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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
7. Block Diagram
7. Block Diagram
LGE Secret
GD310 BLOCK DIAGRAM
PMB6821(PM IC)
BB IC(PMB8877)
(1G NAND +
512M DDR SDRAM)
Charging IC
(BQ25040)
μ
-SD + SIM Socket
TRANSCEIVER
PMB6272
LMSP43QA-538
BT IC
BCM2048SB0
Vibrator
LCD, 2.4”
262K TFT QVGA
KEY PAD
KEY Back Light
Charge Pump
(AAT3169)
LED Matrix Module
SD1 (1.35V)
SD2(1.8V)
SD2(1.8V)
VAUX (2.9V)
VIO(2.62V)
VSIM(2.9V)
VMME (2.9V)
VUMTS(2.85V)
VUSB(3.1V)
VLED (2.9V)
VAUDIOa(2.5V)
VAUDIOb(2.5V)
VRF1(2.85V)
VRF2(1.53V)
VRF3(2.70V)
VPLL(1.35V)
VRTC(2.0V)
VVIB(2.8V)
VBAT
DCS/PCS
GSM850/900
FEM
PAM (TQ5005H)
3M CAM
FE1 FE2
PA_MODE
PA_BAND
TXON_PA
PA_LEVEL
AFC
I/I_/Q/Q_
RF_EN
RF_CLK
RF_DA
26M_MCLK
26M_TCXO
ANT
BPF
BT ANT
FM ANT
UART
/
/
I2S
/
BT_CLK
ADD(0:29)
/
DATA(0:15)
/
32kHz
HEADSET MIC
HEADSET RECEIVER
MAIN MIC
FM RADIO
FM RADIO
AUIDO AMP(MAX9877)
EPN11
EPP11
EPPA11
EPPA21
RXIN-
RXIN+
INA1
INA2
HSO_L
HSO_R
MAIN SPEAKER
OUT-
OUT+
MIC1(P/N)
MIC2(P/N)
VMICP/N
I2C
/
INB1/2
M
IX
E
R
BYPASS
P
R
E
-
A
M
P
Match
Match
Match
Match
Controller
Battery
CHG_EN
T_IN1
I2C
/
(LED CTRL : 5 ea)
I2C
/
I2C
/
I2C
/
VBAT
END_KEY
COL
ROW
KEY_COL
KEY_ROW
2V11_RTC
2V11_RTC
B/UP BAT.
CAM_ I2C
/
I2C1
GPIO
I2C1
I2C1
CIF
MMC I/F
/
MMC I/F
VIB_EN
GPIO
PA_MODE
PA_BAND
TXON_PA
PA_LEVEL
UART
I2S
R
F
IN
T
E
R
F
A
C
E
Memory
Pin.01
VBUS_USB
Pin.02
M
ic
ro
U
S
B
I/
O
Pin.03
Pin.04
Pin.05
MUIC_DM
MUIC_DP
MUIC_ID
GND
DIF
/
DIF
Hall Sensor
CAM_I2C
CAM_I2C
KEY_EN
GPIO
TRANSCEIVER(PMB6272)
5P MMI CONN.
MUIC
(MAX14526)
FM_ANT
VBUS_USB
RPWRON_EN
HSO_L
HSO_R
H_SMIC
I2C_SCL
I2C_SDA
US
B_
DM
US
B_
DP
UA
R
T
_R
X
UA
R
T
_
T
X