Originally Posted by orion2001
This is really cool Zoyd. Thanks for posting...it must have taken quite a while to run through all those measurements!
It's also interesting to note that CS ON with 24Hz playback provides the best black level. I wonder why that is. Your findings might also explain the discrepancy in black levels measured by different folks on this set as some are measuring almost 2X the black level I get on a black screen and that could very likely be attributed to the difference between CS ON v/s OFF.
I'm guessing that the reset pulse width is a bit shorter to accomodate 96Hz refresh, too bad Yrr is not available.
One thing you might want to check if you retained your Vscan tweak -> Try pulling up an all black screen. Then quickly pull up a white window. You should see the individual pixels firing up to turn white. This usually happens quite rapidly, but when I was experimenting with my F5300, I found that dropping Vscan led to longer turn-on times for some of the pixels. As a result, in certain intro scenes in movies or when using my HTPC, I could actually see artifacts with missing black pixels that are still waiting to turn on. That's why I set Vscan back to the recommended value. In my case, I am measuring ~ 0.007 cd/m2 black level so I don't really think I can benefit too much more with Vscan, but maybe I could drop down to ~0.0015 ftL from 0.0026 at the moment.
I've seen the delayed turn-on effect with my D-series but only from a cold start, once the panel warmed up the artifacts were not present. I'll see how it goes with this one and dial it back if there are any problems.
edit: I've also only got 20 hours on the panel so things may need to settle a bit first.
Some other things of note in the service menu - there are entries for enabling support for ND adjustment and save/restore CAL values. This sounds to me like external calibration settings control which would be nice. I'll have to poke around and see if it leads anywhere.
The PVR function can be enabled (to record off the DTV receiver) in the extended service menu as well as adjusting movie mode WB.