Tektronix DSA8200 Series, Руководство по обслуживанию

Страница: 70 / 196

Removal and Installation Procedures
4--12
DSA8200 Digital Serial Analyzer and Modules Service Manual
1. Locate module to be removed: Locate the Trim in the locator diagram, See
Figure 4--7, page 4--19.
2. Remove the top cover trim: Use Figure 4--3, page 4--13 as a guide.
a. Remove the accessory pouch; it snaps off.
b. Remove the four T-15 Torxdrive screws that secure the top cover trim to
the instrument. The T-15 Torxdrive screws also secure the snap studs to
the top cover.
c.
Grasp the back of the top cover trim and swing it upwards and toward
you to release it from the front panel trim.
d. Pull the front cover trim away from you and remove it from the
instrument.
3.
Remove the carrying handle and the right/left side trim panels:
Use
Figure 4--3, page 4--13 as a guide.
a.
Remove the two T-20 Torxdrive screws that secure the handle to the
instrument. Remove the handle from the instrument.
CAUTION.
Over-tightening the handle screws may cause the handle to break off
from the cabinet. Use a torque wrench to tighten the screws to 8--10 in.lb.
b. Slide the side trim panels towards the rear of the instrument allowing the
tabs to clear the cover openings, then pull out to remove the panels from
the instrument.
4. Remove the front panel trim: Use Figure 4--3, page 4--13, as a guide.
a. Grasp the trim ring by its top 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.)
b. Swing the bottom of the ring upward and off the front panel.
5.
Remove the acquisition trim:
Use Figure 4--3, page 4--13 as a guide.
a. Remove the six T-15 Torxdrive screws that secure the acquisition trim to
the instrument.
b.
Remove the knobs from the electrical and optical ejector levers. Grasp
the knobs with your fingers and pull straight out.
c. Remove the acquisition trim from the instrument.
6.
Reinstallation: Do in reverse steps 2 through 5 to reinstall the appropriate
trim.
Trim and Carrying Handle