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4.6 Charging Trouble
VBUS_USB
VBUS_LDO_4V9
C239
C240
(10V)
0.1u
1u
(25V)
TP2
LGE Internal Use Only
U201
Figure 4.6.1
CHARGER IC
TP1
U201
1
VIN
2
ISET
3
GND1
4
LDO
5
IEOC
EUSY0410801
RT9524
1%
Figure 4.6.2
- 56 -
TP2
TP1
VBAT
11
PGND
10
BATT
9
PGB
8
CHGSB
7
GND2
6
EN_SET
C241
1u
(10V)
Copyright © 01 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
CN203
VIO28
R254
100K
Only for training and service purposes
CHG_EOC
CHG_EN
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