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CIRCUIT
RF SUPPLIES (CLEAN GND)
VDDTRX
VDDRF2
PIN_B14
PIN_G13
TP7
TP7
C127
C138
C137
1u
18p
220n
1V8_VDD
L102
3.3u
C136
22u
(6.3V)
VBAT
VBAT
C106
33u
(10V,L_ESR,2012)
N12
LCD_ID
M0
T11
BAT_TEMP
M1
R11
M2
C120
4.7n
N11
VDD_FMR
M10
FM_ANT
FMRIN
M11
FMRINX
T15
CP1
R15
CP2
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
RF SUPPLIES (DIRTY GND)
VBAT
VBAT_RF2
VDDXO
PIN_G14
PIN_E11
FB101
75
TP9
C124
C119
4.7n
470n
(10V)
PMU SUPPLIES
VBAT_PMU
VBAT
VPMU
VAUX
VMMC
PIN N8
PIN P10
PIN P8
PIN L7
TP2 TP5 TP6 TP4 TP1
C101
C112
C122
C118
2.2u
3.3n
470n
470n
(10V)
TP2
TP5
TX_RAMP
1V8_VDD
1V8_VDD
1V8_VDD
VPMU
VCORE
1V8_VDD
1V8_VDD
VDDMS
Figure 4.2 Power block of LG-A130
Figure 4.2 Power block of LG-A133
74/136
4. TROUBLE SHOOTING
1V8_VDD
VDDTDC
VDDMS
VRF1
R102
PIN_B12
PIN_H13
PIN_H10
Seperate and shield
TP10
TP8
TP10
TP9
C123
C121
C113
47n
47n
1u
ABB SUPPLIES
VDD1V8CP
VUSB
VCORE
1V8_VDD
PIN M9
PIN K8
PIN P14
C110
C135
0.1u
220n
C134
0.1u
C150
TP6
TP4
0.1u
VDDXO
VDDTDC
VBAT_RF2
VAUX
VMMC
VUSB
VDDRF2
VRF1
- 75 -
4. TROUBLE SHOOTING
DBB SUPPLIES
VDD_IO1
VDD_IO2
VDD_EBU
1V8_VDD
1V8_VDD
1V8_VDD
0
PIN G9
PIN K7
PIN R5
TP8
C131
C105
C125
0.1u
0.1u
0.1u
VBATSP
Speaker Supply
VBAT
PIN P16
C115
2.2u
(10V)
TP
VRTC
R106
470
R115
TP1
3.9K
Q101
3
2
R108
VBAT
1
100K
(1%)
R116
5.6K
K3
A_D0
K2
A_D1
L1
A_D2
M1
A_D3
N3
A_D4
M2
A_D5
N1
A_D6
P2
LGE Internal Use Only
LDO_OUT
AD00
AD01
AD02
AD03
AD04
AD05
AD06
TP3
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