Hi,
I had the same problem a few years ago. What kind of advice are your
searching for to that "usual" failure?
Regards,
VS
----- Original Message -----
From: "Stewart Cobb" <[email protected]>
To: <[email protected]>
Sent: Monday, May 09, 2016 11:47 PM
Subject: [time-nuts] PRS10 rubidium lamp module failure
R901, on the far right, is shown on the schematic as "air heater". It
apparently got hot enough to create a localized thermal runaway in its
lead
wire. There was ample evidence of arcing. A half-melted bit of wire fell
away before I could take the picture. Without that heater working, the
lamp is apparently too cold to start.
Cheers!
--Stu
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