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hello, the problem is a colour patches , you can solve this by using a big size magnet like that in an audio speaker to remove the colour patches. you do this when the television is power on, and gently moving the magnet towards the screen of television. hope this will help...
If you have green patching or anyother colour patching on the screen, your TV may need de-gaussing. The problem is caused when a magnetic field comes close to the TV. A simple solution can often be achieved with a fridge magnet, by moving it over the green patch and pulling it away in certain directions may solve the problem. A TV tech will have a de-gaussing coil which can solve the problem in a matter of minutes.
This sound very simple. You might need to DEGOUES your tv. Try to find a small degouesing coil at a parts store. This will take 2 seconds to fix. Just plug in the coil and wave it in front of the screen, pull it away from the screen, and it is fixed.
The most common cause is, shadowmask inside of the CRT is magnetized. It sounds by your description that the TV's internal degausser for the CRT is not working. This is serviceable by a service tech.
Most of the time the cause of a failed degausser is the thermoresistor. This is a common type of failure.
Another cause that can show the fault you are seeing is if the shadowmask in the CRT is defective. Sometimes the mask is damaged when the set is being moved, and is accidently banged against something. The CRT is sensitive to this type of treatement.
If the mask inside of the CRT is defvective, the only fix is a new CRT.
Is it a green tint at some areas alone, oris the entire image having a green tint?
If it is a color patch at the corner or other areas of the screen, in all likelihood it is a degaussing problem. Color patches happen when the TV is moved from one location to another, or if some magnetic source is placed close to a CTV. Did you put a radio or Tape recorder or Walkie talkie toy or any magnetic source near the TV? if yes, remove it. And the automatic Dregaussing circuits in the TV will resolve the problem in a couple of days.
But if there is an overall Green tint on the picture, it signifies a problem in the Video output stages, and there is nothing you can do, but call the technician (unless you know solid state servicing?)
Sometimes lcds will turn a yellow/brown/redish colour if they overheat. normally this will not cause long term damage to the screen but it is not good for it, try letting the monitor cool then using commpressed air to get rid of dust or attach a small fan to see if it helps. This may not fix the problem but should confirm if thats what it is.
Problem 1. Color patches at lower corners. These are caused by magnetic sources close to the TV. Do you have any Speakers close to the sides of the TV? Are they Magnetically sheilded? No? Move them away from the TV. Problem should then resolve itself in a couple of days.
Problem2. Screen Slumping. Most likely a problem with the Pin cushion correction ckts. Get a good technician to have look. cost should not be much. Under 100$ plus Technician fees.