Troubleshooting
6–36
TDS 340A, TDS 360 & TDS 380 Technical Reference
5. Reinstallation: Perform in reverse order steps 1 through 4, reversing the
removal instructions in each substep.
Cal jumper J609
Main board
Figure 6–21: Main board cal jumper
Troubleshooting Procedure
Figures 6–22 through 6–25, 6–29, 6–31, and 6–32 are troubleshooting procedure
flowcharts. Use them to verify module failures indicated by the onboard
diagnostics, or use them to troubleshoot an instrument failure not connected with
the diagnostics. Begin with Figure 6–22.
NOTE. Before performing the troubleshooting procedure, remove the instrument
cabinet (see page 6–11).
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