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4.6 Charging Trouble
TEST POINT
TP4
TP2
TP3
CIRCUIT
TP2
TP2
LDO_OUT
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
U209
TP1
VBUS_USB
TP1
TP1
1
2
3
4
5
EUSY0410801
R231
C255
R232
C256
1u
0.1u
2K
820
Figure 4.6.2
4. TROUBLE SHOOTING
CN200
Figure 4.6.1
TP3
11
TP
PGND
10
VIN
BATT
9
U209
ISET
PGB
8
GND1
CHGSB
7
LDO
GND2
6
IEOC
EN_SET
Figure 4.6.2
- 8 -
4. TROUBLE SHOOTING
VBAT
1V8_VDD
R226
100K
_EOC
TP4
CHG_EN
C252
1u
C261
0.1u
TP4
LGE Internal Use Only
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