Related Manuals for Sony ICF-403S
Summary of Contents for Sony ICF-403S
- Page 1 ICF-403S SERVICE MANUAL AEP Model E Model Ver 1.0 1999.08 Australian Model SPECIFICATIONS Saudi Arabia model AEP, Australian model FM/MW/SW 3 BAND RADIO MICROFILM...
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Page 2: Table Of Contents
TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270°C during repairing. Specifications ................1 • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). 1. -
Page 3: Disassembly
SECTION 2 DISASSEMBLY The equipment can be removed using the following procedure. Cabinet (Rear) Cabinet (Front) Main board, Chassis Note : Follow the disassembly procedure in the numerical order given. 2-1. CABINET (REAR) 1 Screws +BTP 3x12 1 Screws +BTP 3x12 Cabinet (rear) Lug, 3 4 Screw... -
Page 4: Main Board, Chassis
2-3. MAIN BOARD, CHASSIS Chassis 2 Claws 4 Knob(tune) Main board 1 Screw +P 2.6x8 – 4 –... -
Page 5: Dial Pointer Installation
SECTION 4 SECTION 3 ELECTRICAL ADJUSTMENTS DIAL POINTER INSTALLATION Note : Follow the installation procedure in the numerical order given. • Repeat the procedures in each adjustment several times, and the TUNER SECTION 0dB=1µV frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. -
Page 6: Diagrams
ICF-403S SECTION 5 DIAGRAMS 5-1. PRINTED WIRING BOARDS ANT1 FM/SW TELESCOPIC ANTENNA MW FERRITE-ROD ANTENNA [MAIN BOARD] TUNE CV1-4 TUNING CV1 CV2 BPF1 D2 D1 – EXCEPT EA MODEL SPEAKER JW15 DC IN 4.5V SW N MW N FM 1-674-016-... -
Page 7: Schematic Diagram
5-2. SCHEMATIC DIAGRAM ICF-403S Note: • All capacitors are in µF unless otherwise noted. pF: µµF • Power voltage is dc 4.5V and fed with regulated dc power supply from • Voltages are taken with a VOM (Input impedance 10 MΩ). -
Page 8: Exploded Views
SECTION 6 EXPLODED VIEWS NOTE : 6-2. CHASSIS SECTION • -XX, -X mean standardized parts, so they • The mechanical parts with no reference may have some difference from the original number in the exploded views are not one. supplied. •... -
Page 9: Electrical Parts List
SECTION 7 MAIN ELECTRICAL PARTS LIST NOTE : • Due to standardization, replacements in the • SEMICONDUCTORS When indicating parts by reference num- In each case, u : µ , for example : parts list may be different from the parts ber, please include the board. - Page 10 ICF-403S MAIN Ref. No. Part No. Description Remark 1-424-529-21 COIL (SW TRACKING) * L3 1-422-320-11 COIL, AIR-CORE (FM TRACKING) 1-422-131-00 COIL, FM OSCILLATION (FM FREQUENCY COVERAGE) (EXCEPT EA) 1-459-954-21 COIL (WITH CORE) (FM FREQUENCY COVERAGE) (EA) 1-406-092-31 COIL, OSC (MW) (MW FREQUENCY...