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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CIRCUIT
0.1u
C127
1u
C102
L100
18nH
1V88_VMEM
VCORE
22p
C126
10u
C103
K19
VMEM_LDOFB
C1
VMEM1
A2
VMEM2
G1
VMEM3
L1
VMEM4
L18
VMEM_LDO1
L19
VMEM_LDO2
VC
ORE3
P1
AB2
VC
ORE4
VC
ORE5
AB9
AB18
VC
ORE6
VC
ORESW1
B9
B10
VC
ORESW2
B11
VC
ORESW3
VC
ORE1
A4
F1
VC
ORE2
J3
ADD3
H4
ADD4
K4
ADD0
J5
ADD1
J4
ADD2
1V88_VMEM
1V88_VMEM
C117
10u
L101
4.7uH
0.1u
C115 C116
22p
ADD01
ADD02
ADD03
ADD04
2V5_VABB
C113
1u
C129
0.1u
2V93_VEXT
HSMICBIAS
C130
2.2u
VVID2
VVID3
AB21
K18
VGP_LDO
N19
VBUS
VABB
D21
D20
VAPP
E19
VAPPGA
TE
DATA2
D2
DATA3
D3
DATA0
E2
E3
DATA1
C114
1u
C128
22p
DATA01
DATA02
DATA03
DATA00
TP3
TP1
TP
6
C109
1u
1u
C110
0.1u
C125
2V5_VMIC
1u
C108
1V5_VPLL
2V75_VCXO
2V93_VEXT
4.7K
R100
VBUS_USB
C124
0.1u
2V93_VEXT
1V8_VRTC
1u
C112
H22
VMIC
R22
VMMC
B6
VPLL
VPLL_LDO
D22
N22
VRT
C_LDO
L11
VSSRT
C
VUSBIN
F16
F17
VUSB_LDO
J12
VINT1
VINT2
U22
L14
VINT_LDO
VINT_LDOFB
L13
J10
VDDRT
C
VDDUSB
M14
1V82_VINT
C111
1u
1u
C107
VBACKUP
TP4
TP2
TP5
TP7