User manual

Chapter 4
Service
Introduction This chapter contains service information for the Agilent E1460A
64-Channel Relay Multiplexer module, including troubleshooting
techniques and repair/maintenance guidelines.
WARNING
Do not perform any of the service procedures shown unless
you are a qualified, service-trained technician, and have read
the WARNINGS and CAUTIONS in Chapter 1.
Equipment
Required
Equipment required for multiplexer/matrix troubleshooting and repair is
listed in Table 1-1, Recommended Test Equipment. Any equipment that
satisfies the requirements given in the table may be substituted. To avoid
damage to the screw head slots, use a T8 Torx driver to remove the front
panel handles and a T10 Torx driver to remove the shields.
Service Aids See Chapter 3 for descriptions and locations of Agilent E1460A replaceable
parts. Component locators and schematics are included with this manual.
Service notes, manual updates, and service literature for the modules may
be available through Agilent Technologies. For information, contact your
nearest Agilent Technologies Sales and Support Office. A list of Sales and
Support Offices can be found at the back of this manual.
Troubleshooting To troubleshoot an Agilent E1460A multiplexer problem, you should first
identify the problem, and then isolate the cause using the component
locators and schematics in this manual.
Identifying
the Problem
Table 4-1 lists some common problems, along with symptoms and possible
solutions. If the problem persists, perform component-level troubleshooting
using the component locators and schematics.
Agilent E1460A Service Manual Service 49