Question about Hitachi 53SWX12B 53" Rear Projection Television

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Hitachi 53SWX12B: Sound goes out for a while, then comes back on

When turn TV on, the sound is there for a minute or two, then goes out. It will stay out for hours. To get to work again, a lot of times, I will turn the TV off for a few minutes, then back on. I may have to do this several times until the sound stays on. Once it comes back on, it stays on usually. This is the second time this has occurred. It was the main audio converter that went bad. I believe it is the same thing again. My hunch is, that a solder joint must go bad each time. I do not have a schematic for the TV it seems. I am not sure where this device is located in the TV to determine if that is it, and possibly order a new one. Not sure how hard it is to replace....but I don't want to spend a lot fixing the TV again, because it's not worth it. I have had this Hitachi 53SWX12B now for about 7 years. The sounds is starting to faze in and out. I was trying to find a solution on the web but not finding one. Please let me know what needs to be replaced and the step by step instructions with pictures if possible to fix. Also need source to buy replacement parts. Thanks!

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For service and support, please call 800-536-6721 or send an email to monitor.support@hal.hitachi.com.
Sergio

Posted on Mar 12, 2008

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Https://www.manualsparadise.com/ShowProductsForModel.do?model=M54243335

http://www.retrevo.com/s/Hitachi-53SWX12B-TVs-review-manual/id/371ag903/t/1-2/

Here are 2 links where you can get a manual for your tv.
The second (retrevo.com) is free to download in pdf format.
Let me know if this helps.

Posted on Mar 12, 2008

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A bad solder on the TV cause of external overheating of the Television..

Thanks,

Posted on Mar 12, 2008

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