LG KU250 Service Manual - Page 34
MSM6245
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3. TECHNICAL BRIEF Bluetooth RF Module VCTCXO GSM Block PM6650 -2M GSM PAM GSM900 Tx GSM TX SAW GSM1800/1900 Tx GSM900 Rx GSM1800 Rx GSM1900 Rx GSM VCO Front End Module WCDMA Block COUPLER WCDMA PAM WCDMA TX SAW RTR6275 WCDMA2100 Tx Duplexer WCDMA2100 Rx HDET WCDMA VCO WCDMA RX SAW USB SPK/RCV MIC MAIN LCD MSM6245 1.3M CAM VGA CAM U-SIM NAND, SDRAM FLASH KEYPAD AntSW Logic Figure 1.10 Simplified Block Diagram - 35 -
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3. TECHNICAL BRIEF
- 35 -
Front
End
Module
Duplexer
RTR6275
WCDMA
PAM
MSM6245
WCDMA
TX SAW
WCDMA
RX SAW
PM6650
-2M
GSM
PAM
GSM
TX SAW
COUPLER
VCTCXO
Bluetooth
RF Module
U-SIM
1.3M CAM
USB
MIC
SPK/RCV
KEYPAD
NAND, SDRAM
FLASH
MAIN LCD
VGA CAM
GSM900 Rx
GSM1800 Rx
GSM1900 Rx
GSM900 Tx
GSM1800/1900 Tx
AntSW Logic
WCDMA2100 Tx
WCDMA2100 Rx
GSM
VCO
WCDMA
VCO
HDET
GSM Block
WCDMA Block
Figure 1.10 Simplified Block Diagram