Sony wm fx 571 service manual

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Ð 2 Ð TABLE OF CONTENTS 1. GENERAL.................................................................... 3 2. SERVICE NOTE.......................................................... 3 3. DISASSEMBLY 3-1. Case Assy ............................................................................ 4 3-2. Tuner Board ........................................................................ 4 3-3. Audio Board ........................................................................ 5 3-4. Cassette Lid Assy ................................................................ 5 3-5. Tape Mechanism Deck ........................................................ 6 4. MECHANICAL ADJUSTMENTS.............................. 7 5. ELECTRICAL ADJUSTMENTS Tape Section ............................................................................ 7 Tuner Section ........................................................................... 8 6. DIAGRAMS 6-1. Block Diagram .................................................................... 9 6-2. IC Pin Description ............................................................. 11 6-3. Printed Wiring Boards ÐTuner SectionÐ ........................... 13 6-4. Schematic Diagram ÐTuner SectionÐ ................................ 17 6-5. Schematic Diagram ÐAudio SectionÐ ............................... 20 6-6. Printed Wiring Board ÐAudio SectionÐ ............................ 23 7. EXPLODED VIEWS 7-1. Cabinet Section ................................................................. 29 7-2. Audio and Tuner Board Section ........................................ 30 7-3. Tape Mechanism Section .................................................. 31 8. ELECTRICAL PARTS LIST.................................... 32 Flexible Circuit Board Repairing ·Keep the temperature of the soldering iron around 270ûC 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 dam- aged by heat.

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Ð 3 Ð screw (M1.4 ´ 5.0)screw (M1.4 ´ 5.0) TUNER board screw (M1.7 ´ 4.0 ) screw (M1.4 ´ 5.0) JIG AUDIO board 0!Á!ª !£ !¢ !° !¤ !¦ 9 8 7 6 5 4 3 2 1 SECTION 1 GENERAL ¥ LOCATION OF CONTROLS SECTION 2 SERVICE NOTE ¥ Regarding the method of adjustment and voltage check, perform sections 3-1 and 3-2 of the DISASSEMBLY, and attach the JIG (extension cable) to the AUDIO board as shown below. JIG Part No.: J-2503-005-A1 OPEN knob 2 Display window 3 PRESET + /AMS FF (Fast Forward) button 4 TUNING + button 5 TUNING Ð button 6 ENTER button 7 PRESET Ð /AMS REW (Rewind) button 8 MENU button 9 RADIO ON/BAND button !¼ SET button !Á p /RADIO OFF button !ª ÒÓ /REPEAT button !£ VOLUME control !¢ C HOLD knob !° 2 REMOTE jack !¤ Battery case !¦ DC IN 1.5V jack