13.8v 20a linear power supply

Thread Starter

Martyk

Joined Jul 23, 2009
25
Hi all

I am trying to find a schematic for my 13.8v 20a linear power supply.
All the versions I've found on the net have an IC voltage reference.
Mine has only discretes.

This is what it looks like:
Goldsource photo.jpg

Any servicing info would be appreciated.
Thanks
MartyK
 

Papabravo

Joined Feb 24, 2006
18,456
Some IC voltage references actually look like discrete components. Have you taken an inventory of the components that you can identify? Which IC voltage references are you seeing on the schematics that you are finding?
 

Thread Starter

Martyk

Joined Jul 23, 2009
25
Hey PB, thanks for the quick reply.

There is:
2 .. BJT S9013
1 .. BJT S9014
1 .. power transistor D313

Looks like I'll have to make my own schematic :-(
At least it's only a single-sided board.

Regards

20220116_150644a.jpg
 
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