UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Sharp MZ-80K help needed on repair

SiriusHardware · 10th Oct 2021, 6:21 pm

Leave it out for now and check the voltages on the 8255 pin 14 and on IC25 pin 1, which are currently disconnected from each other, from time to time.

10th Oct 2021, 6:21 pm	#264
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,586	Re: Sharp MZ-80K help needed on repair Leave it out for now and check the voltages on the 8255 pin 14 and on IC25 pin 1, which are currently disconnected from each other, from time to time.