[sdiy] Akai AX80 weird PWM behaviour on Voice 8 when Saw wave enabled

[Bob Weigel]

On 7/8/2012 1:38 AM, Veronica Merryfield wrote:
> Welcome to the list James!
>
> On 2012-07-08, at 12:23 AM, james meagher wrote:
>
>    
>> looking most suspiciously at IC704 (a 14 pin TC4011BP) and somewhat
>> less suspiciously at IC802 (an 8 pin NJM4558D). I'm suspicious of
>>      
> 4011 is a quad two input nand chip. TC is the manufacturers code and BP is the type family.
> The NJM4558D is a high current output op-amp.
> Mouser should have both but from memory DigiKey don't carry the NJM4558 part.
>
>    
>> Again, if anyone wants a PDF copy of the AX80 Service Manual feel free
>> to give me a shout. It's not the best PDF of an old service manual,
>> but it's quite legible.
>>      
> Send it over.
>
> Veronica
>
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>
>    
If anything is unclear I have a good hard copy also

Haven't heard the problem you're talking there and too tired to figure 
it out til I finish some projects here.

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