Question about Samsung LN40A550 LCD TV

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Turns on and off on its own. Can't turn on or off

Samsung LN40A550 LCD TV

Turns on and off on its own. Can't turn on or off either on remote or on the t.v. panel itself.

Anyone else has this problem with Samsung t.v.?

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  • 178 Answers

It is a common problem on this model, the TV on and off cycles, and hear the turn on sound repeat every minute. you can replace the main, the part # you can see a sticker on the board, the format is like BN99-99999C. cost approx $120.

Posted on May 11, 2010

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