Maintenance
6–42
TDS3000 Series Service Manual
This procedure assumes that
the oscilloscope displays
power-up diagnostics
messages.
Push UTILITY.
Push System to select Diags.
Push OK Confirm Run Test.
Determine failure.
Use table to select module to
replace.
Oscilloscope is operating OK.
Does
the power-up
screen report any
errors?
Yes
No
Failed Test Most Likely Cause
Acquisition Main board
CPU Main board
Display Main board
Front Panel Front Panel (or Main board)
I/O Comm module (or Main board)
ROM Main board
Disk Drive Main board (or disk unit or cable)
App Modules Front Panel (or App keys)
Figure 6–31: Module isolation troubleshooting procedure
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