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I have a Vizio Plazma 50" tv. When you press the "on" button the green light in th elower right corner of the tv starts flashing yellow and green, this has been normalsince we had the tv, but the picture will not come on. if you turn the tv off, the next time you press the "on" button noting will happen. I have taken the back off the tv, and there is one board that all the boards plug into, this board clicks when you trun the tv on and off - could thi sboard be the problem. I can get a refurbished board on line for $174. What do you think? Dan Reinholtz

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  • dreinholtz Jul 01, 2009

    Kevin,



    There is no lamp, this is a plazma tv. The main board looks like a power supply for the whole tv. Is there a way to check this board? Or if the clicking means that the ballast is good, could another circuit board be the problem?



    Dan

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Dan,

Here are the possible cause of the problem:

1. Panel - this is the screen you look at
2. Capacitor - a component that's attached into the circuit board.
3. Circuit Board - it's the one that you found after taking off the back cover of the TV.

You need to check first the capacitor, and if found a bad capacitor, you may replace it so that you would not spend too much money.

If the problem is the panel or the circuit board, I would suggest to have a service tech that would test it first before replacing any of the two.

Kindly check the link below and see the if there's an available circuit board that is compatible with your TV:

http://www.rivervalleyelectronics.net/6871QCH034A_p/6871qch034a.htm

Hope these helps and have a great day!



Posted on Jul 01, 2009

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  • Master
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Usually clicking noise indicates that the ballast is working and is trying to light the lamp. After 3 attempts it will shut the TV down if the lamp does not light. Check to make sure the lamp is correctly and firmly installed. It is not unusual to get a new defective lamp. If you are sure the lamp is installed correctly, you may wish to return the lamp to have it replaced.

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Kindly rate the answer
Kevin

Posted on Jul 01, 2009

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