Question about Sony DAV-S300 System

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Audio on spekaers out, but not on AV output or headphones

I have opened the DVD player, and found that a chip has been blown. It is one of three, a TA2020-020, digital amplifier with two channels. I can try to replace it, (32 legs!!), but I am trying to figure out why it blew so that it doesn't happen again. What is also funny is that the other four channels from the other two 2020 chips are also silent, but I suspect that the FAULT signal from this one is keeping the MUTE input on the other two HIGH, and that is why there is no sound on any spekaer. Must I take a chance and just remove this chip, and see if the other channels work? The chips are located on the Power board, the complete board costs US$ 264.05 which is a bit ridiculous compared to a chip that I can get for $17.00

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My advice is replace the complete board then you will have no more problem.although 17.00 dollars compare to 264.00 is ridiculous it will cost far less when you multiply big numbers by $ that you might end up spending more than $264.00

Posted on Feb 25, 2007


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