Troubleshooting - Radio Shack XL-400 Owner's Manual

12-2018.fm Page 20 Friday, May 12, 2000 12:46 PM
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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
—
No power the amplifier's
POWER indicator does not light
after the vehicle's auto sound
system is turned on
No sound
Distorted sound
20
Possible Cause
Power problem.
Vehicle's ignition not turned on.
Amplifier not connected to auto
sound system/vehicle correctly.
Auto sound system not turned
on or volume set to minimum.
Amplifier's LEVEL (MIN/MAX)
controls set to minimum.
Amplifier not connected to auto
sound system/vehicle correctly.
The amplifier might have shut
down.
Power problem.
The amplifier might be receiving
too much input power from your
auto sound system.
An output channel might have
shorted.
Troubleshooting
Suggestion
Check the amplifier's and auto
sound system's fuses and
replace them if necessary (see
"Replacing a Fuse" "Replacing
a Fuse" on Page 21).
Start the vehicle.
Check all connections.
Turn the auto sound system on
or adjust its volume.
.
Adjust LEVEL (MIN/MAX)
Check all connections.
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.
Check the amplifier's and auto
sound system's fuses and
replace them if necessary (see
"Replacing a Fuse" on
Page 21).
Reduce your auto sound sys-
tem's output power (if possi-
ble), or reduce the auto sound
system's volume.
Take the amplifier to your local
RadioShack store.