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ORAC 1983 PC 1690 BOARD

Posted: Tue 12 Jun , 2012 15:22 pm
by johnechall
Hi,
I have a spindle speed probem and have found that the PC 1690 board has a failed chip, Ferranti ZN435J 8216.
Does anybodyknow where I can get one or a spare PC 1690 board?

Regards
John