Posted By
Muzer on 2021-01-28 07:38:47
| Re: Plus/4 black screen diagnosis (not CPU/TED/PLA)
Thanks! I've already tried swapping out the Kernal with the C16 though and that works fine. Good idea on the socket, perhaps there could be a cracked solder joint or similar? I haven't yet taken a look on the bottom of the board. I've ordered a Diag264 chip off eBay (don't have an EPROM programmer currently so I thought this would be quicker) so hopefully that will be useful.
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