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Aiwa AV-DV75 HC Service Manual
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Aiwa AV-DV75 HC Service Manual

Aiwa AV-DV75 HC Service Manual

Stereo av receiver
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AV-DV75
HC

SERVICE MANUAL

STEREO AV RECEIVER
S/M Code No. 09-994-324-8N3

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Summary of Contents for Aiwa AV-DV75 HC

  • Page 1: Service Manual

    AV-DV75 SERVICE MANUAL STEREO AV RECEIVER S/M Code No. 09-994-324-8N3...

  • Page 2: Specifications

    SPECIFICATIONS • Design and specifications are subject to change without notice. • Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol and “PRO LOGIC” are trademarks of Dolby Laboratories Licensing Corporation. Laboratories Licensing Corporation. •...

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 87-A40-002-080 ZENER,MTZJ5.1C 87-A40-115-060 DIODE,RS603M 87-017-915-080 IC,BU4094BCF 87-A40-469-080 C-DIODE,HSM2838CTR 87-A20-823-010 C-IC,YSS248 87-A40-004-080 ZENER,MTZJ16A 87-017-888-080 IC,NJM4558MD 87-A40-335-080 ZENER,MTZJ11C T-72 87-A20-824-010 C-IC,CS4226 8Z-AR2-610-010 C-IC,UPD780228GF-048 87-A40-224-010 DIODE,GBU8D 87-070-274-080 DIODE,1N4003 SEM 87-020-903-010 IC,NJM7805FA...
  • Page 4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C208 87-016-299-080 CAP,E 10-100 SME C411 87-010-805-080 CAP, S 1-16 C209 87-010-406-080 CAP, ELECT 22-50 C412 87-010-402-080 CAP, ELECT 2.2-50V C210 87-010-406-080 CAP, ELECT 22-50 C413 87-010-196-080 CHIP CAPACITOR,0.1-25 C211 87-010-322-080 C-CAP,S 100P-50 CH...
  • Page 5 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C661 87-010-196-080 CHIP CAPACITOR,0.1-25 R332 87-A00-418-010 RES,M/F 0.15-3W J C745 87-012-368-080 C-CAP,S 0.1-50 F R333 87-A00-418-010 RES,M/F 0.15-3W J C746 87-012-368-080 C-CAP,S 0.1-50 F R334 87-A00-418-010 RES,M/F 0.15-3W J C901 87-010-406-080 CAP, ELECT 22-50...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C153 87-012-368-080 C-CAP,S 0.1-50 F SW102 87-A90-950-010 SW,RTRY EC12E12504 ENCORDER C154 87-012-368-080 C-CAP,S 0.1-50 F X101 87-A70-075-080 VIB,CER 4.19MHZ CRHF C155 87-012-157-080 C-CAP,S 330P-50 CH C156 87-015-699-040 CAP,E 10-50 7L C157 87-012-157-080 C-CAP,S 330P-50 CH...
  • Page 7 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C828 87-010-196-080 CHIP CAPACITOR,0.1-25 C150 87-010-405-080 CAP, ELECT 10-50V C829 87-010-196-080 CHIP CAPACITOR,0.1-25 C151 87-010-405-080 CAP, ELECT 10-50V C959 87-010-196-080 CHIP CAPACITOR,0.1-25 C152 87-010-405-080 CAP, ELECT 10-50V C960 87-010-196-080 CHIP CAPACITOR,0.1-25 C153...
  • Page 8 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C227 87-010-405-080 CAP, ELECT 10-50V C504 87-010-188-080 CAP,CHIP 6800P C228 87-010-405-080 CAP, ELECT 10-50V C507 87-018-209-080 CAP, CER 0.1-50V C230 87-010-196-080 CHIP CAPACITOR,0.1-25 CN401 87-099-758-010 CONN,17P H 9604 C232 87-010-196-080 CHIP CAPACITOR,0.1-25...
  • Page 9 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION D650 87-070-136-080 ZENER,MTZJ5.1B 87-018-209-080 CAP, CER 0.1-50V CN101 88-805-042-690 CONN ASSY,4P CN103 87-A60-851-010 CONN,9P V VH MIC C.B 87-A90-195-080 PROTECTOR 7A 125V 49 !PR105 !PR106 87-A90-195-080 PROTECTOR 7A 125V 49 C601 87-010-196-080 CHIP CAPACITOR,0.1-25...

