Trouble Shooting; Rf Component - LG U8290 Service Manual

4. TROUBLE SHOOTING

4. TROUBLE SHOOTING

4.1 RF Component

U204
Q200
U205
U206
Reference
U200
U201
U202
U203
U204
U205 WCDMA/GSM Transceiver IC
U206
RF component (Top)
Description
WCDMA Receiver IC
WCDMA Rx LNA IC
WCDMA Duplexer
WCDMA HDET IC
WCDMA Tx PAM
VCTCXO(19.2MHz)
Reference
Q200
FL200
FL201
FL202
FL203
FL204
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U202
FL204
U203
FL201
FL202
FL203
FL200
U201
U200
Description
WCDMA PAM Vcc Switch
WCDMA Rx SAW Filter
GSM Rx SAW Filter
DCS Rx SAW Filter
PCS Rx SAW Filter
WCDMA Tx SAW Filter