Power On Trouble - LG KG245 Service Manual

4. TROUBLE SHOOTING

4.4 Power On Trouble

TEST POINT
C113
(1V8_VCORE )
C114
(2V8_VMEM)
CIRCUIT
C116
(2V85_VSIM)
Figure 4-11(a). Power On Trouble
P1
VCORE1
N1
VCORE2
T3
VMEM1
T2
VMEM2
T7
VRTC
T6
VSIM
H16
VABB
N16
VMIC
D16
VVCXO
E15
NC_E15
A4
VEXT1
B4
VEXT2
T4
VBAT_NET
E16
NC_E16
F16
NC_F16
Figure 4-11(b). Power On Trouble
C115
(1V8_VRTC)
R102 1K
C113 1u
C114 1u
C115 0.1u
C116 1u
C117 2.2u
(1608)
C118 1u
C119 1u
C122 1u
- 62 -
C119
(2V75_VVCXO)
C118
(2V5_VMIC)
BACK_BATT