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

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AV-D77
U,EZ
SERVICE MANUAL
STEREO AV RECEIVER
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
AV-D77 (U,EZ), (S/M Code No. 09-004-429-6T2).
S/M Code No. 09-007-429-6R2

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  • Page 1 AV-D77 U,EZ SERVICE MANUAL STEREO AV RECEIVER • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” AV-D77 (U,EZ), (S/M Code No. 09-004-429-6T2). S/M Code No. 09-007-429-6R2...

  • Page 2: Table Of Contents

    TABLE OF CONTENT SPECIFICATIONS ................................3 ELECTRICAL MAIN PARTS LIST ..........................4 ~ 14 TRANSISTOR ILLUSTRATION ............................15 WIRING – 1 (U: MAIN / VCC2 / VCC3) ..........................16 SCHEMATIC DIAGRAM – 1 (U: MAIN 1/2) ........................17 SCHEMATIC DIAGRAM – 2 (U: MAIN 2/2 / VCC2 / VCC3) ..................... 18 WIRING –...

  • Page 3: Specifications

    SPECIFICATIONS FM tuner section DIGITAL IN COAXIAL (VIDEO 2) : Tuning range 87.5 MHz to 108 MHz OPTICAL (VIDEO 1) : Usable sensitivity (IHF) 13.2 dBf OPTICAL (VIDEO 3) : Antenna terminals 75 ohms (unbalanced) U: accept linear PCM signals and bit stream of Dolby Digital AM(MW) Tuner section and DTS Surround (32 kHz,...

