Sony m 640 v service manual
This is the 20 pages manual for sony m 640 v service manual.
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Extracted text from sony m 640 v service manual (Ocr-read)
Page 1
2 M-640V/645V/647V TABLE OF CONTENTS 1. GENERAL ................................................................... 3 2. DISASSEMBLY 2-1. Disassembly Flow ........................................................... 4 2-2. Lid Assy, Cassette ........................................................... 4 2-3. Lid, Battery Case ............................................................ 5 2-4. Cabinet (Rear) Assy ........................................................ 5 2-5. MAIN Board ................................................................... 6 2-6. Mechanism Deck (MZ-530V-99) ................................... 6 2-7. LED Unit ......................................................................... 7 2-8. Head, Ceramic (HRPE901) ............................................. 7 3. MECHANICAL ADJUSTMENTS ....................... 8 4. ELECTRICAL ADJUSTMENTS ......................... 8 5. DIAGRAMS 5-1. Block Diagram ................................................................ 11 5-2. Printed Wiring Board ...................................................... 12 5-3. Schematic Diagram ......................................................... 13 6. EXPLODED VIEWS 6-1. Cabinet Section ............................................................... 14 6-2. Main Group Section ........................................................ 15 6-3. Mechanism Deck Section (MZ-530V-99) ...................... 16 7. ELECTRICAL PARTS LIST ............................... 17 SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. Flexible Circuit Board Repairing -Keep the temperature of the soldering iron around 270˚C 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. 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.
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3 M-640V/645V/647V SECTION 1 GENERAL This section is extracted from instruction manual.