Signal Path - LG GT540 Service Manual

Reference
U101
U100
U104, U105 WCDMA Band (VIII),(I) PAM
FL108
FL107
FL100

4.2 SIGNAL PATH

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Only for training and service purposes
Description
RTR6285(Transceiver)
GSM TX Module (FEM +
GSM/EDGE PAM)
WCDMA (I) TX SAW Filter
WCDMA (VIII) TX SAW Filter
WCDMA (I) Duplexer
GSM850/GSM900/DCS/PCS's RX/TX Signal PATH
A. GSM850/GSM900/DCS1800/PCS1900 RX PATH
Reference
FL109 WCDMA (VIII) Duplexer
FL105 WCDMA (I) RX SAW Filter
X250
U102
SW100 RF Antenna Connector
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4. Trouble Shooting
Description
VCTCXO(19.2MHz)
GPS LNA
LGE Internal Use Only