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54615B Trigger Control Failure

Question asked by Lab-rat on Mar 27, 2012
Latest reply on Dec 21, 2013 by wonghoi
For the past few days I’ve been trying to locate a replacement keyboard P\N 54600-66052 for the HP54615B oscilloscope. Evidently Agilent dropped the support for this item in 2006 and no longer has replacement parts. 

I have narrowed the scope’s failure down to a single mechanical rotary encoder that is used for setting the trigger level via the front panel. The part has 9707 and 1-2-36 stamped on its rear cover. It is a 3-pin, 2 quadrature channel, 9 pulse per rotation, no detent, continuously rotating encoder. Is it possible to find the original manufacturer’s part number for this part or a functional replacement? It's a shame to mothball this scope over such a minor issue.

Thanks for any help you can give.  

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