XR-1800RD - Sony Car Audio Service Manual (repair manual). Page 2

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Button Locations .............................................................

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Setting the Clock .............................................................

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Tape Deck Section ..........................................................

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Tuner Section ..................................................................

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5-1. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 13

5-2. Printed Wiring Board  – MAIN Board – ........................ 15
5-3. Schematic Diagram  – MAIN Board (1/2) – .................. 16
5-4. Schematic Diagram  – MAIN Board (2/2) – .................. 17
5-5. Printed Wiring Board  – KEY Board – ........................... 18
5-6. Schematic Diagram  – KEY Board – ............................. 19
5-7. IC Pin Function Description ........................................... 21

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• 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.

• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.