VCTCXO troubleshooting
Troubleshooting flow
RF component reference
Component reference table
This table shows the components used for the different bands. It can be used as a reference when
troubleshooting which components may or may not be faulty.
GSM850 GSM900 GSM1800 GSM1900 WCDMAI WCDMAIV WCDMAVIII
Reference RX TX RX TX RX TX RX TX RX TX RX TX RX TX
G7500 X X X X X X X X X X X X X X
L7500 X X X X X X X X X X X X X X
N7500 X X X X X X X X X X X X X X
N7520 X X X X X X X X X X X X X X
N7540 X X X
N7560 X X X X X X X X X X X X X X
T7520 X X
Z7521 X X
Z7523 X X
Z7542 X X X
Z7543 X X
Z7544 X
Z7545 X X X X X
RM-509; RM-510; RM-511
RF Troubleshooting
Issue 2 COMPANY CONFIDENTIAL Page 4 –25
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