I couldn't get the color correct so I took the front off the tv and can see that the Green CRT doesn't look like it's on at all. Does this mean it's the CRT or is there somewhere else to look? I have adjusted the screen knob to no avail. The TV shop has told me they would have to replace all 3 crt's and it would be over 1K to fix. Help! Thanks!
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Doing the adjustment is not actually a fix, all that does is change the drive amount of the green CRT which allows the set to work but the 3 CRts will be out of balance so picture color will be affected. The only way to repair a bad CRT is to replace the CRT itself. You can get replacement Green CRT from www.tvrepairworld.com
in the front cover turn up screens on all colors till you see retrace lines, then back them down to where dissappear. enless you know the correct voltage to set it. as for the green. i would try the red crt on the green and see if it looks ok. if so then replace crt circuit or check transistors on crt circuit may also need to change the driver on the heat sync.
Your problem is a bad connection on the CRT socket on the CRT driver board, a bad connection in the RGB driver supply from the video jungle IC or maybe even an intermittant Picture tube. the only way to tell would be to tap on the crt board while the sets playing with a non conductive insterment, and see if it changes. Now there is alot of HIGH VOLTAGE at this spot, so if you have no TV repoair experience Please stay safe and call in a pro to assist you. Good Luck
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