LG GT500 - Checking Front End Module Block

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Only for training and service purposes
4. TROUBLE SHOOTING
4.18 Checking Front End Module Block
Figure 4-21. Front End Module Block
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Antenna Switch Module
(+ GSM/EDGE PA)
TP1
TP2
TP3
TP4
0
R114
0
R115
0R112
_TXEN
8
LB_RF_IN
39
MODE
BS1
7
6
BS2
1
HB_RF_IN
SKY77521
17
ANT
C139 22p C140 22p
R111 0
C130 22p 22p C129
ANTSW3
ANTSW2
ANTSW0
ANTSW1
GTX_1800_1900
GTX_850_900
TP2
TP1
TP3
TP4