Trouble Shooting; Rf Component - LG U310 Service Manual

4. TROUBLE SHOOTING

4. TROUBLE SHOOTING

4.1 RF Component

U1002
X1001
U1003
U1005
FL1000
FL1003
SW1000
Reference
X1001
U1005
U1000 GSM/WCDMA Transceiver IC
X1000
ANT1001/1002
U500
Description
VCTCXO(19.2MHz)
WCDMA Receiver
IC(RFR6250)
GSM TX VCO
ANT contact pad
Mic
ANT 1001, 1002
Reference
U1003
FL1003
U1002
FL1000
SW1000
U1001
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U400
U1000
U500
X1000
U1001
Description
HDET IC
WCDMA Duplexer
WCDMA PAM
Front End Module
ANT S/W