Insignia NS-HT51 - Manual (Page 13)

11
Insignia NS-HT51 5.1 Home Theater Speaker Package
www.insignia-products.com
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 Solution
Subwoofer makes loud noises
when power is turned on. • Muting circuit is defective. Return for repair.
Subwoofer has no output, and
Status LED is off. • 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.
Subwoofer has no output, and
Status LED is red. • 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.
Subwoofer has no output, and
Status LED is green. • Audio signal is present, but input level control is
set at the minimum.
Subwoofer has little output. • Input level control is set too low.
• If using high-level inputs, right and left channels
are connected out of phase. Check the wiring.
Subwoofer output is distorted
at high volume. • 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.
Subwoofer output is distorted
at low volume. • 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.
Subwoofer emits a hum or
buzzing noises. • 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.
NS-HT51.fm Page 11 Thursday, March 6, 2008 6:46 AM