LG 27UL600 - Quick Settings; Accessing Quick Settings; Brightness and Contrast Adjustment

3. No Video-HDMI
Check signal format and
resolution
Is it supported?
Check JK100 or JK101 for
proper connection or Damage
Replace Connector
Y
N
Check HDMI 5V from Source(PC)
(JK100 and JK101)
(Pin No. 18)
Re Download EDID Data
Y
N
Y
Check HDMI Cable for
Damage or Open Connector
Y
Replace Main Scaler (IC200)