Keysight E5071C ENA - Diagnostics Test Failure Troubleshooting

84 Keysight E5071C ENA Network Analyzers
Troubleshooting
Troubleshooting Using Diagnostics Test
4-
Diagnostics Test Failure Troubleshooting
Table 4-6 represents the contents of the diagnostics tests and the relationships
of failed tests to probable faulty board assemblies. If the instrument fails the
diagnostics test, replace the faulty board assembly as shown in Table 4-6.
It is recommended to perform the diagnostic test in accordance with the main
menu. Also if it is failed on DCBUS TEST, troubleshooting is refer to Figure
4-17, and if it is failed on Internal Level Monitor, troubleshooting is refer to
Figure 4-18.
Table 4-6 Diagnostic Test Failure Troubleshooting
Test
No.
Group Failed
Test
Probable faulty Board Assembly
BAS SRC LCL DBL VNR RCV IMX FEM T2-
SW
1DC-BUS ALL### ## #
BAS ### ## #
SRC # ### ##
LCL # ### ##
VNR # ## ###
2 Internal Level Monitor ALL ### # # # ##
SRC # ### ##
LCL # ### ##
VNR # ## ### ## #
3 RF Output Level Power
Sweep
Port 1###############
4 RF Output Level Range Each
B’d
### #
All # ## # ### # #
5 Receiver Absolute
Measurement
Each
B’d
### #
All ### ## #
6 Receiver Compression Each
B’d
### #
All ### ## #