I was watching tv yesterday and all of a sudden the screen went white then red then green then black and back to white and so on. No sound. I turned the tv off and back on and just the rotating colors again. I waited about two hours and turned it on again and it worked fine. Now this morning I turned it on and its just the colors again. I have been trying every hour and still just the colors. The tv is only about 6 months old. I try hitting menu or source but nothing happens, just keeps changing colors. Any ideas?
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Jan 7, 2010 - 26 posts - 15 authors
Hi, I have a Samsung LN40A550 LCD TV which I have had for just over a year. ... I was watching TV yesterday and all of a sudden the picture went all. ... started makinga very high pitched buzzing sound with no picuture coming on. We did have a bunch of green vertical lines, but now just a black screen.
The three picture cords (red/blue/green) often are a little larger around than the sound cords (red/white). If they are they same size, they are often grouped separate by picture and sound. Double check to verify if you have the "red" cords correct. Good luck.
Hi, I disagree with info provided, if screen of your LG lcd tv becomes green that means inverter board is working and lcd tv does not have convergence ICs. Please unplug tv from ac wall socket for minute to get it reset, replug back in and turn it On and check its picture. If still showing green screen then change input source with remote, if tv shows same green screen on all inputs that means its either lcd panel problem or digital signal processor got bad loacted on main board. Local tv repairman is needed to confirm and fix it. Thanks.
IF IT IS HOOKED UP WITH COMPONENT CABLES (GREEN, RED, AND BLUE) FOR PICTURE AND RED AND WHITE FOR AUDIO, MOST LIKELY THE RED ONE IS NOT SEATED PROPERLY, CHECK BOTH ENDS THE ONE CONNECTED TO THE TV AND THE ONE CONNECTED TO WHATEVER THE SOURCE IS ( SATELLITE BOX, CABLE BOX ETC.
Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.
The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded overs.
You can find more details and solutions here on Fixya at the following link below. Or click HERE
Hey, I had this problem on Thanksgiving Day, trying to watch a dvd on
my mother's HDTV. You should be able to hook up most standard dvd
players to hdtvs. First you have 3 cords, mine were red, yellow, and
white. The connections go as follows:
Audio| Component. The white cord should be in a white audio slot. The
yellow cord should be in a yellow component slot (video) and the red
cord should be in a red video component slot labeled Pr/Cr. Make sure you match the component numbers. For instance, if you want to use component one,
then hook all of the cords into the slots for component one. Most hdtvs
have multiple component hookups ( think multiple "channels" for your
game system, dvd player, etc) so it's important that the corresponding
cords go to the correct component slots.
Match the yellow and white cords to the appropriately colored slots.
The red cord should go into the slot labeled component video out Cr/Pr.
Not the red audio out. This worked for me. Hope this helps.