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Aiwa TP-VS640YH1 Service Manual

Aiwa tp-vs640yh1 cassette recorder service manual
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TP-VS640
YH1
SERVICE MANUAL
CASSETTE RECORDER
BASIC TAPE MECHANISM : TN-9XR-112
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-995-331-8T1).
S/M Code No. 09-998-334-6R1

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Summary of Contents for Aiwa TP-VS640YH1

  • Page 1 TP-VS640 SERVICE MANUAL CASSETTE RECORDER BASIC TAPE MECHANISM : TN-9XR-112 This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-995-331-8T1). S/M Code No. 09-998-334-6R1...

  • Page 2: Specifications

    Recording system AC bias Erasing system Magnet erasure Power sources DC 3 V using two R6 (size AA) dry cell batteries AC house current using the AC adaptor Aiwa AC-D302 Battery life Battry EIAJ Recording EIAJ 10 mW Manganese (R6P) Batteries Approx.

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C183 87-016-462-080 C-CAP,S 1-16 F C201 87-016-462-080 C-CAP,S 1-16 F C401 87-A10-264-080 C-CAP,S 0.1-16ZF 87-A20-399-010 IC,LA4168M C402 87-A10-264-080 C-CAP,S 0.1-16ZF 87-A20-461-040 IC,MM1336DF C403 87-016-491-080 C-CAP,S 0.22-16 FZ C503 87-015-676-010...

  • Page 4: Schematic Diagram

    SCHEMATIC DIAGRAM...
  • Page 5 WIRING-1 (MAIN C.B) B LED C.B LED 305 A MAIN C.B BATTERY BATTERY BATTERY – – – 1.5V 1.5V 1.5V R/P HEAD MOTOR – SW101 (R< ––– > P) BATT + Q505 Q504 VR101 R520 Q506 R409 sw101 R514 (1/4) VR101 Q402 (2/4)
  • Page 6 IC BLOCK DIAGRAM ELECTRICAL ADJUSTMENT A MAIN C.B IC, LA4168M J103 EARPHONE IC101 IC501 VR201 PLAYBACK SPEED VR202 R/P HEAD 1. Azimuth Adjustment Settings: • Test tape: TTA-330 IC, MM1336DF • Test point: EARPHONE JACK (J103) • Adjustment location: Azimuth adjustment screw •...

  • Page 7: Practical Service Figure

    PRACTICAL SERVICE FIGURE Tape speed: 3000 Hz 60 Hz Wow & flutter: Less than 0.55% Take-up torque: 20 ~ 50 g-cm (FWD) F.F torque: More than 55 g-cm REW torque: More than 55 g-cm S/N ratio: More than 56 dB (DC, PB) More than 26 dB (DC, R/PB) Distortion: Less than 3.0% (DC, PB)

  • Page 8: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW LED C.B TN-9XR-112 MAIN C.B...
  • Page 9 MECHNICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 21 87-HT8-204-010 LEVER,REC ACTUATOR 1 8Z-HT4-003-010 WINDOW,CASS 22 87-HT8-210-010 BELT,COUNTER 2 8Z-HT7-010-010 GRILLE,SPEAKER 23 87-HT8-209-010 SPR-E,REC SAFETY 3 87-A91-158-110 SPKR,DIA 50 4OHM 1.0W K050NA50 24 87-HT8-205-010 LEVER,REC SAFETY 4 87-HT8-208-010...

  • Page 10: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1/1...

  • Page 11: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 S1-909-013-040 CHASSIS ASSY 31 S1-909-053-040 FLYWHEEL ASSY 2 S1-909-020-190 FR PLATE 32 S1-909-080-100 MAIN BELT 3 S1-909-020-090 LOCK PLATE 33 S1-909-050-100 FL BRACKET 4 S1-909-020-140 STOP SPRING 34 S1-909-020-150...
  • Page 12 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 737004...

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