I was able to remove the shielding, but video still remains quite blurry. However, I was able to pinpoint where it's happening. Spark gap SG901
You can see the schematics in the service manual for this monitor, the Dell P991 seems to be a rebrand of this model
[url]https://www.manualslib.com/manual/2466577/Sony-Trinitron-Cpd-G400.html[/url]https://I was able to remove the shi...itor, the Dell
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Re: Dell Ultrascan P991 no image.
I think the one at the start of the video should be it? This one sure has a lot of shielding compared to the other CRTs I have opened (just for minor adjustments to G2/Focus). I saw the anode cable being attached on the right side one, so I didn't want to remove it for safety. My knowledge of electronics is very limited, so I'm quite paranoid about touching anything I am not 100% sure.
[url]https://www.youtube.com/watch?v=Ha6MhpXGdzY[/url]Re: Dell Ultrascan P991 no image.<br...e video should
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Dell Ultrascan P991 no image.
Hello. A few months ago I bought a Dell P991. I was very happy with purchase, geometry was near perfect and the colours were great.
However, two days ago, I was using it, and the image blinked once, but it recovered. 10 minutes, it blinked again, and the image was completely gone.
This is what happens when I try to turn it on.
[URL="https://www.youtube.com/watch?v=ENFNS1-DYYc"]https://www.youtube.com/watch?v=ENFNS1-DYYc[/URL]
All electronic shops in my area refuse to do repairs on CRT, so I was wondering what could be the issue....
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Re: New Members - please post your introductions here
Hello. I just found out about this forum. I am interested in retro computing, and there seems to be a lot of useful information in here.
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