LG NP7550 - Charging Battery

3-5
ONE POINT REPAIR GUIDE
4-1-3. Service hint (Any picture/ Remark)
< Main board top view >
4. NO CHARGING BATTERY
Battery is not charged.
4-1-1. Solution
Check and replace IC906 on main board.
4-1-2. How to troubleshoot (Countermeasure)
1) Check both end voltage of R931. (It should be 22 ~ 25 mV.)
2) Check pin2 and pin3 of IC906. (It should be 9.6 V.)
3) Check pin2 of IC906. (It should be 3.3 V.)
4) It doesn’t work, replace IC906.
IC906
IC906