Aiwa AV-D77 Service Manual
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Aiwa AV-D77 Service Manual

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SERVICE MANUAL
STEREO AV RECEIVER
• This Service Manual is the "Supplement" and replaces "Simple Manual"
(S/M Code No. 09-00A-429-6T3).
• This Service Manual contains information about the difference between
AV-D77 (HC) and AV-D77 (EZ). If requiring other information, see Service
Manual of AV-D77 (U,EZ), (S/M Code No. 09-007-429-6R2).
AV-D77
S/M Code No. 09-00B-429-6S1
HC

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Summary of Contents for Aiwa AV-D77

  • Page 1 • This Service Manual is the “Supplement” and replaces “Simple Manual” (S/M Code No. 09-00A-429-6T3). • This Service Manual contains information about the difference between AV-D77 (HC) and AV-D77 (EZ). If requiring other information, see Service Manual of AV-D77 (U,EZ), (S/M Code No. 09-007-429-6R2). S/M Code No. 09-00B-429-6S1...

  • Page 2: Specifications

    SPECIFICATIONS FM tuner section Outputs AUDIO OUT (REC OUT): 300 mV Tuning range 87.5 MHz to 108 MHz (1 kohm) Usable sensitivity (IHF) 13.2 dBf VIDEO OUT (MONITOR): 1 Vp-p Antenna terminals 75 ohms (unbalanced) (75 ohms) SUB WOOFER: 5.0 V AM tuner section FRONT SPEAKERS IMP: 8 / 4 ohms Tuning range...

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-A40-270-080 C-DIODE,MC2838 87-A40-004-080 ZENER,MTZJ16A 87-017-888-080 C-IC,NJM4558MD 87-A40-335-080 ZENER,MTZJ11C T-72 87-A21-501-010 C-IC,YSS902 87-070-274-080 DIODE,1N4003 SEM 87-A21-503-010 C-IC,AK4527VQ 87-A40-435-080 ZENER,MTZJ30D 87-020-903-010 IC,NJM7805FA 87-017-022-080 C-IC,NJM2068M-D(T1) 87-A40-347-080 ZENER,MTZJ2.2B 87-A40-341-080 ZENER,MTZJ36A 87-020-784-040...
  • Page 4 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C203 87-010-178-080 C-CAP,S 1000P-50 K B C411 87-016-526-080 C-CAP,S 0.47-16 BK C204 87-010-178-080 C-CAP,S 1000P-50 K B C412 87-010-402-080 CAP,E 2.2-50 M 11L SME C205 87-010-405-080 CAP,E 10-50 M 11L SME C413 87-010-196-080 C-CAP,S 0.1-25 Z F C2012...
  • Page 5 KANRI REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. DESCRIPTION C661 87-010-196-080 C-CAP,S 0.1-25 Z F R176 87-A00-401-050 RES,M/F 390-1W J VTP C700 87-018-203-080 CAP,TC U 8200P R179 87-A00-373-050 RES,M/F 270-1W J VTP C701 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 R180 87-A00-403-080 RES,M/F 560-1W J T52L25.5...
  • Page 6 KANRI REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. DESCRIPTION C814 87-010-178-080 C-CAP,S 1000P-50 K B C2012 LED712 87-A40-317-080 LED,SLR-342VCT31 RED C815 87-010-196-080 C-CAP,S 0.1-25 Z F S801 87-A90-095-080 SW,TACT EVQ11G04M C816 87-010-312-080 C-CAP,S 15P-50 J CH GRM S802 87-A90-095-080 SW,TACT EVQ11G04M...
  • Page 7 KANRI REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. DESCRIPTION C153 87-010-178-080 C-CAP,S 1000P-50 K B C2012 C225 87-012-155-080 C-CAP,S 180P-50 J CH GRM C154 87-010-178-080 C-CAP,S 1000P-50 K B C2012 C226 87-012-155-080 C-CAP,S 180P-50 J CH GRM C155 87-A10-369-080 C-CAP,S 0.47-16 K B...
  • Page 8 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION KANRI VOLUME C.B PR116 87-026-682-080 PROTECTOR,10A 491SERIES 60V 8Z-NF8-663-010 PT,SUB ZNF-8(H) C601 87-010-195-080 C-CAP,S 0.068-25 Z F C2012 PT101 8A-AR1-608-110 PT,AAR-1 HC (KAM1) C602 87-010-195-080 C-CAP,S 0.068-25 Z F C2012 87-A90-454-010 RELAY,12V DJ12D2-O(M) C603...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C823 87-012-286-080 C-CAP, U 0.01-25 T102 87-A60-317-010 TERMINAL, 1P MSC C828 87-010-196-080 CHIP CAPACITOR,0.1-25 C829 87-010-196-080 CHIP CAPACITOR,0.1-25 C959 87-010-196-080 CHIP CAPACITOR,0.1-25 SPKR C.B C960 87-010-196-080 CHIP CAPACITOR,0.1-25 87-010-190-080 C-CAP,S 0.01-50 Z F C961...

