[Tig] Flickering noise on an Ursa

[john-h at lineone.net]

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Hi Steven

I can't say that I have seen this before, but if I were you, I would be looking
for any noise / hum on the power supply rails, particularly those powering
the front end of the machine (PECs etc).

Another little gotcha is flourescent tubes causing hum, although I've only
seen this in the blue channel before.

By asking the TIG, you have tapped in to some of the best telecine minds
in the world so I think you will get plenty of good feedback.

Good luck

John Hinchliffe 
>--
> 
>Hi All!
>
>We've been getting some flickering horizontal bands on the output of our
>URSA Gold.
>I've linked to a quicktime movie that shows what I'm talking about.
>This was a component video recording of a parked 16mm frame.
>It doesn't appear on the test signal, but does appear on RGB picture
>out,
>And is on each channel.
>
>When I first power up it doesn't seem to be there, but as the machine
>warms up, it quickly comes back.
>The room temperature is about 68 to 70 farenheit.
>
>http://www.mediafarm.tv/CollinsUrsa_3_Seconds.mov
>It's about 1.8 megabytes, only a few seconds.
>Any feedback would be greatly appreciated!
>
>Steven Bradford
>Media Arts Chair
>Collins College
>Tempe Arizona


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