
8712ET/ES and 8714ET/ES Troubleshooting and Block Diagrams
RF Network Analyzers Introduction
Service Guide 4-3
Figure 4-1 Example of an Antistatic Workstation
• For disassembly procedures, see Chapter 3.
WARNING Some parts in the analyzer have sharp edges. Work carefully to avoid
injury.
• Before replacing an assembly, inspect the board for obvious, easy-to-fix defects.
Examples include:
• bent pins on ICs
• no solder in holes around the edges of shields
• cold solder joints
Service Kit
The service kit (08712-60012) for the 871x series analyzers contains several parts that are
useful for adjusting and servicing the analyzer. The following parts are included:
• extender board assembly that allows you to operate selected internal board assemblies
outside the analyzer chassis
• GPIB connector extender that allows you to mate an GPIB cable when the extender
board assembly is attached to the analyzer
• two SMB extension cables, 12 inches long (30-cm)
• modified 5/16-inch wrench for better access to SMA cable nuts
• IC extractor tool for removing ICs such as the U335 bootROM
• 6-inch (150-mm) semirigid coaxial extension cable
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