Table Of Contents - Sony XR-4750RDS Service Manual

TABLE OF CONTENTS

1. GENERAL
Location Of Controls .......................................................... 3
Setting The Clock ............................................................... 4
Using The Rotary Remote .................................................. 4
Adjusting The Sound Characteristics ................................. 5
Muting The Sound .............................................................. 5
Changing The Sound And Beep Tone .................................. 5
Installation ......................................................................... 6
Connections ....................................................................... 7
2. Disassembly
............................................................ 10
3. Assembly Of Mechanism Deck
4. Mechanical Adjustments
5. Electrical Adjustments
Test Mode .......................................................................... 15
Tape Deck Section ............................................................. 15
Tuner Section ..................................................................... 16
6. DIAGRAMS
6-1. Printed Wiring Boards – Main Section – .......................... 22
6-2. Schematic Diagram – Main Section – ............................... 25
6-3. Printed Wiring Board – Display Section – ....................... 30
6-4. Schematic Diagram – Display Section – .......................... 32
6-5. Ic Pin Function Description .............................................. 35
7. EXPLODED VIEWS
8. Electrical Parts List
............. 12
......................... 15
.................................................. 37
.................................. 40
SERVICING NOTES
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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