Sony mz e 44 service manual
This is the 25 pages manual for sony mz e 44 service manual.
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Extracted text from sony mz e 44 service manual (Ocr-read)
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Ð 2 Ð Specifications ........................................................................... 1 1. SERVICING NOTE ....................................................... 2 2. GENERAL Location and Function of Controls .................................... 3 3. DISASSEMBLY 3-1. Upper Panel Assy ....................................................... 4 3-2. Bottom Panel Assy ..................................................... 4 3-3. Main board .................................................................. 4 3-4. Belt Assy, Front Panel Assy ........................................ 5 3-5. Mechanism Deck Section ........................................... 5 3-6. Optial Pick-up Block Assy ......................................... 6 4. TEST MODE ................................................................... 7 SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! 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. 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. TABLE OF CONTENTS CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. IN NO EVENT SHALL SELLER BE LIABLE FOR ANY DIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY NATURE, OR LOSSES OR EXPENSES RESULTING FROM ANY DEFECTIVE PRODUCT OR THE USE OF ANY PRODUCT. ÒMD WALKMANÓ is a trademark of Sony Corporation.This Mini Disc player is classi- fied as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT label is located on the bottom exterior. 5. ELECTRICAL ADJUSTMENTS ............................ 10 6. DIAGRAMS 6-1. Explanation of IC Terminals ..................................... 13 6-2. Block Diagram .......................................................... 15 6-3. Printed Wiring Boards .............................................. 18 6-4. Schematic Diagram ................................................... 21 7. EXPLODED VIEWS 7-1. Panel Section ............................................................ 28 7-2. Main Section ............................................................. 29 7-3. Mechanism Deck Section ......................................... 30 8. ELECTRICAL PARTS LIST................................ 31 SECTION 1 SERVICING NOTE When repairing this device with the power on, if you remove the main board, this device stops working. In this case, you work without the device stopping by fastening the hook of the Open/Close detection switch (S801) with tape. Chassis ASSY Main board Tape Open/Close switch (S801)
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Ð 3 Ð SECTION 2 GENERAL LOCATION AND FUNCTION OF CONTROLS Headphones with Remote Control 27 6 3 1 5 4 8 !¼ 9 1 2 3 456 8 9 7 Main Unit 1MD operate buttons Ó ¥ + (PLAY ¥ FF ) = (REW ) p (ST OP) 2HOLD switch 3VOLUME +/Ð buttons 4EJECT button5OPERA TE lamp 6Battery compartment 7External battery terminal (+/Ð) 8DIGITAL MEGA B ASS s witc h 9AVLS s witc h !¼ 2 / REMOTE jack 1Headphones 2MD operate switch and buttons Ó ¥ + (PLAY ¥ FF) = (REW) p (ST OP) 3VOL +/Ð button 4Display indicator 5DISPLA Y b utton 6PLAYMODE b utton 7P (PAUSE) b utton 8HOLD c switch 9p (ST OP) b utton