Block Diagram - LG GD310 Service Manual

7. Block Diagram

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