zippysticks
Veteran Member
I have seen a few related threads in the forum on this topic but none seem to match my challenge....
When I turn on the machine, it appears to start just fine but immediately starts which phantom repeating keypresses to the screen. If I press a key it will then continue to repeat that key.
I did have a single stuck (Alps long stem) key that has been removed (I'm looking for a replacement) but the problem persists. It is not the keyboard as I have unplugged it (after switching on) and the problem persists. I have also tried a known working keyboard from another machine and also swapped the keyboard controlled IC AY-5-3600 PRO with a known good one to no avail.
I'll get the scope out tomorrow and start probing so am looking for suggestions for testing.
Thanks
When I turn on the machine, it appears to start just fine but immediately starts which phantom repeating keypresses to the screen. If I press a key it will then continue to repeat that key.
I did have a single stuck (Alps long stem) key that has been removed (I'm looking for a replacement) but the problem persists. It is not the keyboard as I have unplugged it (after switching on) and the problem persists. I have also tried a known working keyboard from another machine and also swapped the keyboard controlled IC AY-5-3600 PRO with a known good one to no avail.
I'll get the scope out tomorrow and start probing so am looking for suggestions for testing.
Thanks