iam facing problem with HP 8594A spectrum analyser .
please can anyone help me to trace the defective module in the unit
vjsilva1 is right, it is very difficult to troubleshoot these systems at the component level over the forum. I recommend that you call the support number found by clicking the "Contact an Expert" button on the top right of the product page:
Then, use one of the contact options listed under "Technical Support"
What's the problem? You realize it's very difficult to debug an instrument over email.
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