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SERVICE MANUAL
Ver 1.1 2004. 04
SPECIFICATIONS
Frequency range:
Central and East European model
Band
ICF-303
FM
65 - 108 MHz
AM
530 - 1605 kHz
Italian model
Band
ICF-303
FM
87.5 - 108 MHz
AM
526.5 - 1606.5 kHz
Other countries model
Band
ICF-303
FM
87.5 - 108 MHz
AM
530 - 1605 kHz
LW
—
Speaker
inches) dia., 8 Ω
Approx. 6.6 cm (2
5/8
Output
v (earphone) jack (minijack)
Power output
100 mW (at 10 % harmonic distortion)
Power requirements
3 V DC, two R6 (size AA) batteries
3 V DC, two LR6 (size AA) batteries
Dimensions
Approx. 156.9 × 82.5 × 41.1 mm (w/h/d)
× 3
× 1
(6
inches) incl. projecting parts
1/4
1/4
5/8
and controls
Mass
Approx. 309.5 g (10.9 oz) incl. batteries
Supplied accessories
Operating instructions (1)
Design and specifications are subject to change without
notice.
Sony Corporation
9-927-146-12
2004D04-1
Personal Audio Company
© 2004. 04
Published by Sony Engineering Corporation
ICF-303/303L
Photo: ICF-303
ICF303L
87.5 - 108 MHz
—
153 - 255 kHz
Australian Model
Features
• Compact radio
• TUNE indicator for easy tuning
Canadian Model
E Model
Chinese Model
ICF-303
AEP Model
ICF-303/303L
FM/AM RADIO
ICF-303
FM/LW RADIO
ICF-303L
1
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Table of Contents
Related Manuals for Sony CF-303
Summary of Contents for Sony CF-303
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Page 1: Service Manual
Approx. 309.5 g (10.9 oz) incl. batteries Supplied accessories Operating instructions (1) ICF-303 Design and specifications are subject to change without FM/LW RADIO notice. ICF-303L Sony Corporation 9-927-146-12 2004D04-1 Personal Audio Company © 2004. 04 Published by Sony Engineering Corporation... - Page 2 HOW TO CHANGE THE CERAMIC FILTERS This model is used two ceramic filters of CF1 and CF3. You must use same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must change two pieces together since it’s supply two pieces in one package as a spare parts.
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Page 3: Section 1 General
SECTION 1 GENERAL This section is extracted from instruction manual. – 3 –... -
Page 4: Section 2 Disassembly
SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. CABINET (REAR) ASSY 1 screws +P 2.6x12 3 claw 6 lug 2.6 5 screws B 1.7x4 4 claw 7 cabinet (REAR) assy 2 claw 2-2. MAIN BOARD •... -
Page 5: Section 3 Electrical Adjustments
SECTION 3 ELECTRICAL ADJUSTMENTS FM SECTION ICF-303L: ICF-303: AM SECTION LW SECTION BAND switch : FM BAND switch : AM BAND switch : LW FM RF signal telescopic generator antenna terminal AM RF signal AM RF signal Put the lead-wire Put the lead-wire generator generator... - Page 6 ICF-303/303L SECTION 4 DIAGRAMS 4-1. PRINTED WIRING BOARD LW FERRITE-ROD ANTENNA(303L) AM FERRITE-ROD ANTENNA(303) MAIN BOARD CLEAR CLEAR (303L) RF IN(+) RF IN(-) ANT 1 TUNE FM TELESCOPIC 303L ANTENNA 303L BPF1 LW ANT SP 1 SHIELD PLATE SPEAKER (303) TUNING AM IF AM OSC(303)
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Page 7: Schematic Diagram
ICF-303/303L 4-2. SCHEMATIC DIAGRAM Note: • U : B+ Line. • All capacitors are in µF unless otherwise noted. pF: µµF • Voltages are taken with a VOM (Input impedance 10 MΩ). 50 WV or less are not indicated except for electrolytics •... -
Page 8: Section 5 Exploded View
Ver 1.1 SECTION 5 SECTION 6 MAIN EXPLODED VIEW ELECTRICAL PARTS LIST NOTE: NOTE: • The mechanical parts with no reference • Items marked “*” are not stocked since • Color Indication of Appearance Parts • Abbreviation • Due to standardization, replacements in When indicating parts by reference number in the exploded views are not supplied. - Page 9 Ver 1.1 MAIN Ref. No. Part No. Description Remark 1-422-131-00 COIL, FM OSCILLATION (EXCEPT EE,IT,EA) 1-428-241-11 COIL, AIR-CORE (EE) 1-459-954-21 COIL (WITH CORE) (IT,EA) 1-406-028-00 COIL, OSC (MW) 1-410-294-11 INDUCTOR 38uH (303L) 1-412-316-11 INDUCTOR 120uH (303L) < RESISTOR > 1-216-198-00 RES,CHIP 1/8W 1-216-073-00 METAL CHIP 1/10W...
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Page 10: Revision History
IDF-303/303L REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 1999. 07 2004.