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I am a technician, I am repairing my plasma tv, CV14200 champion plasma screen 42". I replaced already sc borad that was visible blown up and image gray with no picture it shows me! Then I replaced the D1, the first board that has the sound card built in and nothing ..... No picture, no menu functions, all I got is a gray\black screen light up.

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The SC board that you are talking about is part of the energy retention circuit that powers the PDP. SInce you have no sound either I am inclined to believe that this is a power supply related fault. I have seen this happen with too many sets off late and users have reported that they have replaced the main audio/video board just like you. But the fact is the power supply is not able to provide enough voltage to the sustain boards or the main audio video board. If its an overlaod it goes into standby but not for under voltage. The main cause of this problem is a power surge that may have also fried the sustain board. Just replace the power supply board and I am 100% sure that the baby will be up and running. If you need my help finding a replacement then feel free to let me know.

Posted on Jul 07, 2010

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Posted on Jan 02, 2017

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Does this make sense?


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