TV quits working, screen goes black and red light next to power green light flashes 4 quick flashes . After a second or two of no flashing,red light repeats "code" flash. We pull the power plug at the TV, and the TV may start and work fine, or it may run for as short a time as 15 seconds. The remote cannot be used during this time while red light is flashing. Just before the warranty was up we had to take this TV in because the screen had verticle lines but sound was ok. The so called "mother board was replaced.This new problem started after the 3 month warranty period was up. Is the flashing light a code that will assist in evaluating repair.
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