[time-nuts] Datum Efratom LPRO Rubidium Lamp removal

frank at timebone.net frank at timebone.net
Sun Jan 6 10:11:45 EST 2008

AFAIK an LPRO's lamp wasn't replaced before.
The root case is typically not just the lamp,
and there is a chance to damage the unit.
It seems Symmetricom is able to repair/swap a LPRO for >2k euro.
You may lookup their EMEA repair center contacts.
Alternativly you may check out used equipment offers, with LPRO build in.
-------- Original-Nachricht -------
> <snip> any experience in replacing the lamp on an
> LPRO rubidium oscillator? 
> I have two LPROs, one working and another which reads "lamp volt" = zero.
> I feel it is not a matter of lamp, as the lamp housing doesn't heat (it
> should). I would try swapping the lamps <snip> for diagnosis,
> at least to know if I could rely on a spare lamp from the faulty unit,
> <snip>
> I would like to know if this could damage it. 
> By the way, does anybody have the schematics of LPRO? 
> Thanks, 
> Antonio I8IOV 

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