  • Page 10: Transistor Illustration

    CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Wattage Type Tolerance Symbol Resistor Code Form 1/16W 1005 0.35 1/16W 1608 0.45 1/10W 2125 1.25 0.45 1/8W 3216 0.55 TRANSISTOR ILLUSTRATION B C E 2SA1514 FN1016...
  • Page 11 WIRING – 1 (MAIN / VCC2 / VCC3) – 11 –...
  • Page 12 SCHEMATIC DIAGRAM – 1 (MAIN 1/2) – 12 –...
  • Page 13 SCHEMATIC DIAGRAM – 2 (MAIN 2/2 / VCC2 / VCC3) – 13 –...
  • Page 14 WIRING – 2 (FRONT) – 14 –...
  • Page 15 SCHEMATIC DIAGRAM – 3 (FRONT) – 15 –...
  • Page 16 WIRING – 3 (DIGITAL) – 16 –...
  • Page 17 SCHEMATIC DIAGRAM – 4 (DIGITAL) – 17 –...
  • Page 18 WIRING – 4 (VOLUME / VIDEO / GEQ) – 18 –...
  • Page 19 SCHEMATIC DIAGRAM – 5 (VOLUME / VIDEO / GEQ) – 19 –...
  • Page 20 WIRING – 5 (PT / AC – SW) – 20 –...
  • Page 21 SCHEMATIC DIAGRAM – 6 (PT / AC – SW) – 21 –...

  • Page 22: Wiring - 6 (Tuner)

    WIRING – 6 (TUNER) – 22 –...
  • Page 23 SCHEMATIC DIAGRAM – 7 (TUNER) – 23 –...
  • Page 24 WIRING – 7 (SPKR) – 24 –...
  • Page 25 SCHEMATIC DIAGRAM – 8 (SPKR) – 25 –...
  • Page 26 WIRING – 8 (MIC / KEY CON) – 26 –...
  • Page 27 SCHEMATIC DIAGRAM – 9 (MIC / KEY CON) – 27 –...

  • Page 28: Ic Block Diagram

    IC BLOCK DIAGRAM – 28 –...
  • Page 29 ADJUSTMENT <TUNER / FRONT> < TUNER SECTION > < FRONT SECTION > 1. µ-CON OSC Adjustment 1. Clock Frequency Check Settings : • Test point : TP1 and GND Settings : • Test point : TP2(CLK) • Adjustment location : L801 Method : Set to AM 1602kHz and check that the test point is 2052kHz ±...
  • Page 30 MECHANICAL EXPLODED VIEW 1 / 1 SP TERMINAL AZA-8 WIRE,BINDER HT-SINK, WIRE, TR VR BINDER PLATE, HT,SINK ASSY CHAS,FRONT PLATE, BOTTOM CHAS,MAIN WIRE,BINDER AV-D77 (HCNC1NC) (FileName:EXP.EPS) 12/10/18 (AAR-2) – 30 –...

  • Page 31: Mechanical Parts List

    8 8A-AR3-069-010 RING,FUN GLD 43 88-AR2-205-110 HLDR,PWB OSD 9 8A-AR3-009-010 REFLECTOR,FUN 44 87-084-077-010 NYLON RIVET, 3.5-4.5 10 87-B00-002-010 BADGE,AIWA 30 ABS SIL A 87-067-703-010 TAPPING SCREW, BVT2+3-10 11 8Z-AR1-020-110 RING,FOOT SIL B 87-721-095-410 QT2+3-8GLD W/O SLOT 12 8A-AR2-002-010 CABI,FR H GLD...

  • Page 32: Accessories / Package List

    ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8A-AR2-901-010 IB,H(EC-K)S 2 87-A90-030-010 ANT,LOOP AM-NC C 3 87-043-115-010 FEEDER-ANT,FM 4 8A-AR2-705-010 RC UNIT,RC-AAR02 – 32 –...
  • Page 33 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 0251431 Printed in Singapore...

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Av-d97

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