20
Troubleshooting
ˆ
Troubleshooting
We do not expect you to have any problems with your RadioShack High Power 4/3/2-Channel
Bridgeable Amplifier, but if you do have a problem, this chart might help. If not, take the ampli-
fier to your local RadioShack store for assistance.
Symptom
Possible Cause
Suggestion
No power
—
the amplifier’s
POWER indicator does not light
after the vehicle’s auto sound
system is turned on
Power problem.
Check the amplifier’s and auto
sound system’s fuses and
replace them if necessary (see
“Replacing a Fuse” on
Page 22).
Vehicle’s ignition not turned on.
Start the vehicle.
Amplifier not connected to auto
sound system/vehicle correctly.
Check all connections.
No sound
Auto sound system not turned
on or volume set to minimum.
Turn the auto sound system on
or adjust its volume.
Amplifier’s
LEVEL (MIN/MAX)
controls set to minimum.
Adjust
LEVEL (MIN/MAX)
.
Amplifier not connected to auto
sound system/vehicle correctly.
Check all connections.
The amplifier might have shut
down.
Turn your auto sound system off
and let the amplifier cool. Make
sure the amplifier is properly
ventilated. Then turn your auto
sound system back on. The
amplifier turns itself back on
when it is cooled.
The amplifier detected an input
overload. Reduce the auto
sound system’s volume.
Power problem.
Check the amplifier’s and auto
sound system’s fuses and
replace them if necessary (see
“Replacing a Fuse” on
Page 22).
Distorted sound
The amplifier might be receiving
too much input power from your
auto sound system.
Reduce your auto sound sys-
tem’s output power (if possi-
ble), or reduce the auto sound
system’s volume.
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