CAUTION: Improper cleaning agents or methods can damage the flat panel display
.
• Do not use abrasive cleaners or surface cleaners to clean the display.
• Do not spray liquids directly on the display surface.
• Do not scrub the display with excessive force.
CAUTION: T
o prevent getting moisture inside the instrument during external cleaning, do not spray any cleaning solutions directly
onto the screen or instrument.
Check for common problems
Use the following table to help isolate possible failures. The table lists problems and possible causes. The list is not exhaustive, but it may
help you eliminate a problem that is quick to fix, such as a loose power cord.
Table 5: Failure symptoms and possible causes
Symptom Possible cause(s)
Instrument will not power on Power cord not plugged in.
Faulty power supply.
Defective micro-controller assembly.
Instrument powers on, but one or more fans will not operate Faulty fan power cable.
Fan power cable not connected to circuit board.
Defective fan .
Faulty power supply.
One or more defective point of load regulators.
Flat-panel display blank or has streaks in display Faulty LCD screen or video circuitry.
Service the instrument
For more information on troubleshooting, maintenance, and replacing parts on your instrument contact a T
ektronix Service Center.
Maintenance
60
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