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Chapter 5: Troubleshooting
To troubleshoot the instrument
5–5
Primary Trouble Isolation Flowchart
Primary Trouble
Isolation
Perform Power-Up
Check Display
Display on
Screen?
Run Scope Self Tests
Scope Self-Tests
Pass?
Check Front Panel
Response
Front Panel
Response OK?
Run Knob, Key, and
LED Tests
Knob, Key, and
LED tests pass?
System Works; Run
Self-Calibration; Do
Performance Tests
End
Yes
Yes
No
NoYes
Yes
No
No
A
B
C
D
E
F
Go to No Display
Troubleshooting
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Troubleshooting
Keyboard
Troubleshooting