Troubleshooting - Insignia NS-HT51 User Manual

NS-HT51.fm Page 11 Thursday, March 6, 2008 6:46 AM
Insignia NS-HT51 5.1 Home Theater Speaker Package

Troubleshooting

After you have set up your new speakers, they should give you years
of listening enjoyment with your favorite movies and music. However,
if you should experience a problem with your speakers, try these
troubleshooting steps to help diagnose and fix the problem.
Problem
Subwoofer makes loud noises
when power is turned on.
Subwoofer has no output, and
Status LED is off.
Subwoofer has no output, and
Status LED is red.
Subwoofer has no output, and
Status LED is green.
Subwoofer has little output.
Subwoofer output is distorted
at high volume.
Subwoofer output is distorted
at low volume.
Subwoofer emits a hum or
buzzing noises.
Solution
• Muting circuit is defective. Return for repair.
• Line cord is not plugged in.
• Line fuse is blown. Unplug the line cord from the
wall outlet, then check the fuse.
• Internal fuse is blown. Return for repair.
• No signal is reaching the subwoofer. Check the
connections from the receiver or preamplifier.
• The power switch is off. Move switch to Standby
or On.
• Audio signal is present, but input level control is
set at the minimum.
• Input level control is set too low.
• If using high-level inputs, right and left channels
are connected out of phase. Check the wiring.
• Volume of the subwoofer is too high, causing the
amplifier to be overdriven. Reduce the input level
control.
• The signal from the receiver, amplifier, or
preamplifier is distorted from being overdriven.
Reduce the main system volume or bass tone
control.
• Subwoofer electronics are defective. Return for
repair.
• The signal from the receiver, amplifier, or
preamplifier is distorted from defective
electronics.
• The signal connecting wires to the subwoofer
are shorted. Check the wiring.
• Subwoofer electronics are defective. Return for
repair.
• Grounding problem or ground loop condition.
Check the wiring.
• Isolate the problem by removing all connecting
cables and turning up the subwoofer input level
control. If noise is still present, subwoofer
electronics are defective. Return for repair.
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