LG LG9200 Service Manual page 90

TX Part Trouble Shooting(6)
6. Check Ant. SW circuit
➀ Control signal VC1, VC2
Same as RX Trouble Shooting
Procedure No.1
➁ Tx OUT Power
GSM : about 33dBm
PCS : about 30dBm
4. TROUBLE SHOOTING
Check these points with High Frequency Probe.
You can see RF signal at Spectrum Analyzer !
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