HP is NOT perfect. I have a 5519A LaserInterferometer head which was acting up. They are distinctly non-trivial to fix. Anyway, this one had a critical feedback detector that had NEVER been soldered to the PCB.
Moral: Look for the simple faults first. -John ============= > I was recently having trouble with one of the 54002A input pods on my > 5372A. It was occasionally being recognized as a 54001A pod. I took it > apart and found that 7 of the 8 solder joints between the circuit board > and the connector at the back of the pod were bad. I checked my other > pods and they all had at least one bad connection.. All the pods > worked, but gave weird results when making low-level measurements. > After I resoldered them the strange readings disappeared. Imagine > that! :-) > > Ed _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
