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AK8
JTMS
AM6
JTDI
AJ9
JTCK
AL7
JTRST_B
AP6
JRTCK
AL5
JTDO
N1
VCORE1
R5
VCORE1_FB
D22
VTCXO
B22
VRF
A21
VA
B20
VM
C19
VIBRATOR
B18
VIO
C21
VCAMA
C17
VCAMD
D16
VUSB
A17
VSIM
B16
VSIM2
B14
VREF
A13
BAT_BACKUP
C148
0.1u
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TMS
TDI
TCK
TRST
VCORE_PMU VTCXO
RTCK
TDO
L101
2.2u
C149
C136
1u
10u
TP1
TP2 TP TP4
Figure 4.4.4 Power Block of LG-A155
- 65 -
4. TROUBLE SHOOTING
VRF
VA
VM
VIO VCAMA
C137
C138
C139
C140
C142
1u
1u
1u
1u
4.7u
TP5
TP6 TP7 TP8 TP9 TP10 TP11
VCAMD VUSB
VSIM1
VSIM2
C143
C144
C145
C146
C147
1u
1u
1u
1u
1u
LGE Internal Use Only
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