3. TECHNICAL BRIEF
- 34 -
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
غ
Gelato
Block Diagram : Power
VDD_ANA
VDD_C1_E
VDD C2 PA
VDD_RF1
VDD_RF2
VDD RUIM
VREG_MSMC1_1.25V
VREG MSMC2 1 25V
(500mA)
VSW_MSMC1
MIC
MIC_BIAS
(1 8V t 1 A)
VBAT
VDD_C2_PA
VDD_GP2
VDD_GP6
VDD_MSMP
VDD_WLAN
VDD_RUIM
VDD_R_SPKR
VDD_L_SPKR
VDD_TCXO
VCOIN
VCOIN
5pin u-USB
VCHG VBUS ( 50 A 4 85V)
MSM7227T
VREG_MSMC2_1.25V
VREG_MSME_1.8V
VREG_MSMP_2.6V
VREG_AUX2_2.9V
VREG_MSMA_2.6V
GSM_PA_DAC_REF
(500mA)
VSW_MSMC2
(500mA)
VSW_MSME
(150mA)
VREG_GP5
(300mA)
VREG_MSMP
(300mA)
VREG_MSMA
MCP (4Gb NAND+4Gb RAM)
H9DA4GH4JJAMCR-4EM
1 Operating Current
MPP_8
MIC
(1.8V at 1mA)
VREG USIM 2.85V
VDD
Connector
EMI Filter
VCHG_VBUS ( 50mA, 4.85V)
VBAT
VCHG
USB_VBUS
RTR6285
(300mA)
VSW_PA VREG_SMPS_2.1V
VREG_RF_2.7V
GPS LNA
1. Idle, Sleep : 1uA
1.Operating Current
(1) Sequential Read : Typ. 10mA
(2) Program : Max. 50mA
(3) Erase : Typ. 10mA
2. Standby Current : Max. 1.05mA
(150mA)
VREG_RFRX1
VBAT
MINIABB
LP8727
VREG_USIM_2.85V
1. Idle, Sleep : 1uA
LCD
1.Normal : Typ. 50.2mW
(No backlight is driven)
2. Sleep : 0.246mW
VREG_LCD_1.8V
VREG_LCD_2.8V
(150mA)
VREG_GP1
(150mA)
VREG_GP2
Micro SD
VREG_MMC_3.0V
(300mA )
VREG_WLAN
(50mA)
VREG_SYNC
ACCELERATION
S
(K3DH)
VREG_TOUCH_3.0V
TOUCH (T1320)
1. Active : Typ.3.5~5mA
2. IDLE (No Touch) : Typ. 0.6mA
VIB_DRV_N
MOTOR_PWR_N
Vibrator
VREG_TOUCH_IO_2.6V
(50mA)
VREG MMC
Battery
1500mAh
MPP_17
VBAT_SENSE
VBAT TEMP
VBAT
KEY LED
BACKLIGHT_KEY
KPD_DRV_N
VBAT
#WFKQ5WD5[UVGO
9/
(150mA)
VREG_GP3
Sensor (K3DH)
1. Operating , Idle
: Typ.250uA
2. Sleep : Typ. 1uA
2. IDLE (No Touch) : Typ. 0.6mA
3. Sleep : 0uA
Digital Compass
(AMI306)
1. Operating , Idle
VREG_MOTION_2.6V
_
_ _
VREG_COMPASS_2.6V
(50mA)
VREG_MMC
(150mA)
VREG_RFRX2
1500mAh
VBAT_TEMP
MPP_18
VREG_MSMA_2.6V
USB 3.3V
LDO
(150mA)
USB_3.3V_EN
MPP_7
TCXO
VREG_TCXO_2.85V
VREG TCXO
( 50mA)
Anti Jitter
(300mA)
VREG_GP6
(!50mA)
VREG_RFTX
5NGGR/CZW#
5RGCMGT1RGTCVKQP6[R
O#0Q8QKEG5QWTEG
*GCFUGV1RGTCVKQP6[R
O#0Q8QKEG5QWTEG
VREG_HPVDD_1.8V
I2C PU
VREG_PROX_2.8V
p
g
: Typ. 0.15mA (20SPS)
2. Sleep : 1uA
Proximity Sensor
(GP2AP00S00F)
1. Operating : typ.240uA
2. Idle, Sleep : Typ. 1.0uA
(50mA)
VREG_GP4 VREG_HS_MIC_1.8V
MPP_6
SIM_PWR_EN
$69K(K(/$%/
9.#01HH6[RW#
9.#01P6[RW#$6(/1PW#
*GCFUGV$6%CNN 5%1*8/CUVGT6[RO#
(/1RGTCVKPIO#
9.#04:#%6+8'6[RO#6:%%-F$OO#
PM7540
3.5Phi
Ear Jack
TCXO
19.2Mhz
GPS
D-F/F
VREG_TCXO
( 50mA)
Anti Jitter
NAND Gate
VREG_MSMP_2.6V
(150mA)
VREG_RUIM1
VREG_USIM_3.0V
P-CH FET
USIM
$CEMNKIJV%JCTIG
2WOR
&9
I2C P/U
/%#/5Q%
1RGTCVKPIO#
*95VCPFD[W9
CAM_AVDD_2.7V (200mA)
CAM_DVDD_1.2V (200mA)
CAM_IOVDD_2.6V (200mA)
VREG_CAM_AF_2.8V (200mA)
VBAT
P CH FET
FPCB
VUSIM_POUT_2V85
SIM_PWR
<Power Block>
Figure. Simplified Block Diagram