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Aiwa XD-DV170 Service Manual
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Aiwa XD-DV170 Service Manual

Aiwa XD-DV170 Service Manual

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SIMPLE-2
SERVICE MANUAL
DVD PLAYER
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-00A-350-7T3).
XD-DV170
BASIC DVD/CD MECHANISM : DV32BF
A par t of contents is adequate.
Re-issuing is under r equest.
S/M Code No. 09-00A-350-7R4
HR(S)

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Summary of Contents for Aiwa XD-DV170

  • Page 1 XD-DV170 HR(S) SIMPLE-2 SERVICE MANUAL DVD PLAYER BASIC DVD/CD MECHANISM : DV32BF This Service Manual is the “Revision Publishing” and replaces “Simple Manual” (S/M Code No. 09-00A-350-7T3). A par t of contents is adequate. Re-issuing is under r equest. S/M Code No. 09-00A-350-7R4...

  • Page 2: Protection Of Eyes From Laser Beam During Servicing

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing. WARNING! ATTENTION ADVARSEL! This Compact Disc player is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT label is located on the rear exterior.

  • Page 3: Specifications

    SPECIFICATIONS Manufactured under license from Dolby Laboratories. Dolby , Power supply 100-240 V AC, 50/60 Hz Pro Logic and the double-D symbol are trademarks of Dolby Power consumption 12 W Laboratories. Confidential unpublished works. 1992-1997 Weight 950 g (2.09 lbs) Dolby Laboratories.

  • Page 4: Accessories List

    ACCESSORIES LIST REF. NO PART NO. KANRI DESCRIPTION 1 8A-AV6-910-010 IB,HR (E/CK/CH) -DV170 2 8A-AV6-622-010 RC UNIT,RC-AVL06 ! ! ! ! ! 3 87-B30-415-010 AC ADAPTOR,AC-D1003ENC ! ! ! ! ! 3 87-050-076-010 AC CORD SET ASSY,E 4 87-050-052-010 CORD,PIN 1.5M Y/W/R 3P ! ! ! ! ! 5 87-A91-017-010 PLUG,CONVERSION JT-0476...
  • Page 5 ELECTRICAL MAIN PARTS LIST -1/4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0008 87-A12-416-080 C-CAP,E 100U-25 M 7.7L UD C0009 87-016-669-080 C-CAP,S 0.1-25 K B 87-A21-032-080 C-IC,S-8520B28MC C0010 87-012-286-080 C-CAP,U 0.01-25 K B 87-A20-925-040 C-IC,BA05FP C0012 87-A11-282-080 C-CAP,S 1-16 K B...
  • Page 6 ELECTRICAL MAIN PARTS LIST -2/4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0232 87-012-274-080 C-CAP,U 1000P-50 K B C0349 87-010-843-080 C-CAP,E 1-50 M 5.5L MV C0233 87-010-831-080 C-CAP,U 0.1-16 Z F C0350 87-010-831-080 C-CAP,U 0.1-16 Z F C0234 87-010-831-080 C-CAP,U 0.1-16 Z F...
  • Page 7 ELECTRICAL MAIN PARTS LIST -3/4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0719 87-012-286-080 C-CAP,U 0.01-25 K B C0835 87-012-174-080 C-CAP,U 12P-50 J CH C0720 87-012-286-080 C-CAP,U 0.01-25 K B C0836 87-012-178-080 C-CAP,U 18P-50 J CH C0721 87-012-286-080 C-CAP,U 0.01-25 K B...
  • Page 8 ELECTRICAL MAIN PARTS LIST -4/4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION L0810 87-005-816-080 C-COIL, 27UH J FLC32 S0508 87-A90-164-080 SW,TACT SKQNAB(N) L0811 87-005-816-080 C-COIL, 27UH J FLC32 S0509 87-A90-164-080 SW,TACT SKQNAB(N) L0950 87-005-815-080 C-COIL, 22UH J FLC32 S0510 87-A90-164-080 SW,TACT SKQNAB(N)

