Battery Voltage Monitor - LG GD910 Service Manual

3. BB Circuit Technical brief

3.9 Battery voltage monitor

S-Gold3H is monitor battery capacity with ADC port.
LGE Internal Use Only
VBAT
RF_TEMP
R100
390K
R101
100K
PA_LEVEL
2G_IP
2G_IN
2G_QP
2G_QN
[Figure3.9-1] Battery voltage monitor circuit diagram
GD910 service manual
E3
M0
D2
M1
D3
M2
C1
M3
C2
M4
C4
M5
B4
M6
C5
M7
B5
M8
B6
M9
C6
M10
N6
PAOUT1
L5
BB_I
L6
BB_IX
M5
BB_Q
M6
BB_QX
AC20
- 42 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes