How To Troubleshoot The Analyzer - Agilent Technologies 89410A Service Manual

Troubleshooting the Analyzer

How to troubleshoot the analyzer

How to troubleshoot the analyzer
1
WARNING:
aware of the hazards involved (such as fire and electrical shock).
2
3
1-8
Review ''Safety Considerations'' and
Service must be performed by trained service personnel who are
See Replacing Assemblies
disassemble and assemble the analyzer.
Determine which test to start with by comparing the analyzer's
symptoms to the symptoms in the following table.
Symptom
Screen blank
Screen grid is distorted or not displayed
After power up, >3 minutes before keys active
No response when key is pressed
Incorrect response when key is pressed
Fatal System Error Please Cycle Power message displayed
Fan not turning
Keys are active and screen grid is displayed but screen is
defective
Error messages
Calibration fails
Performance test fails
Intermittent failure
HPIB fails
Serial port fails
External monitor port fails
Parallel port fails
Sync out fails
System interconnect port fails
ThinLAN port fails
AUI port fails
Probe power fails
Oven reference fails
HPIB trigger fails
External trigger fails
''Troubleshooting
in chapter 3 to determine how to
Hints.''
Troubleshooting Test
Initial verification,
page 1-10
Display, page 1-25
Self tests, page 1-32
Trigger, page 1-83