  • Page 4: 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-A40-002-080 ZENER,MTZJ5.1C 87-A21-419-040 C-IC,NJM14558MD-TE2 87-A40-004-080 ZENER,MTZJ16A<U> 87-A21-502-010 C-IC,YSD917 87-A40-003-080 ZENER,MTZJ4.3A<EZ> 87-A21-500-010 C-IC,YSS912<U> 87-A40-335-080 ZENER,MTZJ11C T-72 87-A21-501-010 C-IC,YSS902<EZ> 87-A21-503-010 C-IC,AK4527VQ 87-A40-224-010 DIODE,GBU8DL 87-070-274-080 DIODE,1N4003 SEM 87-020-903-010 IC,NJM7805FA...
  • Page 5 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C174 87-010-401-080 CAP,E 1-50 M 11L SME C402 87-010-181-080 C-CAP,S 1800P-50 K B GRM C175 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 C403 87-010-405-080 CAP,E 10-50 M 11L SME C203 87-010-178-080 C-CAP,S 1000P-50 K B C2012...
  • Page 6 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C618 87-010-404-080 CAP,E 4.7-50 M 11L SME R143 87-A00-259-080 RES,M/F 0.33-1W J C619 87-010-404-080 CAP,E 4.7-50 M 11L SME R176 87-A00-401-050 RES,M/F 390-1W J VTP C620 87-010-101-080 CAP,E 220-16 M SME R179 87-A00-402-050 RES,M/F 560-1W J VTP...
  • Page 7 KANRI REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. DESCRIPTION C133 87-010-404-080 CAP,E 4.7-50 M 11L SME C318 87-A10-516-080 C-CAP,S 100P-200 J CH C135 87-012-368-080 C-CAP,S 0.1-50 Z F C321 87-016-526-080 C-CAP,S 0.47-16 BK C136 87-012-368-080 C-CAP,S 0.1-50 Z F C322 87-016-526-080 C-CAP,S 0.47-16 BK...
  • Page 8 KANRI REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. DESCRIPTION C560 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 J902 87-A60-950-010 JACK,PIN 3P R/W/Y W/E GLD C561 87-012-140-080 C-CAP,S 470P-50 J CH J903 87-A60-949-010 JACK,PIN 3P R/W/Y V GLD C562 87-012-140-080 C-CAP,S 470P-50 J CH J904...
  • Page 9 KANRI REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. DESCRIPTION C711 87-010-263-040 CAP,E 100-10 M 11L SME CN801 87-A60-079-010 CONN,08P H 9604S-08F C712 87-010-382-040 CAP,E 22-25 M 11L SME CN802 87-A61-195-010 CONN,35P H 9604S-35C<EZ> C714 87-010-560-040 CAP,E 10-50 M 5L MA CN802 87-A60-064-010 CONN,32P H 9604S-32F<U>...
  • Page 10 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION C139 87-010-314-080 C-CAP,S 22P-50 J CH GRM C210 87-010-154-080 C-CAP,S 10P-50 D CH GRM C140 87-010-552-040 CAP,E 22-16 M 5L SRE C211 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 C141 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 C212 87-010-196-080...
  • Page 11 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION JW179 87-008-372-080 FLTR,EMI BL01 RN1<U> 87-A60-317-010 TERMINAL, 1P MSC L102 87-A50-095-010 COIL,68UH RCR875D 87-A60-317-010 TERMINAL, 1P MSC L103 87-005-274-080 COIL,68UH K LAL03 L104 87-008-501-080 FLTR, DSS306-55 L106 87-008-372-080 FLTR,EMI BL01 RN1 PT C.B <EZ>...
  • Page 12 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION C784 87-012-286-080 CAP, U 0.01-25 C762 87-012-286-080 CAP,U 0.01-25 C785 87-010-805-080 CAP, S 1-16 C763 87-010-829-080 CAP,U 0.047-16 C786 87-010-805-080 CAP, S 1-16 C765 87-012-286-080 CAP,U 0.01-25 C787 87-012-280-080 CAP, U 3300P-50 C766 87-012-286-080 CAP,U 0.01-25...
  • Page 13 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION FFE801 A8-6ZA-191-130 6ZA-1 FEENM C615 87-010-371-080 CAP, ELECT 470-6.3V J802 87-033-241-010 TERMINAL,ANT 2P AJ-2039 C616 87-010-371-080 CAP, ELECT 470-6.3V L771 87-A50-266-010 COIL,FM DET-2N(TOK) C617 87-010-196-080 C-CAP,S 0.1-25 L772 87-A90-733-010 FLTR,PCFAZH-450(TOK) C618 87-010-387-080 CAP, E 470-25 SME...
  • Page 14 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 – 14 –...

  • Page 15: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B E C B E C B B C E 2SB1370 DTC114ES CC5551 CSD1489 2SC4115 2SA1296 KTC3199 KTA1266 KTA1267 KTC3198 DTA144WK 2SK2158 2SK3053 2SA1037 2SK360E DTC123JK 2SA1235 DTC124EK 2SC3052 RT1N144C 2SC2714 RT1N141C 2SD1306 RT1P141C CMBT5401 RT1P144C CMBT5551 CSA1362 CSD1306...

  • Page 16: Wiring - 1 (U: Main / Vcc2 / Vcc3)

    WIRING – 1 (U : MAIN / VCC2 / VCC3) – 16 –...

  • Page 17: Schematic Diagram - 1 (U: Main 1/2)

    SCHEMATIC DIAGRAM - 1 (U: MAIN 1/2) – 17 –...

  • Page 18: Schematic Diagram - 2 (U: Main 2/2 / Vcc2 / Vcc3)

    SCHEMATIC DIAGRAM - 2 (U: MAIN 2/2 / VCC2 / VCC3) – 18 –...

  • Page 19: Wiring - 2 (Ez: Main / Vcc2 / Vcc3)

    WIRING – 2 (EZ : MAIN / VCC2 / VCC3) – 19 –...

  • Page 20: Schematic Diagram - 3 (Ez: Main 1/2)

    SCHEMATIC DIAGRAM - 3 (EZ: MAIN 1/2) – 20 –...

