Re: MZ700 not booting
Posted: Fri Dec 03, 2021 1:25 pm
The 5V supply of the different component pins cannot be sinusoidal: It is a direct current so on the oscilloscope there should be a 5V direct line.
Perhaps start by checking what the vacuum power supply (alone) really gives: waveform and amplitude.
Perhaps start by checking what the vacuum power supply (alone) really gives: waveform and amplitude.