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7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
850, 900,1800,1900MHz
R109
ANT_FEED
ANT_FEED
RX_DCS1800_M
RX_DCS1800_P
RX_GSM850_M
RX_GSM850_P
ANTENNA SWITCH MODULE LOGIC
MODE
ANT_SEL1
GSM850/EGSM TX
PCN/PCS TX
GSM850 RX
EGSM RX
PCN RX
GSM_PA_BAND
6 dB
ANT_SEL0
PCS RX
6 dB
1-2-1-3_ESC-Quad EDGE