4. TROUBLE SHOOTING
Checking Flow
Indication LED only operates in trickle charging mode.
VBAT is 3.6~4.
Is LED working?
LED will work properly
START
2V
YES
YES
NO
Check the soldering of VBAT(R048/R406)
NO
Check the soldering of
Q400, Q101,LD400,
- 76 -