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Sony ICF-C135 Service Manual

Fm/am clock radio
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ICF-C135
SERVICE MANUAL
US Model
Canadian Model
Ver 1.0 1999.10
SPECIFICATIONS
FEATURES
FM/AM CLOCK RADIO
MICROFILM

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  Summary of Contents for Sony ICF-C135

  • Page 1 ICF-C135 SERVICE MANUAL US Model Canadian Model Ver 1.0 1999.10 SPECIFICATIONS FEATURES FM/AM CLOCK RADIO MICROFILM...
  • Page 2: Section 1 Servicing Notes

    DE FONCTIONNEMENT. NE REMPLACER CES COM- SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS POSANTS QUE PAR DES PIÈCES SONY DONT LES PUBLISHED BY SONY. NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 3: Section 2 General

    SECTION 2 This section is extracted from instruction manual. GENERAL — 3 —...
  • Page 4: Section 3 Dial Pointer Setting

    SECTION 3 DIAL POINTER SETTING Note: Follow the assembly procedure in the numerical order given. 7 Turn CV1 and RV1 shaft in the arrow direction fully. 8 RADIO board 2 Set the pointer to the guide line. RADIO board (Conductor Side) 3 chassis screw guide line...
  • Page 5: Section 4 Electrical Adjustments

    SECTION 4 ELECTRICAL ADJUSTMENTS [FM] • Adjusting Location: RADIO board (Component Side) Setting: L1: AM TRACKING CT3:FM TRACKING BAND switch: FM ADJUSTMENT ADJUSTMENT FM RF signal generator level meter T1:AM IF CT1:AM TRACKING ADJUSTMENT ADJUSTMENT 0.01 F – 22.5 kHz frequency speaker terminal deviation by 400 Hz signal...
  • Page 6: Printed Wiring Boards

    ICF-C135 SECTION 5 DIAGRAMS 5-1. PRINTED WIRING BOARDS • Semiconductor Location Ref. No. Location D101 D201 D202 D203 D204 D205 IC101 LED101 Q201 Q202 Note on Printed Wiring Boards: • X : parts extracted from the component side. • Y : parts extracted from the conductor side.
  • Page 7: Schematic Diagram

    ICF-C135 5-2. SCHEMATIC DIAGRAM • IC Block Diagram IC1 CXA1019S Note on Schematic Diagram: • U : B+ Line. • All capacitors are in µF unless otherwise noted. pF: µµF • H : adjustment for repair. 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 8: Section 6 Exploded Views

    SECTION 6 SECTION 7 RADIO EXPLODED VIEWS ELECTRICAL PARTS LIST NOTE: NOTE: • -XX and -X mean standardized parts, so they • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS • The mechanical parts with no reference num- The components identified by mark 0 or may have some difference from the original ber in the exploded views are not supplied.
  • Page 9: Accessories And Packing Materials

    RADIO Ref. No. Part No. Description Remarks < VARIABLE RESISTOR > 1-228-790-00 RES, VAR, CARBON 50K (VOLUME) < SWITCH > 1-692-181-21 SWITCH, SLIDE (FM/AM) 1-762-232-11 SWITCH, SLIDE (OFF/RADIO ON/RADIO/BUZZER) 1-554-303-21 SWITCH, TACTILE (TIME SET M) 1-554-303-21 SWITCH, TACTILE (TIME SET H) 1-554-303-21 SWITCH, TACTILE (ALARM) 1-554-303-21 SWITCH, TACTILE (CLOCK) 1-554-303-21 SWITCH, TACTILE (SLEEP)
  • Page 10 ICF-C135 Sony Corporation 99J1620-1 Personal Audio Division Company 9-927-609-11 Printed in Japan ©1999.10 — 14 — Published by General Engineering Dept.