LG CU920 Manual page 165

+VPWR
VCO VCOIN
- +
CHG_CT CHG_CTL_ L_N
VCHG VCHG
Pass Tr
USB_ US B_VBUS BUS
ISNS_P ISN _P
ISN ISNS_M _M
+VPWR
BAT_ T_FET_N T_N
Vbatt
FET Pass Tr
Receptacle
Receptacle
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VDD VDD_MSM VDD VDD_PA PA
VDD_RF VDD RF VDD VDD_MSMC
VDD_MAIN VDD VDD_MS MSME ME
VDD_SPKR VDD SPKR VDD_RUI VDD RUIM
VDD_WLAN LAN VDD_ANA VDD
VREG_MSM VRE SMP ( P (2.8V/ .8V/ 30
VREG_M _MSMC (1.25V/ 500
VREG_MSM VRE SMA (2.6V/ .6V/ 30
VREG_MSM VRE SME(1.8V/ E(1.8V/ 500mA)
VREG_SYNTH VR
VREG EG_SYNTH YNTH(2.6V/ 50mA)
VREG_MFL VR FLO(2.6V/ O(2.6V/ 150m
VR VREG_RFRX2
VREG_R _RF_S F_SMPS(2 (2.85V/ 150
VREG_PA VR
PM6650
+VPWR
VREG_TCXO (2.8 (2.8 5V/ 50m 5V/ 50m A) A)
Power Block Diagram
- 167 -
6. BLOCK DIAGRAM
300m 0mA) A)
500mA)
MSM6280
MSM6280
300m 0mA) A)
RTR6275
RTR6275
Dua l LDO
Dua l LDO
50mA) A)
RBR1000
RBR1000
150mA)
FEM
FEM
RFR6275
RFR6275
PAM(W850 +VPWR
PAM(W850
/ W1900 W1900)
/ W1900 W1900)
+VPWR
PAM(GSM )
PAM(GSM )
Bluetooth
Bluetooth
TCXO
TCXO
USIM
USIM
TFLASH
TFLASH
RED : GPIO
MCP
SDRAM
SDRAM
NAN D FLASH
NAN D FLASH
TR, Ot her
TR, Ot her
VREG_C VRE _CAM_2.8V
VREG_C VRE _CAM_1.8V
2M
2M
CAMERA
CAMERA
2. 2.8V 8V
LCD
LCD
Dua l LDO
Dua l LDO
2. 2.8V 8V
TSC2007
TSC2007
Charge Pu mp
LCD Backlight
Charge Pu mp
LCD Backlight
LCD_BL_ CTRL
SPK_AMP_EN
TPA2005
TPA2005
+VPWR
LGE Internal Use Only