422 Chapter10
Analyzer Options and Block Diagrams
First LO Distribution Amplifier (LODA) 8593E, 8594E, 8594Q, 8595E, 8596E Option 009
TREE 1: Spectrum Analyzer Platform vs Option 190
IS THE PROBLEM A SPECTRUM ANALYZER PLATFORM OR OPTION 190
PROBLEM?
Comments Problems/Reasons Diagnostic/Fix Action
Isolate the problem.
Note that the base
spectrum analyzer
platform is the same
as an 8594E
spectrum analyzer.
If the failure is in a spectrum
analyzer test, it is most likely
a problem in the base
spectrum analyzer platform.
Check the list of Option 190 failures
that can look like spectrum analyzer
problems. If none match, follow the
typical 8594Q analyzer troubleshooting
procedure documented in the
8590 Series Analyzers Assembly-Level
Repair Service Guide.
If the failure is in an
Option 190 specific test under
the DVB Analyzer Menu or at
859XE Option 190
Recalibration Software, it is
most likely to be an
Option 190 problem in the
card cage.
Check the list of spectrum analyzer
platform problems that can look like
Option 190 problems. If none match, go
to TREE 3.
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