Keysight Technologies VXI bus 75000 C Series, Service Manual, Page: 76 / 130

76 Keysight E1406A Command Module Service Guide
Service Assembly/ Disassembly Instructions
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If the command module is repairable (see “Repair Strategy” for guidelines),
repair and reinstall the module. Then, turn mainframe power ON and rerun
Step 2 - Check LEDs and Terminal Display.
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If the module is not repairable, replace the entire module. Install a new
command module, turn mainframe power ON and rerun Step 2 - Check
LEDs and Terminal Display.
Assembly/ Disassembly Instructions
This section shows how to disassemble and reassemble an Keysight E1406A
Command Module. See Figure 4-2 to prepare a command module for
disassembly. To perform disassembly, you will need a T-10 Torx driver, a
1/4-inch hex nut driver, a 9/32-inch nut driver, and a 3/16-inch nut driver. See
Steps 1 through 8 (following) to disassemble an Keysight E1406A Command
Module.
Do not handle or disassemble the command modules unless you
are familiar with the precautions listed in the
“Repair/Maintenance Guidelines” section of this chapter.
Figure 4-2 Preparing Command Module for Disassembly