Scott 388 Blowing Fuses - rectifier?

[pfejr]

Scott 388 Blowing Fuses - replace bad diodes with???

Hi,

Scott 388 Receiver is blowing main fuse. Service manual suggests various possibilities included shorted diodes, output transistors, etc. I've replaced the output transistors and rebuilt the driver boards. 2 diodes test bad. Service manual specifies these diodes as SR-2-50. Can anyone suggest a suitable replacement? I've put in a link to schematic and diodes for reference. Would these be 2amp 50v diodes. Anything special about them?

http://www.pfephoto.com/misc

Thank You!

Frank

 

[pfejr]

any further info I can give to help?

 

[mibag6]

I don't think there's anything unusual there, aside from the mount. 2A 50V, you can go higher on either value especially voltage, that should give you a lot more options.

 

[petehall347]

= or higher spec stud mount rectifier diodes will do ...just don't forget to insulate them from the chassis

 

[pfejr]

thanks! any reason to stick with a stud mount?

 

[pfejr]

how about something cheap and common like: 1N5404?

 

[petehall347]

how about something cheap and common like: 1N5404?

yep they will work .
i just like to keep things original if i can .

 

[david24x7]

Hi Frank. Did you find some new diodes?

My Scott 299-T is having same problems. Transistors are good. I'll test the diodes tonight to see if they are bad. If they are, just wondering where you got replacements.

Thanks,
David