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

w.james.meagher at gmail.com w.james.meagher at gmail.com
Wed Jul 11 22:54:09 CEST 2012

Many thanks Tom. That gives me some confidence that I'll get the right part.


Sent from my iPhone

On 2012-07-11, at 3:50 PM, Tom Wiltshire <tom at electricdruid.net> wrote:

> On 11 Jul 2012, at 20:21, james meagher wrote:
>> So that's where I'm at. Now I have to order a replacement for VR802
>> and hope I'm selecting the right one. If I'm reading the schematic
>> correctly it says 47k, and in the parts list it says 3P 0.05W 104. I'm
>> sure that's enough to go on.
> "104" usually means 100K, e.g. "10" with "4" zeros after it.
> So there's a discrepancy there. 47K would be "473".
> I looked at the voice 1 schematic and the similar VR ("Sawtooth wave level") is VR102. The parts list gives this as 473 - a 47K.
> Beyond the actual value, pretty much any trimmer would do. Some will have the pins in the wrong place. Some will be cheap and have one rotation, others expensive and have lots of turns. But they'll all do the job.
> Tom

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