LG 43UR8000PSA Service Manual page 77

Note 4. How to measure Power B/D Module
1. Check the 21.5V and 12V voltage of Power B/D and T-Con B/D connector
2. If the result comes out 'NG, replace Power B/D. If it comes out 'OK', check if Main B/D and Module operate normally.
Note. 4 / 4
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