Maintenance
4-26
TDS3000C Series S ervice Manual
You will need a long-bit TORX T-10 screwdriver to remove the front chassis.
Removal. Use this procedure to remove the front chassis and the display module.
1. Place the oscilloscope face down on a soft surface (such as an anti-static
mat), with the bottom facing you.
2. Use the magnetic long-bit TORX T-10 screwdriver to remove the two screws
that secure the front chassis to the front case. See Figure 4--12.
Figure 4- 12: Front chassis
3. Lift the front chassis out of the front case. Lifting the left end of the chassis
slightly ahead of the right end helps to clear a slight interference at the right
end of the chassis.
NOTE. It is possible to remove the inverter board without removing the front
chassis or display module. If this is the only thing you need to do, skip to step
NO TAG on page NO TAG.
4. Place the front chassis with the display facing you. See Figure 4 --13.
5. Use your thumbs to slide the top display module tabs up until the overhang-
ing part of the tabs clear the chassis holes. See Figure 4--13.
Front Chassis and Display
Module
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