Color Balance Changed with Update

I have some HD Test pattens that I use to calibrate my video projector with via my AppleTV and my Win7 computer. Both are connected to the projector via HDMI though a switcher unit. The Projector sences a different input when the swithcer is changed allowing me to set indivigual balance levels for the ATV or Computer.
Unit the update the settings were very close between each unit. The Win7 machine has perfect color balance through Red Green and Blue filters. The ATV was never perfect but very close.
Since the update, and here nothing has changed except the update, the ATV colors are well off running the same test signals. The RGB levels are out. I have tried each of the 3 signal feeds from the ATV in the settings menu, but nothing.
The colors now seem to be too vibrant and look false. I can componsate for this in the projector, but why did it change?
Has anyone else noticed this? Again all that changed was the update!!
Nathan

The closest I could getting it back to the same colors before the upgrade is changing it to the RGB Hi setting, and limiting the HDMI Color in my projector to Limited, then adjusting the Brightness very slightly. Everything now is much closer to the correct color balance through Blue test glasses. Still not as perfect as it was, or running off my Win7 machine.
Nothing has changed in my setup apart from the ATV Update. Do they not check this stuff!!
Nate

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