RL02 Tracking

Josh Dersch derschjo at gmail.com
Mon Dec 21 17:16:06 CST 2020

On Mon, Dec 21, 2020 at 3:09 PM Jon Elson via cctalk <cctalk at classiccmp.org>

> On 12/21/2020 01:08 PM, Aaron Jackson via cctalk wrote:
> > Hi everyone
> >
> > I've posted a few times over the years about RL02 drives and my
> > difficulty getting them working (no luck so far!). I've spent the past
> > few days working on one of them and have made some progress.
> >
> > The status currently is that the heads will load, and the ready lamp
> > flashes as the heads wobble back and forth very slightly,
> I dropped an RL02 cartridge, and needed to get it to load
> one more time to get programs off it.
> The ready lamp was a dim, slightly flickering glow.  I
> figured the platter had been knocked off center.
> I loosened the bolts at tapped it a bit until it looked
> better centered.  It took a couple tries, but then the ready
> light came on fully bright, and I was able to mount the disk
> and read it.
> I don't know if that could be your problem.  If you get a
> solid servo signal with the motor disconnected, then this is
> not the same problem.

To add my two cents, I've also seen this behavior on RL02 packs that have
been degaussed.  It might be worth your time to find someone with a known
working RL02 drive (or known working RL02 pack) so you can confirm that
your packs are good.

- Josh

> Jon

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