Daewoo LM32L2 Series - Display Troubleshooting (Black Screen)

Hardware Trouble shooting
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5-4) Display Trouble (black screen)
Black screen
Check if the voltage on
CN3/BLON is 5V
NY
Check if the power supply
for inverter is normal
YN
Check the control circuit from
BLON to U12 or U12 is damaged
Repair the power supply The inverter is damaged