Fault isolation, 2 fault isolation – Comtech EF Data HPCST-5000 User Manual
Page 150
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Maintenance
High-Power C-Band Satellite Terminal
7–2
Rev. 0
Table 7-2. Test Points
Test Point
Description
TP3
12.5V input power voltage
TP6
Down converter AGC voltage (0 to 4V)
TP7
Up converter attenuator voltage (0 to 4V)
TP8
HPA AGC voltage (0 to 4V)
TP9
Up converter AGC voltage (0 to 4V)
7.2 Fault
Isolation
Once the terminal has been set up for operation, troubleshooting faults can be
accomplished by monitoring the terminal faults either remotely or via the optional front
panel/keypad and display.
System faults are reported in the FAULT menu.
Table 7-3 should be used in isolating a problem and deciding the appropriate action to be
taken.
Refer to Figure 7-1 and Figure 7-2 for the locations of the various modules mentioned in
this list.
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