Power Block Diagram - LG CU405 Service Manual

3. TECHNICAL BRIEF

3.7 Power Block Diagram

+VPWR
VCOIN
- +
CHG_CTL_N
VCHG
Pass Tr
USB_VBU S
ISNS_P
ISNS_M
+VPWR
BAT_FET_N
FET Pass Tr
Receptacle
Receptacle
VDD_MSM VDD_PA
VDD_RF VDD_MSMC
VDD_MAIN VDD_MSME
VDD_SPKR VDD_RUIM
VDD_WLAN VDD_ANA
VREG_MSMP (2.6V/300mA)
VREG_MSMC (1.25V/500mA)
VREG_MSMA
(2.6V/300mA)
VREG_MSME(1.8V/500mA)
VREG_RFTX
Pin73-VREG_RFTX
(2.6V/150mA)
VREG_SYNTH(2.6V/50mA)
Pin81-VREG_SYNTH
VREG_RFRX1 (2.6V/150mA)
Pin67-VREG_RFRX2
VREG_RF_2.85V(2.85V/150mA)
Pin69-VREG_RFRX1
PM6650-2
FET
+VPWR
VREG_TCXO (2.85V/ 50mA)
- 20 -
MSM6280
MSM6280
RTR6275
RTR6275
VREG_MSMP_2.6V
(2.6V/300mA)
FEM
FEM
RFR6275
RFR6275
PAM(W850
PAM(W850
VREG_W_PA
/W1900)
/W1900)
+VPWR
PAM(GSM)
PAM(GSM)
Bluetooth
Bluetooth
TCXO
TCXO
USIM
USIM
MCP
SDRAM
SDRAM
NAND FLASH
NAND FLASH
TR, Other
TR, Other
IOVDD
0.3M
0.3M
CAMERA
CAMERA
AVDD
VREG_MSMP_2.6V
LCD
LCD
Charge Pump
Charge Pump
LCD Backlight
LCD Backlight
BACKLIGHT_CTRL
SPK_AMP_EN
TPA2005
TPA2005
+VPWR