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Go to tv menu go to screen setting turn screen contrast to the max and screen brightness half midway point like 55.Tv real old like around ten years?Watches alots daily like 6 or 7 hrs a day?The tv CRT-(tv tube) might be to old,the radiation colors guns R,G,B insisde might not work as well as before.Have a reset setting in the colors setting?Go down to that press that,to restting for the factory colors setting.Or tries add more blue,a bit less green and red,see how that turn out?
Hi, This kind of problem occurs if tv screen got hit by some thing that damage internally and its irreparable, second possible cause is magnetic field nearby screen, please check any speaker or some thing that has magnet inside around tv, remove it from tv to fix purple hue at top of screen. Unplug tv from AC wall socket for 20-25 minutes, replug back in and turn it On, this will demagnetize screen to cure the problem.
ok well "tube" tellys as they are called use an electro magnet to keep the picture stable and colours correct its called gaussing now if you have a speaker or something magnetic nearby it will stuff up the colors but only normally producing colors like purple,green, or white
if you have colors across the screen (that aren't caused by magnetic force) then you need to take it to a repairer or decide wether or not to buy a new one this issue can turn out to be quite hard to fix and can be expensive the different colored electron guns may be burning or burnt out causing pale color or it could be as simple as a power transistor in the H.V supply has shorted out..and causing power issues to the tube.
hope this helps,ben
There doesn't happen to be a speaker nearby does there? I've seen this a lot with center channel surround sound speakers. It goes like this because of the magnet in the speaker. Try moving the speaker if there was one (or anything else near the TV that may have a magnetic field).
Then, every time after you turn your tv on it should get slightly better thanks to the built-in degaussing coil in your tv.
If not, find a TV/Appliance repair man near you, and he will have what's called a De-gausser and will probably charge around $30 to use it on your tv.
You'll be watching 2D TV again in no-time!! ;-)
Unfortunately, this can't be fixed without replacing the picture tube. The drop caused a piece called the shadow mask inside the tube to warp or break loose. When that happens, the red, green and blue beams in the tube don't hit the right places on the screen. There isn't any way to repair this kind of damage.
If you had professional movers doing the job, their insurance should cover some or all of the cost of repairing the TV (replacing the tube, that is) or replacing the set. I wish I could give you better news.
Check any magnatic device near TV which causes purple color on screen. That device can be Speaker, Electronic toy, Watch like that carring piece of magnet inside. Remove that device and turn OFF your TV for half a hour, then power again. Hope the color will be fine n normal on entire screen.
My first inclination would be to check the picture tube, especially if the set is over 7 years old. If it is not that, then anything from bad solder connections to capacitors or a defective IC could be the cause. If it's over 10 years old, replace it. No use flogging a dead horse.