LG 22MT44D - Page 17

- 17 -
LGE Internal Use Only
Copyright © LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. No Video - Digital TV
Check RF Cable
Y
1. Check RF IC(L2606) Power (3.3V)
2. Check IC401 Output voltage(3.3V)
Replace IC401 &
Recheck
Y
N
Check SCL/SDA Line(TU2603 #4, #5) Replace TU2603 or IC101
N