Sony WM-FX141 free download

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WM-FX141 SERVICE MANUAL Ver 1.3 1999. 05 With SUPPLEMENT-1 (9-923-296-81) With SUPPLEMENT-2 (9-923-296-82) US Model AEP Model E Model Model Name Using Similar Mechanism Tape Transport Mechanism Type WM-FX101 MF-WMFX103-48 SPECIFICATIONS Radio Frequency FM : 87.6 ­ 108 MHz (US, Chilean, Latin America, Central and South America Models) : 65.0 ­ 107.9MHz (East European Model) : 87.6 ­ 107.9 MHz (Other Models) AM : 530 ­ 1,710 kHz (US, Chilean, Latin America, Central and South America Models) : 531 ­ 1,602kHz (Other Models) Power requirements 3V DC batteries R6 (size AA) Ч 2 External DC 3V power sources Battery life (Aprroximate hours) Battery Sony alkaline LR6 (SG) Sony R6P (SR) Playback 16 hrs 4.5 hrs Radio 48 hrs 16 hrs Dimensions 93.9 Ч 118.5 Ч 35.9 mm (w/h/d) (33/4 Ч 43/4 Ч 13/16 in.) incl. projecting parts Mass 205g (7.3 oz) incl.batteries Supplied accessories · Stereo headphones or earphones (1) · Belt clip (1) Design and specifications are subject to change without notice. RADIO CASSETTE PLAYER MICROFILM TABLE OF CONTENTS 1. GENERAL ·········································································· 3 2. DISASSEMBLY 2-1. Cabinet (Rear) ································································· 4 2-2. Mechanism Deck and Main Board ································· 4 2-3. Main Board ····································································· 5 2-4. Cassette Lid ····································································· 5 2-5. Dial Pointer Setting ························································· 5 3. ADJUSTMENT 3-1. Mechanical Adjustment ·················································· 6 3-2. Electrical Adjustment ······················································ 6 4. DIAGRAMS 4-1. Block Diagram ································································ 9 4-2. Schematic Diagram ······················································· 11 4-3. Printed Wiring Board ···················································· 13 4-4. IC Block Diagram ························································· 17 5. EXPLODED VIEWS 5-1. Cabinet and Board Section ··········································· 18 5-2. Mechanism Section (MF-WMFX103-48) ···················· 19 6. ELECTRICAL PARTS LIST ······································· 20 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. Flexible Circuit Board Repairing · Keep the temperature of soldering iron around 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. --2-- SECTION 1 GENERAL This section is extracted from instruction manual. --3-- SECTION 2 DISASSEMBLY Note : Disassemble the unit in the order as shown below. Mechanism deck and main board Main board Cassette lid Dial pointer s