Trouble Shooting; Rf Component - LG U990 Service Manual

4. TROUBLE SHOOTING

4.1 RF Component

U100
FL103
FL102
FL100
SW100
Reference
U100
FL103
FL102
FL100
SW100
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Only for training and service purposes
Descri ption
GSM/UMTS Transceiver (RTR)
UMTS Duplexer
UMTS RX SAW
Front -End-Module
RF Antenna Connector
4. TROUBLE SHOOTING
Reference
X100
FL104
U105
U104
FL101
U101
- 93 -
X100
FL104
U105
U104
FL101
U101
Description
VCTCXO(19.2MHz)
UMTS TX SAW
UMTS PAM
Coupler
GSM900 TX SAW
GSM/EDGE PAM
LGE Internal Use Only