20TV002R3
KD-55XG85xx, 55XG8796 models
Subject: No or intermittently no display [REVISION 3].
SYMPTOM
No or intermittent no display. Sound OK. White LED burning.
CAUSE
Bad connection between Main Board and T-Con board.
SOLUTION
Refer to the diagnostic method like explained on the next page.
FFC connection (41P / 51P) failure or 41P connector on B board may be faulty. Perform a Tapping test to isolate the
problem.
Tapping test: Touch near the red frame – like indicated in the below picture – to change the symptom.