Reusing old floppy *drives*

Tony Duell ard at
Wed Mar 24 16:05:08 CDT 2010

> On 24/03/2010 01:13, Chuck Guzis wrote:
> > On 23 Mar 2010 at 23:59, Pete Turnbull wrote:
> > 
> >> Interesting -- I'd not come across that, so I've just learned
> >> something new.  Any easy ones I should look out for?  I think I may
> >> have a use for that idea.
> > But if you're like me, I have buckets full of Teac FD235-HF and -HG 
> Yes :-)
> > The usual way of adapting these is to replace the S4 jumper with a 1K 
> > SMT resistor and jumper the S3 pads with a 0-ohm resistor. 
> Thanks for that -- I'm sure I'll find a use for it!

I am not sure it applies to all FD235s -- Teac are well-known for 
producing very different drives with slightly different model numbers (I 
can't rememebr how many toally different FD55s I've worked on...). The 
service manual I have for the FD235 doesn't explain the jumpers 
(annoyingly!), it just gives scheamtics where some of the jumpers just 
l;ink to pins on an ASIC. But it does show a 300/360rpm control input to 
_some_ of the spindle motor schematics, but not all of them.


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