[sdiy] Also re:Akai VX-90, what's A6082S chip?

[Graham Atkins]

Bob,

Is there any other manufacturers mark on the package ?. I always find  
this usefull :-

http://www.advanced-tech.com/ic_logos/ic_logos.htm

Graham

On 10 May 2009, at 04:09, Bob Weigel wrote:

> A6082S...I"m assuming probably a symmetrical op amp package but I  
> can't find any hits.  Maybe the first symbol isn't really an A but a  
> mfg code.  Hard to tell.  Anyone got a line on those and I'll update  
> the web page on it for future wanderers...  I quickly glanced and  
> the outputs of al the chips go to dual op amps for the current to  
> voltage conversion of course and then out to who knows where.  There  
> are two 13600's on board also.  Final vca and?  Anyway again let me  
> know if anyone finds the service docs around.. -Bob
>
> Bob Weigel wrote:
>
>> I see a lot of owners manual links... I have one that gets stuck in  
>> the auto-tune mode when you hit the button and it sounds like noisy  
>> crud when you play a sequence to it.  Probably why it won't tune.   
>> I imagine it's a problem with whatever is mixing the CEM3394 outs  
>> and I can probably figure it out tracing things fairly easy but  
>> wondered if anyone had on top where one might get schematics.  I  
>> put my ax73 on ebay and I'm going to try to fix the module since I  
>> dont't really need another big keyboard in the way here :-). -Bob
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