Search found 4 matches
Search found 4 matches • Page 1 of 1
Hi Hilde, thanks for reply I test every pin and no short at all or any solder joint, I have magnify glass and very fine solder tip and hot gun. So the LSI is ever missing in some signal out of it. I have replaced the IC in the Vsync line too but still no change. I think that LSI is semi-dead :-( and...
Hi to all, I get this machine as faulty, as blank screen. Power it up, led ok, no beep and blank screen, no sync on TV. I test the PSU, the Z80, the two ROM, the two VRAM, all are OK I see that the LSI output a strange CPU clock so I reflow it and... I get right CPU clock and a strange video output,...
- Sat Mar 14, 2020 1:33 am
- Forum: Buy/sell
- Topic: Sharp MZ80b - MZ-80GMK Extension Graphics cards
- Replies: 5
- Views: 3967
Hi, I’m interested... please PM me with detail