LG KG920 - Power on Trouble

4. TROUBLE SHOOTING
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4.3 Power On Trouble
TEST POINT
CIRCUIT
Figure 4-25.
C121
(2V5_VMIC)
C117
(2V8_VMEM)
C122
(2V75_VVCXO)
C119
(2V85_VSIM)
C126
(2V8_VEXT)
C120
(2V75_VABB)
C116
(1V8_VCORE)
U101
U100
Figure 4-26.
(1608)
1uC117
2V8_VEXT
BAT100
VUSB
1V8_VCORE
N16
VMIC
VRTC
T7
T6
VSIM
VUSB
E15
D16
VVCXO
P1
VCORE1
VCORE2
N1
A4
VEXT1
VEXT2
B4
VMEM1
T3
T2
VMEM2
VABB
H16
F16
VAPP
VAPPGATE
E16
VBACK
T4
C121 1u
2V75_VVCXO
2V5_VMIC
1uC126
1V8_VRTC
C119 1u
C118 0.1u
1u
C127
1u
VBAT
C116
R100 10K
2V8_VMEM
2V85_VSIM
C125
2.2uC120
1u
1uC122
2V75_VABB