LG LMC25780 series Service Manual page 50

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3
Check the Blue White to Red.
4
Check the White Red to Red.
(1)BL/WH (2)RD
Test Point
Result
(1) To (2)
0V or 5V
(1)WH/RD (2)RD
Test Point
Result
(1) To (2)
0V or 5V
- 50 -
Solution
Change the Display PCB
Solution
Change the Main PCB

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