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Sony ICF-C630 Service Manual
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Sony ICF-C630 Service Manual

Sony ICF-C630 Service Manual

Fm/am clock radio
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See also: Operating Instructions
SERVICE MANUAL
Ver 1.0 2003. 06
Sony Corporation
9-877-483-01
2003F04-1
Personal Audio Company
© 2003. 06
Published by Sony Engineering Corporation
SPECIFICATIONS
Time display:
12-hour system
Frequency range:
FM: 87.5 - 108 MHz
AM: 530 - 1710 kHz
Speaker:
Approx. 5.7 cm dia., 4 ohm
Power output:
120 mW (at 10% harmonic distortion)
Power requirements:
3 V DC, two R6 (size AA) batteries
External power source:
DC IN 4.5 V
Dimensions:
Approx. 94 × 104 × 82 mm (w/h/d)
incl. projecting parts and controls
Mass:
Approx. 313 g incl. batteries
Accessories supplied:
AC power adaptor (1)
Design and specifications are subject to change without notice.
ICF-C630
Australian Model
FM/AM CLOCK RADIO
1

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  • Page 1 Mass: Approx. 313 g incl. batteries Accessories supplied: AC power adaptor (1) Design and specifications are subject to change without notice. FM/AM CLOCK RADIO Sony Corporation 9-877-483-01 2003F04-1 Personal Audio Company © 2003. 06 Published by Sony Engineering Corporation...

  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Servicing Notes

    ICF-C630 SECTION 1 SERVICING NOTES 1-1. DIAL POINTER SETTING 3 knob (VOL) 4 knob (TUNE) 1 pointer mark knob (VOL) front knob (TUNE) pointer pointer cabinet (lower) 1-2. INSTALLING THE TUNER BOARD 5 Adjust RV1 to the protrusion on the knob (VOL).

  • Page 4: General

    ICF-C630 SECTION 2 GENERAL This section is extracted from instruction manual.

  • Page 5: Disassembly

    ICF-C630 SECTION 3 DISASSEMBLY Note : This set can be disassemble according to the following sequence. 3-1. COVER ASSY (Page 5) 3-3. CABINET (UPPER) ASSY 3-2. TUNER BOARD (Page 6) (Page 6) 3-4. MICROCOMPUTER BOARD, KEY (LEFT) BOARD, KEY (RIGHT) BOARD (Page 7) Note : Follow the disassembly procedure in the numerical order given.

  • Page 6: Tuner Board

    ICF-C630 3-2. TUNER BOARD 1 screw 3 Removal the two solders. (+P2.6 x 8) black 2 TUNER board 3-3. CABINET (UPPER) ASSY 4 cover sub assy 5 cabinet (upper) assy 1 two screws 2 two screws (+P2.6 x 8) (+P2.6 x 8)

  • Page 7: Key (Right) Board

    ICF-C630 3-4. MICROCOMPUTER BOARD, KEY (LEFT) BOARD, KEY (RIGHT) BOARD 4 claw 6 KEY (LEFT) board 7 claw 9 KEY (RIGHT) board 1 two screws (+P2.6 x 8) 3 MICROCOMPUTER board...

  • Page 8: Electrical Adjustments

    ICF-C630 SECTION 4 ELECTRICAL ADJUSTMENTS FM SECTION 0 dB = 1 µV FM FREQUENCY COVERAGE ADJUSTMENT Setting: Adjust for a maximum reading on level meter. RADIO ON/OFF switch: ON BAND switch: FM 86.5 MHz 109.5 MHz VOL control: MIN FM RF signal...
  • Page 9 ICF-C630 Adjustment Location: FM TRACKING AM IF AM TRACKING FM FREQUENCY AM FREQUENCY COVERGE COVERGE...

  • Page 10: Diagrams

    ICF-C630 SECTION 5 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. Common Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

  • Page 11: Block Diagram

    ICF-C630 5-2. BLOCK DIAGRAM VREG FM DISCRI LEAD WIRE ANTENNA DISCRI DISCRIMINATOR FM ANT CV1-2 FM RF MIX OUT IF IN DET OUT AF IN AF OUT CT2,L2 FM IF AF POWER SPEAKER TRACKING IF IN AM IF CV1-3 CT3...

  • Page 12: Printed Wiring Board -Tuner Section

    ICF-C630 5-3. PRINTED WIRING BOARD — TUNER SECTION — • Refer to page 10 for Common Note on Printed Wiring Boards. (Page 13) DRY BATTERY MICROCOMPUTER SIZE "AA" DC IN 4.5V BOARD • Semiconductor (IEC DESIGNATION R6) LEAD WIRE W101...

  • Page 13: Printed Wiring Boards -Micon Section

    ICF-C630 5-4. PRINTED WIRING BOARDS — MICON SECTION — • Refer to page 10 for Common Note on Printed Wiring Boards. S106 MICROCOMPUTER S104 BACKLIGHT• S105 S107 SNOOZE/ RADIO BOARD SLEEP OFF ALARM B ALARM A ON/OFF MELODY RADIO S106...

  • Page 14: Schematic Diagram

    ICF-C630 5-5. SCHEMATIC DIAGRAM • Refer to page 10 for Common Note on Schematic Diagram and IC Block Diagram. LCD101 JC107 IC102 IC103 IC104 JC109 JC110 C101 C102 C103 S103 S102 S101 R133 R134 W102 R130 R131 R132 TP114 IC105...

  • Page 15: Ic Pin Description

    ICF-C630 5-6. IC PIN DESCRIPTION • IC105 µPD789488GC-A23-8BT (SYSTEM CONTROL, LCD DRIVER) Pin No. Pin Name Pin Description CAPH — Connect to capacitor (H) CAPL — Connect to capacitor (L) 3 to 5 VLC2 to VLC0 LCD drive bias voltage output 2 to 0...

  • Page 16: Exploded Views

    ICF-C630 SECTION 6 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Accessories are given in the last of this parts list. number in the exploded views are not supplied. • Items marked “*” are not stocked since they are seldom required for routine service.

  • Page 17: Cover Assy Section

    ICF-C630 6-2. COVER ASSY SECTION not supplied (KEY (RIGHT) board) LCD101 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 A-3347-982-A MICROCOMPUTER BOARD, COMPLETE 3-248-604-01 BUTTON (L) 3-254-545-01 SHEET (LCD) 3-248-605-01 BUTTON (R)

  • Page 18: Electrical Parts List

    ICF-C630 KEY (LEFT) KEY (RIGHT) SECTION 7 ELECTRICAL PARTS LIST MICROCOMPUTER NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 19 ICF-C630 MICROCOMPUTER TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JC102 1-216-864-11 METAL CHIP 1/10W A-3347-871-A TUNER BOARD, COMPLETE JC103 1-216-864-11 METAL CHIP 1/10W *********************** JC104 1-216-864-11 METAL CHIP 1/10W JC105 1-216-864-11 METAL CHIP 1/10W...
  • Page 20 ICF-C630 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > ACCESSORIES ************ 8-752-037-02 IC CXA1019S 6-704-101-01 IC XC6201P382PR 1-477-830-11 ADAPTOR, AC (AC-E45TR1) 3-249-145-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH, < JACK > GERMAN,SPANISH,DUTCH) 1-580-681-21 JACK, DC (POLARITY UNIFIED TYPE) (DC IN 4.5V)
  • Page 21 ICF-C630 MEMO...
  • Page 22 ICF-C630 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

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