6. BLOCK DIAGRAM
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Only for training and service purposes
LGE Internal Use Only
6.Block diagram
Single Charger
RT9536
MICRO
USB
K
EY
B
A
CK
LIG
H
T
Speaker/Rcv
Main MIC
1.3M FF Camera
MEMORY
NAND 1Gbits
DDRAM 256Mbits
LCD
INTERFACE
27pin
Ear Jack
Audio Subsystem
LCD(2.2”)
32.768KHz
Crystal
JT
A
G
MAIN PCB
VIBBRATOR
RGB_LED_EN
SP
EE
C
H
H
S
FM
_A
UDI
O
SPK_RCV
HS_OUT
FM
_A
N
T
H
P
_M
IC
JA
C
K
_H
O
O
K
_D
ET
USB_DM_UART_RX
VBUS
V
U
SB
_L
D
O_
4V
9
LNAND_D_[00~07]
JTAG I/F
RST_N
UART
LCD I/F
KEY_COL(0~7)
KEY_ROW_(0~7)
End Key
K
P
_L
ED
SD
I/F
,
LN
A
N
D
I/F
I2
C
In
te
rfa
ce
C
A
M
I/
F
MT6255
QUAD SIM
Indicator LED
I2
C
In
te
rfa
ce
USB_DP_UART_TX
VBAT
BT
_IN
_O
U
T
BT Antenna
Fil
te
r
(M
u
ra
ta
)
RF Module
DCXO
26MHz
Antenna
Lo
w
B
an
d
_T
x
H
ig
h
B
an
d
_T
x
Lo
w
B
an
d
_R
x
H
ig
h
B
an
d
_R
x
Balun
FM RADIO
BLED_CA(0~3)
Charger
Pump
(
RichTek)
MT6306
(MTK)
SIM
2
I/
F
SIM 1
SIM 2
SIM 3
SIM 1 I/F
M
SD
I/F
Micro SD
A20_A395
Block Diagram
1700/1500mAh
(LGC)
(Tianma)
(Hynix)
(Wolfson)
SIM 4
A395 Block Diagram