Re: 1541-II mechanisms

From: Gerrit Heitsch <>
Date: Sun, 14 Sep 2014 20:03:15 +0200
Message-ID: <>
On 09/14/2014 07:35 PM, wrote:
> On 2014-09-14 at 17:34:18, Gerrit Heitsch ( wrote:
>>>> Do we know exactly what all types of mechanisms the 1541-IIs were
>>>> equipped with? Were there more than one type (as with the older 1541s)?
>>> I believe there were at least two - one direct drive, the other
>>> belt-driven.
>> Yes, I have one of each. The belt driven one is Newtronics/Mitsumi, the
>> direct drive is Chinon. The latter is the one where the disk pops out a
>> bit when unlocking the drive.
> It's probably the other way around as those I have here are direct driven and the disk doesn't pop out.

Check the mechanism then, might have gotten stuck.

>> You can replace one with the other, but you need to move the bezel as
>> well for everything to fit.
> Meaning CBM had to design *two* different bezels..

They did... I once had to take 2 defective 1541-II and make one working 
one out of them. That's when I noticed it.

> I need to dig deeper then - maybe I can find a belt-driven one and compare. If I don't find - then I'll ask for a hi-res picture of the belt-driven one.

The belt driven one looks to me like the one used in the 1541C, just 
with a different bezel and different wiring.


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Received on 2014-09-14 19:00:33

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