Search found 3 matches

by mypen
Fri Jan 08, 2016 6:23 pm
Forum: DSO 068
Topic: Right half of display garbled
Replies: 11
Views: 32107

Re: Right half of display garbled

I measured CS1 and CS2 with a scope and found that the voltage on CS2 is about half of CS1 with occasional spikes to full voltage:
CS1.png
CS1.png (6.81 KiB) Viewed 19908 times
CS2.png
CS2.png (6.46 KiB) Viewed 19908 times
by mypen
Fri Jan 08, 2016 5:41 am
Forum: DSO 068
Topic: Right half of display garbled
Replies: 11
Views: 32107

Re: Right half of display garbled

Thank you very much for your help. CS1 measures 0.8V, CS2 measures 0.5V. I suspect these are averages because they are most likely switching on and off very fast, yes? If CS2 was not getting turned on, I would expect to see no intelligence on it but I can see the data that should be on the far right...
by mypen
Thu Jan 07, 2016 6:01 am
Forum: DSO 068
Topic: Right half of display garbled
Replies: 11
Views: 32107

Right half of display garbled

The right half of my display is garbled. The left half seems to function properly. The rows appear to be offset by about 5 rows (shifted up) and there are a lot of pixels that do not clear. The columns do appear to occasionally wander towards the left by a couple of columns before resetting back to ...