LG C1100 Service Manual page 56

(4) Checking Ant SW & Mobile SW
Test Points
SW301. ANT
L305 (VC2)
L306 (VC1)
Waveform
FL301. 10
Figure 4-12.
Graph 4-7.(a)
KMS-507
SW301. RF
C321
8
ANT
4
GND1
6
GND2
7
GND3
9
GND4
12
GND5
13
GND6
14
GND7
11 2
FL301. 1
Graph 4-7.(b)
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4. Trouble Shooting
Circuit Diagram
SW301
22p
FL301
5
EGSM_TX
3
DCS_TX
10
EGSM_RX
1
DCS_RX
SHS-C090DR
L305
ANT_SW2
33nH
C382 10p C383 27p
L306
ANT_SW1
33nH
C384 3.3p C385 10p
C322
0.5p
C325
NA
C387
27p
GPO_11
GPO_9