Read LG 47LU35 (CHASSIS:LA84D) Service Manual online
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Check RF Cable
Check CVBS signal
TU402 #16 Pin
Replace Tuner(TU402)
Y
N
Check Tuner 5V Power
IC710 #3 Pin
Replace IC710
Y
N
Check IIC Line
Replace Mstar(IC100)
Y
N
Check Mstar LVDS output
Replace Mstar(IC100)
N
Y
Analog TV Video Trouble shooting
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