LG KG290 - Charging Trouble

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Only for training and service purposes
4. TROUBLE SHOOTING
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4.5 Charging Trouble
Figure 12
CN301
U102
CHARGE(TA+USB)
10K
R116
PGND
11
2
USB
USBON
7
4
_CHG
_EN
5
_PPR
3
ISL6299U102
BAT
10
CRDL
1
8
GND
ICDL
9
6
IMIN
33K
R115
USB_VBUS VBATVCHARGE
10K
R113
100K R114
1u
C137
2V8_VEXT
1u
C139C138
1u
R112
10K
100K
R117
_CHG_EN
_CHG_STAT
TEST POINT
CIRCUIT