CBM 1541 drive faults

[Gene Buckle]

On 12/13/2015 7:22 AM, tony duell wrote:
>>
>> I've done the obvious, reseating socketed ICs, checking the +12V and +5
>> rails, and checking the on-board CPU reset line. Does anyone have any tips
>> for what's best to try next?
>
> Didn't at least some versions use 2114 RAM chips? If so, then check/change
> those first
>
Instead of just randomly replacing stuff, check here:
http://personalpages.tds.net/~rcarlsen/cbm.html

Ray Carlsen's articles are the gold standard in Commodore hardware 
diagnostic and repair information.

g.