11/45 lower regulator board

Tony Duell ard at p850ug1.demon.co.uk
Sun Mar 25 19:56:34 CST 2007


> Phew. Now that I have the entire regulator board out, I can visually see the 
> fuse F1 is clearly blown (and of course it tests open). I could just replace 
> it, but something obviously caused it to blow. Once I put a new fuse in if 

Well, IIRC, there's no current limiting in this supply. If F1 ahs blown, 
the fault could be a problem in whatever this supply is feeding (and not 
on this board at all). 

> it doesn't blow, what should I be looking for in that circuit? Also, 
> couldn't I just plug 20-30vac from a bench supply into this linear supply 
> and then check test points in the circuit? Given it's hard to reach 

Should be fine.

-tony



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