Closed Oric Atmos Repair

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Hemdale

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Hi,

i received two broken Orics, a 1 and an Atmos. I repaired the Oric 1 (changed and socketed the 6502), but the Atmos won't work. I changed the CPU, The VIA and one suspicious RAM ics, but i always get the same error pattern.

I can't figure it out, what could be wrong, 'cause all measured values seem to be ok.

So i need somebody, who can check and repair this one.

Would prefer europe, due to the shipping costs ...

Thanks.
 
A quick thought:
Is it worth swapping the ULAs and ROMs between boards if you've not already tried?
 
Thanks, but i've already swapped the ULAs, the CPUs and ROMs. I tried some others too (i've some for spare), but there is no change. Could be a broken track or similiar things, but i can't see one ...
 
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