micro pdp11/83 power supply

[Waldemar Brodkorb]

Hi,

yes the smaller one with 0,22 microF X" is blown up.

Do you know where to buy these? 

best regards
 Waldemar

David Collins wrote,

> Check the mains filter x2 capacitor. 
> 
> Sent from my iPad
> 
> > On 13 May 2018, at 3:51 pm, Waldemar Brodkorb via cctech <cctech at classiccmp.org> wrote:
> > 
> > Hi,
> > 
> > I started to revive an old Micro PDP11/83 I have for over 12 years
> > now. It is fully assembled and last time I tried to start the
> > machine it some kind of started.
> > My biggest issue at the moment is the power supply.
> > 
> > After the machine is running for a while, let's say 10 minutes and
> > then when I poweroff, the power supply starts producing a lot of
> > dense smoke. The smell is very penetrant.
> > 
> > What can I do with the power supply? Do I need to exchange it
> > completely or just parts of it?
> > 
> > At the moment I removed it from the case like described here:
> > http://www.bitsavers.org/pdf/dec/pdp11/microPDP11/EK-MIC11-TM-002_MicroPDP11_Systems_Technical_Manual_Sep85.pdf
> > 
> > Thanks in advance for any starting hints,
> > Waldemar
>