LG -E405 Service Manual page 116

LGE405 Power Block Diagram
VDD_S1 VDD_L1_L2
VDD_S2 VDD_L3_L4_L5_L6
VDD_S3 VDD_L8_L9_L10_L11
VDD_S4 VDD_L12_L13_L14_L15_
VDD_NCP_L7 L16
VDD_SMPS VDD_L17_L18_L19
5pin u-USB
Connector
VBAT
VBUS
Battery
1500mAh
MINI ABB(LP8727-B)
VREG_TCXO_2.85V
TCXO
19.2Mhz
LGE405 Power Block Diagram
LGE Internal Use Only
VSW_S1
VSW_S2
VSW_S3
VREG_L3
VREG_L7
VREG_L2
VREG_L4
VREG_L9
VREG_L14
VREG_L12
PM8029
VREG_S4
VRG_L18
VREG_L19
VREG_L17
VREG_L11
VREG_L6
VREG_L5
VREG_L15
VREG_USIM1_2.85V
VREG_L16
VCOIN
VCOIN VREG_L13
VIB_DRV_N
VREG_L8
VREG_L1
VREG_L10
Backlight
charge pump
VREG_MSMC1_1.1V
VREG_MSMC2_1.1V
VREG_MSME_1.8V
VREG_MSMA2_1.2V
VREG_MSMA1_2.6V
VREG_PADAC_2.05V
VREG_PLL_1.1V
VREG_USB_1.8V
VREG_USB_3.3V
VREG_P3_2.85V
VBAT
WCDMA/GSM PAM
VREG_SMPS_2.1V
VREG_RF_2.7V
+1V2_MSM_A2_WCN
+3V_WLAN_WCN
+1V8_WLAN_TCXO
+ 1V2_WLAN_WCN
+1V3_MSM_A3_WCN
VREG_USIM2_2.85V
USIM2
USIM1
VREG_SDCARD_2.85V
Micro SD
VIB_DRV_N
Audio block
VREG_TOUCH_3.0V
VREG_LCD_2.8V
MLED[1:5]
CAM_AVDD_2.8V
CAM_DVDD_1.2V
3M CAM
CAM_IOVDD_1.8V
VREG_PROX_2.8V
PROXIMITY
- 116 - Copyright © 2012 LG Electronics. Inc. All right reserved.
6. BLOCK DIAGRAM
MIC_BIAS
MSM7225A
MCP
2GB eMMC
3Gb RAM
RTR6285A
GPS LNA
WCN1314 : WiFi
WCN2243 : BT/FM
MOTION Sensor
+
COMPASS Sensor
VBAT
MOTOR
TOUCH IC
Only for training and service purposes
MIC
LCD