I am getting a black screen with purple lines from all inputs. If i turn off the tv and restart I get the picture back for a short time and then back to the lines (seems to lose input signal). I saw some older post here on the topic that replaced the 9v regulator and it fixed the issue. I am hoping to get some instruction/ pics on how to replace the regulator. I have the service manual downloaded. Thank you for any help. I need to get the tv back on before Christmas. lol
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Go back to the post you seen about the regulator and see if they give you a board location number for the part. If they do find that number on the board on your tv and that is the part you should replace.