cctalk Digest, Vol 19, Issue 18

shadoooo shadoooo at
Mon Jan 18 14:34:09 CST 2016

> So if all LEDs remain on, that most likely means the CPU is not able to execute instructions at all.
>  It might mean a busted CPU, busted ROM or CPU bus, or missing power or clock.

that's exactly my feeling... so a schematic would be very good to try to 
diagnose an evident problem as missing signals,
etc, knowing what they should be from the circuit diagram.
I will try to check something easy at first, knowing the pinout of the 
but after that I suspect it will be harder.


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