[sdiy] M5320L voltage regulator incorrect outputs

anthony aankrom at bluemarble.net
Sat Mar 1 15:53:25 CET 2008


Speaking of this regulator, does anyone have a datasheet? I have one, but 
don't quite know how to use it. I can get a pretty good idea from the 
schematic of the Roland MKS-20 (I think that's the one) schematic.

> On Fri, Feb 29, 2008 at 06:04:40PM -0800, Gil W. wrote:
>> I'm trying to figure out whether the non-accurate
>> voltages are caused by a bad (or old) M5230L, or other
>> component at the area ... any help ?
>
> It is funny that it seems a diode drop away from the correct value, but I
> don't know how to intepret that knowledge given the schematic. Maybe the
> input voltage to the regulator board isn't what you think it is?
>
> I'd also measure R3, R7, R4, and R5 to see if they are indeed within 1%
> of their values.
>
> -pete
>
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