LG GD910 - Page 70

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. Trouble shooting
GD910 service manual
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Checking Point
CC
VCHG
R301 100K
2.2u
2V62_VIO
USB_VBUS
C304
47K
R302
47K
R303
2
D300
KDR331V
3
1
BATTERY
C301
1u
1u
11
8
GND
6
IMIN
7
IUSB
9
IVDC
PGND
13
USB_BYP
10
1
VDC
12
VDC_BYP
VUSB
2
4
_CHG
5
_EN
_PPR
3
C303
ISL9221
U300
BAT
C302
R304
18K
1u
C305
2.2u
VDD_CHARGE
18K
R305
100KR300
R306
8.2K
_CHG_EN
TA_DETECT
_PPR
_CHG_EOC
TP3
TP2
TP1