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This fault is technically called 'retraced lines'. There are many reasons for this fault. It will be best to contact any service technician. If the screen voltage to CRT is abnormal [higher than normal]; this kind of fault can occur. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
One among the post have details about this fault "Retrace lines with picture".
Tv is old the tv CRT-(tv tube) it CRT Yoking circuitry not good as before.The tv deguassing coil in not eleminating all the interference of the tv functions anymore.Move the tv unit to the right or to left like about 3 or 4 inches either sides will help for this problems.
Especially Projection TVs will shut down to protect the projection tubes because loss of proper scan can burn an image into the phosphors in the tube itself. The squiggly lines most likely are a symptom of a failure in the Horizontal output section (the part that scans the picture from left to right), there is also a possibility of the Vertical output section (the part that scans the picture from top to bottom causing the problem. This will require replacing a circuit board or repairing the one in the set at a component level. This is best left to a qualified Technician to do the work.
The line is there because the vertical deflection unit - the one that spreads that line across the entire screen to form the image - has failed. Replacing it is a job for a professional, or at least an experienced amateur, and the parts will be quite difficult to find for such an old tv .
ya your bulb is screwed, its old and is skewing the images together. How old is your tv. or bulb? or how old is the tv in general. hitting it sends a shock to the bulb straightning out the lines until it heats up agaain
you need to move your speakers away from the tv. turn the tv off and on about 10 times. it has a degauser built into the tv it will take the green out. also a vacume cleaner can cause this to happen. as long as it is a tube type tv.
First, Id like to know how old is your unit? Also, the lines indicates in issue with regards to the lifespan of your tube. The dominant green color has something to do with a malfunctioning ray gun of your tube. However, i had encounter a unit that was resolved by simply resoldering the circuitry of same problem.
Why dont you try to resolder the board first.