Sony xr 3740 service manual

This is the 42 pages manual for sony xr 3740 service manual.
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sony xr 3740 service manual

Extracted text from sony xr 3740 service manual (Ocr-read)


Page 1

Ð 2 Ð TABLE OF CONTENTS 1. GENERAL Location of Controls ........................................................ 3 Getting started ................................................................. 3 Setting the Clock ............................................................. 4 Adjusting the Sound Characteristics ............................... 4 Muting the Sound ............................................................ 4 Changing the Sound and Beep Tone ................................ 4 Installation ....................................................................... 5 Connections ..................................................................... 6 2. DISASSEMBLY .......................................................... 8 3. ASSEMBLY OF MECHANISM DECK ........... 10 4. MECHANICAL ADJUSTMENTS ....................... 13 5. ELECTRICAL ADJUSTMENTS ......................... 13 6. DIAGRAMS 6-1. IC Pin Function Description ............................................ 14 6-2. Printed Wiring Board Ð MAIN Section Ð ....................... 19 6-3. Schematic Diagram Ð MAIN Section Ð .......................... 21 6-4. Printed Wiring Board Ð KEY Section Ð ......................... 25 6-5. Schematic Diagram Ð KEY Section Ð ............................ 27 7. EXPLODED VIEWS ................................................ 29 8. ELECTRICAL PARTS LIST ................................ 32 SERVICING NOTES Flexible Circuit Board Repairing ·Keep the temperature of the soldering iron around 270 û 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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Ð 3 Ð SECTION 1 GENERAL This section is extracted from instruction manual.