What to change:
Go to "13. OLED" (if you dont see it, press exit on the remote and access the Service Menu again).
Set "TPC Enable" to '0' or 'Off' (depending on your model/firmware). (See attachment 02)
Press Exit on the remote. (The change will be saved)
Enjoy.
跟住咗黎做, TPC Enable set咗做off
都係會慢慢變暗