XR-F5100S - Sony Car Audio Service Manual (repair manual). Page 4

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4
XR-F5100S
BUS AUDIO IN
BUS CONTROL IN
Cautions
• This unit is designed for negative earth 12 V
DC operation only.
• Do not get the leads under a screw, or caught
in moving parts (e.g. seat railing).
•B efore making connections, turn the car
ignition off to avoid short circuits.
• Connect the yellow and red power input leads
only after all other leads have been connected.
• Run all earth leads to a common earth
point.
• Be sure to insulate any loose unconnected
leads with electrical tape for safety.
Notes on the power supply lead (yellow)
• When connecting this unit in combination with
other stereo components, the connected car
circuit’s rating must be higher than the sum of
each component’s fuse.
• When no car circuits are rated high enough,
connect the unit directly to the battery.
Parts Iist (1)
• The numbers in the list are keyed to those in
the instructions.
• The bracket 1 and the protection collar 5 are
attached to the unit before shipping. Before
mounting the unit, use the release keys 6 to
remove the bracket 1 and the protection collar
5
 from the unit. For details, see “Removing
the protection collar and the bracket (4)” on
the reverse side of the sheet.
• Keep the release keys 6 for future use as
they are also necessary if you remove the
unit from your car.
Caution
Handle the bracket 1 carefully to avoid injuring
your fingers.
Note
Before installing, make sure that the catches on
both sides of the bracket 
1 are bent inwards 2 mm.
If the catches are straight or bent outwards, the unit
will not be installed securely and may spring out.
Connection example (2)
Notes (2-A)
• Be sure to connect the earth lead before
connecting the amplifier.
• If you connect an optional power amplifier and do
not use the built-in amplifier, the beep sound will
be deactivated.
Tip (2-B- 
)
For connecting two or more CD/MD changers, the
source selector XA-C40 (optional) is necessary.
2
A
B
AUDIO OUT REAR
BUS AUDIO IN
BUS CONTROL IN
Catch
1
Source selector*
XA-C40
not supplied
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