Edo, I was able to disassemble my original drive and carefully clean the transport rod that the head goes on. It was full of dried lubricant, acting like glue. Rob edo_arengi wrote: > Hi all! > > It's me again! I found some info regarding my problem searching the forum: "Lh" means "locked head" so my floppy drive is probably gone. > What a great forum! I am happy to have a Prophet VS and now this new 2002, I hope to get it up and running :-) > > Edo > > > > --- In prophet2000@yahoogroups.com, "edo_arengi" <edoardo.arengi@...> wrote: >> Hi! >> >> I just joined this group. Today I got an used 2002 and unfortunately I have problems with the floppy drive. But istead of getting the "nD" message I get again and again a bliking "Lh" message. If I i.e. choose to format a floppy I put into the drive, the drive gives a spin, the red light lights for 1 second or so and I get that "Lh" on the screen. >> >> Any idea? >> >> Thank you! >> >> Edo >> >> >> >> --- In prophet2000@yahoogroups.com, Rob Miller <dpc318@> wrote: >>> Well, I replaced the 7406 buffer chip between the floppy controller and >>> the drive, and while the individual logic is better on the chip, it >>> did not resolve my "nD" issue. >>> >>> My drive seems to be spinning all the time while a disk is in it, >>> with the red LED on. Is this normal? I don't remember. >>> >>> Rob >>> >>> Henrik wrote: >>>> >>>> >>>> It was a temporary problem on mine. Now it works again. >>>> >>>> --- On *Tue, 10/13/09, Rob Miller /<dpc318@>/* wrote: >>>> >>>> >>>> From: Rob Miller <dpc318@> >>>> Subject: Re: [prophet2000] Re: Nothing but "nd" >>>> To: prophet2000@yahoogroups.com >>>> Date: Tuesday, October 13, 2009, 3:03 AM >>>> >>>> >>>> >>>> Well, I might be making some progress. There's a "buffer" chip, a 7406, >>>> that's identified as U201. It sits between the floppy controller and >>>> the header P202. On two of the hex inverted pairs they don't seem to >>>> be inverting the signals. Namely, pins 1/2 and 3/4. >>>> >>>> Does anyone have a clean copy of the schematics? I'm having a hard >>>> time ready what each of the pins do on the online version. This is >>>> on what appears to be drawing SD 2000-2. >>>> >>>> This is a very inexpensive part, so I might just pull it, socket >>>> a new one, and try. >>>> >>>> Rob >>>> >>>> Henrik wrote: >>>> > Same problem here too. >>>> > >>>> > --- On Thu, 10/8/09, j. aaron <tomkah@yahoo. com >>>> </mc/compose?to=tomkah%40yahoo.com>> wrote: >>>> > >>>> > From: j. aaron <tomkah@yahoo. com >>>> </mc/compose?to=tomkah%40yahoo.com>> >>>> > Subject: Re: [prophet2000] Re: Nothing but "nd" >>>> > To: prophet2000@ yahoogroups. com >>>> </mc/compose?to=prophet2000%40yahoogroups.com> >>>> > Date: Thursday, October 8, 2009, 10:51 PM >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > ive experienced this same problem >>>> > >>>> > the original 2002 drive died, so i picked up a suitable >>>> replacement on ebay >>>> > >>>> > making sure the jumpers were correctly aligned >>>> > >>>> > same thing, ...drive powers up, disc takes a spin and then 'nd' >>>> > >>>> > since that drive only cost me $10, i decided id try buying another >>>> > >>>> > suitable replacement off ebay (different model than the first), >>>> that i also jumper configured correctly and got the the same result >>>> ...'nd' >>>> > >>>> > i tried switching things around a bit but sort of gave up on it >>>> at that point >>>> > >>>> > im still over $40 ahead of the $70 whine country wanted for a new >>>> one, >>>> > >>>> > so i figured eventually ill try getting another one off ebay sometime >>>> > >>>> > and repeat the process, but i really couldnt find