SONY WM-FX477 free download

File name SONY WM-FX477, FX479 SERVICE MANUAL VER 1.0 1999.02 (9-926-959-11).pdf

WM-FX477/FX479 SERVICE MANUAL Ver 1.0 1999. 02 US Model Canadian Model AEP Model E Model Chinese Model Photo: WM-FX477 Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. "DOLBY" and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation. Model Name Using Similar Mechanism Tape Transport Mechanism Type WM-FX483 MF-WMFX483-147 SPECIFICATIONS Radio section Frequency range FM: 65 ­ 74/87.5 ­ 108 MHz (East European) 87.5 ­ 108 MHz (Except East European) AM: 530 ­ 1,710 kHz (US, Canadian) 531 ­ 1,602 kHz (Except US, Canadian) Tape section Frequency response (Dolby NR off) Playback: 30 ­ 14,000 Hz Output Headphones/earphones (2 jack) Load impedance 8 ­ 300 ohms General Power requirements 3 V DC batteries R6 (AA) Ч 2/ External DC 3 V power sources Dimensions (w/h/d) Approx. 115.8 Ч 85 Ч 33.4 mm (4 5/8 Ч 3 3/8 Ч 1 3/8 inches) incl. projecting parts and controls Mass Approx. 175 g (6.2 oz.)/Approx. 255 g (9.0 oz.) incl.batteries and a cassette Supplied accessories Stereo headphones or Stereo earphones (1) Carrying case (1) Design and specifications are subject to change without notice. Notes on Chip Component Replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. RADIO CASSETTE PLAYER MICROFILM ­1­ TABLE OF CONTENTS 1. GENERAL ... 3 2. DISASSEMBLY 2-1. 2-2. 2-3. 2-4. 2-5. 2-6. Cabinet (Front) Assy ... 5 Display Board ... 6 Holder (Sub) Assy, Cassette ... 6 Main Board ... 7 Mechanism Deck ... 7 Belt and Motor ... 8 3. MECHANICAL ADJUSTMENTS ... 9 4. ELECTRICAL ADJUSTMENTS Tape Section ... 9 Tuner Section ... 10 5. DIAGRAMS 5-1. 5-2. 5-3. 5-4. 5-5. 5-6. IC Pin Description ... 12 Block Diagram ... 14 Schematic Diagram ­Main Section­ ... 16 Printed Wiring Board ­Main Section­ ... 19 Printed Wiring Board ­Display Section­ ... 21 Schematic Diagram ­Display Section­ ... 23 6. EXPLODED VIEWS 6-1. Cabinet Section ... 26 6-2. Tape Mechanism Deck Section ... 28 7. ELECTRICAL PARTS LIST