first i've checked ram. i dont know what was it but pin 1-8 were connected to each other somehow... i found one bad trace on IC31 but it's now fixed. anyway i've re-checked all traces from IC30/31/32/22 and thay seem to be ok. maybe i'm missing something?
Message
Re: Polysix programmer section issues
2015-03-13 by radek.tymecki@op.pl