Chapter 5: Troubleshooting
Primary Trouble Isolation
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Primary Trouble Isolation
The actions in the Primary Trouble Isolation are done without disassembling the
oscilloscope. Interaction of the front panel with the rest of the oscilloscope and other
indicators are used to help identify the problem area.
A letter is assigned to boxes in the flowchart. The letter corresponds to a specific
section in the reference text. Be sure to use the flowchart itself for your troubleshooting
path.
A
Perform power- up.
1 Power- on the oscilloscope.
A short time after the oscilloscope is turned on, the oscilloscope graticule is
displayed on the screen. The screen should look similar to the next figure. The
exact appearance may vary depending on the setup selected before the oscilloscope
was turned off.
Figure 5-2
Power-on Display Default (Graphical Interface Disabled)
2 Press the Default Setup key.
B
Check the display.
The display on the screen should be similar to the figure above. If there is no display
on the oscilloscope flat- panel display after power- up, go to the No Display Trouble
Isolation Flowchart otherwise go to step C.
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