Electronics > Repair

FUG HCN 14-12500, High Voltage Power Supply repair

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HighVoltage:
I got this FUG HCN 14-12500, High Voltage Power Supply for free but it is broken and does not work at all.

This PSU can supply 12.5 kV at 1 mA, is "Made in Germany" and is very well built.

So, may be this repair is interesting for some people here at eevblog.

Symptoms so far:
- Does not turn ON
- Voltage regulator knob broken

When I opened it up, I saw the high voltage polarity switch broken. It looks like the instrument fell down.
So, I need to get a new plexiglass tube made first.
 


 

xrunner:

--- Quote from: HighVoltage on June 17, 2017, 05:48:09 pm ---I got this FUG HCN 14-12500, High Voltage Power Supply for free but it is broken and does not work at all.

This PSU can supply 12.5 kV at 1 mA, is "Made in Germany" and is very well built.

So, may be this repair is interesting for some people here at eevblog.

--- End quote ---

Absolutely will be interesting.  :popcorn:

vindoline:
It looks like a beautiful piece of gear. Looking forward to the story... :popcorn:

Armadillo:
Where it came from : Electrocution Chair?
Man I won't be playing with this thing.

Anyway careful and Good luck with your repair.

SeanB:
12kV 1mA, perfect low current supply for things like PMT units and electrophoresis use, but not going to do much more than give you a long lived respect for high voltage..

Now the 14kV 30mA neon sign transformers I have are a totally different thing, they are definitely capable of killing you if you are careless. They even have bare mains connections, using the same insulators and bolts as the high voltage side, but the one is a later unit with a interlock shroud over the HV and LV connections. The electronic one i rescued at the scrapyard has built in non replaceable wire leads input and output though, so it drives the display on the wall.

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