Korg MS-20 power transformer, part 2

[The Old Crow]

  FYI, I went ahead and took the machine all the way apart and figured out
the rewiring.  The unloaded secondary showed about 42VAC (21VAC to the
center tap).  The primary showed a resistance of 136 Ohms for the original
240VAC configuration.  tinning up the extra primary leads and measuring
about, I got the following:

   yellow     orange     brown      black <--transfomer primary leads
     |__15 Ohm__|__80 Ohm__|__41 Ohm__|
     |          |          |          |
     |          |__115VAC__|          |
     |                                |
     |_____________230VAC_____________|


  The 80 Ohm orange-brown pair seemed to be close enough to 1/2 of the 136
Ohm yellow-black pair to test out on my Variac set to 115VAC.  Secondary
showed 42VAC unloaded.  After reassembly, the MS20 seems to be doing fine
on 115VAC off a power strip.

  Now to dig out the Greenlee and punch the rear chassis plate for a
standard power socket and a DIN-5 at some point.

Crow

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