To Troubleshoot Front-End Control Failures - Agilent Technologies 89410A Service Manual

Troubleshooting the Analyzer

To troubleshoot front-end control failures

To troubleshoot front-end control failures
Use this test when a control path test fails or an assembly is not found.
1
Digital Source
Self-test Result
PASS
PASS
PASS
FAIL
Locks up
analyzer
1-60
Check the digital source.
a
Set the power switch to on ( l ).
b After the power-up routine is finished, press the following keys:
]
[System Utility
[auto cal off]
]
[more cal setup
[
auto zero cal off]
]
[Return
]
[more
[ diagnostics ]
[ service functions ]
1125
[ ]
enter
[ ]
test log
[ Return ]
[ functional tests ]
[ digital source ]
c Determine the probable faulty assembly, next step, or test by
comparing the self-test results to the following table.
Power-up tests
Additional hardware information
Two channel analyzer:
Channel number Control Path test failed
Channel number Front End not found
Single channel analyzer:
Channel 1 Control Path test failed
Channel 1 Front End not found
Internal Control Path 3 open
Unable to write/read Internal Control Path
3
Unable to read Internal Control Path 3
Unable to program Source DC offset
Probable Faulty Assembly,
Next Test or Step
Two channel
analyzer,page 1-75
Step 2
A35 Analog Source
A30 Digital Source
Step 2