  • Page 9: Transistor Illustration

    TRANSISTOR ILLUSTRATION 3LN01C 2SA1037 2SB1132 FTS1002 2SA1586 2SC2412 2SC3326 2SC4116 2SC4213 DTA114EK DTA144EK DTC144EK DTC144EU...
  • Page 10 BLOCK DIAGRAM PD (0~7) DATA IC709 YSS915C-PK28MP-1 AUDIO IC706 NJM2100M(TE2) RL AMP KARAOKE C.B ECHO IC708 NJM2100M(TE2) AUDIO AMP IC606 P-ROM AAV6(3) IC608 UT611024LC-12 DRAM -10-...
  • Page 11 SCHEMATIC DIAGRAM - 1 (MAIN C.B -1/9) DC10V -11-...
  • Page 12 SCHEMATIC DIAGRAM - 2 (MAIN C.B -2/9) -12-...
  • Page 13 SCHEMATIC DIAGRAM - 3 (MAIN C.B -3/9) -13-...
  • Page 14 SCHEMATIC DIAGRAM - 4 (MAIN C.B -4/9) 3T BOOST SW R314 47k R315 47k LASER DIODE CURRENT SUPPLY FOR DVD DEFECT INHIBIT SW Q304 LASER DIODE CURRENT SUPPLY FOR CD FE DEFECT ENABLE/ DISABLE CTL DEFECT INHIBIT SW DEFECT INHIBIT SW FE DEFECT ENABLE/ DISABLE CTL FE DEFECT ENABLE/...
  • Page 15 SCHEMATIC DIAGRAM - 5 (MAIN C.B -5/9) -15-...
  • Page 16 SCHEMATIC DIAGRAM - 6 (MAIN C.B -6/9) AND GATE R614 47k R616 POWER ON INVERTOR R621 R672 47k R674 47k R673 Q601 DTC144EU INVERTOR R675 P-ROM AAV-6(VER.C29) UT611024LC-12 -16-...
  • Page 17 SCHEMATIC DIAGRAM - 7 (MAIN C.B -7/9) D-RAM D-RAM IC706 NJM2100M(TE2) R707 (TE2) R703 AUDIO DAC ZERO MUTE IC709 YSS915C-PK28MP-1 (8A-AV6-614-04) SDSY AUDIO MUTE AUDIO DAC ZERO MUTE DVDD1 AUDIO MUTE DVSS1 AVDD DVSS2 R711 C752 PLLC DEPI R715 C751 470p AVSS DVDD2...
  • Page 18 SCHEMATIC DIAGRAM - 8 (MAIN C.B -8/9) 2SA1037K(R) -18-...
  • Page 19 SCHEMATIC DIAGRAM - 9 (MAIN C.B -9/9) S950 NTSC H: NTSC L: PAL CHROMA SIGNAL S2 DC VOLTAGE SUPER IMPOSE CHROMA SIGNAL S2 DC VOLTAGE SUPER IMPOSE -19-...
  • Page 20 WIRING - 1 (MAIN C.B) -Top View This wiring diagram show a 4-layer boards. a ~ z, a ~ e marks show the connections between the usual double-face patterns and the patterns on the internal layers that cannot be seen. The patterns with marks are connected to +B patterns.
  • Page 21 WIRING - 2 (MAIN C.B) -Bottom View- R362 R363 R370 R361 C341 R382 C339 R334 R342 R330 C348 R341 C350 C338 C314 R332 -21-...
  • Page 22 SCHEMATIC DIAGRAM - 10 (FRONT C.B) LED DRIVE IC500 POWER SUPPLY SW -22-...
  • Page 23 WIRING - 3 (FRONT C.B) -23-...
  • Page 24 SCHEMATIC DIAGRAM - 11 (KARAOKE C.B) IC550 MIC1 AMP 1/2 VCC VOLTAGE FOLLOWER MIC1,2 MIXER Q550, Q551 IC551 MIC1,2 MUTE MIC2 AMP -24-...
  • Page 25 WIRING - 4 (KARAOKE C.B) -25-...
  • Page 26 SCHEMATIC DIAGRAM - 12 (DVD MECHANISM SECTION) -26-...
  • Page 27 WIRING - 5 (DVD MECHANISM SECTION) PICK-UP CON1 TO MAIN C.B FFC1 CN300 SENSOR C. B DECK C. B SPINDLE MOTOR CNA402 PHOTO INTERRUPTER LIMIT SWITCH CON2 SLED MOTOR -27-...

  • Page 28: Lcd Display

    LCD DISPLAY -28-...

