LG 24MT45V - No Screen or Video Troubleshooting

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Only for training and service purposes
2. No Screen on
Replace Cable
N
Module Back Light On?
Check IC1001 & Q1002
Replace LED Driver IC or FET
Y
N
N
Check Panel Power 12V (P600 #30)
Check IC800 Output 12V
Replace IC400 &
Recheck
Y
N
Check Panel input Clock
P601(#9, #10)
Check IC100
Repair Main B/D
Y
N
Check FFC Cable for Damage or
Open Conductors
Check LED Driver Output
(C1024)
Replace T-Con Board or Module
Y
Check IC101
Replace Main SOC
N
Check WLED_ENABLE High?
Y