Question about Dell W4200 42 in. HD-Ready Plasma Television

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The sound on my Dell W4200 is crackling some times even when the sound is on mute. Sometimes the sound is fine, other times no sound and other times the crackling noise. Any idea what problem may be?

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Hi There,
Crackling sound is often an indication of bad connections to the speakers. Are you listening with the built-in speakers or through an external amplifier?
If you are listening through an external amplifier or speakers, check all of the connections to make sure the cables are properly inserted, and wiggle the cables from each end and the middle to see if that reproduces the symptoms. Sometimes a cable can become damaged from being squashed or bent, and it may be as simple as replacing the faulty cable with a new one.
If you are listening with the built-in speakers the situation might be harder to identify and correct. Sometimes it is as simple as nearby wireless devices or radio towers causing interference with the speaker. You can try repositioning wireless devices such as computer routers, cordless landline phones or radios to see if that helps.
However, over time the solder used to connect the internal components can wear and sometimes break the connection. For this type of situation repair is usually the only option. If the warranty of your TV has expired you may have to take it to a local TV service center. Typically a loose solder joint is easy to identify and fix, so the repair bill should not be high.
Please post back with your results.

Posted on May 26, 2011

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