Re: [sdiy] bit one

[Roman]

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
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