TDS310 datasheet(187/242 Pages) ETC2

187 / 242 page

Troubleshooting

TDS 310, TDS 320 & TDS 350 Instruction Manual

829

The Voltage, Timing, andExternal Trigger calibration menus are disabledat

the factory. To enable the calibration menus, perform the following steps.

NOTE

Early versions of the TDS 320 did not contain a cal jumper and did

not disable the calibration menus. Do not use this procedure on

those instruments.

1. Remove the Line Cordas describedon page 89.

2. Remove the Rear Cover andCabinet as describedon page 813.

3. Set the oscilloscope so its top side is down on the work surface and its

front is facing you.

4. Remove cal jumper J609 from the main board(see Figure 816). Save the

jumper. After calibration andto protect the calibration settings, reinstall

the jumper.

5. Reinstallation: Perform in reverse order steps 1 and 2, reversing the

removal instructions in each substep.

Cal Jumper J609

Main Board

Figure 816:Main Board Cal Jumper

Figures 817 through 826 are flowcharts of the troubleshooting procedure.

Use them to verify module failures indicated by the onboard diagnostics, or

use them to troubleshoot an instrument failure not connectedwith the diag

nostics. Begin with Figure 817.

Enabling Calibration

Menus

Troubleshooting

Procedure

TDS310 Datasheet(PDF) 187 Page - List of Unclassifed Manufacturers