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Aiwa AV-DV75 Service Manual

Stereo av receiver
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AV-DV75
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SERVICE MANUAL

STEREO AV RECERIVER
S/M Code No. 09-994-324-8O1

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Summary of Contents for Aiwa AV-DV75

  • Page 1: Service Manual

    AV-DV75 SERVICE MANUAL STEREO AV RECERIVER S/M Code No. 09-994-324-8O1...

  • 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-A40-469-080 C-DIODE,HSM2838CTR 87-A40-004-080 ZENER,MTZJ16A 87-A20-823-010 C-IC,YSS248 87-A40-335-080 ZENER,MTZJ11C T-72 87-A20-824-010 C-IC,CS4226 87-A40-224-010 DIODE,GBU8D 87-017-022-080 IC,NJM2068M-D(T1) 87-070-274-080 DIODE,1N4003 SEM 87-020-784-080 IC,TC4053BF 87-A21-018-040 C-IC,M65849BFP631D 87-A40-435-080 ZENER,MTZJ30D 87-A40-347-080 ZENER,MTZJ2.2B 87-001-604-080...
  • Page 4 PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C409 87-A10-516-080 C-CAP,S 100P-200 J CH C211 87-010-322-080 C-CAP,S 100P-50 CH C212 87-010-322-080 C-CAP,S 100P-50 CH C410 87-010-805-080 CAP, S 1-16 C215 87-A10-897-080 CAP,E 100-25 BP SME C411 87-010-805-080 CAP, S 1-16 C216 87-A10-897-080 CAP,E 100-25 BP SME...
  • Page 5 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C702 87-010-404-080 CAP, ELECT 4.7-50V C105 87-010-196-080 CHIP CAPACITOR,0.1-25 C723 87-010-401-080 CAP, ELECT 1-50V C106 87-010-197-080 CAP, CHIP 0.01 DM C726 87-010-401-080 CAP, ELECT 1-50V C107 87-010-196-080 CHIP CAPACITOR,0.1-25 C745 87-012-368-080 C-CAP,S 0.1-50 F...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C178 87-010-196-080 CHIP CAPACITOR,0.1-25 C310 87-010-183-080 C-CAP,S 2700P-50 B C179 87-010-196-080 CHIP CAPACITOR,0.1-25 C311 87-012-393-080 C-CAP,S 0.22-16 R K C180 87-010-405-080 CAP, ELECT 10-50V C312 87-010-374-080 CAP, ELECT 47-10V C181 87-010-405-080 CAP, ELECT 10-50V...
  • Page 7 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C140 87-010-196-080 CHIP CAPACITOR,0.1-25 S115 87-A90-095-080 SW,TACT EVQ11G04M C769 87-010-260-080 CAP, ELECT 47-25V L981 87-NF4-650-010 COIL,AM PACK 4N(TOK) S116 87-A90-095-080 SW,TACT EVQ11G04M...

  • Page 8: Anode Connection

    FL (BJ691GK) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT • Regarding connectors, they are not stocked as they are not the initial order items. The connectors are available after they are supplied from connector manufacturers upon the order is received. CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code...

  • Page 9: Block Diagram

    BLOCK DIAGRAM E TUNER C.B A MAIN C.B B FRONT C.B TUNER BLOCK FL101 (DISPLAY) TUNE/IFC TUNE/IFC IC721 PLL-CE PLL-CE LC72131D T-BASE TM-BASS IC101,102 IF/DET MPX BU4049BLF µCON DATA IC771 DATA LA1837 IC103 µPD780028GF-027-3BA DRIVER S110,112,114~116 TUNER L STB-31 S403 ADO/CS KEY1 MATRIX...

  • Page 10: Wiring-1 (Main)

    WIRING-1 (MAIN)

  • Page 11: Schematic Diagram-1 (Main 1/2)

    SCHEMATIC DIAGRAM-1 (MAIN 1/2) TO/FROM AC1 C.B...
  • Page 12 WIRING-2 (AC/PT) SCHEMATIC DIAGRAM-2 (AC/PT)
  • Page 13 SCHEMATIC DIAGRAM-3 (MAIN 2/2) ADO/CS CN601...

  • Page 14: Wiring-3 (Front)

    WIRING-3 (FRONT)
  • Page 15 SCHEMATIC DIAGRAM-4 (FRONT)
  • Page 16 WIRING-4 (TUNER)

  • Page 17: Schematic Diagram-5 (Tuner)

    SCHEMATIC DIAGRAM-5 (TUNER)
  • Page 18 WIRING-5 (AC-3)
  • Page 19 SCHEMATIC DIAGRAM-6 (AC-3)
  • Page 20 WIRING-6 (HP VIDEO/GEQ) SW401 FUNCTION LED401 (INDICATOR) S403 TAPE MONITOR S402 S401 POWER J501 VIDEO3 J603 PHONES...
  • Page 21 SCHEMATIC DIAGRAM-7 (HP VIDEO/GEQ)

  • Page 22: Electrical Adjustment

    ELECTRICAL ADJUSTMENT IC BLOCK DIAGRAM IC, BU4094BCF TUNER C.B FFE801 L772 L771 L981 IC771 IC, M62431FP < TUNER SECTION > 1. Clock Frequency Check Settings: • Test point: TP2 (CLK IC770 pin30) PRACTICAL SERVICE FIGURE Method: Set to AM 1602kHz and check that the test <...
  • Page 23 IC, M62439SP IC, LC72131D IC, LA1837NL...
  • Page 24 IC, YSS248 IC, CS4226 IC, BA7625...
  • Page 25 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 26: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1 P.C.B PLATE PT HT-SINK P.C.B P.C.B P.C.B CHASS MAIN P.C.B PLATE SHLD P.C.B P.C.B CHASS FR P.C.B PLATE BOTTOM P.C.B...

  • Page 27: Mechanical Parts List

    FUSE,10A 125V T 237 5 8Z-AR1-012-010 KNOB,RTRY FUN 30 87-085-189-010 BUSHING, CORD (U) 6 8Z-AR1-017-010 RING,VOL 31 87-A80-110-010 AC CORD ASSY,U SPT-2W 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-AR1-020-010 RING,FOOT SIL 34 8Z-AR1-021-010...
  • Page 28 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 920074...

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