my sanyo plasma tv model 50747
i was watching my sanyo plasma 50 inch model 50747 was playing fine then it just started to mess up and now the top third of my screen messed up its only 3 years old i was told it was my upper buffer board but that was by a friend i need someone to tell me what it causeing the problem
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Last edited by pharcyde67; 05-11-2012, 09:35 AM. -
Re: my sanyo plasma tv model 50747
post pictures of the upper buffer board, you cant say anything until you see if you have a problem, use sight, see if anything is visually apparent, sound to see if anything popped, touch to see if anything is too hot. and smell to see if anything is smoking.you cant tell what is wrong or causing a problem by guessing, too many varibles. -
Re: my sanyo plasma tv model 50747
Look like you Main Board ZSUS or Main Board YSUS is badComment
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Hi Guys, I desperately need your advice on this set.
When pressing standby to "ON" then the Panel has a pre charge flash and further no image. The audio works 100%. I have the TV plugged into HDMI input.
I measured all the main board voltages and they are all correct according to service manual. I then went to the logic board and put a wire on the "Auto" to generate
its own test patterns. This works, telling me that the plasma panels are ok. After removing the jumper we go to having a black image.
I cleaned the ribbon from the main to the logic board,...
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