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LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
C. GSM RF Level Check
GSM/EDGE
PA (+ Ant.
SW)
U101
GSM Transceiver
U200
DCS
Rx
PCS
Rx
GS
M
Rx
➀
➁
Figure 4-49. GSM/DCS/PCS Rx path
GSM Rx path OK.
Check GSM/DCS/PCS Rx
signal level at
.
v Agilent 8960 Setting
CW Mode
GSM : -50dBm@Ch65(948MHz)
DCS : -50dBm@Ch700(1842.8MHz)
PCS : -50dBm@ch700(1967.8MHz)
Yes
GSM:-51.5dBm
DCS/PCS:-51.7dBm
Change Ant. SW module
(U101)
No
➁
Содержание KU580
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