LG LAP340 - Power on

3-3
ONE POINT REPAIR GUIDE
2-3. Service hint (Any picture / Remark)
2. NO POWER ON
2-1. Solution
Replace IC100 on main board.
2-2. How to troubleshoot (Countermeasure)
1) Please Check 3.7 VA (yellow signal).
2) 3.7 VA abnormal condition Ö Check IC604 or SMPS parts.
3) 3.7 VA normal, 3.3 VA is abnormal conditions Ö Check IC100 working status.
< Main board top view >
IC604
IC100
3.7VA
3.3VA