[time-nuts] Need - PRS10 magic smoke
paulswedb at gmail.com
Mon Jun 13 19:25:50 EDT 2016
Good pictures and yes the smoke did get out.
Can't tell on the bulb is it cracked pr blackened.
Other then that looks pretty repairable. Its interesting that they put a
resistor near the excitation coil. Is that a way of getting feedback for
On Mon, Jun 13, 2016 at 6:32 PM, Skip Withrow <skip.withrow at gmail.com>
> Hello time-nuts,
> Well, broke out a PRS10 that I had put away for a project some time ago and
> upon power up found that it had issues. Status indicated low lamp output
> and high lamp temperature. Duh! Upon removal of the lamp assembly it
> became abundantly clear that the magic smoke had gotten out.
> If I recall correctly, seems like there was another PRS10 with corrosion
> issues in the same area. My guess is that the heat does not help this
> situation. I suspect that I may have a full-on heater, which may have
> caused the tantalum cap (and possibly other) failures.
> Looks like this may be the weak spot in these oscillators. I'm very
> hopeful that a rebuild will bring it back to life.
> Thought you would enjoy the pictures though. Two are attached.
> Skip Withrow
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