TV picture is dark
Symptom
If TV is set to energy saving or eco mode, display becomes dark.
Dark picture Normal picture
How to fix
Menu→ Picture→ Energy saving mode→Off
or press “energy saving mode” of remote control repeatedly and choose “off”.
Menu→ Picture→ Picture mode→ Vivid
[Smart] → [Setting] →[Picture] → [Energy saving mode] → Off
[Smart] → [Setting] →[Picture] → [Picture mode] → Vivid or Standard
[Home] → [Setting] → [Advanced setting] →[Picture] → [Energy saving mode] → Off
[Home] → [Setting] → [Advanced setting]→[Picture] → [Picture mode] → Vivid or Standard