Question about GE 32GT740 32" TV

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Sound when watching two channels 23 and 43 on my cable the tv loses sound and hisses

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Re: sound

It's probably the audio amp Ic, which in that unit is a LA7612n...
Replace that and esr the caps locally and you should be good as new.. Otherwise the hissing will eventually be heard on all channels...

Posted on Dec 07, 2007

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Hissing sound from a Panasonic old TV...Sound and picture are OK. The hissing sound even continues when the MUTE on the Box is ON. The hissing only stops when the MUTE on the TV is ON. I am using the...

If you disconnect or power off the converter box does the hiss go away?
If you connect a VCR or DVD player does it still have the hiss? We
need to isolate what source is causing the hiss if it is from the set or
if it is from the converter box.
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I am not familiar with the converter box you are using. Are you using
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