  • Page 29: Ic Block Diagram

    IC BLOCK DIAGRAM - 1/4 IC, BA00ASFP IC, SN74LV541APW -29-...
  • Page 30 IC BLOCK DIAGRAM - 2/4 IC, NJM2267M IC, MM1454XFBE VIN2 6.2dB 75Ω VOUT2 DRIVER 750Ω VSAG2 2.2kΩ 2.07kΩ VIN1 6.2dB 75Ω VOUT1 DRIVER 750Ω VSAG1 2.2kΩ 2.07kΩ IC, LC75854W 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 SEGMENT DRIVER &...
  • Page 31 IC BLOCK DIAGRAM - 3/4 IC, LA6556L-TE-L S-GND MUTE2 MUTE2 MUTE1 VCC2 MUTE1 LLD- VIN4 VLD+ VIN4- VO4+ VIN4+ VO4- VREF-IN VO3- VIN1(VREF)-SW VIN1/VREF-SW VO3+ VREF-OUT(CH1) REG-OUT VO2+ REG-IN VO2- VIN3+ VO1+ VIN3- VO1- VIN3 VCC1 VIN2+ VIN1 VIN1-A VIN2- AMP-A VIN2 VIN1+A...
  • Page 32 IC BLOCK DIAGRAM - 4/4 IC, PCM1723 Internal System Clock Data ROM Counter N Phase Detector & Loop Filter Counter M MCKO SCKO 27 MHz 256 fs / 384 fs IC, S-8520B28MC REFERENCE POWER SUPPLY VOUT CONTROL CIRCUIT ON/OFF ON/OFF IC, SN74LV245APW IC, YSS915C-PK28MP-1 24 25 26 27 23...
  • Page 33 IC DESCRIPTION - 1/8 (MC44722AVFU) -1/1 Pin No. Pin Name Description CVBS/CB Analog composite video signal or Cb signal output current drive (positive) ________________ CVBS/CB Analog composite video signal or Cb signal output current drive (negative) CVBS/CBVDD Power supply for CVBS/Cb DAC circuit Analog luminance signal output current drive (positive) Analog luminance signal output current drive (negative) YVDD...
  • Page 34 IC DESCRIPTION -2/8 (L64021D) -1/3 Pin No. Pin Name Description Ground. 2 ~ 5 SBD_7 ~ 4 SDRAM data bus 7 ~ 4. Power (3.3V). 7 ~ 10 SBD_3 ~ 0 SDRAM data bus 3 ~ 0. Ground. 12 ~ 19 CH_DATA_0 ~ 7 Channel data bus 0 ~ 7.
  • Page 35 IC DESCRIPTION - 2/8 (L64021D) -2/3 Pin No. Pin Name Description Power (3.3V). OSD_ACTIVE On screen display active. 73, 74 PD_0, 1 Pixel data output bus 0, 1. Ground. 76-78 PD_2-4 Pixel data output bus 2-4. Power (3.3V). — Not connected. Ground.
  • Page 36 IC DESCRIPTION - 2/8 (L64021D) -3/3 Pin No. Pin Name Description Ground. 124 ~ 126 SBD_12 ~ 10 SDRAM data bus 12 ~ 10. Power (3.3V). 128, 129 SBD_9, 8 SDRAM data bus 9, 8. SCLK SDRAM 81MHz clock. Ground. 132 ~ 134 SBA_9 ~ 7 SDRAM address bus 9 ~ 7.
  • Page 37 IC DESCRIPTION - 3/8 (HD6412350F20) -1/3 Pin No. Pin Name Description ________________ CS1ROM — Not used. ________________ CS0ROM Chip select output terminal for ROM. 3, 4 GND. Power input terminal. EVER 5 V. 6 ~ 9 A0 ~ 3 Address bus output terminal. GND.
  • Page 38 IC DESCRIPTION - 3/8 (HD6412350F20) -2/3 Pin No. Pin Name Description USDA C data input/output terminal for EEPROM, video encoder IC. Data enable signal output terminal for AUDIO DAC IC control. Clock for AUDIO DAC IC control. Data output terminal for AUDIO DAC IC control. __________________ WDTOVF Watch dog timer overflow signal output terminal.
  • Page 39 IC DESCRIPTION - 3/8 (HD6412350F20) -3/3 Pin No. Pin Name Description AMUTE Audio signal (analog audio) output mute control terminal ON = H OFF = L. POWER ON Power supply control terminal ON = H OFF = L. __________ KARAOKE —...
  • Page 40 IC DESCRIPTION - 4/8 (LC87F72C8A)-1/2 Pin No. Pin Name Description SUBRXD DATA input terminal for LOADER serial communication control. SUBSCK Clock input terminal for LOADER serial communication control. LEDD1 Detection of LEDD1. LEDCSB Detection of LEDCSB. LEDCLK Detection of LEDCLK. RDY_HIF LOADER READY signal output terminal.
