Only For Training And Service Purposes - LG GM310 Service Manual

3. BB Circuit Technical brief
[Table 3.3.1-1] LDO Output Table of SM-Power3
LDO Net name
SD1 1V35_Core
SD2 1V8_SD
VAUX 2V85_VFM
VIO 2V62_VIO
VSIM 2V9_SIM
VMME 2V9_VMME
VUMTS 2V85_VCD
VAUDIOa 2V5_VAUDA
VAUDIOb 2V5_VAUDB
VRF1 2V85_VRF
VRF2 1V5_VRF
VRF3 2V855_VBT
VPLL 1V35_VPLL
VRTC 2V11_RTC
VAFC 2V7_VRF
VVIB 2V8_VAMP
P M C I
R 2 0 7
R T C _ O U T O N _ O F F 2
2 7 K
R 2 0 9
D I N
U S B _ O E n
U S B _ D A T _ V P
U S B _ S E 0 _ V M
V B A T
1 V 8 _ S D 2 V 5 _ V A U D B V B A T
2 V 5 _ V A U D A 2 V 8 5 _ V F M
B 1
R
C 2
V
D 3
V
C 1
U S B _ F S _ D P D
D 2
U S B _ F S _ D M - D
P M R S T n
E 3
P M R S T n R
F B 2 0 1
D 1
R
E 2
P M _ V C X O _ E N S
1 6 0 8
E 1
B T _ V C X O _ E N S
F 2
V
F 1
V
G 2
V
G 1
V
H 2
V
H 1
V
C 2 1 3 C 2 1 4 C 2 1 5 D 2 0 3
1 J
2 2 . u 2 2 . u 1 u L 2 0 2 S
2 J
S
R B 5 2 1 S 3 - 0 1 0 u H H 3
S
3 J
S
K 1
V
K 2
S
L 2
S
C 2 2 1
0 1 . u C 2 1 8
C 2 2 2 C 2 2 3 C 2 2 4 C 2 2 5
1 0 u 1 0 u 4 7 . u 2 2 . u 0 1 . u
1 6 0 8 1 6 0 8 1 6 0 8
1 6 0 8 1 6 0 8
LGE Internal Use Only
Output Voltage
1.35V
1.8V
2.85V
2.62V
2.9V
2.9V
2.85V
2.5V
2.5V
2.85V
1,53V
2.7V
1.35V
2.11V
2.65V
2.8V
V U S B
V B A T V B A T 1 V 3 5 _ V P L L
V B A T
C 2 0 1
2 V 6 2 _ V O I
2 2 . u
1 6 0 8
1 6 0 8
C 2 0 3
0 1 . u
R 2 1 4
1 0 0 K
1 %
1 6 0 8
C V
P N I
M N I
+
E S E T _ N
E S E T 2 _ N
L E E P 1 _ N
L E E P 2 _ N
A U D O I A
D D A U D O I A
U 2 0
P M B 6
D D A U D O I B
A U D O I B
A U X
D D A U X
U 1 _ G A T E
U 1 _ G N D
U 1 _ F B
U 1 _ S I E N S E
D D S D 2
D 2 _ F B
D 2 _ F B L
[Figure3.3.1-1] SM-Power 3 Circuit Diagram
GM310f service manual
Output Current Usage
600mA Core & for LDO
300mA Memory
100mA SUB PMIC
100mA Peripherals
70mA SIM card
150mA u-SD
110mA LCD
200mA Stereo headset, Mono earpiece
50mA Analog parts of S-Gold
2.85 V supply for SMARTi-PM
150mA
RF transceiver
1.5 V supply for SMARTi-PM
100mA
RF transceiver
150mA Bluetooth
30mA S-GOLD3H PLL
4mA Real Time Clock
5mA Not used
140mA Not used
2 V 6 2 _ V O I
K D
R 2 0 2
4 7 . K
V B A T
R 2 0 3
3
C 2 0 4
4 7 . K
1 u
D
V B A T
C 2 0 5
3 3 u
C 2 1 1 0 1 . u
L 2 0 1
1 0 u H
C 1
V M M E
C 1
V D D M M E
D 1
V D D R F 2
D 1
V R F 2
E 1
V R F 3
E 1
V D D R F 1 3 _ A F C
F 1
V R F 1
F 1
V V B I
1
G 1
V D D I S M V B I
8 2 1
G 1
V I S M
H 1
V A F C
H 1
V R T C
H 9
V D D U M T S
1 J
V U M T S
K 1
V D D S D 1
1 J
S D 1 _ F B
L 1
S D 1 _ F B L
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R 3 3 1 V
O V P _ V C H G
2
R 2 0 6
O V P _ V U S B
1
4 7 K
2 0 1
T A _ D E T E C T
R 2 1 0
4 7 K
1 V 3 5 _ C O R E 2 V 7 _ V R F 2 V 8 5 _ V R F
V B A T 2 V 8 5 _ V L C D 2 V 1 1 _ R T C 2 V 9 _ V I S M 2 V 8 5 _
1
0
0
1
0
1
0
1
1
0
1
0
F B 2 0 2
1
F B 2 0 3
1
0
0
1 6 0 8
C 2 1 9 C 2 3 1 C 2 3 3 C 2 3 4 C 2 3 5 C 2 3 6
4 7 . u 1 u 1 u 2 2 . u 2 2 . u 2 2 . u
1 6 0 8

Only for training and service purposes

1 V 5 _ V R F 2 V 9 _ V M M E
V B T 1 V 8 _ S D
C 2 3 7 C 2 3 8 C 2 3 9 C 2 4 0
2 2 . u 2 2 . u 2 2 . u 2 2 . u