LG CU920 - Page 165

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6. BLOCK DIAGRAM
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
PM6650
VRE
VRE
G_MSM
SM
P (
P (
2.8V/
.8V/
30
30
0m
0m
A)
A)
VREG_M
_M
SMC (1.25V/500
500
mA)
VRE
VRE
G_MSM
SM
A (2.6V/
.6V/
30
30
0m
0m
A)
A)
VRE
VRE
G_MSM
SM
E(1.8V/
E(1.8V/
500mA)
NAN D FLASH
NAN D FLASH
TR, Ot her
TR, Ot her
SDRAM
SDRAM
RTR6275
RTR6275
RFR6275
RFR6275
VR
VR
EG_MFL
FL
O(2.6V/
O(2.6V/
150m
50m
A)
A)
Bluetooth
Bluetooth
USIM
USIM
Receptacle
Receptacle
2M
CAMERA
2M
CAMERA
V
R
E
G
_
R
U
I
M
(
2
.
8
V
/
1
5
0
m
A
)
TCXO
TCXO
V
R
E
G
_
W
L
A
N
(
V
R
E
G
_
B
T
) (
2
.
8
5
V
/
1
5
0
m
A
)
VREG
_TCXO (2.8
(2.8
5V/ 50m
5V/ 50m
A)
A)
LCD
LCD
+VPWR
VDD
VDD
_MSM
VDD
VDD
_RF
RF
VDD
VDD
_MAIN
VDD
VDD
_SPKR
SPKR
VDD_WLAN
LAN
VDD
VDD
_PA
PA
VDD
VDD
_MSMC
VDD_MS
MS
ME
ME
VDD
VDD
_RUI
RUI
M
VDD
VDD
_ANA
PAM(W850
/W1900
W1900
)
PAM(W850
/ W1900
W1900
)
FEM
FEM
MSM6280
MSM6280
Charge Pu mp
Charge Pu mp
LCD Backlight
LCD Backlight
+VPWR
VCO
VCO
IN
- +
+5V_
+5V_
PWR
PWR
FET
Pass Tr
VCHG
VCHG
US
US
B_
B_
VBUS
BUS
Sense
resis tor
Sense
resis t
or
ISN
ISN
S_P
_P
ISN
ISN
S_M
_M
BAT_
T_
FET_N
T_N
US
US
B_
B_
VBUS
BUS
+VPWR
CHG_CT
CHG_CT
L_
L_
N
MCP
VREG
EG
_SYNTH
YNTH
(2.6V/50mA)
Pass Tr
VREG_R
_R
F_S
F_S
MPS(2
(2
.85V/150
150
mA)
PAM(GSM )
PAM(GSM )
V
R
E
G
_
C
A
M
_
A
C
T
(
2
.
8
V
1
5
0
m
A
)
+VPWR
RED : GPIO
TPA2005
TPA2005
LCD_BL_ CTRL
SPK_AMP_EN
VR
VR
EG_RFRX2
VR
VR
EG_PA
VR
VR
EG_SYNTH
+VPWR
Dua l LDO
Dua l LDO
TSC2007
TSC2007
+VPWR
RBR1000
RBR1000
Vbatt
TFLASH
TFLASH
V
R
E
G
_
T
F
L
A
S
H
(
3
.
0
V
/
1
5
0
m
A
)
Dua l LDO
Dua l LDO
VRE
VRE
G_C
_C
AM_2.8V
2.
2.
8V
8V
2.
2.
8V
8V
VRE
VRE
G_C
_C
AM_1.8V
Power Block Diagram