How do you fix a TV screen that has gone red?
You have to open the back of the tv(remember safety),look for three knobs,a red,a blue,and a green knob.You will have to tune each knob seperately,tune down the red and adjust the other two until your image is repaired.This could be caused by exposing your tv to a magnet.Remember that this is dangerous and you can shock.(",)
I would highly advise against tuning anything on a TV which has changed display on its own. I use to repair electronics for living and a symptom like that indicates a circuit failure in the TV. Any 'knobs' better known as variable resistors are pre-set at the factory and usually painted on one side to indicate and keep the factory setting. The only time you should mess around with those is if you do a CRT (aka tube) replacement to recalibrate the electronics for the new tube display.
To fix the described condition you will have to troubleshoot and replace the failed component (usually a transistor or an IC [integrated circuit]). You can try doing this on your own but a repair shop is usually the better choice since they have access to schematics, troubleshooting equipment and replacement parts. Good luck!
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I own the same tv, bought from FutureShop, and after nearly a year of use, I'm getting the same blank black screen in the middle all of a sudden. Selecting "menu" on the remote and scrolling to the "CC" (closed caption) options, I noticed that the "CC" setting was turned on, even though I wasn't getting closed captions on my screen. After turning this off, the box has gone away. Hopefully this is a permanent…
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A quick free fix is to remove the front panel (two screws) and then the board behind that, now you will see a black box with 6 knobs. This is the focus block now with the tv on, turn the knob R Screen (should be the right upper) to the left very slowly till the picture becomes less red. This will not make it perfect colors but close. Then replace all the parts that where…
Sadly, the days of tinkering in the back of a television to fix it are well and truly gone. Even independent TV repair companies are limited to replacing modules in LCD and Plasma screens. Anything more intricate and they have to go back to the manufacturer. Without the right parts, manuals and test equipment, there is simply no way to do it yourself. Even worse, repair costs are so high these days, that often it…