Lge Internal Use Only - LG -S367 Service Manual

CIRCUIT
RF SUPPLIES (CLEAN GND)
VDDTRX VDDRF2
PIN_B16 PIN_G15
TP TP1
C108 C109 C110
1u 18p 220n
ABB SUPPLIES
VDD1V8CP
VDD_IO_1V8
PIN P16
C100
0.1u
VDD_IO_1V8
L100 3.3u
TP11
C121 VBAT
VBAT
22u
C122 10u

LGE Internal Use Only

RF SUPPLIES (DIRTY GND)
VBAT_RF2 VBAT VDDXO
TP9
PIN_G16 PIN_E13
FB100
TP7
75
C111
C118
C119
4.7n
1u 470n
(10V)
VBATSP VBAT_PMU
Speaker Supply
VBAT
VBAT
PIN N10
PIN P18
C102
C101
0.1u
0.1u
(10V)
(10V)
VDDTDC VDDMS VRF1
PIN_B14 PIN_H15 PIN_H12
Seperate and shield
TP8 TP3
C112 C113 C114
47n 47n 1u
PMU SUPPLIES
VPMU_1V3 VAUX_2V85 VMMC_2V85 VUSB_3V1 VCORE_1V2
PIN P12 PIN P10 PIN L9 PIN M11
TP5 TP6 TP4
C103 C104 C105 C106
0.1u 470n 470n 0.1u
- 77 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
DBB SUPPLIES
VDD_IO_1V8 VDD_IO1 VDD_IO2
VDD_IO_1V8 VDD_IO_1V8
FB103
75
PIN G11 PIN K9
C115 C116
1u 0.1u
BACK UP Battery
VRTC
PIN L12
PIN K10
TP10
R101
C107
6.8K
220n
BAT100 C120
1u
470
R104
3
VBAT
R105 3.9K
1
Q100
EBK61572201
2
LSCR523EBFS8
R106
(1%)
R107
5.6K
Only for training and service purposes
VDD_EBU
VDD_IO_1V8
PIN F6,P6
C117
0.1u
100K
VUSB_LDO_4V9