Tektronix MSO56B - Removal and Replace Procedures; Required Equipment; Remove Front-Panel Knobs

Removal and replace procedures
This section contains procedures for removal and installation of replaceable modules in the instrument. Refer to Replaceable Parts List for
lists and exploded views of replaceable modules.
Any module inside of the chassis that does not have a remove and replace procedure requires that the entire instrument be returned to
T
ektronix Service Center for service.
WARNING: Before performing this or any other procedure in this manual, read the safety summaries found at the beginning
of this manual. Also, to prevent possible injury to service personnel or damage to the instrument components, read Preventing
ESD on page 14.
Before performing any procedure in this subsection, disconnect the power cord from the line voltage source. Failure to do so could
cause serious injury or death.
Note: Read the cleaning procedure before disassembling the instrument for cleaning.
Required equipment
Most assemblies in this instrument can be removed with a T
-10 or T8 Torx® screwdriver tip.
Table 3: Required equipment for removal and replacement
Item No. Name Description
1 Screwdriver handle Accepts Torx-driver bits
2 T-10 Torx tip Used for removing instrument screws. Torx-driver bit for T-10 size
screw heads
3 T-8 Torx tip Used for removing instrument screws. Torx-driver bit for T-8 size
screw heads
4 3/16 inch open-end wrench Used to remove nut posts
5 Proper antistatic work environment To prevent electrostatic damage to components whenever you work
on the instrument, wear properly-grounded electrostatic prevention
wrist and foot straps, and work in a tested antistatic environment on
an antistatic mat.
Remove front-panel knobs
Use this procedure to remove and replace front-panel knob assemblies.
Before you begin
•
To prevent electrostatic damage to components whenever you work on the instrument, wear properly-grounded electrostatic prevention
wrist and foot straps, and work in a tested antistatic environment on an antistatic mat.
About this task
There are eight knob assemblies that can be removed from the front case.
Procedure
1. To remove a knob assembly, pull the knob straight out of the front panel. Finger strength is adequate to pull knobs. Do not use pliers.
Maintenance
5 Series B Mixed Signal Oscilloscope Service Manual MSO54B, MSO56B, MSO58B 17