  • Page 21: Schematic Diagram - 4 (Ez: Main 2/2 / Vcc2 / Vcc3)

    SCHEMATIC DIAGRAM - 4 (EZ: MAIN 2/2 / VCC2 / VCC3) – 21 –...

  • Page 22: Wiring - 3 (Front)

    WIRING – 3 (FRONT) – 22 –...

  • Page 23: Schematic Diagram - 5 (Front)

    SCHEMATIC DIAGRAM - 5 (FRONT) L801 U-CON OSC ADJ – 23 –...

  • Page 24: Wiring - 4 (Digital)

    WIRING – 4 (DIGITAL) – 24 –...

  • Page 25: Schematic Diagram - 6 (Digital)

    SCHEMATIC DIAGRAM - 6 (DIGITAL) – 25 –...

  • Page 26: Wiring - 5 (Volume / Video / Geq)

    WIRING – 5 (VOLUME / VIDEO / GEQ) – 26 –...

  • Page 27: Schematic Diagram - 7 (Volume / Video / Geq)

    SCHEMATIC DIAGRAM - 7 (VOLUME / VIDEO / GEQ) – 27 –...

  • Page 28: Wiring - 6 (U: Pt)

    WIRING – 6 (U : PT) – 28 –...

  • Page 29: Schematic Diagram - 8 (U: Pt)

    SCHEMATIC DIAGRAM - 8 (U: PT) PR116 PR115 – 29 –...

  • Page 30: Wiring - 7 (Ez: Pt)

    WIRING – 7 (EZ : PT) – 30 –...

  • Page 31: Schematic Diagram - 9 (Ez: Pt)

    SCHEMATIC DIAGRAM - 9 (EZ: PT) – 31 –...

  • Page 32: Wiring - 8 (U: Tuner)

    WIRING – 8 (U: TUNER) – 32 –...

  • Page 33: Schematic Diagram - 10 (U: Tuner)

    SCHEMATIC DIAGRAM - 10 (U: TUNER) – 33 –...

  • Page 34: Wiring - 9 (Ez: Tuner)

    WIRING – 9 (EZ: TUNER) – 34 –...

  • Page 35: Schematic Diagram - 11 (Ez: Tuner)

    SCHEMATIC DIAGRAM - 11 (EZ: TUNER) – 35 –...

  • Page 36: Wiring - 10 (U: S-Video)

    WIRING – 10 (U : S-VIDEO) – 36 –...

  • Page 37: Schematic Diagram -12 (U: S-Video)

    SCHEMATIC DIAGRAM - 12 (U: S-VIDEO) – 37 –...

  • Page 38: Wiring - 11 (Spkr)

    WIRING – 11 (SPKR) – 38 –...

  • Page 39: Schematic Diagram -13 (Spkr)

    SCHEMATIC DIAGRAM - 13 (SPKR) – 39 –...

  • Page 40: Wiring - 12 (U: Ac)

    WIRING – 12 (U : AC) – 40 –...

  • Page 41: Schematic Diagram -14 (U: Ac)

    SCHEMATIC DIAGRAM - 14 (U: AC) – 41 –...

  • Page 42: Ic Block Diagram

    IC BLOCK DIAGRAM – 42 –...
  • Page 43 – 43 –...
  • Page 44 – 44 –...

  • Page 45: Fl (Bj759Gk) Grid Assignment And Anode Connection

    FL (BJ759GK) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – 45 –...
  • Page 46 ANODE CONNECTION – 46 –...

