LG 22MT55V - Page 18

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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(L2603) Power (3.3V)
2. Check IC2600 Output voltage(1.2V)
Replace IC401 & IC2600 Recheck
Y
N
Check SCL/SDA Line(TU2600 #4, #5) Replace TU2600 or IC101
N