Aiwa Z-HT63 Service Manual
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Aiwa Z-HT63 Service Manual

Aiwa Z-HT63 Service Manual

Compact disc stereo cassette receiver
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COMPACT
DISC
STEREO
CASSETTE
RECEIVER
E
REVISION
PUBLISHING
SYSTEM
CD
SPEAKER
REMOTE
CASSEIVER
CONTROLLER
SX-ZHT65
Z-HT63
CX-ZHT63
SX-C605
RC-ZAS05
SX-R275
This
Service
Manual
is the "Revision
Publishing"
and replaces
"Simple
Manual"
(S/M
Code
No. 09-991 -321 -2T1).
s If requiring
information
about
the CD mechanism,
see Service
Manual
of 6ZG- 1
(S/M
Code
N0.09-984-249-90T).

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  • Page 41 6ZG-1 English SERVICE MANUAL CD-R/RW MECHANISM BASIC CD MECHANISM :3ZG-2 E2 TYPE ZRDM ZRNDM YZRNDM YZRNDCM S/M Code No. 09-001-338-7N2...

  • Page 42: 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 43 DISASSEMBLY INSTRUCTIONS 1. How to replace PICK UP. Open the TRAY. PICKUP Push the stopper to arrow direction and release half of the SHAFT SLED. Turn GEAR MAIN CAM to the counterclockwise (arrow “a”) direction, and lift up CD mechanism. (Fig-1) Remove SHAFT SLED.
  • Page 44 3. The disassemble and reassemble the TRAY 3-1. Disassembling procedure. Push the PLATE GEAR’S Boss at the bottom part of CHAS MECHA strongly to the outside (arrow “b” direction). (Fig-3) (Confirm that TRAY appears a little in the front.) BOSS Draw TRAY to the open position.
  • Page 45 4. How to reassemble the TURN TABLE. (Fig-7) Push LEVER TT in the direction of “C”, and put in the TURN TABLE 5CD. (Fig-7) After reassembly, one of the TURN TABLE DISC TRAY (can be either one of the five disc trays) must be aligned with TURN TABLE 5CD.

  • Page 46: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C110 87-010-322-080 C-CAP,S 100P-50 CH<YZRNDCM,ZRDM> C111 87-010-260-080 CAP, ELECT 47-25V 87-A21-381-040 C-IC,LA9235M C112 87-010-197-020 C-CAP,S 0.01-25 B<ZRNDM,YZRNDM> 87-A21-591-010 C-IC,LC78641NE-D C112 87-010-197-080 CAP, CHIP 0.01 DM<YZRNDCM,ZRDM> 87-001-982-010 IC,TA7291S C114...

  • Page 47: Chip Resistor Part Code

    REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C505 87-010-197-020 C-CAP,S 0.01-25 B<ZRNDM,YZRNDM> L501 87-003-102-080 COIL, 10UH C505 87-010-197-080 CAP, CHIP 0.01 DM<YZRNDCM,ZRDM> LED901 87-A40-558-010 LED,SLZ-8128A-01-A C506 87-010-196-020 C-CAP,S 0.1-25 Z F GRM M601 87-045-305-010 MOTOR, RF-500TB DC-5V (2MA) <ZRNDM,YZRNDM>...
  • Page 48 IC BLOCK DIAGRAM IC, LA9235M IC, BA6998FP IC, TA7291S STOP BRAKE : HI IMPEDANCE NOTE : INPUT “H” ACTIVE PROTECTOR CIRCUIT (TSD)
  • Page 49 BLOCK DIAGRAM ZRDM MODEL...
  • Page 50 WIRING-1-1 (5CD/LED [TYPE1]) ZRDM MODEL R350 PR350 The P.W.B.s of this model are changed during production in the factory. Therefore, the two different “WIRING” C.B. are shown in this manual. ZRDM MODEL...
  • Page 51 WIRING-1-2 (5CD/LED [TYPE2]) M351 TRAY MOTOR ZRDM MODEL The P.W.B.s of this model are changed during production in the factory. Therefore, the two different “WIRING” C.B. are shown in this manual. ZRDM MODEL...
  • Page 52 SCHEMATIC DIAGRAM WAVE FORM NO. ZRDM MODEL...
  • Page 53 WIRING-2 (T-T/CD MOTOR) TO 5CD C.B CON3 TO 5 C D C. B C O N 2...
  • Page 54 WAVE FORM CON3 Pin 4 (PH2) VOLT/DIV: 5V Between IC501 VOLT/DIV: 1V Pin ! (SLED+) and @ (SLED–) TIME/DIV: 2S TIME/DIV: 2S CON3 Pin 6 (PH1) VOLT/DIV: 10V (Shutter Close) TIME/DIV: 2S CN231 Pin # (I-DISH. SENS) VOLT/DIV: 2V TIME/DIV: 2S (NO DISC) Between CN001 VOLT/DIV: 1V...

