[time-nuts] Datum Efratom LPRO Rubidium Lamp removal

iovane at inwind.it iovane at inwind.it
Thu Jan 3 12:41:11 EST 2008

Hi all, 
does anybody out there have 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 between the two units for diagnosis, at least to know if I could rely on a spare lamp from the faulty unit, but before attempting to loose the bolt which holds the lamp into its housing I would like to know if this could damage it. 
By the way, does anybody have the schematics of LPRO? 
Antonio I8IOV 

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