Keysight E5071C ENA Service Manual page 85

Troubleshooting
Troubleshooting Using Diagnostics Test
Table 4-6 Diagnostic Test Failure Troubleshooting
Test Group
No.
7 Receiver IF Ranging
###: Most suspicious assembly
##: Suspicious assembly
#: Possible faulty assembly
The meaning of abbreviations are shown in
Table 4-7 The meaning of abbreviations
Abbreviation
BAS
SRC
LCL
DBL
VNR
RCV
IMX
FEM
Module configuration is shown
4-port.
Keysight E5071C ENA Network Analyzers
Failed Probable faulty Board Assembly
Test
BAS SRC LCL
Each
B'd
All # # #
Meaning (Description)
Analog Base Board
TESTED Synthesizer Module (Source)
TESTED Synthesizer Module (Local)
TESTED Doubler Module (For over 8.5 GHz Options)
TESTED Level Vervier Module
TESTED Receiver Module
IMIX (For over 8.5 GHz Options)
Front End Module (For over 8.5 GHz Options)
Figure 4-13
DBL VNR RCV IMX
###
# #
Table 4-7.
for 2-port, and Figure 4-15
FEM T2-
SW
#
#
for
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