Sony wm fs 473 service manual
This is the 20 pages manual for sony wm fs 473 service manual.
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Extracted text from sony wm fs 473 service manual (Ocr-read)
Page 1
Ð 2 Ð Flexible Circuit Board Repairing ¥ Keep the temperature of the 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. 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. TABLE OF CONTENTS Specifications ........................................................................... 1 1. GENERAL Location of parts and controls ............................................ 2 2. SERVICE NOTE ........................................................... 3 3. DISASSEMBLY 3-1. Cover Removal ........................................................... 4 3-2. Display Board Removal ............................................. 4 3-3. Cassette Lid Assy Removal ........................................ 5 3-4. Chassis section, Headphone Jack Board Removal ..... 5 3-5. Mechanism Deck, Main Board, Belt Removal ........... 6 4. ADJUSTMENTS 4-1. Mechanical Adjustments ............................................ 7 4-2. Electrical Adjustments ................................................ 7 5. DIAGRAMS 5-1. Explanation of IC Terminals ..................................... 10 5-2. Block Diagram ........................................................... 11 5-3. Printed Wiring Boards (Main Section) ..................... 13 5-4. Schematic Diagram (Main Section) ......................... 15 5-5. Schematic Diagram (Display Section) ..................... 18 5-6. Printed Wiring Boards (Display Section) ................. 21 6. EXPLODED VIEWS 6-1. Cassette Lid Section ................................................. 23 6-2. Main Board Section .................................................. 24 6-3. Mechanism Deck Section (MF-WMFS473) ............ 25 7. ELECTRICAL PARTS LIST ................................... 26 SECTION 1 GENERAL This section is extracted from instruction manual.
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Ð 3 Ð SECTION 2 SERVICE NOTE WATERPROOFED SECTION Set the A positions to corner. then push down to grove. Note : In case the parts in the figure are removed for repair, treat them to protect from water drop following the instructions in the figure (spread grease, bond etc.) ¥ Sony grease SGL-601 : 7-651-000-10 Note : Clean the attachement portion and shaded area with cloth. Paking (cabinet) A A Cassette lid assy Screw Joint (VOL. B) O ring (Apply sony grease SGL-601) Knob (VOL) Cabinet (rear) assy