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I have a flat screen lcd 42 inch model number 37MF321D/37 and the on button just keeps flashing and the remote does nothing?

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I think you have a power supply problem in your Magnavox 37" set.
Maybe you need change the POWER BOARD.

Check if you have sound in some audio input.

Posted on Jun 20, 2008

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You have either a bad power supply ( a very common problem) or the inverter board that runs the back - light is bad. The power supply board will have capacitors that are leaking or puffed up looking. Same on the inverter board. If you can get a component leval repair then that is cheaper ... But most techs just replace the board. Not a do it yourself job. Expect a cost of $200.00 to $300.00

Posted on Jun 20, 2008

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Posted on Jan 02, 2017

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http://www.youtube.com/watch?v=qSS6ycUxS98

 

http://www.youtube.com/watch?v=oTOkHKPJsnM



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