Analogue-sequencer

Hi,

when connecting a synth at the Sync output, I get a 'MIDI
communication error' on the synth. I've got board v 1.5 and would like
the MIDI as well as the DIN sync option. So I soldered R36, R24, R25
and two diodes on D2 and D3, but omitted the resistors on D4 and D5.
Then I soldered ALL resistors and wire bridges on the I/O board. Is
this correct ?

When this problem persists, I'm happy to just use Midi sync...

> when connecting a synth at the Sync output, I get a 'MIDI
> communication error' on the synth. I've got board v 1.5 and would like
> the MIDI as well as the DIN sync option. So I soldered R36, R24, R25
> and two diodes on D2 and D3, but omitted the resistors on D4 and D5.
> Then I soldered ALL resistors and wire bridges on the I/O board. Is
> this correct ?

Standard MIDI interfaces shouldn't use pins 1 and 3 (the outermost pins),
and these are the only ones carrying DIN sync.
Does the sync output work with a different MIDI device for MIDI clock ?

Best regards,
Colin Fraser
Sequentix Music Systems Ltd
http://www.sequentix.com

No, my JV-1080 gave an error and my virus TI simply didn't care, no
reaction...So when I cut off the outermost pins of a MIDI cable, I'll
be fine ?




--- In analogue-sequencer@yahoogroups.com, "Colin Fraser" <colin@...>
wrote:
>
>  
> > when connecting a synth at the Sync output, I get a 'MIDI
> > communication error' on the synth. I've got board v 1.5 and would like
> > the MIDI as well as the DIN sync option. So I soldered R36, R24, R25
> > and two diodes on D2 and D3, but omitted the resistors on D4 and D5.
> > Then I soldered ALL resistors and wire bridges on the I/O board. Is
> > this correct ?
> 
> Standard MIDI interfaces shouldn't use pins 1 and 3 (the outermost
pins),

> and these are the only ones carrying DIN sync.
> Does the sync output work with a different MIDI device for MIDI clock ?
> 
> Best regards,
> Colin Fraser
> Sequentix Music Systems Ltd
> http://www.sequentix.com
>

> No, my JV-1080 gave an error and my virus TI simply didn't care, no
> reaction...So when I cut off the outermost pins of a MIDI cable, I'll
> be fine ?

It could be the JV1080 is giving you a spurious error.
If the TI can sync to a MIDI clock signal, you could verify the sync PIC is
working properly.
Breaking the outer pins from a MIDI cable would also ensure that the DIN
sync signals can't be causing a problem with the 1080, but it really
shouldn't be doing anything with those pins anyway...

Best regards,
Colin Fraser
Sequentix Music Systems Ltd
http://www.sequentix.com