LG -E445 Service Manual page 178

[LG-E445] Power Block Diagram
3. Power Block Diagram
VBAT_LDO2_1
VBAT_SPK1 VBAT_VIO18_1
VBAT_SPK2 VBAT_VIO18_2 VBAT_LDO2_2
VBAT_VCORE_1 VBAT_VPA_1 VBAT_LDO3_1
VBAT_VCORE_2 VBAT_VPA_2 VBAT_LDO3_2
VBAT_VPROC_1 VBAT_VRF_18 VBAT_LDO4
VBAT_VPROC_2 VBAT_MISC VBAT_LDO5_1
VBAT_VPROC_3 VBAT_LDO5_2
VBAT_VPROC_4
VBAT
+2V8_VRTC_MTK
5pin u-USB
VCHG_LDO_4V9
Connector
Charger IC
RT9536
+3V0_VIBR_MTK
Vibrator
VBAT
FGN_IC
VBATT
Battery
1650mAh BATT_TEMP_ADC
VTREF
BATT_ID
BATT_ID_PULLUP
+2V8_VTCXO_MTK
TCXO
MT6162
26Mhz
SIM
+3V0_VSIM_MTK
LGE Internal Use Only
+1V8_VIO_MTK
VIO18
+2V8_VIO_MTK
(100mA) VIO28
+3V0_VSIM_MTK
(100mA) VSIM
+3V0_VSIM2_MTK
(100mA) VSIM2
+3V3_USB_MTK
(100mA) VUSB
+1V2_VLPDDR2_MTK
(300mA) VM12
+2V8_VTCXO_MTK
(40mA) VTCXO
+2V8_VRTC_MTK
VBAT (2mA) VRTC
+3V0_MICRO_IO
(200mA) VGP
+1V2_VM12_INT_MTK
(360mA) VM12_INT
VRTC
+1V2_CORE_MTK
VCORE
(2mA)
+1V35_PROC_MTK
VPROC
+2V5_AVDD1_MTK
VCDT
(100mA) VA1
CHR_LDO +2V5_AVDD2_MTK
(100mA) VA2
+3V3_eMMC_MTK
(200mA) VMC
VBAT
VBAT +1V8_VRF_MTK
VRF18
+2V85_VRF_MTK
(200mA) VRF28
+3V0_MICRO_SD
(400mA ) VMCH
+1V8_LCD_VIO_MTK
VIBR
(100mA) VCAM_IO
(100mA)
+2V8_LCD_VCI_MTK
(300mA) VCAMD
+3V_TOUCH_MTK
(100mA) VGP2
+3V0_SENSORS_MTK
(200mA) VCAM_AF
CS+
CS-
ISENSE
BATSNS
BATON
VBAT
VTCXO ( 40mA)
MT6329
VSIM(100mA)
MT6575
w/ VAPROC_FB
MT6162
Micro SD
TOUCH (IST-3032)
1. Active : Typ.TBDmA
2. IDLE (No Touch) : Typ. TBDmA
3. Sleep : TBDuA
Audio Sub System
(TPA2058D3)
1. Sleep : Max. TBDuA
2. Speaker Operation : Typ.
TBDmA (No Voice Source)
3. Headset Operation : Typ.
TBDmA (No Voice Source)
BT / Wi-Fi / GPS / FM (MT6620)
1. WLAN Off : Typ. TBDuA
2. WLAN On : Typ. TBDuA 3. BT, FM On : TBDuA
3. Headset BT Call (SCO HV3 Master) : Typ. TBDmA
4. FM Operating : TBDmA
5. WLAN RX (ACTIVE) : Typ.TBDmA , TX CCK (21dBm) : TBDmA
6. GPS on : TBDmA
+2V8_CAM_AVDD
+1V2_CAM_DVDD
LDO
+1V8_CAM_VIO
- 178 - Copyright © 2013 LG Electronics. Inc. All right reserved.
6. BLOCK DIAGRAM
MIC
VMIC
3.5Phi
EARMIC_BIAS
Ear Jack
MCP (4GB NAND+4Gb LPDDR2)
H9TP32A4GDBCPR-KDM
1.Operating Current
+0V6_VREF
(1) Sequential Read : Typ. TBD
(2) Program : Max. TBD
(3) Erase : Typ. TBD
2. Standby Current : Max. TBD
VBAT
LCD B/L Booster +
Camera Flash IC
LM3639
LEDA / LED_C1
LCD
1.Normal : Typ. TBDmW
(No backlight is driven)
2. Sleep : TBDmW
ACCELERATION
COMPASS
BMC-150
1. Operating , Idle
: Typ.TBDuA
2. Sleep : Typ. TBDuA
Proximity Sensor
(APDS-9190)
1. Operating : typ.TBDuA
2. Idle, Sleep : Typ. TBDuA
+2V8_TCXO_LDO
GPS LNA
1. Idle, Sleep : TBDuA
TCXO
26Mhz
3M MIPI CAM
1.Operating : TBDmA
2. HW Standby : TBDuW
Only for training and service purposes