Charging Trouble - LG MG295 Service Manual

4.5 Charging Trouble

TEST POINT
CN301
CIRCUIT
CHG_EN
R110
100K
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Only for training and service purposes
Figure 4.5
CHARGE
USB_VBUS VCHARGE
U102
1
CRDL
2
USB
6
IMIN
9
ICDL
7
USBON
5
_EN
R111 R112 R113
C139 C140
220K
1u 1u
33K 10K
(1%)
(1%)
- 53 -
4. TROUBLE SHOOTING
VBAT 2V8_VEXT
ISL6299
10
BAT
3
_PPR
4
_CHG
8
GND
11
PGND
C141
1u
C140
R108
R110
CHG_STAT
LGE Internal Use Only