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Sony 51 inch model kp-51hw40 Trouble code 8

Will not stay on.Red lamp trys to go on,Than flickers and TV shuts down.And code 8 flashes.Please Help

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A 8 blink code usually means there is a High Voltage issue. Replacing the "D" board fixes it most of the time. You could also have a HV Block that has failed. The only way to know for sure is to get a professional out there to check it out. A High Voltage problem is something you do not want to mess with.
Hope this helps,
Skyassoc

Posted on Jul 20, 2009

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Posted on Jan 02, 2017

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Hi,
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