  • Page 55: Test Mode

    TEST MODE 1. How to Activate CD Test Mode Insert the AC plug while pressing the CD function button. When activating the test mode, “TEST” appears on the screen then all indicators light (start mode). 2. How to Cancel the CD Test Mode Press the POWER button or disconnect the AC plug.
  • Page 56 4. Adjustment Result Display of Auto Adjustment Items The auto adjustment values of the focus and the tracking can be displayed on the screen. 4-1. Auto Adjustment Result Display of Focus Offset Cancel/Gain Set the start mode (all lamps light). Press the TAPE key until “F***”...
  • Page 57 IC DESCRIPTION IC, LC78641NE-D Pin No. Pin Name Description PDO1 Internal VCO control phase comparator output pin. (Pull down) Internal VCO control phase comparator output pin. PDO2 OFF for rough servo, ON for phase servo. (Pull down) VVSS — Internal VCO ground pin. PCKIST —...
  • Page 58 Pin No. Pin Name Description EFLG C1, C2 error correction monitor pin. (Not connected) TEST Test input pin. (Connected to GND) Emphasis pin. Which becomes an input pin after reset and can be controlled externally. EMPH This becomes an emphasis monitor pin under control by command. (Not connected) MUTEL L channel mute output pin.
  • Page 59 Pin No. Pin Name Description Synchronization signal detection output pin. FSEQ Outputs a high level when the synchronization signal detected from the EFM signal and the internally generated synchronization signal agree. (Not connected) Defect pin. Which becomes an input pin after reset and can be controlled externally. DEFECT This becomes the defect monitor pin under control by command.

  • Page 60: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1 P.C.B P.C.B AZA-3 P.C.B 3ZG-2 E2 CUSH CD A...

  • Page 61: Mechanical Parts List

    MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 86-ZG1-001-410 TRAY,5CD 31 86-ZG1-215-010 HLDR,CHUCK 2 84-ZG1-267-010 PULLEY,LOAD MO 8 32 86-ZG1-238-010 HLDR,MAGNET 6ZG N 3 87-A90-036-010 MOT ASSY,RF-300CA-11 33 86-ZG1-225-010 BELT,SQ1.2-32.9 4 86-ZG1-228-110 GEAR,TT-B 34 86-ZG1-221-010 PULLEY,TT...
  • Page 62 CD MECHANISM EXPLODED VIEW 1/1 (3ZG-2E2) P.C.B CD MECHANISM PARTS LIST 1/1 (3ZG-2E2) REF. NO PART NO. KANRI DESCRIPTION 1 83-ZG2-246-310 CHAS ASSY,SHT 5 2 83-ZG2-235-010 GEAR,A3 3 83-ZG2-205-210 GEAR,B 4 83-ZG2-236-010 GEAR,MOTOR 3 5 83-ZG2-253-110 SHAFT,SLIDE 5 6 87-A90-836-010 PICKUP,KSS-213F 7 83-ZG2-254-010 TURN TABLE,C5...

  • Page 63: Mechanical Section

    REFERENCE NAME LIST ELECTRICAL SECTION MECHANICAL SECTION DESCRIPTION REFERENCE NAME DESCRIPTION REFERENCE NAME ANTENNAS ADHESHIVE SHEET ADHESHIVE CHIP AZIMUTH C-CAP CAP, CHIP BAR-ANT BAR-ANTENNA C-CAP TN CAP, CHIP TANTALUM BATTERY C-COIL COIL, CHIP BATT BATTERY C-DI DIODE, CHIP BEARING C-DIODE DIODE, CHIP BUTTON C-FET...
  • Page 64 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 0251431...

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