2012 LED TV Auto Power Cycling/Reset

TV Models: LED ES7500 and ES8000
Symptoms:
•• The TV sometimes displays vertical lines on the screen and then turns OFF and ON by itself.
•• The WD Count in Service Menu>Control>Sub Option is higher than 0.

Resolution:

  1. Check the power cable between the Main board and SMPS (Power Supply).
    a. If the cable or connector on the SMPS is discolored, replace the cable and SMPS board.
    b. If the cable or connector on the Main board is discolored, replace the cable and Main board.
    c. If the cable and the connectors are OK, do not replace the cable or the SMPS or the Main
    board and skip to Step 2.
  2. Replace both the LVDS cable and T-Con board.

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