LG F3000 - Power on Trouble

4. TROUBLESHOOTING
- 65 -
Figure 4-3
4.3 Power On Trouble
VABB
VMIC
VUSB
VVCXO
VRTC
VMEM
VCORE
VEXT
VSIM
D16
2V8_VMEM
BACK_BATT
(1608)
2V5_VMIC
VCORE2
VEXT1
A4
B4
VEXT2
T3
VMEM1
VMEM2
T2
VMIC
N16
T7
VRTC
VSIM
T6
E15
VUSB
VVCXO
H16
VABB
VAPP
F16
E16
VAPPGATE
T4
VBACK
VCORE1
P1
N1
VUSB
1uC121
2V8_VEXT
2V75_VABB
VBAT
2.2uC117
2V85_VSIM
1u
1V8_VRTC
C114
1V8_VCORE
1uC122
C116 1u
10KR100
1uC113
1uC123
1uC118
C115
2V75_VVCXO
0.1u
TEST POINT
CIRCUIT