5. BLOCK DIAGRAM
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. BLOCK DIAGRAM
[D821] Total Block Diagram
1. Total Block Diagram(LGD821)
Speaker
Receiver
Ear-Phone
Main/Sub MIC
26MHz
LPDDR3 16Gb
PoP 800MHz
(EBI0/1)
MSM8974
2.3GHz, Quad-core
(QMC WCD9320)
SLIMBUS, I2S
USIM
Audio Codec
(WCD9320)
8MP OIS Camera
Flash
eMMC4.5 32GB
PMIC_1
LCD
Backlight
Compass
Pressure
AcceleGyro
I2C1
MIPI-CSI2 4Lane, I2C
MIPI-CSI2 2Lane, I2C
I2C
MIPI-DSI0 4Lane
SDIO(8)
Fuel
Gage
19.2M
1.3MP VT Camera
USB2.0 Con.
SPMI
Function Key (Up, Down)
Key(3)
Switching
CHG
Sleep CLK
XO
HDMI
Pr Ambient Light
(PM8941)
USB2.0_D+/-
Slimport
Transmitter
PMIC_2
(PM8841)
SPMI
DSV
DSV_EN
4.95” FHD
LCD
R/G/B
RGB Indicator
I2C2
USB2.0_D+/-
Motor Driver
Motor
PWM
Slimport
(Touch)
Fuel
Gauge
I2C
Boost
(For Low Voltage)
3.5V
VPWR
Back-up battery
Reset IC
I2C
BAT
OVP
I2C
RF
Transceiver
Low Band
UMTS
GSM
CDMA
LTE
BCM4335
Antenna #1
Switch
GSM Quad &
3G & 4G
HCPA
NFC IC
(BCM20793)
INTs
RX_IQ
USIM
SWP
I2C
TX_IQ
SSBI+RF Ctrl
WLAN SDIO[0:3]
BT PCM
B8/GSM900 RX
(WTR1605L-1)
B5/B6/GSM850 RX
Antenna #2
Switch
BT UART
Antenna #3
Switch
LTE B20 RX
LTE B20 TX
High Band
UMTS
GSM
CDMA
LTE
GNSS
B1/B4 RX
GSM1800 RX
LTE B7 RX
LTE B7 TX
B2/GSM1900 RX
GPS LNA
Antenna #4
Switch
LTE B1/B2/B4 DRX
LTE B5/B8
LTE B20 DRX
LTE B41 DRX
BT/WiFi
Diplexer
2G FEM
5G_FEM
BT/2G WIFI
5G WIFI
Hall IC