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logikstate
Account closed
Registered: Jan 2011
Posts: 21 |
1541-II read problem
Is this the right place to post this? Anyhoo, here goes:
I have a whole bunch of 1541's and one 1541-II
I've used an alignment disk and re-aligned the heads and generally cleaned up one of the 1541's and it can format and read back disks and read an original disk I have here without problems.
As for the 1541-II, I cannot read anything on it reliably... Even after cleaning the heads etc... If I format a disk and read it back, there are errors. If I try to read the same original that works on the 1541 there are always errors.
But... If I format a disk on the 1541-II, I can then read it on the 1541 I've cleaned up without problems.
So, the question is, what might be the problem with the 1541-II? I'm kinda baffled at the moment... Was hoping that somebody with a little more knowledge than myself might be able to suggest something I could try.
Thanks in advance for any help and advice!
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logikstate
Account closed
Registered: Jan 2011
Posts: 21 |
I'm reading 7.2v off the 5v line whilst its under load, connected to the 1541-II via probing the back of the power connector... I'm also reading 12.3v of the 12v line... I guess that's possibly ok? the 5v is WAY out though!
I guess its the PSU then!
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ready.
Registered: Feb 2003
Posts: 441 |
12.3V should be ok, but those 7.2V on the 5V line is way too much. Yep, PSU is gone. |
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maestro
Registered: Mar 2004
Posts: 727 |
i just made my own psu cost £10 and about 30 mins of work. 1541-2 has been superb ever since. |
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HCL
Registered: Feb 2003
Posts: 727 |
Quote: i just made my own psu cost £10 and about 30 mins of work. 1541-2 has been superb ever since.
Very interesting.. I currently have 2 drives, but only one PSU which seems to be worn out now :(. Any chance you could explain how you made your own? What components did you buy etc..
Other ways to get a working PSU are also very welcome.. |
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Frantic
Registered: Mar 2003
Posts: 1647 |
EDIT: Nothing |
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