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5. BLOCK DIAGRAM
[LGD618] Block Diagram-Total
WCN3620
(BT/WLAN/FM)
RF_CLK2
QFE1101
QFE1101
Primary
Rx/Tx
VBAT
VBAT
circuits
i
it
Bypass
+VPWR
Booster +VPWR_BOOST
GNSS
Rx circuits
2 Mics
(Main,Sub)
Receiver (1307 WB)
Speaker (1511)
Ear-Jack (Side Contact)
LGE Internal Use Only
WLAN (IQ, CTL(5))
BT_SSBI
FM_SSBI
USIM & uSD Combo
SDC2(4)
( )
USIM1
USIM2
TX1_OUT
SSBI
TX2_OUT
TX_IQ
TX3_OUT
PRX_IQ
PRX_LB1
PRX_LB2
_
WTR2605
WTR2605
PRX_MB1
PRX_MB2
PRX_MB3
GNSS_IQ
GNSS_RF_IN
RF_CLK1
EXT
LNA
GNSS_ELNA_EN
WCD9302
SLIMbus
(Codec)
(C d
)
SDC1(8)
MIPI_CSI0(2lane)
POP
MIPI_CSI1(1lane)
LP-DDR2 1GB
(533MHz 32 bit
Dual channel)
I2C
I2C
PWM
LINE_OUT
MSM8226
PWM
PWM
(1.2GHz Quad
Cortex-A7)
I2C
MIPI_DSI(2lane)
FLASH_STROBE
TX_GTR_THRESH
PS_HOLD
RESET
SPMI
BB_CLK1
BB_CLK1
_
2440mAh(Typ)
2440mAh(Typ),
Li-ion
FPCB
USB Con.
- 141 -
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5. BLOCK DIAGRAM
eMMC v4.5
8GB
8M Cam (AF)
1.3M VT
Hall IC
A
Accel + Compass
l
C
Proximity Sensor
IR LED
IRRC circuits
Motor
Motor
Touch
Screen
4.7" qHD
LCD Backlight
(960X540)
PM8226
(PMIC)
19.2M
TCXO
+VPWR_BOOST
Bypass
Booster
+VPWR
+VPWR
VBAT
5V_USB
KPD_PWR_N
Only for training and service purposes
Flash LED
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Troubleshooting
