Hardware Architecture - LG TU550 Service Manual

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3. TECHNICAL BRIEF

3.7 Hardware Architecture

1800/1900
850
LGE Internal Use Only
EDGE
GSM
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
Copyright © 2007 LG Electronics. Inc. All right reserved.
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Power
PM6650
JTAG
Only for training and service purposes

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