Aiwa AV-DV95 Service Manual
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Aiwa AV-DV95 Service Manual

Aiwa AV-DV95 Service Manual

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AV-DV95
U

SERVICE MANUAL

STEREO AV RECEIVER
S/M Code No. 09-997-332-0N1

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Summary of Contents for Aiwa AV-DV95

  • Page 1: Service Manual

    AV-DV95 SERVICE MANUAL STEREO AV RECEIVER S/M Code No. 09-997-332-0N1...

  • 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-AR4-687-040 C-IC,LC74763M-9670 87-A40-469-080 C-DIODE,HSM2838CTR 87-017-915-080 IC,BU4094BCF 87-A40-004-080 ZENER,MTZJ16A 87-A20-870-010 IC,GP1F37R 87-A40-335-080 ZENER,MTZJ11C T-72 87-017-888-080 IC,NJM4558MD 8Z-AR1-633-010 C-IC,UPD780228GF 87-A40-224-010 DIODE,GBU8D 87-070-274-080 DIODE,1N4003 SEM 87-070-083-010 IC,GP1U281X...
  • Page 4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C206 87-010-405-080 CAP, ELECT 10-50V C409 87-A10-516-080 C-CAP,S 100P-200 J CH 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...
  • Page 5 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C746 87-012-368-080 C-CAP,S 0.1-50 F R416 87-A00-418-010 RES,M/F 0.15-3W J C901 87-010-406-080 CAP, ELECT 22-50 R417 87-A00-418-010 RES,M/F 0.15-3W J C902 87-010-406-080 CAP, ELECT 22-50 R424 87-A00-418-010 RES,M/F 0.15-3W J C903 87-010-406-080 CAP, ELECT 22-50...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C160 87-012-157-080 C-CAP,S 330P-50 CH C717 87-012-286-080 CAP, U 0.01-25 C162 87-010-182-080 C-CAP,S 2200P-50 B C719 87-012-286-080 CAP, U 0.01-25 C164 87-A10-189-040 CAP,E 220-10 C721 87-012-176-080 CAP 15P C170 87-012-157-080 C-CAP,S 330P-50 CH...
  • Page 7 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION L791 87-A50-209-010 COIL,1POLE MPX(MIT) C234 87-010-196-080 CHIP CAPACITOR,0.1-25 L792 87-A50-209-010 COIL,1POLE MPX(MIT) C235 87-010-405-080 CAP, ELECT 10-50V L832 87-005-847-080 COIL,2.2UH(CECS) C238 87-012-156-080 C-CAP,S 220P-50 CH L981 87-NF4-650-010 COIL,AM PACK 4N(TOK) C239 87-010-405-080 CAP, ELECT 10-50V...
  • Page 8 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION FB106 87-008-474-080 F-BEAD,EMI BL02RN1 C789 87-010-260-080 CAP, ELECT 47-25V FB107 87-008-474-080 F-BEAD,EMI BL02RN1 C790 87-010-260-080 CAP, ELECT 47-25V J101 87-A60-573-010 JACK,PIN 1P ORN C791 87-010-405-080 CAP, ELECT 10-50V L101 87-005-274-080 COIL,68UH K LAL03...

  • Page 9: Chip Resistor Part Code

    • 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 Value of resistor Chip resistor...

  • Page 10: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B E C B 2SC4115 DTA144WK DTA114YS 2SA1037 2SA1296 2SB1370 DTC124EK 2SA1235 CC5551 2SB1375 2SC2714 RN1410 CSD1489 FN 1016 RT1N141C 2SC3052 DTC114ES FP 1016 2SD1306 RT1N144C KTA1266GR KTC3199GR RT1P141C CMBT5401 KTA1267GR RT1P144C CMBT5551 KTC3198GR CSA1362 2SK2158 2SK2937...

  • Page 11: Block Diagram

    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 FIL1 DISPLAY µPD780028GF-027-3BA...
  • Page 12 WIRING-1 (MAIN)
  • Page 13 SCHEMATIC DIAGRAM-1 (MAIN 1/2) REG.
  • Page 14 WIRING-2 (PT) SCHEMATIC DIAGRAM-2 (PT)
  • 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 (HP/VIDEO/GEQ)
  • Page 21 SCHEMATIC DIAGRAM-6 (HP/VIDEO/GEQ)
  • Page 22 WIRING-6 (OSD/KEY CONTROL)
  • Page 23 SCHEMATIC DIAGRAM-7 (OSD/KEY CONTROL)
  • Page 24 WIRING-7 (DIGITAL)
  • Page 26 SCHEMATIC DIAGRAM-8 (DIGITAL)

  • Page 27: Electrical Adjustment

    ELECTRICAL ADJUSTMENT TUNER C.B FFE801 L772 L771 L981 IC771 < 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 < TUNER SECTION > point becomes 2052kHz±45Hz.

  • Page 28: Anode Connection

    FL (BJ691GK) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION...
  • 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...
  • 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

    MECHANICAL EXPLODED VIEW 1/1 WIRE,BINDER P.C.B PLATE PT P.C.B HT-SINK P.C.B P.C.B WIRE, PLATE SHLD BINDER P.C.B P.C.B P.C.B CHASS MAIN P.C.B P.C.B CUSH, PL C WIRE CHSH,PL P.C.B CHASS FR P.C.B PLATE BOTTOM...

  • Page 35: Mechanical Parts List

    GUIDE,FL 40-150- 9 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 88-AR2-205-110 HLDR,PWB OSD 33 8Z-AR1-007-010 KEY,ENTER 9 8Z-AR1-020-110 RING,FOOT SIL 34 8Z-AR1-021-110...
  • Page 36 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 920074...

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