Electrolytics "blow up"

[Bill and Edna]

Mike..

Thank you.  I checked that 330 ohm resistor and it is a zero-or-so ohm one.  One step
closer to my producing QRM.  I also blew out the Drive Potentiometer...but that's another
story.

tnx es 73

Bill,  K3OBB

mike bryce wrote:

> Bill....
>
> Check the 330 ohm 5 watt resistor in the power supply. This resistor in one
> of the voltage dividers can go kaput. The result in over 650 volts on the 40
> mf cap instead of the 310 or so volts that is supposed to be there.
>
> mine unit did the same thing, replaced the cap, (thought it was bad) and the
> new one when up in smoke.
>
> by the way, I used a high voltage radial cap. I mounted in place of the 40
> mf unit. Take the old one out of the socket,but leave the paper socket in
> place. A glob of RTV will hold the new cap in place. Looks kinda strange, as
> the new one is only a inch high, the old one is a bit higher than 5 inches.
>
> Mike Bryce, WB8VGE
> SunLight Energy Systems
> "Electricity at the speed of light"
>

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