[sdiy] TR-606 stuck on one step patterns?

[Adam Inglis]

Tom did you get anywhere with this?

Are you able to clear the single step of all voices, and write new  
ones? Then change the pattern number, come back and see if those same  
voices are there?
May distinguish between a  CPU and a RAM issue..
On 05/12/2010, at 1:40 AM, Tom Bugs wrote:

> I wondered if anyone could suggest any pointers for this TR-606  
> trouble:
>
> I got the machine in busted state a good few years ago - the back  
> of the case / battery box a bit broken up and with small damage to  
> the PCB corner near the power entry. After a few resurrection  
> attempts I got it working again and it has been happy for a few  
> years. I've not used it now for a few months, but when I came back  
> to it again it has developed a problem - Run/Stop works fine, as  
> does pattern select and the drum voices, but all patterns are stuck  
> to 1-step lengths. The Function button (SW7 on the switch sub- 
> board) does appear to be good, but I'm a bit stumped from there.
>
> If anyone has any pointers or experience with such a problem it'd  
> be great to know. Dead CMOS? Dead central CPU? Electro cap problems?
>
> Thanks in advance for any help possible.
> Tom
>
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regards
Adam Inglis
http://www.adambaby.com