LG 27UL600 - USER SETTINGS; Activating the Main Menu

TROUBLESHOOTING GUIDE
1. NO POWER
N
Check Power connector
OK ?
Replace Adapter
Y
N Y
Y
N
Replace IC601 &
Recheck
N
Y
Replace IC202 Flash Memory
Y
Check JP400,JP401
Voltage Level (19V)
Check IC601 Output
Voltage Level (+3.3V)
Check IC405,IC403, IC404Output
Voltage Level (5V,1.8V, 1.15V)
Replace IC405,IC403, IC404
&Recheck
Check X200 Clock 12MHz Replace X200