Hardware Architecture - LG CU500 Service Manual

3. TECHNICAL BRIEF

3.7 Hardware Architecture

1800/1900 EDGE
GSM
850
PAM
Q_VCO
PCS1900_Rx_SAW
DCS1800_Rx_SAW
RTR6250
GSM850_Rx_SAW
GSM900_Rx_SAW
850
coupler PAM TX_SAW
HDET
VCO VCTCXO
1900
coupler
PAM TX_SAW
SBI SBI
RFR6202
RX_SAW
RFL6202
RX_SAW
BlueTooth
Figure. Simplified Block Diagram
LCD
LCD
(Main, Sub)
Camera 1.3M
T-
Micro SD
I/Q
USIM
KEY
PAD
Dual Speaker
MSM6275
Stereo Head Phone
MIC
SBI
USB
UART
IO_Conn
I/Q
SDRAM
NAND Flash
SBI
- 36 -
Power
PM6650
JTAG