Insignia
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 |
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|
Subwoofer makes loud noises | • Muting circuit is defective. Return for repair. |
when power is turned on. |
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Subwoofer has no output, and | • Line cord is not plugged in. |
Status LED is off. | • 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 | • No signal is reaching the subwoofer. Check the |
Status LED is red. | connections from the receiver or preamplifier. |
| • The power switch is off. Move switch to Standby |
| or On. |
|
|
Subwoofer has no output, and | • Audio signal is present, but input level control is |
Status LED is green. | set at the minimum. |
|
|
Subwoofer has little output. | • Input level control is set too low. |
| • If using |
| are connected out of phase. Check the wiring. |
|
|
Subwoofer output is distorted | • Volume of the subwoofer is too high, causing the |
at high volume. | 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 | • The signal from the receiver, amplifier, or |
at low volume. | 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 | • Grounding problem or ground loop condition. |
buzzing noises. | 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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