Aiwa AV-D78 Service Manual
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Aiwa AV-D78 Service Manual

Aiwa AV-D78 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
STEREO RECEIVER
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
AV-D78 (U), (S/M Code No. 09-013-444-5T1).
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http://www.xiaoyu163.com
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S/M Code No. 09-014-444-5R1
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  • Page 1 AV-D78 3 7 63 1515 0 SERVICE MANUAL L 13942296513 STEREO RECEIVER • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" AV-D78 (U), (S/M Code No. 09-013-444-5T1). u163 S/M Code No. 09-014-444-5R1 http://www.xiaoyu163.com...

  • Page 2: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 <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) SUPER WOOFER : 1.5 V...

  • Page 3: Electrical Main Parts List

    http://www.xiaoyu163.com ELECTRICAL MAIN PARTS LIST 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-A40-752-080 ZENER,UZ6.2BSC 87-A40-764-080 ZENER,UZ10BSC 87-A21-760-040 C-IC,NJM4580V 87-A40-740-080 ZENER,UZ3.3BSA 8B-AR1-602-030 C-IC,UPD780228GF-083 87-A40-757-080 ZENER,UZ7.5BSC 87-A21-831-010 IC,SPS-422-1-F1 87-A40-488-080 DIODE,1SS244 87-020-784-040 C-IC,TC4053BF 87-A21-703-040 C-IC,SN74LV244APW 87-A40-751-080...
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C318 87-A11-548-080 C-CAP,S 560P-50 K B C559 87-A10-293-080 CAP,M 6800P-50 J C319 87-012-368-080 C-CAP,S 0.1-50 F C560 87-010-759-080 C-CAP,U 0.1-25F C321 87-012-282-080 CAP, U 4700P-50 C561 87-A10-039-080...
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION R416 87-A00-418-010 RES,M/F 0.15-3W J C204 87-012-336-080 CAP, CHIP SS 3300 SL R424 87-A00-418-010 RES,M/F 0.15-3W J C205 87-012-336-080 CAP, CHIP SS 3300 SL R587 87-A00-147-090 RES,M/F 68-1W J RSF(S)
  • Page 6 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C802 87-010-829-080 CAP, U 0.047-16 J940 87-A60-633-010 CONN,2P H 2.5MM JMT C807 87-A10-463-080 C-CAP,U 0.47-10 Z F L801 87-A50-608-010 COIL,FM DET-N(TOK) C808 87-A11-056-080 C-CAP,U 1-10 Z F L802...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C206 87-A10-369-080 C-CAP,S 0.47-16 K B C801 87-010-759-080 C-CAP,U 0.1-25F C207 87-010-759-080 C-CAP,U 0.1-25F C802 87-012-286-080 CAP, U 0.01-25 C209 87-A12-091-080 CAP,E 10-50 SMG C804 87-A10-039-080 C-CAP,U 470P-50 J CH...

  • Page 8: Chip Resistor Part Code

    http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-012-368-080 C-CAP,S 0.1-50 F C823 87-012-271-080 C-CAP,U 560P-50 K B 87-012-368-080 C-CAP,S 0.1-50 F C824 87-012-271-080 C-CAP,U 560P-50 K B 87-012-286-080 C-CAP,S 0.01-25 K B C827 87-012-368-080 C-CAP,S 0.1-50 F...

  • Page 9: Transistor Illustration

    http://www.xiaoyu163.com TRANSISTOR ILLUSTRATION 3 7 63 1515 0 E C B E C B G D S B C E 2SA1931 2SK3053 CC5551 2SC2001K FN1016 CSC4115BC FP1016 2SA1015GR KTA1046Y 2SA1980G 2SC1815GR 2SC5343Y E C B 2SK2158 2SK360E 2SA1037K(R) CSA1362GR 2SC4115SRS 2SA1514K(S) CSD1306E DTC114ES...
  • Page 10 http://www.xiaoyu163.com WIRING – 1 (MAIN) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 10 – http://www.xiaoyu163.com...

