[sdiy] Russian divider chips..
sounddoctorin at imt.net
Tue Oct 23 23:31:14 CEST 2012
On 10/23/2012 12:40 AM, cheater cheater wrote:
> What are you repairing.. an alisa maybe?
> On Tue, Oct 23, 2012 at 4:36 AM, Ove Ridé<nitro2k01 at gmail.com> wrote:
Oh sorry I should have said, the creature is called an Elektronica
EM-14...which appears identical save color to the EM-141 on ebay right
now. The only mention on google of the EM-14 I see is the russian synth
site and the one I bought on matrix synth :-) So it's probably very
rare in the states anyway.
Hopefully we'll get some more info. There are three divides and some
chips with 145 and 155 in them on what is no doubt the generator board.
There are some signals there and some of them get to the divider boards
but I don't think anything on the divider board is doing anything at the
moment. The power supply is wired for 120 I believe. There is a
xformer with two coils in it appears. Wound around opposite sides of the
permeable "O". AC comes into one side but is then jumped over to the
other coil. The other side of the first coil attaches to nothing. The
other coil's other wire is the other AC wire. I'd think if it were
wired for 220 like it says it would have a series arrangement of the two
Anyway the voltages look like ones you'd expect..15, 5 and 0 so I
dunno. I'm afraid to jack it up to 220 :-). Not sure someone already
didn't like I say. Only the front end caps appeared bad which I replaced.
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