a reason why >>>> those drives werent functioning >>>> > >>>> > this discussion has rekindled my interest in getting my 2002 >>>> going again >>>> > >>>> > i put a ton of work into sampling back in the late 80's/early 90's >>>> > >>>> > and id like to revisit some of those sounds >>>> > >>>> > ...heres hoping help arrives! >>>> > >>>> > -yeller >>>> > >>>> > >>>> > >>>> > --- On Thu, 10/8/09, Rob Miller <dpc318@sbcglobal. net> wrote: >>>> > >>>> > >>>> > >>>> >> From: Rob Miller <dpc318@sbcglobal. net> >>>> > >>>> >> Subject: Re: [prophet2000] Re: Nothing but "nd" >>>> > >>>> >> To: prophet2000@ yahoogroups. com >>>> > >>>> >> Date: Thursday, October 8, 2009, 12:06 PM >>>> > >>>> >> I didn't change the jumper on the >>>> > >>>> >> factory drive that selects DS0, and >>>> > >>>> >> the replacement from WC doesn't have any. The power >>>> > >>>> >> cord has to flip >>>> > >>>> >> between the stock and the replacement (and the >>>> > >>>> >> replacement instructions >>>> > >>>> >> indicate so). I have flipped back and forth the data >>>> > >>>> >> cable, since there >>>> > >>>> >> is no real keying to it. >>>> > >>>> >> I hope it's not the driver chip. I can replace >>>> > >>>> >> it, but it should would >>>> > >>>> >> be easier not to. The drive spins up on power up, but >>>> > >>>> >> doesn't seem to >>>> > >>>> >> seek when I try to move data to/from it. >>>> > >>>> > >>>> >> I'll keep poking around and see if I can get the right >>>> > >>>> >> combo working >>>> > >>>> >> now. I appreciate the forum's help! >>>> > >>>> >> Rob >>>> > >>>> > >>>> >> duncan wrote: >>>> > >>>> >>> have you got the jumpers in the right place on the >>>> > >>>> >> drives? I hope when you say "flipped" you don't mean >>>> > >>>> >> "reversed".. .. I killed a floppy drive doing this by >>>> > >>>> >> accident. >>>> > >>>> >>> the floppy disc driver chip is fairly standard, I >>>> > >>>> >> think, but would be a tricky job to replace.... >>>> > >>>> > >>>> >>> I have the boards from my 2000, which had a dead >>>> > >>>> >> keyboard controller (which WC couldn't help with- it was a >>>> > >>>> >> custom IC)... let me see if I can locate anything useful on >>>> > >>>> >> them for you, & let me know how you get on. I have to >>>> > >>>> >> strip some bits off them for another forum member whose >>>> > >>>> >> patience must be running out by now.... :-/ I've been a bit >>>> > >>>> >> busy this year.... >>>> > >>>> > >>>> >>> --- In prophet2000@ yahoogroups. com, >>>> > >>>> >> Rob Miller <dpc318@> wrote: >>>> > >>>> >>>> I'm hoping I can get some help here.... >>>> > >>>> > >>>> >>>> My 2000 is now running 4.3b with a brand new >>>> > >>>> >> drive...but it STILL >>>> > >>>> >>>> gives me "nd" (no disk) whenever I try to do >>>> > >>>> >> anything with the >>>> > >>>> >>>> drive. I can't read factory disks on power >>>> > >>>> >> up, nor can I load >>>> > >>>> >>>> single sounds, and I can't format a disk. I >>>> > >>>> >> get the same "nd" >>>> > >>>> >>>> every time. >>>> > >>>> > >>>> >>>> I've flipped the drive cable, and now have two >>>> > >>>> >> drives (original >>>> > >>>> >>>> and WineCountry new one) and they perform the >>>> > >>>> >> same. >>>> > >>>> > >>>> >>>> Rob >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> >> ------------ --------- --------- ------ >>>> > >>>> > >>>> >> Yahoo! Groups Links >>>> > >>>> > >>>> > >>>> >> mailto:prophet2000- fullfeatured@ yahoogroups. com >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> >>>> >>>> > > > > > ------------------------------------ > > Yahoo! Groups Links > > > >
Message
Re: [prophet2000] Re: Nothing but "nd"
2009-10-22 by Rob Miller