Sony xr 6859 rds service manual

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XR-6859RDS

SERVICE MANUAL

This set is a model of the XR-6759RDS added with the security
system (alarm and I/F BOX).

This service manual only describes the different parts from the
XR-6759RDS.

Refer to the service manual for XR-6759RDS/CSOORDS for other
information.

CAUTION
Danger of explosion if battery is incorrectly replacedReplaoe only with the same
or equivalent type recommended by the equipment manufacturerDiscard used
batteries according to manufactures instructions.

When the this set is removed from the dash board of a car, the built-in buzzer
is activated.

This buzzer uses a lithium battery for power supply. How long this buzzer
continues to sound is unknown when the set has been removed.

Therefore. this battery should be always replaced by a new one.

UK Model

FM/MW/LW CASSETTE CAR STEREO
S O NY®

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TABLE OF CONTENTS

1. DISASSEMBLY
1~1. Alarm Assy ........................................................................... 3

2. DIAGRAMS

2-1. Primed Wiring Boards-Main Section-
2-2. Schematic Diagram-an Section-
2-3. Printed Wiring Board-HF Box Section-

2-4. Schematic Diagram-VF Box Section- ..... 14
3. EXPLODED VIEWS

3-1. Different Parts List from XR-6759RDS ............................. 17
3-2, Alarm Section ...... .
3-3. I/FBox Section

4. ELECTRICAL PARTS LIST ..