Power On Trouble - LG KG225 Service Manual

4.4 Power On Trouble

TEST POINT
C115
(2V75_VVCXO)
C110
(2V8_VEXT)
C113
(1V8_VCORE)
C116
(2V85_VSIM)
CIRCUIT
VEXT01
VMEM
VABB
VCORE
VMIC
VVCXO
VSIM
DATA0
DATA1
C112
(2V75_VABB)
U101
Figure 11
2V8_VMEM 1V8_VCORE
2V8_VEXT 2V75_VABB
C11
R13
G17
U11
P16
F16
R14
A11
DATA00
D9
DATA01
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4. TROUBLE SHOOTING
C114
(2V5_VMIC)
2V75_VVCXO
2V5_VMIC 2V85_VSIM
C110 1u
C111 1u
C112 1u
C113 1u
C114 1u
C115 1u
C116 1u
C111
(2V8_VMEM)