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

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 1 (MAIN : 1 / 2) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 11 – http://www.xiaoyu163.com...
  • Page 12 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 2 (MAIN : 2 / 2) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 12 – http://www.xiaoyu163.com...
  • Page 13 http://www.xiaoyu163.com WIRING – 2 (FRONT) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 13 – http://www.xiaoyu163.com...

  • Page 14: Schematic Diagram - 3 (Front)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 3 (FRONT) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 14 – http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com WIRING – 3 (TUNER) 3 7 63 1515 0 L 13942296513 u163 – 15 – http://www.xiaoyu163.com...

  • Page 16: Schematic Diagram - 4 (Tuner)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 4 (TUNER) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 16 – http://www.xiaoyu163.com...
  • Page 17 http://www.xiaoyu163.com WIRING – 4 (HP – VIDEO / VOLUME / SPEAKER) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 17 – http://www.xiaoyu163.com...
  • Page 18 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 5 (HP – VIDEO / VOLUME / SPEAKER) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 18 – http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com WIRING – 5 (DIGITAL) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 19 – http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 6 (DIGITAL) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 20 – http://www.xiaoyu163.com...
  • Page 21 http://www.xiaoyu163.com WIRING – 6 (AMP) 3 7 63 1515 0 L 13942296513 u163 – 21 – http://www.xiaoyu163.com...
  • Page 22 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 7 (AMP) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 22 – http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com WIRING – 7 (PT / AC OUTLET) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 23 – http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 8 (PT / AC OUTLET) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 24 – http://www.xiaoyu163.com...

  • Page 25: Ic Block Diagram

    http://www.xiaoyu163.com IC BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 25 – http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 26 – http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com FL (HNA-12SM12 BAR-3) GRID ASSIGINMENT / ANODE CONNECTION 3 7 63 1515 0 GRID ASSIGNMENT L 13942296513 ANODE CONNECTION u163 – 27 – http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com IC DESCRIPTION IC, UPD780228GF-083 3 7 63 1515 0 Pin No. Pin Name Description O-K-SCAN Switch scan timing output. TUNER ON Tuner ON/OFF output. O-DATA(M) Data output for sound. Connected to a pulled up resistor. O-STB(M) Latch strobe output for sound control. O-MUTE System mute ON/OFF output.
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Description Pin No. HOLD Power failure detected input "L" to stop and hold memory. I-RE-VOL Volume rotary encoder signal input (Main vol L & R). RDS-SIG RDS signal level input. (Not used) I-JOG2 Multi jog rotary encoder signal input.
  • Page 30 http://www.xiaoyu163.com ADJUSTMENT <TUNER / FRONT> < TUNER SECTION > < FRONT SECTION > 3 7 63 1515 0 1. µ-CON OSC Adjustment 1. Clock Frequency Check Settings : • Test point : TP2 (CLK) Settings : • Test point : TP1 (K-SCAN) and GND Method : Set to AM 1710kHz and check that the test point is •...

  • Page 31: Mechanical Exploded View

    http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 BINDER,WIRE HT-SINK F-BEAD 1 3 9 4 2 2 9 6 5 1 3 PLATE,PT HT-SINK ASSY CHAS FRONT PLATE, BOTTOM CHAS MAIN w w w u 1 6 3 –...

  • Page 32: Mechanical Parts List

    PANEL,REAR UBM 8A-AR3-007-010 RING,VOL 8B-AR1-215-010 HLDR,PWB F AMP 8A-AR3-047-010 RING,FUN 8B-AR1-209-010 HLDR,PWB MAIN 8A-AR3-009-010 REFLECTOR,FUN 8B-AR1-006-010 BTN,SP 87-CE3-023-010 BADGE,AIWA 30N SILV 8B-AR1-205-010 HLDR,PWB DD 8B-AR1-055-010 KEY,SOUND 8B-AR1-212-010 HLDR,PWB TUNER 8B-AR2-020-010 CABI,FR U 87-033-209-010 TERMINAL, EARTH 8Z-AR1-020-110 RING,FOOT SIL 88-912-131-110 FF-CABLE,12P 1.25 130MM...
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 2000041 0251431 Printed in Singapore http://www.xiaoyu163.com...

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