Sony wm ex 2000 service manual

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- 2 - 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. TABLE OF CONTENTS 1. GENERAL ··········································································2 2. SERVICE NOTE ·······························································3 3. DISASSEMBLY 3-1. Lid Block Assy, Cassette················································5 3-2. Case Block Assy·····························································5 3-3. Ornament (Open) Block Assy·········································6 3-4. Switch, Leaf (S704), Main Board·······························6 3-5. Belt (F0), Motor (M601)·················································7 3-6. Holder (FA) Assy····························································7 3-7. Pinch Lever (NF)/(RF) Assy···········································8 3-8. Head, Magnetic (HP701)················································8 4. MECHANICAL ADJUSTMENT ··································9 5. ELECTRICAL ADJUSTMENT ····································9 6. DIAGRAMS 6-1. Block Diagram······························································10 6-2. Printed Wiring Board····················································12 6-3. Schematic Diagram (1/2)··············································15 6-4. Schematic Diagram (2/2)··············································18 6-5. IC Block Diagrams·······················································21 6-6. IC Pin Function Description·········································23 7. EXPLODED VIEWS 7-1. Cabinet Block·······························································24 7-2. Mechanism Deck Block················································25 8. ELECTRICAL PARTS LIST ·······································26 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 PUBLISHED BY SONY. SECTION 1 GENERAL This section is extracted from instruction manual. MODE SOUND VOLAVLS HOLD Hold shutter Cache de verrouillage Schutzschieber VOLAVLS REW (–) FF (+) Y-x Jog lever Levier Jog Jog-Hebel FFREW Jog lever Levier Jog Jog-HebelPlug in firmly. Branchez fermement. Fest einstecken. O P E N