Both the the left and right have large color blobs, more intence at times, shows more on blk/white
There is a degaussing resistor that activates when tv is first turned on and purifies the screen so there is no color contamination, sometimes it will become defective or develope bad connections on the circuit board. The part looks like a box "black/green" and is located near the power cord. If it has stopped working it would explain the color blotches. To fix it! the part needs to be replaced or resolded back on the board and a degaussing coil used to give it the once over, tv tech carries one just for that purpose. The other possibility is if speakers are to close to the viewing screen the magnet will leave blotches and must be degaussed to correct it.
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