[sebhc] 12V supply for Disk Drives question

[Carroll Waddell]

Mark Garlanger wrote:

> With a little effort, I was finally able to get to the back of the
> power supply board to replace the blown capacitor in my Z-37 case.
> Now, without a load, the 12V line is reading only 11.6 V. Is this
> within spec, or does it look like the voltage regulator (or maybe one
> of the other capacitors) need to be replaced? I've check the voltage
> going into the 12V regulator, it's almost 21V which should be fine,
> since the manual shows that it should be 18V.
>
> Thanks,
>  Mark
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>
11.6 might be ok. That's about 3% off. But if you have trouble still, 
I'd look for any AC ripple on the DC voltage. Use an AC meter or a scope.
Carroll
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