[sdiy] tr 707 question

[Eric Wood]

Do you have a part number for the AC input jack?

Sent from my iPhone

On Aug 28, 2010, at 4:13 PM, Stewart Pye <stewpye at optusnet.com.au> wrote:

> Damien,
> Do you have the service manual?
> 
> The rimshot trig out actually comes from a separate pin on the micro, however there is a separate trigger signal for each voice that goes to the envelope generators. They are standard analogue decay EG's so you should get a trigger pulse right at the beginning of each sound. I think it will be a negative going pulse. I'd replicate the EG circuit but without the decay cap so that the Accent level varies the trigger level and you get a positive going pulse.
> 
> The copy of the manual I have is a bit blurry, but you should be able to take the signal from the outputs of IC27 and IC28.
> 
> I guess I should go open up my 707!
> If you really want to hack the 707 you could put a decay pot in for each voice and take the outputs from the envelope generators!
> 
> Cheers,
> Stew.
> 
> 
> cheater cheater wrote:
>> Hi guys,
>> is it possible to get analog gate or trigger out of the 707 for the
>> separate sounds? I don't mean through midi, the timing isn't good
>> enough that way. I think it could be possible to intercept the
>> communication to the memory, to find out when the 707 is reading off
>> the beginning of the samples.. right?
>> 
>> Cheers,
>> D.
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> 
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