC FRONT SR-J10-DJ1-03T C-RES,10K-1/10W J...
  • Page 5 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC FUNCTION SC-EA1-VH1-00T CAP,E 10U-35 FUNCTION SC-US1-E10-4ZF C-CAP,0.1U-25 Z...
  • Page 6 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC FUNCTION SR-J10-DJ0-R0T C-RES,0-1/10W J...
  • Page 7 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC FUNCTION SR-J10-DJ4-73T C-RES,47K-1/10W J...
  • Page 8 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SC-US1-H33-0JA C-CAP,33P-50 J...
  • Page 9 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SC-US1-E10-4ZF C-CAP,0.1U-25 Z MAIN SC-US1-E10-4ZF C-CAP,0.1U-25 Z...
  • Page 10 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SC-EA1-EH4-70T CAP,E 47U-25...
  • Page 11 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SC-US1-H22-2KC C-CAP,2200P-50 K...
  • Page 12 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN O CN 12...
  • Page 13 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN O JK 51...
  • Page 14 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SR-J10-DJ4-71T C-RES,470-1/10W J...
  • Page 15 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SR-J10-DJ5-62T C-RES,5.6K-1/10W J MAIN SR-J10-DJ5-62T C-RES,5.6K-1/10W J...
  • Page 16 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SR-J10-DJ2-22T C-RES,2.2K-1/10W J MAIN SR-J10-DJ2-22T C-RES,2.2K-1/10W J...
  • Page 17 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SR-J10-DJ1-81T C-RES,180-1/10W J...
  • Page 18 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SR-J10-DJ1-02T C-RES,1K-1/10W J...
  • Page 19 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC MAIN SR-J10-DJ3-30T C-RES,33-1/10W J MAIN SR-J10-DJ2-22T C-RES,2.2K-1/10W J...
  • Page 20 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL HT-DV90 HT-DV90 HT-DV90 EZSC SG-W1A-322-000 FRONT PANEL SG-W1A-330-000 PANEL,SUB...
  • Page 21 SCHEMATIC DIAGRAM - 1/6 (MAIN SECTION) -1/2 TO MAIN C.B-2/2 MAIN C.B-1/2 -21-...
  • Page 22 SCHEMATIC DIAGRAM - 2/6 (MAIN SECTION) -2/2 MAIN C.B-2/2 TO DVD/CD MECHANISM TO DVD/CD MECHANISM TO FRONT C.B CN71 TO FRONT C.B CN72 -22-...
  • Page 23 SCHEMATIC DIAGRAM - 3/6 (FRONT/KEY1/KEY2 SECTION) TO MAIN C.B-2/2 CN71 TO MAIN C.B-2/2 CN72 FRONT C.B KEY1 C.B KEY2 C.B -23-...
  • Page 24 SCHEMATIC DIAGRAM - 4/6 (FUNCTION SECTION) FUNCTION C.B TO TUNER PACK -24-...
  • Page 25 SCHEMATIC DIAGRAM -5/6 (POWER SECTION) <K,EZ> -25-...
  • Page 26 SCHEMATIC DIAGRAM -6/6 (POWER SECTION) <U> -26-...
  • Page 27 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 H251941 Printed in Singapore...