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Convergence issues again, try using the manual adjust with the remote.
you can only adjust the blue and red, if the green is wavy or the Red and Blue won't more then you will need the ICs or CBA changed again.
Unfortunately, the complete convergence amp board is no longer available from Samsung. But the board is available from ptscorp.com. Go to the website, get the telephone number, ask them what convergence Amp board you need and if they have it. If you know how to solder and unsolder, you can simply change the convergence amp IC's, on the main convergence board. The IC number if the IC's is STK392-040 Good Luck.
It sounds like you may have a loose solder connection either in the convergence circuit or the pincushion correction circuit. If you can't visually locate it, you may need a service manual and test equipment to track it down. I doubt that changing parts will be the cure if it is an intermittent problem.
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