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  1. The problem I had was with a dead CRT8002 - the...

    The problem I had was with a dead CRT8002 - the machine was not displaying anything at all but would boot just fine from floppy.
    This doesn't look like your problem but might be timing issue related...
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    In regard to the backplane edge connectors -...

    In regard to the backplane edge connectors - after removing the backplane from the chassis, I would use IPA and an old toothbrush to clean the whole board and connectors. After that you might find...
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    The price is a little high for me and is actually...

    The price is a little high for me and is actually in the territory of some 'REAL' PETs so I'm not entirely sure what 'market' this will appeal to.

    Having said that its a good effort of course.
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    It looks like they have just added another Model...

    It looks like they have just added another Model 33 to the list for sale - looks quite smashed up though. Might be useful to someone for spares.
  5. I'm thinking that this version of Mac (or the ROM...

    I'm thinking that this version of Mac (or the ROM versions within) is just really picky about the SCSI devices it will work with.
    I can actually get the machine to boot from an old external 20MB...
  6. Turns out that a full strip down, clean and lube...

    Turns out that a full strip down, clean and lube were all that was needed. The drive now ejects properly.
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    Three for sale in the UK right now - a model 15...

    Three for sale in the UK right now - a model 15 teleprinter, A model 32 and a model 33.

    All too far for me to buy and collect in the current climate - typical.

    ...although they are close to you...
  8. Thanks for the replies. Problem is that I'm...

    Thanks for the replies.

    Problem is that I'm not actually sure what parts I need. Disassembly of this drive seems far from straightforward compared to the the Sony dives I have repaired in (for...
  9. Apple LC475 Mitsubishi MF355F drive eject problem

    Folks,

    So I now have an LC475 that all seems to work - apart from the floppy drive eject mechanism. The drive reads and writes well and of course I can use a paperclip to eject the floppy - so...
  10. Something got shipped. The tracking showed it...

    Something got shipped. The tracking showed it leaving his place in GRAYSLAKE, IL 60030 and getting to the Global shipping centre at Erlanger, KY 41025 and then being classed as Overweight.
    Anyway,...
  11. Well, what a sorry saga my attempted purchase of...

    Well, what a sorry saga my attempted purchase of an ASR33 turned out to be.

    I'll never get the thing I purchased via Ebay - after 6 weeks of delay, the seller eventually shipped it using the...
  12. Well, I have now been able to test with a second...

    Well, I have now been able to test with a second Macintosh Plus and have the same problem - It cannot properly interact with either of the Zip drives I have, so I doubt both have defective SCSI...
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    Yes, thanks Brian, I followed the guide in...

    Yes, thanks Brian,

    I followed the guide in this excellent video for stripping and cleaning the drive - YouTube

    I tried printing a gear but my low end Flashforge print resolution is just not...
  14. I have managed to find a set now - thanks to...

    I have managed to find a set now - thanks to those that have helped.
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    Right. Have now completely disassembled the Sony...

    Right. Have now completely disassembled the Sony floppy drive, cleaned and lubricated so its mechanically sound. New problem is that the plastic gears inside the eject motor mechanism have lost...
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    Well I seem to have fixed most of the problems...

    Well I seem to have fixed most of the problems with this board now.

    I have reflowed a number of dodgy looking solder joints on the yoke connector and the flyback transformer base and now the...
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    Macintosh Plus analogue board problem

    Hi Folks,

    I have a non booting Macintosh Plus with an analogue board problem.

    With everything (other than flyback lead) disconnected, applying power results in the clicking sound in this video....
  18. Yes, I have tried with termination off and on but...

    Yes, I have tried with termination off and on but no difference with any of the drives I have. I'm beginning to thing I have a problem with the SCSI interface of the Macintosh Plus or its REALLY...
  19. I note that some of the older (pre version 3)...

    I note that some of the older (pre version 3) ROM's had SCSI bugs in them - I'll check version of ROM that I have but does anyone know the nature of these 'bugs' ?
  20. There is utility called Apple SC disk setup that...

    There is utility called Apple SC disk setup that came on one of the OS disks called Disk Tools - I tried that and it scans the SCSI bus but does not find any of the devices I have attached so far.
  21. Thanks. We'll the boot floppies turned up and...

    Thanks.

    We'll the boot floppies turned up and I can confirm that the machine boots from floppy just fine. I ran the disk tools and the machine still won't recognise either of the Zip drives or a...
  22. Bah. Tried with 2nd Zip drive - this time a...

    Bah. Tried with 2nd Zip drive - this time a zip250 model that has selectable termination - still no joy.
    I have managed to order a full set of original System 7 800k floppies on Ebay - should be...
  23. The zip drive was never mounted on the PC - I...

    The zip drive was never mounted on the PC - I dd'd the image within from Linux direct to the drive. I have another options with a SCSI Jaz drive I have too.

    I bootable floppy should sort me out...
  24. The machine looks fab. I have already been outbid...

    The machine looks fab. I have already been outbid so good luck with the sale.
  25. Well the 40SC external drive has a dead Sony...

    Well the 40SC external drive has a dead Sony drive inside so its never going to boot again.

    I have connected it up to the SCSI interface on my PC and and its just not happy. I need to find another...
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