Hi,
I turned the TV on today and all I heard was " noise " that you usually hear when you have a " snowy " picture. I looked up at the screen and there were 2 white lines, 1 horizontal and 1 vertical about 1/4" inch thick that formed a cross ( + ). I disconnected the digital cable box to make sure it had nothing to do with it. I turned the TV on and off manually and still have the problem. Hope you can be of some assistance....Mike
I was ready to trash the TV but plugged it in one more time for the hell of it after it sat unplugged for about 2 months.......it works fine now !!!...I know what I saw and trust me ...it was just 2 white lines( each about 1/4 inch thick ) one horizontal, one vertical in the center of the screen that formed a cross...they both extended to the edges of the screen...the rest of the screen was dark...oh well, it works now so guess I will have to wait till next time it does something goofy to ask for help again...thxI was ready to trash the TV but plugged it in one more time for the hell of it after it sat unplugged for about 2 months.......it works fine now !!!...I know what I saw and trust me ...it was just 2 white lines( each about 1/4 inch thick ) one horizontal, one vertical in the center of the screen that formed a cross...they both extended to the edges of the screen...the rest of the screen was dark...oh well, it works now so guess I will have to wait till next time it does something goofy to ask for help again...thx
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57 Answers
Re: lines on screen
Can you take a picture of the screen and post it? It is not possible for both the horizontal and vertical stages to fail at the same time to produce a cross. A picture of the screen would help significantly.
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I've been repairing TV's for over 15 years and I would say either a bad Tcon's or main board issue. Theirs no need to replace capacitors these days, you can get the main board from $40-60.
Have you tried using different devices on the unit? If your getting a snowy picture on a satellite receiver, check with your provider for troubleshooting guide their unit. Or let me know the provider and I can lead in you right direction.
Hello, I have exactly the same problem with the exact same TV, white screen for about 15 minutes and than image appears perfect as if nothing happened. I have asked an ebayer which sells TV parts and he suggested it could be a main board or tcon board. I am quiet hesitant to fix my tv, but if the tcon board would fix it, i'd go for it. Did You manage to solve the problem yet?
The pop noise could be a capacitor poping its top up.This is a common problem to most TV sets today. Usually located at the power supply board.Once this parts give up it usually shorts the circuit and blows a fuse.Replacements of these parts mentioned will often remedy the problem.Flashing power indicators indicate a problem.If you have the chance of counting how many the blinks are I could have told you the problems code are and the source of the problem.
hi.. Two or more things, first make sure you have your audio vidio cables correct
Yellow= Video Red= Audio right White Audio left
Also
make sure that the tv matches the input your cables are connected into.
I would make sure the restart the PS3 to make sure the video is good
(after checking the tv input)
There is a faulty capacitor somewhere in the unit sending wrong voltage. The system will have to be tested with volt-meter or capacitor tester to determine faulty capacitor
You didn't mention if you saw fine white diagonal lines running through the screen from top to bottom. If so, you likely have a shorted Picture Tube which is not usually fixable. If there are no lines seen running through the screen, then it is possible the High voltage transformer which also has a screen voltage and focus control built in that could be bad. I would expect the cost of that part to be about $100, so the repair cost total could approach that of a new set I would guess.
I was ready to trash the TV but plugged it in one more time for the hell of it after it sat unplugged for about 2 months.......it works fine now !!!...I know what I saw and trust me ...it was just 2 white lines( each about 1/4 inch thick ) one horizontal, one vertical in the center of the screen that formed a cross...they both extended to the edges of the screen...the rest of the screen was dark...oh well, it works now so guess I will have to wait till next time it does something goofy to ask for help again...thx
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