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Re: Powering Sony MZ-NH900 with 4.8 volts

Subject: Re: Powering Sony MZ-NH900 with 4.8 volts
From: "John Hartog" hartogj
Date: Tue Jan 23, 2007 8:59 am ((PST))
Rob,

Before you buy one:  There is a service manual for the rh10 at
minidisk.org.

http://www.minidisc.org/manuals/sony/service/MZ_RH10_sm.pdf

I haven't had time to weed through it yet.

John Hartog



--- In  Rob Danielson <> wrote:
>
> One would think problems would have surfaced by now. A Service Manual 
> with schematic might help determine what is in the power adapter DC 
> input circuit.  Here's one for the mz-nh700
>
https://www.manualsparadise.com/ShowProductsForModel.do;jsessionid=B35307F42D98FA3573E9EAB0D907AE5E?source=esi&target=mznh700&model=M74876374
> 
> I'll see if the tech dept wants to order one. Rob D.
> 
> 
> At 6:59 AM +0000 1/23/07, John Hartog wrote:
> >Phil,
> >Now rereading your original post, I see I overlooked you mentioning
> >measuring 3.5 V on your power adapter.  So I went back and remeasured
> >mine.  The one I originally measured at 5.1V (model AC-ES305)I think
> >came with my older MZ-N707 MD (not a HiMD). The one that came with the
> >HiMD RH10 (AC-ES3010K2) measures 3.4V, and the one that was supplied
> >supplemental to the MZ-NH700 (AC-E30A) measured 3.3V.
> >
> >I was making my assumptions about HiMD powering based on an older
> >power supply, and I appologize for steering anyone wrong. 
> >
> >John Hartog
> >
> >
> >--- In  "macmang4125"
> ><macmang4125@> wrote:
> >>
> >>  Looking at Rob Danielson's excellent site I saw John Hartog's
Message: 4.
Subject: 8 volt
> >>  sled. Before I go and plug 4.8 volts into my NH900 I would like
> >>  reassurance that this is OK. As measuring the volts out of the power
> >>  supply they are 3.5 volts, the extra 1.3 volts should not be a
> >>  problem. But I would hate for them to be my 'famous last words' :-))
> >>
> >>  Phil
> >>
> >
> >
> >
> >
> >"Microphones are not ears,
> >Loudspeakers are not birds,
> >A listening room is not nature."
> >Klas Strandberg
> >Yahoo! Groups Links
> >
> >
> >
> 
> 
> -- 
> Rob Danielson
> Peck School of the Arts
> University of Wisconsin-Milwaukee
> http://www.uwm.edu/~type/audio-art-tech-gallery/
> 
> 
>






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