LG PRADA KE850 - RF Part Trouble Shooting

5. Trouble shooting
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5.13 RF part Trouble Shooting
5.13.1 RF Components
U401
U403
U404
X401
SW401
ANT PAD
Main Top-View
Figure 1. RF components
Main Bottom-View
REFERENCE NUMBER PART DESCRIPTION
U401
Front End Module
U403
RF Transceiver
U404
Power Amp Module
X401
VCTCXO(26MHz)
SW401
Mobile Switch