Tektronix TDS7054, Service Manual

Page: 164 / 254

Removal and Installation Procedures
6--10
TDS7104 & TDS7054 Service Manual
AC power
cord
Line fuse
holder
Line fuses
AC power cord
connector
Power
switch
Figure 6--1: Line fuse and line cord removal
1. Assemble equipment and locate modules to be removed:
2. Orient the oscilloscope: Set the oscilloscope so its bottom is down on the
work surface and its front is facing you.
3.
Remove the knob(s): Grasp any knob you want to remove and pull it straight
out from the front panel
1
/
4
inch to create some clearance between the base of
the knob and the front panel. Insert the angled-tip tweezers between the knob
and front panel and use them to remove the knob. See Figure 6--2.
4.
Reinstallation: To reinstall, align knob to shaft and push it in until it snaps.
CAUTION.
To prevent damage to the encoders located on the circuit board, apply
pressure to the encoders while pushing the knob on the shaft.
Front-Panel Knobs