LG GB220 - Page 74

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Figure 4.2 power block of GB220
(VDDIO1) (VDDIO2)
(VDDEBU)
(VRF1)
VBAT
0.1u
C146
VPMU
KD
R
3
VAUX
EDSY
0
D
1
C100 10u
470R102
R103
100K
VDDTDC
VBAT
0.1uC122 220nC147
1V81_VDD
C115 1u
0.1uC107
VBAT
2.2uC102
1V81_VDD
1V81_VDD
C106 0.1u C116 470n C103 2.2u
VBAT
470nC117
R104
5.6K
VDDRF2
C118 0.1u
VMMC
1V81_VDD
47nC111
C113 DNI
VRTC_2V0
1V81_VDD
VCORE
0
R136
KTC4075E
Q100
VDDMS
4.7K
R100
1V81_VDD
0.1uC104
C119 220n C112
47n
VDDXO
3.9KR101
VUSB
1V81_VDD
M9
VUSB
VSSDCO
E12
VSSLSR
P15
VSSMS
L14
VSSRF
C15
VSSRX
F13 F14
VSSTRX
F12
VSSXO
F8
VSS_CORE1
H9
VSS_CORE2
J9
VSS_CORE3
VSS_DIG
G12 F15
VSS_LO
T9
VSS_PMU
T7
VSS_SD1
VDDTDC
E11
VDDXO
R5
VDD_EBU
N11
VDD_FMR
VDD_SD1
P7
L7
VMMC
VPMU
P10
VRAMP
A13
H10
VRF1
L10
VRTC
K6
VSHNT
VBAT
VBATSP
P16
VBAT_PMU
N8
VCHG
T5
VCORE
K8 J10
VDD1V81
VDD1V8CP
P14 T4
VDDCHG
VDDCORE
G8
VDDIO1
G9 K7
VDDIO2
A12
VDDMMD
H13
VDDMS
VDDNEG
R16 G13
VDDRF2
B12
A15
TX1
P8
VAUX
G14
D16
RX12
C16
RX12X
RX34
F16
E16
T6
SD1_FB
SD1_SW
R7
SENSEN
L6 M6
SENSEP
N12
M0
T11
M1
M2
R11
FE2
A14
FMRIN
M10
FMRINX
M11
T15
CP1
R15
CP2
M7
CS
CSB
R6
A_D3
M1
N3
A_D4
A_D5
M2
N1
A_D6
P2
A_D7
K1
A_D8
L4
A_D9
A_D0
K3
K2
A_D1
A_D10
L2
L3
A_D11
A_D12
N2
P5
A_D2
L1
C121 1u
22uC101
3.3uHL100
C145
DNI
C105 0.1u
L102
VBACKUP
GSM_OUT
BATT_ID
LCD_ID
FM_ANT
A_D_02
A_D_03
A_D_04
A_D_05
A_D_06
A_D_07
A_D_08
A_D_09
A_D_10
A_D_11
A_D_12
BS2
RX12
RX12X
RX34
TX_RAMP
A_D_00
A_D_01