Tektronix TLA 704, Service Manual

Page: 64 / 144

Removal and Installation Procedures
TLA 704 Color Portable Mainframe Service Manual
6–9
Front Cover and Trim Ring
You will need a flat-bladed screwdriver or other small prying tool (Table 6–1,
item 4, page 6–6) to remove the trim ring.
Use the following procedure to remove the front cover and trim ring:
1. Locate the parts to be removed in the locator diagram External parts,
Figure 6–1 on page 6–8.
2. Set the mainframe with the cord-wrap feet on the work surface and the
bottom facing you.
3. Grasp the front cover by its left and right edges and snap it off the front
panel. See Figure 6–2 on page 6–10.
4. Do the Bottom Cover removal procedure, on page 6–14, to remove the
bottom cover.
5. Grasp the trim ring by its bottom edge and pull toward you to detach the
three plastic snaps. (Alternatively, you can use a flat-bladed screwdriver or
other small prying tool to help you detach the snaps.) Then, swing the
bottom of the ring upward and work the rest of the ring off the front panel.
Use the following procedure to replace the front cover and trim ring:
1. Do the Bottom Cover installation procedure on page 6–14 to replace the
bottom cover.
2. Replace the trim ring on the front panel. Start at the top edge and work
around to the bottom until the three plastic snaps engage. Press the trim ring
down all around the edges until it is completely seated.
3. Press the front cover back onto the front panel until the left and right edges
snap into place.
Removal
Installation