4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
VT_1.8V_CAM_VIO
4.7u
C731
C746
1u
C748
1u
C750
1u
0
R768
C751
1u
C752
1u
C754
1u
C758
2.2u
C756
1u
FB707 120
VSEL_VMEM
VPMIC_VMMC
10u
C734
L707 0.47u
2.2u
C747
BAT701
2.2u
C768
C755
2.2u
2.2u
C753
R12
T12
R11
T11
R13
R10
T10
E1
0
A7
D7
K4
J1
3
G1
5
F1
5
R9
T9
T8
B1
0
B8
B5
B6
A6
A5
G4
M8
G7
GND_ANA_B7
GND_DIG_VI
O
GND_DIG_VRTC
CHRG_PGND_B
1
CHRG_PGND_B
2
CHRG_PGND_B
3
CHRG_PGND_B
4
VUSI
M
VAN
A
VAUX1
VAUX2
VAUX3
VCXI
O
VDAC
VMMC
VPP
VRTC
VUSB
VBACKU
P
VMEM_IN_B1
VMEM_IN_B2
VMEM_FDBK
VMEM_SW_B1
VMEM_SW_B2
VMEM_GND_B1
VMEM_GND_B2
VPMIC_VDAC
VPMIC_VUSB
VPMIC_VCXIO
TWL_LDO_3.2V
VPMIC_VAUX1
VPMIC_OMAP_VPP_CUST
VPMIC_VRTC
TOUCH_3.0V
BACKUP BATT
revA -> revB : Add 0 ohm
Located near TWL6030
0.1mm
rev1.0 -> rev1.1 : Change for CI, 2.2uF -> 1uF
C746,C748,C750,C751,C752,C754,C756
TP1:C750
VT_1.8V_VIO
TP1:C750
TP2:C1011
TP2:C1010