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HP 3336B blank display

Question asked by daver76 on Jan 8, 2014
Latest reply on Feb 6, 2014 by daver76
Unit was working fine.  Hadn't powered it up in about a month and when I did the led displays (numeric and led) were all blank.   Checked +5v, +15v and -15v power supplies for level and ripple and all were fine.  Checked that +5v was getting to front panel display and it was.   Looks like something on the processor board?  Any suggestions where to start?

Edited by: daver76 on Jan 19, 2014 11:50 AM