Power Designs 6050A

[Luap2]

I am in need of some Info to fix this. From the manual I need CR23 and CR24, Silicon Rectifiers part # TS44 or GI44 and CR25 a silicon controlled rectifier Part #C13F . As far as I can tell these are unique part # to Power Designs.  Any one know what can be substituted
that can be bought now days  or is there a PD parts X-over pub. some where  or where to get old/new PD parts

Thanks
Paul

[idpromnut]

From https://www.eevblog.com/forum/testgear/help-with-power-designs-6050c/, try a 1N4004. They look like "standard" basic switching diodes from the schematic. The only thing that you might want to check is that their forward voltage drop is  near 0.6V each (they look to be used to bias the base of Q18. Also, I noticed the nasty scorch marks around R58; that is part of the crowbar circuit. Makes me think that the supply took a nasty over voltage on the output.

[Luap2]

Idprmnut   Thank you for the help that takes care of cr23 and cr24 I thought/ hoped  they were a basic diode now for the cr25 the SCR maybe some one knows what can be used there
Luap

[idpromnut]

I have the manual for this model at home; I'll look up CR25 for you tonight.

[Luap2]

Got it working. Thanks to idpromnut