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Re: purple hue on bottom of screen
You may have placed something with magnets near the bottom of the TV screen. Magnets will distort the electron beam in their vicinity. Move whatever you have there!
"de- gaussing" is the process of de- magnetising the shadow mask in the tube, it occurs automatically at switchon.
If removing magnets/ relocating TV / switching on and off does not fix the problem, it's time for professional intervention.
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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.
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!! ;-)
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.
Chuck the TV - probably
It depends on the repair facilities available where you live.
In big urban areas the cost of staffing a repair shop is such it can cost nearly as much per hour just to look at an item is it does to buy the next one-plus you get all the latest features.