Maintenance
6-40
TDS3000B Series Service Manual
Troubleshooting Procedure
Figures 6--27 through 6--29 are troubleshooting procedure flowcharts. Use them
to troubleshoot an instrument failure. Begin with Figure 6 --27.
NOTE. Before performing the troubleshooting procedure, remove the instrument
cabinet (see page 6--5).
Yes
No
Done.
Power on the
oscilloscope.
Perform the AC Power Supply
troubleshooting procedure
(Figure 6--28).
Yes
No
Perform the Module Isolation
troubleshooting procedure
(Figure 6--29).
Does
the scope pass all the
diagnostics?
Does
the scope display the
power-up screen?
Figure 6- 27: Primary troubleshooting procedure