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HP 83630B

Question asked by ColinH on Oct 14, 2013
Latest reply on Oct 15, 2013 by jlubecky
Am stumped trying to fix HP 83630B, self test complains A12 YTM Tune in LO Band. 
It seems to actually operate ok (e.g. I get output),
I see the UNLEVELD message in a small range range of frequencies.
Troubleshooting manual not very helpful so far - just suggests it needs a new A12 board.
Am looking for CLIPS, and suggestions on what to look at?  

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