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Re: [analogue-sequencer] Re: Problem with step 13

2004-01-19 by Robert van der Kamp

On Monday 19 January 2004 13:56, colinfraser_com wrote:
> > Apart from some women's underware stuffed between the
> > pot boards, it looked identical yes.
>
> I wondered where they'd gone...

She looks nice. Say hello for me.

>
> > Okay, I removed the two ICs from the upper potboard
> > (the one printed 'Upper potboard', with no luck. Then I
> > also swapped the ICs on the lower board. No luck
> > either. I get the same repeating events from step #13.
> >
> > Are there other options?
>
> If moving the ICs leaves the problem in the same place,
> then the problem is either on the pot itself, or the PCB.

If it's the pot, we would have 2 bad pots now.  Both pot #9 
and #13 are still involved. Isn't it very unlikely to have 
two bad pots? 

> Either could be affected by shock or dirt during
> shipping, although I would think it more likely the pot
> has the problem than the PCB. How's your soldering ?

That's fine I guess. I'm building a MOTM modular system. Is 
that good enough?

> I can post you a couple of spare pots to try replacing
> them. Until then, you could prove conclusively whether
> the pot is at fault by swapping pots on the same board.

Okay, I'll try that. But before I do, I'll do the chip swap 
yet another time, just to be sure.

- Robert

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