Zitat:
Zitat von jockyw2001  My Smart 55" was delivered with firmware dated 14 Sep 2016. In the SW-information menu it says LSC550FJ12-W, but on the label it is written LSC550FN19-W
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Thx! My firmware said the same before the update. Now it says your modell: LSC550FN19-W
Can you test the setting for DivPWM And PeriodPWM (hidden menu). Is it volatile? Im not sure if it was before the update, but it is now.