Search found 4 matches

by emilen
Fri Feb 05, 2021 2:24 pm
Forum: Hardware
Topic: help for a MZ-700
Replies: 5
Views: 1117

Re: help for a MZ-700

I see the photo oh mz-1500... great job and working at first run !!!
Do you know if he sell fpga or share the project?
by emilen
Wed Feb 03, 2021 6:39 pm
Forum: Hardware
Topic: help for a MZ-700
Replies: 5
Views: 1117

Re: help for a MZ-700

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...
by emilen
Wed Feb 03, 2021 8:36 am
Forum: Hardware
Topic: help for a MZ-700
Replies: 5
Views: 1117

help for a MZ-700

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,...
by emilen
Sat Mar 14, 2020 1:33 am
Forum: Buy/sell
Topic: Sharp MZ80b - MZ-80GMK Extension Graphics cards
Replies: 5
Views: 3967

Re: Sharp MZ80b - MZ-80GMK Extension Graphics cards

Hi, I’m interested... please PM me with detail