XR-1800, XR-1803, XR-1804 - Sony Car Audio Service Manual (repair manual). Page 2

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Button Locations ............................................................. 3
Setting the Clock ............................................................. 3
Installation ....................................................................... 4
Connections ..................................................................... 4

......................................................... 6

....................... 10

Tape Deck Section .......................................................... 10
Tuner Section .................................................................. 11

5-1. IC Pin Function Description ........................................... 14
5-2. Note for Printed Wriring Boards and

Schematic Diagrams ....................................................... 16

5-3. Printed Wiring Board  – Main Section – ........................ 17
5-4. Schematic Diagram – Main Section (1/2) – ................... 19
5-5. Schematic Diagram – Main Section (2/2) – ................... 21
5-6. Printed Wiring Board  – PANEL Section – .................... 23
5-7. Schematic Diagram  – PANEL Section – ....................... 23

................................................ 26

............................... 32

• 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.