Repair Flow Chart - Hyundai HLCD-A20W4 Service Manual

20" LCD TV

6. Repair Flow Chart

1. No Display (LED indicator green)
Check the source
Check LVDS cable
Check 12V power supply
Check main board power supply
Check U406
2
Check I
No display
NG
OK
NG
OK
OK
OK
NG
OK
C communication
OK
NG
Check panel
Reset source
Replace LVDS cable
NG
Return to "3"
Replace U406
NG
2
Repair I C communication relative circuit
Replace panel
19
Hyundai HLCD-A20W4