Sony XR-1750, Service Manual

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TABLE OF CONTENTS
1. GENERAL
Location of Controls ........................................................ 3
Installation (US Model) ................................................... 4
Installation (E, Australian Model) ................................... 5
Connection ....................................................................... 6
2. DISASSEMBLY
.......................................................... 8
3. ASSEMBLY OF MECHANISM DECK
........... 10
4. MECHANICAL ADJUSTMENTS
....................... 16
5. ELECTRICAL ADJUSTMENTS
Tape Deck Section ........................................................... 16
Tuner Section ................................................................... 16
6. DIAGRAMS
6-1. IC Pin Function Description ............................................ 18
6-2. Printed Wiring Boards –MAIN Section– ........................ 20
6-3. Schematic Diagram –MAIN Section– ............................ 23
6-4. Printed Wiring Board –CONTROL Section– ................. 27
6-5. Schematic Diagram –CONTROL Section– .................... 29
7. EXPLODED VIEWS
................................................ 33
8. ELECTRICAL PARTS LIST
................................ 37
SERVICING NOTES
Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 270 ˚ 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.