Test Points - LG C1100 Service Manual

(4) Checking Ant SW & Mobile SW

Test Points

SW301. ANT
L305 (VC2)
L306 (VC1)
Circuit Diagram
KMS-507 SW301
C321 22p
FL301
8
ANT
4
GND1
6 5
GND2 EGSM_TX
7 3
GND3 DCS_TX
9
GND4
12
GND5
13 10
GND6 EGSM_RX
14 1
GND7 DCS_RX
11 2
SHS-C090DR
L305
33nH
C382 10p C383
L306
33nH
C384 3.3p C385
FL301. 10
Figure 4-5.
C322
0.5p
C325
NA
C387
27p
ANT_SW2 GPO_11
27p
ANT_SW1 GPO_9
10p
- 47 -
SW301. RF
FL301. 1
Waveform
4. Trouble Shooting