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Tried some magnets on the outside of the tube, but it only makes the magenta turn into green splotches. If I get the yoke too close to the tube I get the typical color patches on the 4 corners. Even in the ideal position the discoloration remains... in fact, it was glued pretty well from the...

Would a speaker work? I dont have a neodymium magnet. Also, how about using the degaussing wand at the back of the tube? I heard it can demagnetize the rings permanently. Im only getting the discoloration on the red colors (red, yellow and magenta), it's not noticeble on the other colors...

It's a TV that uses an A68QCU259X tube. But would a dislodged shadow mask cause a purity-like defect? I thought the effect would be crazy colors all over the screen. The case is perfect, no cracks or broken plastic, so I dont think it was dropped at some point. Also, I tried changing the...

I'm having serious purity issues on this set and I wanna know if any of you, which seem to be very experienced in the matter, have encountered something similar. Compared to most common purity issues it's somewhat subtle but noticeable in person. What happens is that the area around the center...