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LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
6. BLOCK DIAGRAM
- 131 -
6.1 CU405 Block Diagram
FE
M (S
WP
le
x
e
r + G
S
M_
RX_
S
A
W)
1800/1900
850/900
TX_SAW
RFR6275
RTR6275
MSM6280
PM6650
VGA
Bluetooth
TX_SAW
850
SPDT
GSM Tx/Rx
SSBI
SSBI
I/Q
Earpiece
MIC
Power
GSM
PAM
RX_SAW
W-VCO
HDET
GSM 850 Rx
GSM 1800 Rx
GSM 1900 Rx
Duplexer
Duplexer
1900
Coupler
LNA
1900
LNA
850
GSM-VCO
W-VCO
WCDMA Tx/Rx
USIM
USB
+5V
NAND 512M
SDRAM 512M
SPEAKER
LCD
(ì 2 QCIF)
Stereo Headset
TPA2005
TX_SAW
900
WCDMA
PAM
GSM 900 Rx
Coupler
RX_SAW
SSBI
6. BLOCK DIAGRAM
Summary of Contents for CU405
Page 1: ...Date May 2007 Issue 1 0 Service Manual Model CU405 Service Manual CU405 Internal Use Only ...
Page 175: ...Note ...
Page 176: ...Note ...