Sony WM-FX671 free download

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WM-FX671 SERVICE MANUAL Ver 1.0 1999. 03 US Model AEP Model 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-EX678 MT-WMEX672-162 SPECIFICATIONS Radio section Frequency range Mass FM : 87.5 ­ 108MHz AM : 531 ­ 1.602 kHz Supplied accessories Tape section Frequency response (Dolby NR off) Output Approx. 145 g (5.2 oz) Approx. 210 g (7.5oz) incl. rechargeable battery and a cassette Battery case (1) Stereo earphones (1) Battery charge (1) Rechargeable battery (NC-6WM, 1.2V, 600mAh, Ni-Cb) (1) Rechargeable battery carring case (1) Carrying pouch (1) Playback: 40 ­ 15,000Hz Headphones (2 REMOTE) jack Load impedance 8 ­ 300 General Power requirements Dimensions (w/h/d) 1.5V Rechargeable battery One R6 (size AA) battery Approx. 108.9 Ч 77.7 Ч 23.9 mm (43/8 Ч 31/8 Ч 31/32inches), incl. projecting parts and controls Design and specifications are subject to change without notice RADIO CASSETTE PLAYER MICROFILM TABLE OF CONTENTS 1. SERVICE NOTE ······························································· 3 2. GENERAL ·········································································· 5 3. DISASSEMBLY 3-1. Case Block Assembly ····················································· 6 3-2. Belt (F2) ·········································································· 7 3-3. Cassette Lid Assembly ···················································· 7 3-4. Reel Ornament Assembly ··············································· 8 3-5. Main Board ····································································· 8 3-6. Motor (F2) (M901) ························································· 9 3-7. Holder Assembly ····························································· 9 3-8. Pinch Lever (N)/(R) Assembly ····································· 10 3-9. Magnetic Head (HP901) ··············································· 10 4. MECHANICAL ADJUSTMENT ································ 11 5. ELECTRICAL ADJUSTMENT ·································· 11 6. DIAGRAMS 6-1. Block Diagram ······························································ 13 6-2. Printed Wiring Board ···················································· 16 6-3. Schematic Diagram (1/2) ·············································· 19 6-4. Schematic Diagram (2/2) ·············································· 22 6-5. IC Block Diagrams ······················································· 25 6-6. IC Pin Function Discription ·········································· 27 7. EXPLODED VIEWS 7-1. Cabinet Block, Main Board ·········································· 29 7-2. Mechanism Deck Block ················································ 30 8. ELECTRICAL PARTS LIST ······································· 31 Notes on chip component replacement · Never reuse a disconnected chip compo