Question about Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

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I have no sound in tv speakers

It happen over night the s.s works fine please help. my power went out last night now the tv sound jumps off and on. the s>s still works fine thats the only way I get sound.

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Hello mel45y

This might be a settings issue so first I want you to check the audio settings and make sure that the TV is first set to use the TV speakers.

After that is done you may want to see if the speakers are not damaged (physical inspection).

Now here is the part you are not going to like. If the settings are ok and the speakers are physically ok, then this denotes a problem in the audio circuitry. What I can do is give you an idea of what might be wrong and then offer ways to troubleshoot this problem. If you have a background in electronics then this becomes just a task of telling you where to look for the problem. If you do not have a background in electronics, I would advise you taking the TV to a qualified TV Repair Technician for servicing.

Now with that being said you will have to determine where the audio signal is dropping at. Begining at the audio IC using an oscilloscope find the audio signal. Once the signal is found trace it to the path where the audio connects to the TV speakers, along this path you will see where the audio drops. if not right at the audio output stage of the audio IC.

This is how to find the problem, and unless you have specific equip you will not be able to take out and replace the old component.

I hope this helps,

Thank you,


Shuttle83

http://www.electron-age-technologies-llc.com

Posted on Jun 14, 2009

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