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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
GM310f service manual
[Table 3.3.1-1] LDO Output Table of SM-Power3
LDO
Net name
Output Voltage
Output Current
Usage
SD1
1V35_Core
1.35V
600mA
Core & for LDO
SD2 1V8_SD 1.8V
300mA
Memory
VAUX
2V85_VFM
2.85V
100mA
SUB PMIC
VIO
2V62_VIO
2.62V
100mA
Peripherals
VSIM
2V9_SIM
2.9V
70mA
SIM card
VMME
2V9_VMME 2.9V
150mA
u-SD
VUMTS 2V85_VCD 2.85V
110mA
LCD
VAUDIOa
2V5_VAUDA
2.5V
200mA
Stereo headset, Mono earpiece
VAUDIOb
2V5_VAUDB
2.5V
50mA
Analog parts of S-Gold
VRF1 2V85_VRF
2.85V
150mA
2.85 V supply for SMARTi-PM
RF transceiver
VRF2 1V5_VRF 1,53V
100mA
1.5 V supply for SMARTi-PM
RF transceiver
VRF3 2V855_VBT
2.7V
150mA
Bluetooth
VPLL 1V35_VPLL
1.35V
30mA
S-GOLD3H
PLL
VRTC 2V11_RTC
2.11V
4mA
Real
Time
Clock
VAFC 2V7_VRF 2.65V
5mA
Not
used
VVIB 2V8_VAMP
2.8V
140mA
Not
used
[Figure3.3.1-1] SM-Power 3 Circuit Diagram
8
0
6
1
8
0
6
1
C
I
M
P
8
0
6
1
%
1
8
0
6
1
1608
8
0
6
1
8
0
6
1
8
0
6
1
1608
8
0
6
1
8
0
6
1
1608
8
0
6
1
8
0
6
1
1608
1608
1608
R213
4.7K
2.2u
C228
7
3
2
C
u
2
.
2
T
A
B
V
TP204
6
3
2
C
u
2
.
2
u
2
.
2
3
1
2
C
T
A
B
V
RB521S-30
D202
TP206
9
3
2
C
u
2
.
2
C
T
R
_
1
1
V
2
C229
1
2
2
C
u
1
.
0
4.7u
2
0
2
B
F
K
7
.
4
2
0
2
R
2
0
2
L
H
u
0
1
u
0
1
T
A
B
V
4.7K
R211
3
2
2
C
9
0
2
R
I
N
D
TP203
5
3
2
C
u
2
.
2
8
1
2
C
u
7
.
4
D
S
_
8
V
1
A
D
U
A
V
_
5
V
2
TP202
C208
2.2u
1
0
2
B
F
K
7
2
7
0
2
R
1
0
2
L
H
u
0
1
u
7
.
4
9
1
2
C
3
0
2
D
0
3
-
S
1
2
5
B
R
E
R
O
C
_
5
3
V
1
C202
T
B
V
_
5
8
V
2
2.2u
0
1
2
R
K
7
4
4
0
2
C
u
1
T
A
B
V
2.2u
C209
3
0
2
C
u
1
.
0
C210
C220
10u
0.1u
6
0
2
R
K
7
4
0
4
2
C
u
2
.
2
T
A
B
V
R212
4.7K
M
F
V
_
5
8
V
2
O
I
V
_
2
6
V
2
C226
2.2u
TP205
F
R
V
_
5
V
1
u
3
3
5
0
2
C
1
0
2
C
L
L
P
V
_
5
3
V
1
u
2
.
2
C207
u
1
T
A
B
V
1u
4
1
2
C
u
2
.
2
1
3
2
C
3
3
2
C
u
1
100K
R215
C216
10u
B
D
U
A
V
_
5
V
2
M
I
S
V
_
9
V
2
10u
F
R
V
_
5
8
V
2
D
C
L
V
_
5
8
V
2
C217
C230
4.7u
C212
1u
u
2
.
2
O
I
V
_
2
6
V
2
8
3
2
C
4
3
2
C
T
A
B
V
u
2
.
2
K
7
.
4
3
0
2
R
u
1
.
