Removal and Replacement
TDS 340A, TDS 360 & TDS 380 Technical Reference
6–11
Rear Cover, Cabinet, and Cabinet Handle
Required tool: a screwdriver with a size T-15 TorxR tip (Items 1 and 2).
1. Pull out on both of the hubs on the cabinet handle to unlock it for position-
ing. While holding the hubs unlocked, rotate the handle towards the bottom
of the oscilloscope.
2. Set the oscilloscope so its face is down with its front cover on the work
surface and its bottom facing you. Reference Figure 6–5 on page 6–12 as
you do the following steps.
3. Remove the four T-15 TorxR screws securing the rear cover to the oscillo-
scope. Lift off the rear cover. If no other parts are being serviced, skip to the
end (step 10) of this procedure.
4. Remove the single T-15 TorxR screw at the left side of the oscilloscope.
5. Lift the cabinet upwards to slide it off the oscilloscope.
6. If no other cabinet parts are being serviced, skip the rest of this procedure.
7. Working from the inside of the cabinet, remove the T-20 TorxR screw
securing each handle hub to the cabinet.
8. Working from the outside of the cabinet, grasp the two handle hubs and pull
them outward from the cabinet until they are out of the cabinet.
9. While holding the handle hubs pulled out, lift the handle away to remove.
10. Reinstallation:
a. Do, in reverse order, steps 8 and 7 to reinstall the handle assembly.
b. Do, in reverse order, steps 5 through 3 to reinstall the cabinet, while
observing the following precautions:
H Take care not to bind or snag the cabinet on internal cabling; redress
cables as necessary.
H When sliding the cabinet onto the oscilloscope, be sure that the front
and rear ridges of the main chassis slide into the grooves at the rear
of the cabinet and on the front trim.
H Install the four screws at the rear panel before installing the single
screw at the left side of the cabinet.
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