LG S62T1-C Service Manual page 80

1. NO POWER PROBLEM
No power problem occurs when you power on the unit.
1-2. VFD, 14 VA, 6 VA, 3.8 VA
1-2-1. Solution
Replace D918, D953, D952, D951, D950, IC902
1-2-2. How to troubleshoot (Countermeasure)
Case 1) FLD abnormal: Check D950, D951, ZD950, ZD951, FR950 and replace it.
Case 2) 6 VA abnormal: Check D952 and replace it.
Case 3) 14 VA abnormal: Check D953 and replace it.
Case 4) 3.8 VA abnormal: Check D918 and replace it.
Case 5) All Voltage abnormal: Check IC902 and replace it.
1-2-3. Service hint (Any picture / Remark)
CASE 5 CASE 5 CASE 5
CASE 4 CASE 4 CASE 4
CASE 1 CASE 1 CASE 1
CASE 3 CASE 3 CASE 3
CASE 2 CASE 2 CASE 2
CASE 1 CASE 1 CASE 1
ONE POINT REPAIR GUIDE
No Power
D911 is Defective
CASE 5 CASE5 CASE5
< SMPS board top view >
FLD No Power
Vkk No Power
D950 is Defective
CASE 1 CASE 1 CASE 1
D951 is Defective
6.3 VA No Power
CASE 2 CASE 2 CASE 2
CASE 4 CASE 4 CASE 3
CASE 4 CASE 4 CASE 4
2-67
D952 is Defective
13 VA No Power
D953 is Defective
V
ZD95