[sdiy] bit one

[Rude 66]

well, i disconnected the connectors and then put them together again, they
were not cleaned. they didn't look too dirty, though.. i've also noticed
there's a bit of flex in the top board when you push the connectors in.
could something like this be caused by a hairline crack somewhere?

what would be good to clean those connectors?

thanks!

ruud

----- Original Message -----
From: "Roman" <modular at go2.pl>
To: "Rude 66" <r.lekx at chello.nl>
Cc: <synth-diy at dropmix.xs4all.nl>
Sent: Friday, February 06, 2004 1:40 PM
Subject: Re: [sdiy] bit one


> Although you wrote you did reconnect the connectors,
> I can only say that my bit99 (sorry, no 01) had also
> strange problems. The *only* fix I made was to clean
> the dirty old connectors.
> Worked like a charm ever since
>
> Roman
>
> ---- Wiadomość Oryginalna ----
> Od: Rude 66 <r.lekx at chello.nl>
> Do: synth-diy at dropmix.xs4all.nl
> Data: Thu, 5 Feb 2004 19:14:38 +0100
> Temat: [sdiy] bit one
>
> >with all this talk of faulty mks70's, i'm having a bit of a similar
problem
> >with my crumar bit 01, that's the rack version with 'proper' midi. the
> >problem is that it sounds corrupted.. all sounds are out of tune, the
bare
> >vco's sound terrible, on patches with an open filter  it sounds like the
> >gate stays open after the env release closes, there's a continuous noise
but
> >on a lower lever as the patch itself.
> >all functions work: oscillator, lfo's, eg's and vcf are all there, as is
> >polyphony and midi. it started doing this one day, and i changed the
> >internal battery first, but to no avail. if i send it factory patches via
> >midi or tape (!!) they arrive corrupted, and it just always sounds sick.
so
> >it probably has nothing to do with a power-up spike voltage.
> >what could be going on here? i'd like to troubleshoot it as good as
possible
> >first before i let someone look at it..all parameters are there and
respond,
> >just not like they're supposed to. it almost sounds exactly like what i
had
> >on my earlier bit one keyboard version. the bit is a 6-voice mid 80's
> >italian polysynth, only known thing inside is 6 cem3328 vcf's.  could it
be
> >a problem with a memory chip? the connector from the front panel to the
> >board? i've pushed all chips in gently, and dis- and reconnected the
various
> >connectors. the synth never moves around much either. any leads or tips
> >would be appreciated..
> >
> >thanks!
> >
> >ruud
> >
> >
> >
> >
>
>