  • Page 10: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B E C B 2SC4115 2SA1037 DTA144WK DTA114YS 2SA1296 2SB1370 DTC124EK 2SA1235 CC5551 2SB1375 2SC2714 RN1410 FN 1016 CSD1489 RT1N141C 2SC3052 DTC114ES FP 1016 RT1N144C 2SD1306 KTA1266GR KTC3199GR CMBT5401 RT1P141C KTA1267GR RT1P144C CMBT5551 KTC3198GR CSA1362 2SK2158 2SK2937...
  • Page 11 BLOCK DIAGRAM MIC C.B FRONT C.B VIDEO C.B (2/2) Q111 J601 RESET HOLD DELAY AMP MIC1 RESET MIC AMP IC601(2/2) IC601(1/2) Q601 NJM4558 NJM4558 SW101 J602 DELAY LED DRIVER VOLUME IC101,102 MIC2 JOG1 SW401 BU4049BLF µCON FUNCTION JOG2 SW102 IC103 µPD780028GF-027-3BA FIL1 DISPLAY...
  • Page 12 WIRING-1 (MAIN)
  • Page 13 SCHEMATIC DIAGRAM-1 (MAIN 1/2)
  • Page 14 WIRING-2 (SPKR) SCHEMATIC DIAGRAM-2 (SPKR)
  • Page 15 SCHEMATIC DIAGRAM-3 (MAIN 2/2)
  • Page 16 WIRING-3 (FRONT)
  • Page 17 SCHEMATIC DIAGRAM-4 (FRONT)
  • Page 18 WIRING-4 (TUNER)
  • Page 19 SCHEMATIC DIAGRAM-5 (TUNER)
  • Page 20 WIRING-5 (DOLBY)
  • Page 21 SCHEMATIC DIAGRAM-6 (DOLBY)
  • Page 22 WIRING-6 (HP/VIDEO/GEQ)
  • Page 23 SCHEMATIC DIAGRAM-7 (HP/VIDEO/GEQ)
  • Page 24 WIRING-7 (AC/PT)
  • Page 25 SCHEMATIC DIAGRAM-8 (AC/PT)
  • Page 26 WIRING-8 (OSD/KEY/MIC)
  • Page 27 SCHEMATIC DIAGRAM-9 (OSD/KEY/MIC)
  • Page 28 ELECTRICAL ADJUSTMENT FL (BJ691GK) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT TUNER C.B FFE801 L772 L771 L981 IC771 < TUNER SECTION > 1. Clock Frequency Check ANODE CONNECTION Settings: • Test point: TP2 (CLK IC770 pin30) PRACTICAL SERVICE FIGURE Method: Set to AM 1602kHz and check that the test <...
  • Page 29 IC BLOCK DIAGRAM IC, BU4094BCF IC, M62431FP IC, BA3880S...
  • Page 30 IC, CS4226 IC, CS4926 IC, BA7625...
  • Page 31 IC, M62439SP IC, LC72131D IC, BA033ST...
  • Page 32 IC, TC4053BF IC, M65849BFP631D IC, M65847AFP...
  • Page 33 IC DESCRIPTION IC, UPD780228GF Pin No. Pin Name Description Pin No. Pin Name Description ________________ K-SCAN Scan output to diode input (Active “L”). I-SYNC-DET/I-RDS-SIG OSD sync. AD input. RDS tuning signal level. AD input. O-PLL-CE Tuner PLL chip enable output. I-JOG2 Rotary encoder (JOG2).
  • Page 34 MECHANICAL EXPLODED VIEW 1/1 P.C.B PLATE PT HT-SINK P.C.B P.C.B P.C.B P.C.B PLATE SHLD P.C.B CHASS MAIN P.C.B P.C.B P.C.B CHASS FR P.C.B PLATE BOTTOM P.C.B...

  • Page 35: Mechanical Parts List

    KEY,MIC 5 8Z-AR1-012-010 KNOB,RTRY FUN 30 87-085-185-010 BUSHING, AC CORD (E) 6 8Z-AR1-017-010 RING,VOL 31 87-A80-083-010 AC CORD,HC BLK 7 82-NE6-067-010 BADGE,AIWA 30N 32 8Z-AR1-003-010 CABI,STEEL 8 8Z-NB8-240-010 COVER, PL 33 8Z-AR1-007-010 KEY,ENTER 9 8Z-AR1-020-110 RING,FOOT SIL 34 8Z-AR1-021-110 FOOT,REAR...
  • Page 36 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 920074...