RCA HDTV CONVERGENCE GOOD IN THE MIDDLE BUT ON TH LEFT SIDE THE RED IS LOW AND ON THE RIGHT SIDE THE RED IS HIGH?
Jun 09, 2011
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Product Troubleshooting for Televison & Video
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I'm assuming you have checked the position of the red CRT and it's ok - the positioning bolts are all ok and the fault can't be eliminated by the tilting of the tube. In that case it's either a failure of the S-correction circuit on the deflection coils or the convergence circuit is failing. Since you haven't told us the exact model of your tv i can't give you a link to a repair kit.
Then you need to have the convergence ICs' changed on the convergence board, or just replace the convergence board. Go to www.partstore.com for new convergence board, and to have this problem repair you are looking at around 350.