0
1
1
2
C
n
T
S
R
M
P
B
S
U
V
2
2
2
C
u
0
1
3
0
2
B
F
D
S
_
8
V
1
VSS30
VSS4
D6
D7
VSS5
VSS6
D8
VSS7
E4
VSS8
E5
E6
VSS9
C7
VSS_MONO
VSS_SD1
H8
H4
VSS_SD2
D9
VSS_VREF
1
1
J
S
T
M
U
V
A4
VUSB
B
I
V
V
1
1
F
WDOG
L3
F6
F7
VSS17
VSS18
F8
F9
VSS19
D4
VSS2
VSS20
G3
G4
VSS21
VSS22
G5
VSS23
G6
G7
VSS24
VSS25
G8
G9
VSS26
VSS27
H5
H6
VSS28
VSS29
H7
D5
VSS3
J6
C8
VREFEX_M
A5
0
1
F
1
F
R
V
2
F
R
V
1
1
D
3
F
R
V
0
1
E
C
T
R
V
0
1
H
VSD1
L11
VSD2
L1
M
I
S
V
0
1
G
C6
VSS1
VSS10
E7
E8
VSS11
VSS12
E9
F3
VSS13
VSS14
F4
F5
VSS15
VSS16
1
1
E
0
1
D
2
F
R
D
D
V
1
D
S
D
D
V
1
1
K
2
D
S
D
D
V
1
K
1
1
G
B
I
V
M
I
S
D
D
V
S
T
M
U
D
D
V
9
H
VDD_CHARGE
K9
B7
VDD_MONO
VDD_REF
J9
B5
VDD_USB
A11
VIO
A8
VLED
N
I
M
V
3
D
1
1
C
E
M
M
V
2
C
N
I
P
V
VPLL
A10
VREF
1
E
3
H
B
F
_
1
U
S
1
J
E
T
A
G
_
1
U
S
D
N
G
_
1
U
S
2
J
E
S
N
E
S
I
_
1
U
S
3
J
A3
SUSPEND
TXONPA
B10
1
1
H
C
F
A
V
2
F
A
O
I
D
U
A
V
B
O
I
D
U
A
V
1
G
2
H
X
U
A
V
A
O
I
D
U
A
D
D
V
1
F
2
G
B
O
I
D
U
A
D
D
V
X
U
A
D
D
V
1
H
E
M
M
D
D
V
0
1
C
B9
VDDPLLIO
C
F
A
_
3
1
F
R
D
D
V
PUMS1
PUMS2
B4
B11
PUMS3
V
C
R
1
B
N
_
2
T
E
S
E
R
1
D
3
E
N
_
T
E
S
E
R
RESOURCE_CRTL
J5
B8
RREF
0
1
J
B
F
_
1
D
S
L
B
F
_
1
D
S
0
1
L
B
F
_
2
D
S
2
K
L
B
F
_
2
D
S
2
L
B2
SE0_VM
SENSE_IN1
L9
K10
SENSE_IN2
2
E
N
_
1
P
E
E
L
S
N
_
2
P
E
E
L
S
A2
C9
FLASH_ON
FLASH_SHINK
A9
J7
I2C_CLK
I2C_DAT
K6
K5
I2C_INT
MONO_INN
C5
MONO_INP
B6
MONO_OUTN
A6
MONO_OUTP
A7
OE_N
C4
K4
ON_OFF1
L4
ON_OFF2
L5
ON_OFF_OUT
OUTPORT
J4
K3
POWER_ON
A1
1
2
8
6
B
M
P
1
0
2
U
B3
AC+
AC-
C3
L6
BL1_PWM
BL2_PWM
K7
J8
BL3_PWM
CHARGE_UC
L8
CH_CNTRL
L7
K8
CH_SOURCE
1
C
+
D
-
D
2
D
DAT_VP
u
2
.
2
5
2
2
C
u
1
.
0
4
2
2
C
5
1
2
C
u
1
4
1
2
R
K
0
0
1
T
A
B
V
E
M
M
V
_
9
V
2
1
0
2
D
V
1
3
3
R
D
K
3
1
2
F
R
V
_
7
V
2
C227
4.7u
BL1
BL2
BL3
PWRON
G
H
C
V
_
P
V
O
T
C
E
T
E
D
_
A
T
WDOG
SDA_PMIC
B
S
U
V
_
P
V
O
MAIN_KEY_LED
MAIN_KEY_EN
2
F
F
O
_
N
O
T
U
O
_
C
T
R
n
T
S
R
M
P
P
V
_
T
A
D
_
B
S
U
M
V
_
0
E
S
_
B
S
U
P
D
_
S
F
_
B
S
U
M
D
_
S
F
_
B
S
U
SCL_PMIC
SPOWER_INT
n
E
O
_
B
S
U
ON_OFF2
RESOURCE_CTRL
N
E
_
O
X
C
V
_
M
P
N
E
_
O
X
C
V
_
T
B
Содержание GM310
Страница 1: ...Service Manual Model GM310 Internal Use Only Service Manual GM310 Date April 2009 Issue 1 0 ...
Страница 141: ... 142 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
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