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4. Trouble Shooting
Reference
Description
Reference
Description
U101
RTR6285(Transceiver)
FL109
WCDMA (VIII) Duplexer
U100
GSM TX Module (FEM +
GSM/EDGE PAM)
FL105
WCDMA (I) RX SAW Filter
U104, U105
WCDMA Band (VIII),(I) PAM
X250
VCTCXO(19.2MHz)
FL108
WCDMA (I) TX SAW Filter
U102
GPS LNA
FL107
WCDMA (VIII) TX SAW Filter
SW100
RF Antenna Connector
FL100
WCDMA (I) Duplexer
4.2 SIGNAL PATH
GSM850/GSM900/DCS/PCS’s RX/TX Signal PATH
A. GSM850/GSM900/DCS1800/PCS1900 RX PATH
B. GSM850/GSM900/DCS1800/PCS1900 TX PATH
C. COMMON TX/RX PATH