RL02 weirdness

Dave Wade dave.g4ugm at gmail.com
Sun Dec 17 12:06:46 CST 2017

> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Aaron
> Jackson via cctalk
> Sent: 17 December 2017 17:56
> To: Aaron Jackson <aaron at aaronsplace.co.uk>; General Discussion: On-Topic
> and Off-Topic Posts <cctalk at classiccmp.org>
> Subject: Re: RL02 weirdness
> >> I wonder if you fell into the 'trap for the unwary' here. The heads
> >> are named by the direction they face. So the upper head, nearest the
> >> top of the drive, is the 'down' had as it faces down onto the
> >> platter. Similarly the lower head is the 'up' head. Yes, it confused
> >> me at first,
> >>
> >
> > I'm not sure, because the labels on the female connector says up or
> > down, as does the circuit board. So I connected them so up->up and
> > down->down, which resulted in this crash. So maybe the person who used
> > it before me fell into the trap you mention, failed to get it to work,
> > and then ended up with me in a none-working state?
> I just checked and it looks like they are in correctly. The head for the
> of the platter is labelled down, and the lower head is facing up. The only
> thing I changed is connecting up->up and down->down.
> So, I'm not sure. I cleaned the packs well a while back - I'm just hoping
> wasn't something left over which caused the crash.
> Thanks,
> Aaron.

If these are the ones you got from may I may have put the leads back the
wrong way round. :-(
I suspect they have been bounced about so much in my car they may be out of
I would see about checking the alignment before doing anything else...


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