Trouble Shooting; Rf Component - LG GU280 Service Manual

4. TROUBLE SHOOTING

4. TROUBLE SHOOTING

4.1 RF Component

X101
Reference
U101
U102
U104
U201
FL102
FL103
FL104
FL105
FL106
FL108
X101
SW101
LGE Internal Use Only
U201
FL106 FL103 SW101
Description
PAM (GSM 850/900/1800/1900)
PAM (WCDMA1900 or WCDMA2100)
Not Applied
QSC6240
Not Applied
Duplexer (WCDMA850 or WCDMA900)
3G Tx SAW Filter
Front End Module (FEM)
Duplexer (WCDMA2100)
GSM Low Band Switching Tx SAW Filter (GSM850/900)
VCTCXO(19.2MHz)
RF Switch connector
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U104
U102
FL105
U101
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
FL102
FL104
FL108
Maker
Triquint
AVAGO
AVAGO
Qualcomm
EPCOS
EPCOS
EPCOS
EPCOS
EPCOS
EPCOS
DAISHINKU
Dong Eun