LG NP5550B - Charging Battery

3-5
ONE POINT REPAIR GUIDE
4-3. Service hint (Any picture/ Remark)
< Main board top view >
4. NO CHARGING BATTERY
Battery is not charged.
4-1. Solution
Check and replace IC901 on main board.
4-2. How to troubleshoot (Countermeasure)
1) Check voltage of battery.
2) Check pin3 of IC901. (It should be 4.5 V ~ 5 V)
3) Check pin6 of IC901. (It should be 3.6 V ~ 4.3 V)
 It doesn’t work, replace IC901.
IC901
IC901