[cctalk] Re: unpleasant odor from VT100

2022-12-22 Thread Martin Bishop via cctalk
Peter If you are still listening through the "on topic" noise - see below Martin >>I had something similar with a VT220. I didn't get around to investigating >>it before the flyback transformer failed :-( >>I can only suggest to run it for a short time with the cover off and the >>lights

[cctalk] Re: unpleasant odor from VT100

2022-12-20 Thread Peter Coghlan via cctalk
I'm not familiar with the VT100 - I don't know where particular components are and which ones usually cause problems in that unit. My suggestion was aimed at CRT monitors in general. Hopefully someone who knows the VT100 better will reply with more specific suggestions. If you are getting

[cctalk] Re: unpleasant odor from VT100

2022-12-20 Thread Kevin McQuiggin via cctalk
Hi Hush: There are dangerous - potentially lethal - voltages inside a CRT display, so be very, very careful if you don’t have lots of experience with these devices. Touch the high voltage points by mistake and you are likely dead on the spot. The issue probably relates to bad electrolytic

[cctalk] Re: unpleasant odor from VT100

2022-12-20 Thread Sellam Abraham via cctalk
Might've just been a dead bug that got cooked. Check for a carcass. Sellam On Tue, Dec 20, 2022 at 2:06 PM hush hush via cctalk wrote: > Peter, thank you for the reply! i had to wait a bit for it to get dark > enough, but i just checked and i could not see any visible arcing inside > the

[cctalk] Re: unpleasant odor from VT100

2022-12-20 Thread hush hush via cctalk
Peter, thank you for the reply! i had to wait a bit for it to get dark enough, but i just checked and i could not see any visible arcing inside the chassis when the terminal is powered on. there is a slight buzzing noise coming from the problem area but i suspect that is normal. i did notice

[cctalk] Re: unpleasant odor from VT100

2022-12-20 Thread Peter Coghlan via cctalk
I had something similar with a VT220. I didn't get around to investigating it before the flyback transformer failed :-( I can only suggest to run it for a short time with the cover off and the lights out while looking for any glows / discharges around the flyback transformer, the EHT cable, the