On Thu, 24 Nov 2016, smf wrote: > On 24/11/2016 05:10, William Levak wrote: >> Looking at the schmatic, I find a note that it is good for 250442 and >> 250446 with the following changes: >> >> Component 250442 250446 >> UD4 9602 74LS123 >> R12 22K 15K >> C31 33pF Eliminated >> >> It appears that the same PCB was used for two different assemblies. > > Do you know if there is any board rework required to convert a 250442 to a > 250446? If so then this may have been reworked in the factory to use up > existing pcb's (or some time later during a repair). It would be strange to > change the ASSY number for a component change, but people (especially > commodore people) do strange things. I don't have any information on that. wlevak@sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org Message was sent through the cbm-hackers mailing listReceived on 2016-11-30 16:01:53
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