Sony WM-FX483 WM-FX485 WM-FX487 free download

File name WM-FX483 WM-FX485 WM-FX487.pdf

WM-FX483/FX485/FX487 SERVICE MANUAL Ver 1.0 1998.03 US Model WM-FX487 Canadian Model WM-FX485/FX487 AEP Model E Model WM-FX483/FX485/FX487 Photo : WM-FX485 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-EX402/EX404/EX405/EX406 MF-WMFX483-147 SPECIFICATIONS Design and specifications are subject to change without notice. RADIO CASSETTE PLAYER MICROFILM TABLE OF CONTENTS 1. 2. 2-1. 2-2. 2-3. 2-4. 2-5. GENERAL ······································································ 3 DISASSEMBLY Cabinet (Front) Assy ·························································· 5 Main Board ········································································· 6 Mechanism Deck ································································ 6 Cassette Lid Sub Assy ························································ 7 Display Board ····································································· 7 Flexible Circuit Board Repairing · Keep the temperature of the soldering iron aroud 270° C during repairing. · Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). · Be careful not to apply force on the conductor when soldering or unsoldering. 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. 3. 4. 5. 5-1. 5-2. 5-3. 5-4. 5-5. 5-6. 5-7. 5-8. MECHANICAL ADJUSTMENT ······························· 8 ELECTRICAL ADJUSTMENT ································ 8 DIAGRAMS IC Block Diagrams ··························································· 11 Block Diagram ································································· 13 Printed Wiring Board -Main Section- ······························ 15 Schematic Diagram -Main Section- ································· 17 Printed Wiring Board -Display Section-(FX483/FX485) ·· 19 Schematic Diagram -Display Section-(FX483/FX485) ···· 21 Printed Wiring Board -Display Section-(FX487) ·············· 23 Schematic Diagram -Display Section-(FX487) ················ 25 IC Pin Function ································································ 27 6. EXPLODED VIEWS 6-1. Cassette Lid Section ························································· 29 6-2. Cabinet Section································································· 31 6-3. Mechanism Deck Section ················································· 32 7. ELECTRICAL PARTS LIST ··································· 33 --2-- SECTION 1 GENERAL --3-- --4-- SECTION 2 DISASSEMBLY · This set can be disassembled in the order shown below. 2-1. CABINET (REAR) ASSY 2-2. MAIN BOARD 2-3. MECHANISM DECK 2-5. DISPLAY BOARD 2-4. CASSETTE LID SUB ASSY Note : Follow the disassembly procedure in the numerical order give