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After a few minutes on or as it warms up ,the vision goes all blurry and white lines. identified the both slave and master boards in the back,but do not know which one would I replace to rectify fault

Have supplier of both boards

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It is not a backlights inverter problem; if you do have vertical lines on screen, it is a defective LCD panel, if it is horizontal lines, it may be defective LCD panel, or defective main digital board.

Posted on Apr 06, 2015

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If you have the back off and have identified boards in question, after it warms up and starts malfunctioning take either canned air(preferred because it comes out cold) or the blower end of a vacuum cleaner and blow all over one board at a time to see if problem corrects. If cooling of a particular board corrects then that is your bad board. May not be the boards

Posted on Apr 06, 2015

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