Power On Trouble - LG S5000 Service Manual

4.4 Power On Trouble

Test Points
C117
(1V8_VCORE)
CIRCUIT
VCORE1
VCORE2
VMEM1
VMEM2
VRTC
VABB
VVCXO
NC_E15
VEXT1
VEXT2
VBAT_NET
NC_E16
NC_F16
C119
(1V8_VRTC)
(2V8_VM EM)
Figure 4-11
P1
N1
T3
T2
T7
T6
VSIM
H16
N16
VMIC
D16
E15
A4
B4
T4
VBAT
E16
F16
4. TROUBLE SHOOTING
C118
R102
10K
C116
1u
C117 4.7u
C118 4.7u
C119
1u
C120
1u
C121 2.2u
C122 1u
C125
1u
C126 4.7u
- 63 -
C125
(2V75_VVCXO )
C122
(2V5_VMIC)
C120
(2V85_VSIM )
BACK_BATT