Electronic document, no scan, very well readable.
The 8590 Series Analyzers Assembly-Level Repair Service Guide
provides the information needed to adjust and repair the
and L-Series spectrum analyzers, the 8591C
cable TV Analyzer
to the assembly level.
The 8590 Series Analyzers Component-Level Repair Service Guide
provides component-level information for the repair of
assemblies. The binder contains Component-Level
Information Packets (CLIPs) for selected assemblies. Each CLIP
contains component-level schematics, a component parts list, and
illustrations for component location by reference
designator. Each CLIP
has its own part number which is changed whenever the part
for its related Analyzer
assembly is changed. A list of all
numbers for the 8590 E-Series and L-Series spectrum
cable TV analyzers, and 8594Q
QAM analyzers is provided in
12 of this service guide.
The guide is divided into the following chapters.
• Chapter 1, “Introduction,” contains information on the
identification, firmware revisions and upgrades, and safety and
• Chapter 2, “Making Adjustments,” contains the adjustment
procedures needed to adjust the Analyzer
to meet its
• Chapter 2a, “Making Adjustments: 3335A Source Not Available,”
contains the adjustment procedures needed to adjust the
meet its specifications when a 3335A source is not available.
• Chapter 3, “Backing Up and Reloading Correction Constants,”
contains information for safe-guarding the correction data
and restoring the Analyzer
• Chapter 4, “Troubleshooting the Analyzer
starting to troubleshoot a Analyzer
• Chapter 5, “Troubleshooting the IF Section,” contains specific
troubleshooting information for selected assemblies in the
and the A15 Motherland assembly.
• Chapter 6, “Troubleshooting the RF Section,” contains
troubleshooting information for the RF and LO sections of
the 8590 E-Series and L-Series spectrum Analyzer
. The information is separated by the following tabs.
• Chapter 6a, “8590L, 8591C
and 8591E,” contains specific
troubleshooting information for selected assemblies within
and LO sections of the 8590L
8591E spectrum analyzers, and 8591C
:cable TV analyzers.
• Chapter 6b, “8592L/94L, 8594Q
contains specific troubleshooting information for selected
within the RF and LO sections of the 8592L
spectrum analyzers, and the 8594Q
• Chapter 7, “Replacing Major Assemblies,” contains
the removal and replacement of most major assemblies.
• Chapter 8, “Contacting Agilent
on how to contact Agilent
Technologies and return the
• Chapter 9, “Assembly Descriptions and Block Diagrams,”
information and block diagrams describing Analyzer
•Chapter 10, “Analyzer Options and Block Diagrams,” contains
information on the available Analyzer
•Chapter 11, “Major Assembly and Cable Locations,” contains
figures identifying all major assemblies and cables.
•Chapter 12, “Replaceable Parts,” contains information needed to
order assemblies and component-level information for the
•Chapter 13, “Softkey Descriptions,” contains a description
calibration, service, and diagnostic softkeys.
•Chapter 14, “Analyzer Messages,” contains a description of the
messages that are displayed when there is a problem
•Chapter 15, “Service Equipment and Tools,” contains information
about equipment and tools used to service the Analyzer