  • Page 41 IC DESCRIPTION - 4/8 (LC87F72C8A)-2/2 Pin No. Pin Name Description CURRENT RF general-purpose port output pin 2. RW_DISC RW DISC control output pin. DUAL DUAL control output pin. DECRESB Decoder reset output pin. EVARESOB System reset output pin. 61 ~ 65 AB8-12 Address 8-12.
  • Page 42 IC DESCRIPTION - 5/8 (LC78660W)-1/4 Pin No. Pin Name Description RFPI RF input port pin. (Pull down) TEST0 Tracking margin signal I/O pin. DVDD2 — A/D D/A internai logic power supply. [Digital 5V] DVSS — Digital GND. AD5/BH Servo A/D input pin. (AD5: Assistant input 5) AD4/PH/TE Servo A/D input pin.
  • Page 43 IC DESCRIPTION - 5/8 (LC78660W)-2/4 Pin No. Pin Name Description FG counter input pin. EVENT EVENT counter input pin. (Pull down) HFLIO Mirror detest signal I/O pins. 45 ~ 48 PP0 ~ 3 General-purpose port 0 ~ 3. (Pull down) Subcode Q read ready monitor pin.
  • Page 44 IC DESCRIPTION - 5/8 (LC78660W)-3/4 Pin No. Pin Name Description Oscillator circuit input pin. XOUT Oscillator circuit outpit pin. DVDD6 — Oscillator circuit power supply. [Digital 3.3V] 109, 110 PP6, 7 General-purpose port6, 7. (Pull down) AVREQIO AV data demand flag I/O pins. AVACKOI AV data read strobe output pin.
  • Page 45 IC DESCRIPTION - 5/8 (LC78660W)-4/4 Pin No. Pin Name Description AVSS — Analog GND. 159 ~ 166 MD15 ~ 8 DRAM data15 ~ 8. DVDD5 — I/O power supply. [Digital 5V] DVSS — Digital GND. 169 ~ 176 MD7 ~ 0 DRAM data7 ~ 0.
  • Page 46 IC DESCRIPTION - 6/8(LA9702W)-1/2 Pin No. Pin Name Description RF signal - input. (Pull down) RF signal + input. Pickup signal input. Pickup signal input. Pickup signal input. Pickup signal input. Pickup signal input. Pickup signal input. Pickup signal input. Pickup signal input.
  • Page 47 IC DESCRIPTION - 6/8 (LA9702W)-2/2 Pin No. Pin Name Description RFOP RF + output. RF bottom detection output. External resistor for setting peak hold detection constant, is connected to this terminal. — (Pull down). RF peak detection output. BCA output. Defect output.
  • Page 48 IC DESCRIPTION - 7/8 (HN58X2416FPI) -1/1 Pin No. Pin Name Description 1 ~ 3 — Not used. — Ground Serial data input/output Serial clock input Write protect — Power supply -48-...
  • Page 49 IC DESCRIPTION - 8/8 (YSS915C-PK28MP-1) -1/1 Pin No. Pin Name Description Digital audio input: Serial data Digital audio input: Bit clock Digital audio output: Serial data Digital audio output: Word clock DVDD1 – +5 V power supply (for digital circuits) Digital audio output: Bit clock DVSS1 –...
  • Page 50 MECHANICAL EXPLODED VIEW 1/1 SH,LCD COVER,PICK UP SHLD-CASE, BTTM -50-...
  • Page 51 4 8A-AV6-216-010 SPR-T,LID 2 5 87-036-389-010 SW,PUSH 1-1-1 R8120125 6 87-063-164-010 OIL-DMPR, 7 8A-AV6-006-010 WINDOW,LCD 8 8A-AV6-011-010 CABI,FRONT HR 9 8A-AV6-008-010 BADGE,AIWA 25 SIL 10 8A-AV6-009-010 KEY,POWER 11 8A-AV6-608-010 LCD,AAV-6 12 8A-AV6-010-010 KEY,PLAY 13 8A-AV6-012-010 KEY,ENTER 14 8A-AV6-202-010 LENS,LCD 15 8A-AV6-201-010...

  • Page 52: Color Name Table

    COLOR NAME TABLE COLOR NAME TABLE Basic color symbol Color Basic color symbol Color Basic color symbol Color Black Cream Orange Green Gray Blue Transparent Blue Gold Pink Silver Titan Silver Brown Violet White Transparent White Yellow Transparent Yellow Metallic Blue Light Blue Transparent Green Dark Blue...
  • Page 53 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 920074 Printed in Singapore...