LG KF510C Service Manual page 112

5.13.6 Checking FEM & Mobile SW
TP10 TP9
C403
22p
G2
ANT RF
G1
SW400
RF-650
TP1_R400(VC1)
TP2_R401(VC2)
TP3 (FE2)
TP4 (FE1)
RTX Mode
VC1
VC2
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Only for training and service purposes
TP1
C401
100p
TP5,6,7,8
SW400
U400 FL400
EGSM DCS
On Off
Off On
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5. Trouble shooting
TP2
R400
Y2 A2
100ohm
VCC GND
R401
100ohm
Y1 A1
C402
100p
NC7WV16P6X U400
C406
0
TP610
TP5(C403)
PCS
Off
On
TP4
FE1
FE2
TP3
GND25 GND
27
GND24 GND
28
GND23 GND
29
GND22 GND
30
GND21 GND
31
GND20 GND
32
GND19 GN
33
GND18 GN
34
LGE Internal Use Only