Aiwa AZG-5 Service Manual
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Aiwa AZG-5 Service Manual

Aiwa AZG-5 Service Manual

Md mechanism
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AZG-5
English
SERVICE MANUAL
MD MECHANISM
BASIC MD MECHANISM :
KMS-280A
TYPE
A
YA
S/M Code No. 09-99C-338-1N2

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Summary of Contents for Aiwa AZG-5

  • Page 1 AZG-5 English SERVICE MANUAL MD MECHANISM BASIC MD MECHANISM : KMS-280A TYPE S/M Code No. 09-99C-338-1N2...

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

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully the CAUTION instructions below when servicing. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous WARNING! radiation exposure.

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C209 87-A10-260-080 C-CAP,U 0.1-16 K B C210 87-012-169-080 C-CAP,U 7P-50 CH 87-A20-707-010 C-IC,CXA2523AR C211 87-012-169-080 C-CAP,U 7P-50 CH 87-A20-710-040 C-IC,S-8110AMP C212 87-A11-050-080 C-CAP,TN 47U-4 M F95 A 87-A20-708-010 C-IC,CXD2652AR C213...
  • Page 4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION L614 87-A50-163-080 C-COIL,ZBFS5101-PT C722 87-016-296-080 C-CAP,TN 22-4SV(A) L615 87-A90-034-080 C-FLTR,EMI BLM41P750 C723 87-010-831-080 C-CAP,U 0.1-16 Z F L616 87-A50-163-080 C-COIL,ZBFS5101-PT C724 87-016-296-080 C-CAP,TN 22-4SV(A) L701 87-A50-116-080 C-COIL,4.7UHLQH3C C725 87-010-831-080 C-CAP,U 0.1-16 Z F L702...
  • Page 5 BLOCK DIAGRAM Q102...
  • Page 6 WIRING...
  • Page 7 SCHEMATIC DIAGRAM-1 (MD C.B) IC500 REC DRIVE PRE-AMP...
  • Page 8 SCHEMATIC DIAGRAM-2 (SW C.B/FLEX MD MECHA1 C.B) IC BLOCK DIAGRAM IC, AK4519VF IC, LB1638M TRANSISTOR ILLUSTRATION S2 G2 IC, MPC18A20VM IC, M5291FP MTDF2N06HD 2SA1588 2SA1369G/H 2SA1832GR 2SC4738GR 2SK2035 DTA114TEA DTA144EE DTC114EE DTC144EE...

  • Page 9: Test Mode

    TEST MODE 1. Starting up the MD Test Mode While pressing the ECO/DEMO button, insert the AC plug into the outlet. Notes: 1) Mechanical abnormalities are ignored while the test mode AUTO MARK is starting up. T-B A SS If any abnormality occurs, disconnect the plug immediately.
  • Page 10 7. Checking the OWH and Each Detection Switch To check the operations of the OWH and each detection switch, follow the procedure given below. Insert an MO (PIT) disk and confirm that SLEEP lights. When the CD ™ MD button is pressed with the disk inserted, the OWH moves down. When the FUNCTION button is pressed, the OWH moves up.

