To add on to my prior reply:
I have just finished replacing the rest of the electrolytic caps in the 5154.
This has solved the wobbly sync when cold. I still occasionally get the bursts of...
Ideally, mark and space voltages should be equal, but differing in sign, but as Hugo says, this was abused something awful. In the beginning, the level shifting was done with discrete comonents;...
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After adding the horizontal jumpers the M8650...
After adding the horizontal jumpers the M8650 works perfectly at addresses 40/41 and at 115200 bps the SerialDisk server works much nicer.
thunter0512 Yesterday, 11:15 PMI successfully assembled the two handlers and then...