Removal and Installation Procedures
6-12
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
AC power
cord
Line fuse
holder
Line fuses
Power
switch
AC power cord
connector
Figure 6- 1: Line fuse and line cord removal
1. Assemble equipment and locate modules to be removed:
2. Orient the instrument: Set the instrument 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, removing the knob. See Figure 6--2.
4. Reinstallation: To reinstall, align knob to shaft and push it in until it snaps.
CAUTION. To pr event damage to the encoders located on the cir cuit board, apply
pressure to the encoders while pushing the knob on the shaft.
Front-Panel Knobs
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