  • Page 47: Ic Description

    IC DESCRIPTION U: IC, UPD780228GF-066, EZ: IC, UPD780228GF-071 Pin No. Pin Name Description O-K-SCAN Switch scan timing output. O-PLL-CE PLL IC chip enable output. O-DATA(M) Data output for sound. I-TUNE/IFC TUNE-IF count serial data input. O-STB(M) Latch strobe output for sound CTRL. O-MUTE System mute ON/OFF output.
  • Page 48 Pin No. Pin Name Description I-RDS-SIG/ RDS signal level input. (EZ only) SYNC-DET I-JOG2 Rotary encoder signal input (Multi jog). I-FU-JOG1 Rotary encoder signaal input (Func jog). I-KEY2 Key input (A/D). I-KEY1 Key input (A/D). I-MULTI-LEVEL Multi Level meter input. AVSS GND.
  • Page 49 U: IC, YSS912, EZ: IC, YSS902 Pin No. Pin Name Description +5V power supply for (I/Os). VDD1 RAMCEN External SRAM Interface / CE. (Not used) RAMA16 External SRAM Interface address 16. (Not used) RAMA15 External SRAM Interfce address 15. (Not used) SDIB0~2 PCM input 0~2 to Sub DSP.
  • Page 50 Pin No. Pin Name Description Ground. RAMA4 External SRAM Interface address 4. (Not used) Initial clear. TEST Test terminal (Not used). RAMA3 External SRAM Interface address 3. (Not used) /CSB Sub DSP Chip select. Microprocessor interface Chip select. Microprocessor interface Serial data output. Microprocessor interface / Sub DSP Serial data input.
  • Page 51 IC, YSD917 Pin No. Pin Name Description AVDD Analog power supply for PLL (+5V). PLL filter connection terminal. AVSS Analog ground. Master / slave mode selection. (Not used) DDIN Digital audio interface data input. TEST Test terminal (To be open). (Not used) Initial clear input.

  • Page 52: Adjustment

    ADJUSTMENT <TUNER/FRONT> < TUNER SECTION > < EZ ONLY > < TUNER SECTION > < U ONLY > 1. Clock Frequency Check 1. Clock Check Settings : • Test point : TP2 (CLK) Settings : • Test point : TP2(CLK) Method : Set to MW 1602kHz and check that the test point is Method : Set to AM 1710kHz and check that the test point is...

  • Page 53: Mechanical Exploded View 1 / 1

    MECHANICAL EXPLODED VIEW 1 / 1 P.C.B P.C.B P.C.B P.C.B WIRE,BINDER P.C.B P.C.B HT-SINK, P.C.B TR VR P.C.B PLATE, WIRE, BINDER P.C.B P.C.B HT,SINK P.C.B ASSY CHAS,FRONT PLATE, BOTTOM CHAS,MAIN P.C.B AV-D77 (EZBM,UBM) – 53 – (FileName:EXP.EPS) 12/3/13 (AAR-2)

  • Page 54: Mechanical Parts List 1 / 1

    TERMINAL, EARTH 8 8A-AR3-047-010 RING,FUN 34 8Z-AR1-219-110 HLDR,PWB PRO 9 8A-AR3-009-010 REFLECTOR,FUN 35 88-912-161-110 FF-CABLE,12P 1.25 160MM 10 87-CE3-023-010 BADGE,AIWA 30N SILV 36 8A-AR1-609-010 PT,AAR-1(KAMI)<EZ> 11 8Z-AR1-020-110 RING,FOOT SIL 36 8A-AR1-605-010 PT,AAR-1(U)<U> 12 8A-AR2-001-010 CABI,FR U 37 88-904-121-110 FF-CABLE,4P 1.25 120MM<U>...

  • Page 55: Accessories / Package List

    ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8A-AR2-913-010 IB,U(ESF)M AV-D77 <U> 1 8A-AR2-906-010 IB,EZ(9L)M <EZ> 2 87-006-225-010 ANT,LOOP ANT NC2 3 87-043-115-010 FEEDER-ANT,FM <U> 3 87-A90-118-010 ANT WIRE,FM(Z) <EZ> 4 8A-AR1-701-010 RC UNIT,RC-AAR01 BLK <U> 4 8A-AR2-701-110 RC UNIT,RC-AAR02 BLK <EZ>...
  • Page 56 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 0251431 Printed in Singapore...

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