[time-nuts] Oscilloquartz 3210 Cesium Standard

Adrian Constantinescu adrian.valentin.constantinescu at gmail.com
Mon Sep 8 10:58:06 EDT 2014

I have a OSA-5585 cesium PRS and it is not working.
On the local manager i have a cesium module alarm. I opened it and found out 
that the high power module that drives the cesium oven is not working because 
it doesn't receive the correct voltages. Instead of 10 and 24 volts it only 
gets 8 and 13 volts. So i pulled out the power board and found out all the 
capacitors were bulged. I replaced all of them with the corresponding values 
and now i have 0 volts on its output and some smoke coming from a diode on the 

Does anyone have some schematics for this unit, or could at least help me with 
the connectors on the power board? I found the output connectors that should 
deliver the 10 and 24 volts but i don't know what the inputs are. If i can find 
out what the inputs are then i could debug the board easier.

Please excuse my writing, english is not my native language.

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