Sony wm fx 375 service manual

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Ð 2 Ð SECTION 1 GENERAL TABLE OF CONTENTS 1. GENERAL ................................................................... 2 2. DISASSEMBLY ......................................................... 3 3. MECHANICAL ADJUSTMENTS ....................... 7 4. ELECTRICAL ADJUSTMENTS ......................... 7 5. DIAGRAMS 5-1. Block Diagram ................................................................ 10 5-2. Printed Wiring Board ...................................................... 12 5-3. Schematic Diagram ......................................................... 15 6. EXPLODED VIEWS ................................................ 21 7. ELECTRICAL PARTS LIST ............................... 24 This section is extracted from instruction manual. SERVICING NOTES Notes on chip component replacement ¥ Never reuse a disconnected chip component. ¥ Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Circuit Board Repairing ¥ Keep the temperature of the soldering iron around 270 ûC dur- ing 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.

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-� 3 -� CABINET (REAR) ASSY Note: Follow the disassembly procedure in the numerical order given. SECTION 2 DISASSEMBLY - This set can be disassembled in the order shown below. A 2 Insert the precision screw driver (1.4 mm flat-blade) in to the slit at claw A and release the claw. 3 Remove the cabinet (rear) assy (Release all claw B to K in alphabetical order.) 1 two screws (B1.7 × 9) cabinet (rear) ass y I\b K BC D E \f G H 5 two claws 6 main board 2 Flexible board (CN302) 3 Flexible board(CN301) 4 toothed lock (WH) screw(M1.4) 1 Remove four soldersof motor (M901). MAIN BOARD CABINET (REAR) ASS Y DIAL POINTER SETTING BELT, MOTOR (M901) MAGNETIC HEAD (HP901) MAIN BOARD CASSETTE HOLDER ASSY NOTE FOR INSTALLATION MEGA BASS UNIT MECHANISM DECK (MT-WMEX372-114)