Tektronix WFM700 Series, Service Manual

Page: 173 / 194

Troubleshooting
WFM700 Series Waveform Monitors Service Manual
4- 39
Use this troubleshooting tree to help diagnose problems when errors are reported
by the waveform monitor’s diagnostics.
Power on the
instrument.
No
Yes
Run the Full Powerup Diagnostics
from the Configuration menu.
Are
diagnostic errors
reported?
Remove all modules from slots 2 --5.
Rerun the diagnostics
Are
diagnostic errors
reported?
If problems persist, refer
to Check for Problems
on page 4--27.
No
Reinstall each module (one at a
time) and run the diagnostics after
each module installation to isolate
the faulty module.
Do reported
failures relate to any of the
following items:
Empty area tests,
NVRAM tests,
FLASH tests,
PLX 9054 tests,
SDRAM tests
Yes
Replace the
CPU board.
Yes
Do reported
failures relate to any of
the following items:
PCI tests,
VGA tests
No
Yes
Replace the Main
Interface board.
Run the Digital Signal
Path Diagnostics from
the Configuration menu.
Are
diagnostic errors
reported?
No
Remove all modules
from slots 2 --5.
Rerun the diagnostics.
Yes
Are
diagnostic errors
reported?
No
Yes
Reinstall each module
(one at a time) and run
the diagnostics after each
module installation to
isolate the faulty module.
No
Go to the Audio Path
Diagnostics troubleshooting
tree on page 4--40.
Figure 4- 18: Diagnostics errors troubleshooting tree
Diagnostics Errors
Troubleshooting Tree