Chapter 3
MAINTENANCE, PERFORMANCE CHECKS and
ADJUSTMENTS
What’s in This
Chapter
This chapter provides maintenance and service information,
performance tests, and the procedures necessary to adjust and
troubleshoot the Model 9250 Universal Waveform Generator.
WARNING
The procedures described in this section are for use
only by qualified service personnel. Many of the steps
covered in this section may expose the individual to po-
tentially lethal voltages that could result in personal in-
jury or death if normal safety precautions are not ob-
served.
CAUTION
ALWAYS PERFORM DISASSEMBLY, REPAIR AND
CLEANING AT A STATIC SAFE WORKSTATION.
Disassembly
Instructions
If it is necessary to troubleshoot the instrument or replace a
component, use the following procedure to remove the side panels:
1. Using a Phillips head screwdriver, remove the screws from the
top and bottom covers.
2. Carefully lift the top cover from its back end and slide the cover
to the rear to clear the front panel spring latch. Do the same for
the bottom. After removing the covers from the instrument, ac-
cess the component side for calibration and checks, and the
solder side when replacing components.
3. When replacing the top and bottom covers, reverse the above
procedure.
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
CAUTION
CAUTION
SENSITIVE ELECTRONIC DEVICES
DO NOT SHI P OR STORE NEA R
STRONG ELECTROSTATIC,
ELECTROMAGNETIC, MAGNETI C OR
RADIOACTIVE FIE LDS
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