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Re: Din sync problem with Tr-909

2006-02-08 by vliesgaard

Yeaha it works again.
I made the din sync output to sync only and that solved the problem.
Thanks everyone for the fast reply's

By Juur

--- In analogue-sequencer@yahoogroups.com, "Colin f" <colin@...> wrote:
>
> 
> I have my 909 permanently hooked to the P3 via DIN sync, and never
have any
> trouble.
> I do also have an 808 hooked up to, so maybe that makes a differnce...
> 
> In later P3s that have the SYNC socket wired for both MIDI and DIN
sync at
> the same time, it's possible that the MIDI data signal on pin 5
(which is
> the DIN continue pin) could be causing this problem.
> This data/continue pin does go low at the as the RUN line goes high,
since
> it is carrying the start and LSB bits of the MIDI start message, but
maybe
> the low pulse is too short and the 909 still sees a continue pulse
now and
> again.
> 
> On dual-wired units, you can configure the SYNC output to *only*
send either
> MIDI or DIN sync. This should resolve any problem.
> While turning on P3, hold step key 2 to select DIN sync only.
> Or hold step key 3 to select MIDI clock only.
> The setting will be written to EEPROM in the PIC, so should be
recalled even
> after a power cycle.
> Holding step key 1 should restore both MIDI and DIN output - though
for a
> few units this wont be stored in the PIC EEPROM due to a bug (oh,
how I hate
> PIC assembly...).
> If you find that's the case on yours, I can send you an updated PIC.
> In most cases, selecting MIDI or DIN alone should be all you need.
> 
> > HMMM   why dont you just send midi clock   out of the P3 to 
> > the 909?   that 
> > works like a charm :)
> 
> Not on my 909 - early units have known issues with MIDI clock.
> They can often end up out by a tick.
> 
> > i vaguely remember   having the 606 /808's   din out into   
> > the 909s   din 
> > in. . then   using the 909's   midi clock   to   drive the 
> > p3. . it held   
> > togtether. .
> 
> Using the 909 as MIDI clock master works well, but then you don't
have the
> ability to switch between pattern play and edit on the 909 without
stopping.
> With the 909 synced to P3, you can press stop manually on the 909,
select
> pattern edit, then restart it in time using FUNC+RUN on P3.
> 
> Best regards,
> Colin Fraser
> Sequentix Music Systems Ltd
> http://www.sequentix.com
>

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