  • Page 11: Electric Adjustment

    9-3. Checking the All Servo ON 1) When the ENTER button is pressed in the “FCS ON!” state, the tracking sled servo is turned on and all servos run. If the servos are all normal, “SV ON” is displayed. 2) After checking, press the STOP button to return the display to “SV OFF”. ELECTRIC ADJUSTMENT All the MD blocks are adjusted and checked in the test mode.
  • Page 12 3-2. IVR, EFB, Focus/ Tracking/ Sled Gain Check of MO Disk • Checking procedure (Perform this check consecutively after 3.1) 1) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button. 2) Press the PLAY button to display “FCS ON!”. 3) Press the ENTER button to display “SV ON”.
  • Page 13 4. Error Rate Check (PIT disk) • Test point: Check the test point on the display. SLEEP • Test disk: TSYS-1 or equivalent Checking procedure 1) Insert the TGYS-1. AUTO MARK 2) Move the pickup to the center of the disk using the B.SKIP T- B A SS button and F.SKIP button.
  • Page 14 IC DESCRIPTION IC, CXD2652AR Pin No. Pin Name Description MNT0 Monitor output terminal. MNT1 Monitor output terminal. MNT2 Monitor output terminal. MNT3 Monitor output terminal. SWDT Microprocessor serial interface data input. SCLK Microprocessor serial interface shift clock input. XLAT Microprocessor serial interface latch input. Latched at falling down edge. SRDT Microprocessor serial interface data output.
  • Page 15 Pin No. Pin Name Description Address output to external DRAM. Address output to external DRAM. DVSS — Digital GND. External DRAM output enable. ________ XCAS CAS output to external DRAM. Address output to external DRAM. ________ XRAS RAS output to external DRAM. Write enable for external DRAM.
  • Page 16 Pin No. Pin Name Description DCHG Connected to the low impedance power supply. Error signal input to the laser digital APC. ADFG ADIP2 binary-converted FM signal (22.05±1 kHz) input. FOCNT Current source setting output terminal to CXA2523. Latch output for CXA2523 control. Shut down: Latch. CKRF Shift clock output for CXA2523 control.
  • Page 17 IC, CXA2523AR Pin No. Pin Name Description Input “I” RF signal converted to I-V. Input “J” RF signal converted to I-V. Output voltage for VCC/2. Input current for main beam servo signal A. Input current for main beam servo signal B. Input currentt for main beam servo signal C.
  • Page 18 Pin No. Pin Name Description COMPP User comparator non-inverted input pin. (Not used) ADDC Capacitor connection pin for ADIP amplifier on return circuit. Output pin for user operational amplifier. (Not used) Non-inverted input pin for user operational amplifier. (Not used) RF amplifier output pin.
  • Page 19 IC, BD6601KV Pin No. Pin Name Description SGND — Small signal circuit block ground. (MOS) ASGND — Small signal circuit block ground. (Bip.) PWIN1 Half bridge 1 input. PWIN2 Half bridge 2 input. FG output. BRK- Brake comparator input (-). BRK+ Brake comparator input (+).
  • Page 20 Pin No. Pin Name Description VCC2 — Small signal circuit block power terminal 2. (Bip.) IN1F H bridge 1 forward input. IN1R H bridge 1 reverse input. IN2F H bridge 2 forward input. IN2R H bridge 2 reverse input. EXTCLK Sync clock input terminal.
  • Page 21 IC, CXP81952M-555R Pin No. Pin Name Description N.C. Not used. N.C. Not used. N.C. Not used. AMUTE Audio mute signal output. (Muted at “H”.) SCLK1 Serial clock output for EEPROM interface. SW-DT1 Serial data output for EEPROM interface. SRDT1 Serial data input for EEPROM interface. XLAT3 EEPROM chip select signal output.
  • Page 22 Pin No. Pin Name Description XTALI — Terminal to which external crystal is connected for system clock oscillation 2. ARDY Ready signal input for system control interface. Serial data input for system control interface. SOUT Serial data output for system control interface. ACLK Serial clock output for system control interface.
  • Page 23 Pin No. Pin Name Description XRST1 Not used. DIN signal input. — Connected to Vss. — Open. — Connected to Vss. — Connected to VDD. N.C. — Connected to VDD. PCONT Power control output inside the unit. (ON at “H”. OFF at “L”.) XSTBY CXA2523 standby signal output.

  • Page 24: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1 8ZG-2 P.C.B P.C.B PLATE,SHLD BOTTOM...

  • Page 25: Mechanical Parts List

    MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION TYPE=A TYPE=YA 8A-ZG5-201-010 ARM ASSY,TOP 8A-ZG5-201-010 ARM ASSY,TOP 8Z-HM1-610-110 PWB,FLEX MECHA 8Z-HM1-610-110 PWB,FLEX MECHA 8A-ZG5-214-010 HLDR,SPR-T 8A-ZG5-220-010 HLDR,SPR-T R 8A-ZG5-203-010 FRAME ASSY,L 8A-ZG5-203-010 FRAME ASSY,L 8Z-HM1-229-110 SPR-T,LEVER SW 8Z-HM1-229-110...
  • Page 26 MD MECHANISM EXPLODED VIEW 1/1 PLATE,PIVOT R...
  • Page 27 MD MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 87-ZG1-262-010 LEVER ASSY,KICK OWH 87-ZG1-254-010 SPR-E,EJECT 88-ZG2-235-010 SHAFT,PU GUIDE G 88-ZG2-216-010 HLDR ASSY,CTRG 88-ZG2-226-010 HLDR,PU GUIDE S 88-ZG2-201-010 CHAS ASSY,R 88-ZG2-240-010 SPR-E,E-LOCK 88-ZG2-230-010 GEAR,C OWH 88-ZG2-229-010 GEAR,B OWH 87-A91-016-010 MOT,LA8-388L 88-ZG2-221-010 HLDR,MOT OWH...
  • Page 28 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 0251431...

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