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10GB
Precautions
This unit is designed for negative ground (earth)
12 V DC operation only.
Use speakers with an impedance of 4 Ω to 8 Ω.
Do not connect any active speakers (with built-in
ampl
ifiers) to the unit. Doing so may damage the
active speakers.
Avoid installing the unit in areas subject to:
High temperatures such as from direct sunlight
or ho
t air from the heater
Rain or moisture
Dust or dirt
Inclined surface
Direct contact with a driver/passengers.
If your car is parked in direct sunlight and there is
a c
onsid
erable rise in temperature inside the car,
allow the unit to cool down before use.
When installing the unit horizontally, be sure not
to cove
r the unit with the floor carpet, etc.
If this unit is placed too close to the car audio unit
or an
tenna (aerial), interference may occur. In this
case, relocate this unit away from the car audio
unit or antenna (aerial).
I
f no power is being supplied to the car audio
unit, check th
e connections.
This unit employs a protection circuit* to protect
the t
ransistors and speakers if the amplifier
malfunctions. Do not attempt to test the
protection circuits by covering the unit or
connecting improper loads.
Do no
t use the unit on a weak battery as its
optimum
performance depends on a good power
supply.
For safety, keep your car audio unit volume
moderate
so that you can still hear other sounds.
* Protection circuit
This amplifier is provided with a protection circuit that
opera
tes in the following cases:
When the unit overheats
When a DC current is generated
When the speaker terminals are short-circuited.
If a protec
tion circuit is activated, the POWER/
PROTE
CT indicator will flash. For details, see
“Troubleshooting” (page 12).
If you have any questions or problems concerning
your unit that are not covered in this manual,
please consult your nearest Sony dealer.
Maintenance
When replacing the fuse, be sure to use one
matching the amperage stated above the fuse
holder. If the fuse blows, check the power
connection and replace the fuse. If the fuse blows
again after replacement, there may be an internal
malfunction. In such a case, consult your nearest
Sony dealer.
Additional Information
Fuse Replacement
Warning
Never use a fuse with an amperage rating
exceeding the one supplied with the unit as this
could damage the unit.
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