LG 32LD340H - Page 42

No OSD Trouble Shooting guide
Check LVDS Cable
Check LCD Module
Control board
Y
Replace Cable
N
Check P401 All
Voltage Level (5V, 12V, 16V)
Check power connector and
RL_ON(pin1) signal OK ?
Replace Power board
NY
Check Q409 output Voltage(12V)
Y
Check Q409 application circuit or
replace Q409
N
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