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SERVICE MANUAL
Ver 1.0 2000. 03
•
Abbreviation
CND : Canadian model.
CET
9-927-690-11
ICF-C253/C253L
• The following part are an available for service
parts of this model.
• PARTS LIST
Part No.
Description
3-046-172-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH,
GERMAN, DUTCH) (CND, AEP, UK, CET)
3-046-172-21 MANUAL, INSTRUCTION (ENGLISH) (US)
3-046-172-31 MANUAL, INSTRUCTION (ENGLISH, SPANISH,
3-046-172-41 MANUAL, INSTRUCTION (RUSSIAN, SWEDISH,
3-046-172-51 MANUAL, INSTRUCTION (POLISH, CZECH,
: East European and Russian model
FM/AM PLL SYNTHESIZED CLOCK RADIO
FM/MW/LW PLL SYNTHESIZED CLOCK RADIO
MC-Service
Sony Corporation
Personal Audio Division Company
Remarks
ITALIAN, PORUTGUES) (AEP)
DANISH, FINNISH) (AEP, CET)
HUNGARIAN, SLOVAK) (CET)
US Model
Canadian Model
ICF-C253
AEP Model
ICF-C253/C253L
UK Model
ICF-C253L
ICF-C253
ICF-C253L
2000C1664-1
Printed in Japan ©2000.3
Published by General Engineering Dept.
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Summary of Contents for Sony ICF-C253L
- Page 1 US Model Canadian Model ICF-C253 Ver 1.0 2000. 03 AEP Model ICF-C253/C253L UK Model ICF-C253L • The following part are an available for service parts of this model. • PARTS LIST Part No. Description Remarks 3-046-172-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH,...
- Page 2 ICF-C253 SERVICE MANUAL Australian Model Ver 1.0 2000. 04 SPECIFICATIONS FM/AM PLL SYNTHESIZED CLOCK RADIO...
- Page 3 SECTION 1 This section is extracted from instruction manual. GENERAL SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer. Check the area of your repair for unsoldered or poorly-soldered Look for parts which, through functioning, show obvious signs connections.
- Page 4 SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. Key board Cabinet (upper) Main board Power board Note : Follow the disassembly procedure in the numerical order given. 2-1. CABINET (UPPER) × 14) 1 Five screws (M3 2 Cabinet (upper) 4 Speaker 3 Remove the two solderings.
- Page 5 2-2. KEY BOARD 4 Key board 1 Two claws 2 Two claws 6 Chassis 5 Two claws 3 Remove the eight solderings. 7 Cabinet (lower) 2-3. MAIN BOARD 5 Remove the four solderings. × 8) 2 Two screws (BTP 2 3 Alarm dial board 6 LED board 1 Remove the...
- Page 7 MC-Service...
- Page 8 ICF-C253 SECTION 4 DIAGRAMS 4-1. PRINTED WIRING BOARDS KEY BOARD MAIN BOARD TUNING S202 ANTENNA (SPEAKER) CN200 S210 S204 S200 S201 S203 S213 BAND CLOCK S212 A-RESET W151 S205 S209 S208 S207 S206 S214 TIME 1-676-850- (11) S211 SNOOZE S215 TIME AM FERRITE-ROD ANTENNA...
- Page 9 ICF-C253 4-2. SCHEMATIC DIAGRAM 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. • All resistors are in Ω and W or less unless otherwise specified.
- Page 10 MC-Service...
- Page 11 MC-Service...
- Page 12 SECTION 6 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...
- Page 13 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C119 1-163-021-91 CERAMIC CHIP 0.01uF JC15 1-216-296-91 SHORT C151 1-163-021-91 CERAMIC CHIP 0.01uF JC16 1-216-296-91 SHORT C152 1-163-021-91 CERAMIC CHIP 0.01uF JC17 1-216-296-91 SHORT C153 1-163-021-91 CERAMIC CHIP 0.01uF JC18 1-216-296-91 SHORT...
- Page 14 MAIN POWER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 8-729-120-28 TRANSISTOR 2SC1623-L5L6 R120 1-216-238-91 RES-CHIP 1/8W 8-729-120-28 TRANSISTOR 2SC1623-L5L6 R151 1-216-198-91 RES-CHIP 1/8W Q100 8-729-216-22 TRANSISTOR 2SA1162-G R152 1-216-041-00 METAL CHIP 1/10W Q101 1-801-806-11 TRANSISTOR DTC144EKA-T146 R153 1-216-254-00 RES-CHIP...
- Page 15 ICF-C253 MC-Service Sony Corporation 2000D16053-1 Audio Entertainment Group 9-927-909-11 Printed in Japan ©2000.4 — 16 — Published by PE General Engineering Dept.