Question about Hitachi 50SBX70B 50" Rear Projection Television

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Shuts off on it's own.

I have seen a few posts on here about this but not an exact solution. My TV: Hitachi Ultravision 50SBX70B 1997 model. Shuts off on it's own, wait a bit then turn it back on. I removed the back panel and vacuumed all the dust off the boards. It seemed to help it stay on longer. I found a 15W rectangular ceramic resistor that gets hot as hell (#904) in the power supply ciruit. I thought about attaching a heat sink to it to see if it solved the problem. Any suggestions?

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Bad lamp

Posted on Jun 09, 2009

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