Question about Sharp LC-32D6U 32 in. LCD Television

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I have a nearly 5 year old Sharp LC-32D6U HDTV. The sound stopped working on the TV two days ago. The sound briefly resumed working (about 5 minutes) yesterday and then stopped working again. Is this a simple fix or does it require a repair?

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No one could know that without actually testing the tv to find what is wrong - it could be from something as simple as a bad connection up to - at worst -  a fried power amplifier. But since it's a sound problem it will be easy and cheap to fix.
Simple test to identify the general origin of the problem: play a something thru one of the AV entries - if you can't hear anything then the problem is in either the IC that commutes between the sources or the power amplifier.

Posted on May 27, 2010

  • ckahler May 27, 2010

    Cable TV is connected through an HDMI cable from the TV to a cable box. There is no sound when Cable TV is broadcast. I also tried playing the DVD player, which is connected via a series of wires ot the TV. The TV displayed the DVD image, but no sound. What is an IC? Is this an expensive repair? Trying to decide if it's time to cut my losses and buy a new TV.

  • Azrael SRL May 27, 2010

    Clearly the problem is in the audio final section. IC=Integrated Circuit.



    Most likely in your case the power amplifier IC has died - it happens. As i said it's a cheap fix for the part($10 to $20, depending on the place of purchase), the labor (which you could do yourself if you have a basic experience in electronics) is where the cost will be.
    If the image is good then it's worth keeping the tv. In the absolute worst case (the failure cannot be fixed)  or if you just don't want to bother to fix it the problem of the loss of the tv sound can be simply put aside just by using an external set of powered speakers connected to the audio output of the cable box and dvd player.

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