Hyundai HLCD-A27W4 Service Manual page 20

27" LCD TV
3. No display (LED indicator green)
Check main board power supply
Check the source
OK
Check LVDS cable
OK
Check 24V power supply
OK
OK
NG
Check U300
OK
2
Check I C communication
OK
NG
Check panel
NG
Reset source
NG
Reset LVDS cable
NG
Return to "5.1"
Replace U300
Replace panel
20
Hyundai HLCD-A27W4