LG GD580 Service Manual page 164

(Bottom)
①
Test Program Script
1. EGSM Rx
SWRX=0,65,5,1024,1
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Only for training and service purposes
Figure 4-19-9. Test Points of GSM/DCS/PCS Rx
(EGSM)
v Agilent 8960 Setting
CW Mode
EGSM : -50dBm@Ch65(948MHz)
DCS : -50dBm@Ch700(1842.8MHz)
PCS : -50dBm@ch700(1967.8MHz)
v Oscilloscope Setting
- 165 -
4. Trouble Shooting
(Top)
GSM/EDG
②
DCS
Rx
Transceiver
RF3000
2. DCS/PCS Rx
SWRX=2,700,0,1024,1
SWRX=1,700,0,1024,1
E PAM
U105
PCS EGSM
Rx Rx
GSM
U102
(DCS)
(PCS)
LGE Internal Use Only