LG GD910 Service Manual page 70

TP1
USB_VBUS
2V62_VIO
_PPR
_CHG_EOC
_CHG_EN
C304
2.2u
Checking Point
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Only for training and service purposes
TP1
VCHG U300
13
PGND
1
VDC
12
VDC_BYP
2
VUSB
11
BAT
3
_PPR
10
USB_BYP
4
_CHG
9
IVDC
5
_EN
8
GND
6
C305
IMIN
7
2.2u
IUSB
ISL9221
R306
8.2K
GD910 service manual
TP2
TP2
BATTERY
C301 C302 C303
1u 1u 1u
R305 R304
18K 18K
C
- 71 -
5. Trouble shooting
TP3
TP3
VDD_CHARGE
D300
1
3
2
KDR331V
R302
47K
TA_DETECT
R303
47K
C
LGE Internal Use Only