At 4:56 PM +0000 1/23/07, John Hartog wrote:
>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
Thanks! A "group buy" special for all of us.
Lower Right Page 23. No converter before the "Charge Controller"
section that I can see. USB Power In disrupts +V from the DC input.
Isn't USB 5 volts? If so, looks like 4.8V is okay to me. Maybe
someone one could take a look. Rob D.
>
>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
>4.8 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/
>>
>>
>>
>
>
>
>
>"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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