[Coco] Unreliable Coco3

Frank Swygert farna at att.net
Mon Oct 22 10:04:11 EDT 2012


Retro Canada went over all the easy things to check. He mentioned 
reseating/cleaning the memory chips, but forgot to mention doing the 
same to the expansion board.

Other than that d/l "Tandy's Little Wonder" and go through the cartridge 
ports checks with a volt/ohm meter. In the repair sections there is a 
chart with what the voltage or resistance should be on each pin.



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