To Troubleshoot Display Failures - Agilent Technologies 35670A Service Manual

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Caution
Troubleshooting the Analyzer

To troubleshoot display failures

To troubleshoot display failures
Use this test to isolate display failures to the A101 Display assembly, A102 DC-DC
Converter assembly, or A7 CPU assembly.
Step 1. Check the DC-DC Converter assembly.
• Set the power switch to off (
• Connect the voltmeter to A102 TP1.
• Set the power switch to on (
• Check that the voltage reads is 210 10 Vdc.
The Display assembly will be damaged if the voltage is at or above 235 Vdc.
• If the voltage is incorrect, the A102 DC-DC Converter assembly is probably
faulty.
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Agilent 35670A