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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
B. GSM Tx Output Level Check
Test Program Script
1. GSM Tx
MODE=0
SWTX=1,64,5,1024,1
2. DCS Tx
MODE=2
SWTX=1,699,0,1024,1
3. PCS Tx
MODE=1
SWTX=1,661,0,1024,1
Figure 4-42. GSM/DCS/PCS Tx Level at
➀
Check GSM/DCS/PCS output power at
Check if there is any Major difference.
Refer to Figure 4-42.
GSM>32dBm
DCS>29dBm
PCS>29dBm
No
See Next page to check Tx path
Similar?
Yes
GSM/DCS/PCS Tx path OK.
See Chapter 4.8.6 to check Rx path
v Agilent 8960 Setting
: GSM BCH+TCH Mode
v Oscilloscope Setting
➀