LG S65T1-S Service Manual page 43

No power problem occurs when you power on the unit.
1-2. VFD, 14 VA, 5.5 VA
1-2-1. Solution
Replace D922, D923, D924, D925, D926, D927, IC901.
1-2-2. How to troubleshoot (Countermeasure)
Case 1) FLD abnormal: Check D950, D951, ZD951, ZD952, FR950 and replace it.
Case 2) 5.5 VA abnormal: Check D952, D953 and replace it.
Case 3) 14 VA abnormal: Check D955, D956 and replace it.
Case 4) All voltage abnormal: Check IC901 and replace it.
Case 4 Case 4
1-2-3. Service hint (Any picture / Remark)
Case 4 Case 4
< SMPS board top view >
ONE POINT REPAIR GUIDE
2-28
Case 1 Case 1
Case 2 Case 2
Case 3 Case 3
Case 2 Case 2
Case 3 Case 3
< SMPS board bottom view >
Case 1 Case 1