Only For Training And Service Purposes - LG KM380t Service Manual

3. TECHNICAL BRIEF
Table 6. LDO Output Table of SM-Power
LDO Net name
SD1 VSD1_1V5
SD2 VSD2_1V8
VAUX VBT_2V9
VIO VIO_2V62
VSIM VSIM_2V9
VMME -
VAUDIO VAUDIO_2V5
VUSB VUSB_3V1
VRF1 VRF1_2V85
VRF2 VRF2_1V5
VRF3 VRF3_2V85
VPLL VPLL_1V5
VRTC VRTC_2V0
VVIB VVIB_2V8
VRF3_2V85 VRF3_2V85
L101 L102
47nH 47nH
C108
C109
22p 100p
C119
100p C120
0.1u
VRF2_1V5
VSD2_1V8
VSD1_1V5
C126
C127
0.1uF
C128
0.1uF
0.1uF
VBAT
H3
BAT_ID M0
J3
RF_TEMP M1
G4
TP105 M2
H4
M7
G3
M8
J4
LOAD M9
F4
M10
W3
TXHB TX2
V3
TXLB TX1
W2
GSM850_RXP
RX1
V1
GSM850_RXN
RX1X
U1
GSM900_RXP
RX2
T1
GSM900_RXN
RX2X
R3
PABIAS
R4
LGE Internal Use Only
Output Voltage Output Current
1.5V 700mA
1.8V 700mA
2.9V 400mA
2.62V 300mA
2.9V 150mA
2.9V 150mA
2.5V 620mA
3.1V 262mA
2.85V 200mA
1.5V 240mA
2.85V 470mA
1.5V 150mA
2.0V 20mA
2.8V 450mA
VRF3_2V85
VAUDIO_2V5
VBT_2V9
VRF1_2V85
VRF3_2V85
VRF3_2V85 L100
47nH VVIB_2V8
C100
2.2u
C111 C113 C114
C110
0.1u
10n 10n 0.1u C105
0.1u
C112
2.2u
Figure 6. LDOs Circuit Diagram of KM380t series
Usage
Core & for LDO
Memory
BT Power
Peripherals
SIM card
Not used
USB Switch
S-GOLDRadio PLL
RTC
VUSB_3V1
VBAT VRF2_1V5
C101
VPLL_1V5
1u
C102
1u
C107
C115
1u
1u 0.1uF C106
VIO_2V62 VRF1_2V85
VRF3_2V85 VBAT VSIM_2V9
C592 C121
C117 C122 VBAT
1u C123 C124
1u
1u 220n
1u
2.2u
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 32 -
KDR331V
VCHG_OVP
2
3
VBUS_OVP
1
D100
VRTC_2V0
VRTC_2V0
C118 0.1uF
C125
0.1u
R14 TP101
EBU_AD0
W18
EBU_AD1
V18
EBU_AD2
W17
EBU_AD3
T15
EBU_AD4
U14
EBU_AD5
V17
EBU_AD6
T14
EBU_AD7
R13
EBU_AD8
W16
EBU_AD9
V16
EBU_AD10
U12
EBU_AD11
W15
EBU_AD12
W14
EBU_AD13
V15

Only for training and service purposes

DATA(0:15)