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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: 3246251196 on November 16, 2017, 02:16:58 AM

Title: disk drive dead as the dodo
Post by: 3246251196 on November 16, 2017, 02:16:58 AM
I may have done something stupid... again.

I had amiga 1200 half naked. wanted to test out floppy drive which had always been a solid, good and nice healthy drive! anyway I forgot that the pcb of the fd is exposed at the bottom. I had the fd resting on the 1200 mb shield. I cannot remember count for count but I know at some point I turned the amiga on and I heard a single noise from the fd and from then until now it is just cold dead.

I have tested another drive and that works. I have re tested the borked drive using the same cables in the same orientation of the test drive and still dead. I don't know if I have shorted something on the pcb of the drive due to resting on shield or if I put in the 4 pin in the incorrect way on the mb or drive.  but I don't think I could have because they can only.fit in one way!

what is likely the issue? There was no burning aroma!
Title: Re: disk drive dead as the dodo
Post by: Oldsmobile_Mike on November 16, 2017, 02:22:32 AM
Any visible damage to the bottom of the PCB?  Try removing and inspect from both sides?
Title: Re: disk drive dead as the dodo
Post by: ferrellsl on November 16, 2017, 04:44:00 AM
Quote from: 3246251196;833194
I may have done something stupid... again.

I had amiga 1200 half naked. wanted to test out floppy drive which had always been a solid, good and nice healthy drive! anyway I forgot that the pcb of the fd is exposed at the bottom. I had the fd resting on the 1200 mb shield. I cannot remember count for count but I know at some point I turned the amiga on and I heard a single noise from the fd and from then until now it is just cold dead.

I have tested another drive and that works. I have re tested the borked drive using the same cables in the same orientation of the test drive and still dead. I don't know if I have shorted something on the pcb of the drive due to resting on shield or if I put in the 4 pin in the incorrect way on the mb or drive.  but I don't think I could have because they can only.fit in one way!

what is likely the issue? There was no burning aroma!


I did the same thing a few months back.  I had allowed the drive's PCB to ground on the Amiga's shield.  Checking the PCB, I couldn't find any burns or any place where the magic smoke might have escaped so I finally gave up and just replaced the dead drive with a PC drive that I modified for Amiga use.  Takes about about 15 minutes as long as you pick one of the very easy to modify PC drives.  I just had to solder a jumper wire, move an SMD resistor and and cut a trace.
Title: Re: disk drive dead as the dodo
Post by: stefcep2 on November 16, 2017, 10:49:39 AM
Quote from: ferrellsl;833203
I did the same thing a few months back.  I had allowed the drive's PCB to ground on the Amiga's shield.  Checking the PCB, I couldn't find any burns or any place where the magic smoke might have escaped so I finally gave up and just replaced the dead drive with a PC drive that I modified for Amiga use.  Takes about about 15 minutes as long as you pick one of the very easy to modify PC drives.  I just had to solder a jumper wire, move an SMD resistor and and cut a trace.

 
could you give a link to details of how to do this
Title: Re: disk drive dead as the dodo
Post by: Oldsmobile_Mike on November 16, 2017, 05:17:55 PM
Quote from: stefcep2;833213
could you give a link to details of how to do this

There's a ton of threads on that subject already:

http://bfy.tw/F4cv