Tektronix RSA3408B, Service Manual

Page: 185 / 250

Removal and Installation Procedures
RSA3408B Analyzer Service Manual
5- 57
Figure 5- 28: Front panel assembly removal
1.
Assemble equipment and locate module to be removed:
a. You will need a 12 mm nutdriver (Item 8), and a
1
@
16
inch hex wrench
(Item 12).
b. Locate the rotary encoder in Figure 5--9 on page 5--19.
2.
Orient the front-panel assembly: Set the front-panel assembly so its back is
down on the work surface and its front is facing you.
3. Remove the general purpose knob: See Figure 5--29. Loosen the setscrew
securing the knob using the
1
@
16
inch hex wrench. Pull the knob away.
4.
Remove the rotary encoder:
See Figure 5--29.
a. Unplug the rotary encoder cable at J140 on the A60 Front key board.
b. Using the 12 mm nutdriver, remove the nut securing the rotary encoder
to the front bezel.
5.
Reinstallation:
Reverse steps 3 and 4 to reinstall the rotary encoder and the
general purpose knob.
Rotary Encoder