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Maintenance
8–22
VX1410A & VX1420A IntelliFrame Mainframe Instruction Manual
H
Try isolating the problem to a module by either replacing the module with an
known-good module or moving the module to a different slot.
H
Check the fuses in the mainframe.
H
Perform the procedures as described in Performance Verification beginning
on page 5–1 to verify the power supply voltages are present and within the
specified limits. If the voltages are not present on the 25-pin connector at the
rear of the mainframe, try replacing either the power supply or the Enhanced
Monitor board. If any of the voltages are not within the specified limits,
replace the power supply.
Inadequate Cooling.
If there is a cooling problem, perform the following checks:
H
Verify that the air filter is clean. If not, remove the air filter and clean it.
H
One or both fans may not be operating properly. Check that both fans rotate.
H
Verify that each fan is properly connected to the monitor board (see
Figure 8–4 on page 8–8).
H
Check that both fans are working at their proper speeds.
H
Verify that all of the empty slots within the mainframe are closed when no
modules are installed. If necessary replace the faulty shutter assembly.
H
Verify that the ribbon cable from the Temperature Sense board to the
backplane is properly connected.
H
Verify that all VXIbus modules have front panels that activate the Intelli-
Guides (shutters).
Repackaging Instructions
If you need to send the IntelliFrame Mainframe to a Tektronix field service
center for repair, attach a tag to the mainframe with the owner name and address,
the serial number, and a brief description of the problem(s) encountered or the
service required. Always return all accessories so that the entire system can be
tested.
When repacking the mainframe for shipment, use the original packaging. If the
packaging is unavailable or unfit for use, contact your local Tektronix representa-
tive to obtain new packaging.
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Summary of Contents for IntelliFrame VX1410A
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