LG 24MT48DF - No Video - Digital TV; Check RF Cable

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LGE Internal Use Only
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Only for training and service purposes
3. No Video - Digital TV
Check RF Cable
Y
1. Check RF IC(L3704) Power (3.3V)
2. Check IC1001 Output voltage(3.3V)
Replace IC1001 &
Recheck
Y
N
Check SCL/SDA Line(TU3702/TU3703 #1, #2)
Replace TU3702/TU3703
or IC101(=> Main Scaler)
N