[time-nuts] Help with my HP107 crystal oscillator...

Brian Kirby kirbybq at bellsouth.net
Sun Mar 6 01:54:32 EST 2005

If the base oscillator is the HP10811, you may check 
http://www.realhamradio.com/GPS-oven-journey.htm, which shows one model 
that uses a double oven. 

Chuck Harris wrote:

> Hi gang!
> The time has come to repair my HP107 crystal oscillator.  It
> has drifted out of range, and the course frequency adjustment
> has frozen up inside.
> So...
> Does anybody have any experience with disassembling HP107 oven
> units?
> So far, it has been a real piece of work...  I can't be sure when
> I should yank, and when I should tread softly.  It sure wouldn't have
> hurted much if HP would have provided instructions for disassembly
> of the oven unit, but I guess they thought that would be too hard
> for mere mortals.
> I cannot imagine why they gave us the schematic of the innards
> if they weren't expecting that some day  we might need to
> explore that region.
> Thanks!
> -Chuck Harris
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