Sony wm ex 668 service manual
This is the 18 pages manual for sony wm ex 668 service manual.
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Extracted text from sony wm ex 668 service manual (Ocr-read)
Page 1
Ð 2 Ð Specifications ......................................................................... 1 1. GENERAL Location and Function of Controls ......................................... 3 2. SERVICE NOTE........................................................ 4 3. DISASSEMBLY 3-1. Case Assy Removal ......................................................... 6 3-2. Audio Board Removal ..................................................... 6 3-3. Cassette lid Assy Removal .............................................. 7 3-4. Mechanism Deck Removal ............................................. 7 4. ADJUSTMENTS 4-1. Mechanical Adjustments ................................................. 8 4-2. Electrical Adjustments .................................................... 8 5. DIAGRAMS 5-1. Explanation of IC Terminals ........................................... 9 5-2. Printed Wiring Boards ................................................... 12 5-3. Schematic Diagram ....................................................... 15 6. EXPLODED VIEWS 6-1. Case Section .................................................................. 20 6-2. Audio Board Section ..................................................... 21 6-3. Mechanism Deck Section (MT-WMEX655-125) ......... 22 7. ELECTRICAL PARTS LIST.................................. 23 TABLE OF CONTENTS 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 dam- aged by heat.
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Ð 3 Ð SECTION 1 GENERAL LOCATION AND FUNCTION OF CONTROLS Tape player section and general r Main unit r Headphones with Remote ControlThis section is extracted from instruction manual. 1OPEN knob 2Contact for dry battery case 3Tape operation buttons 4Rechargeable battery case 5BL SKIP indicatior 6AVLS indicatior 7FUNCTION button 8HOLD switch 9MB/GRV (Mega Bass/Groove) indicator0Main unit : VOLUME knob Remote control : VOL knob !ÁBATT indicator !ª2 REMOTE jack !£a (DOLBY) NR indicator !¢SOUND/AVLS (Auto Volume limitter system) switch !°Micro plug WM-EX655 !° 3 3 8 !¼ !¢ 8 !¼ Left Right Left Righ t WM-EX668