I know i'm digging threads here and the TV is getting to be a few years old, but i though't i'd post the results of my own panel of what can be achieved with only the user-menu settings. Before i delve into the Service menu to try and get it spot on.
NOTE: my TV is a non-THX certified 46-PZ800A
Results are using an i1Display2
this has only been calibrated as beast as possible with the THX Disc and Blue filter glasses.
these are the results from the Normal Mode with Normal Colour Temp
Using HCFR and the HCFR Test Patterns (lucky i know a little French.) and using the Curtpalme Greyscale for dummies guide.
I have results for the Cinema mode, Colours track exactly the same, but with even lower gamma in the low end.
Contrast is only on 80 and it's pumping out 63.2FtL of peak brightness (217cd/m3) NOTE: (Comfortable Daytime setting, no adverse picture effects evident)
and a Black Level of 0.019FtL (0.07cd/m3)
Average Gamma of 2.15
Gamma not tracking too bad, but a little low in the low end (I assume due to the high level of peak brightness??)
Luminance levels track well
Colour Temp is a little cool, but looks a heap nicer than excessively warm
and we can see why it's a little cool, too much blue and not enough red
Most DeltaE's are all pretty consistent around 10-13 with a couple further out
so at least i have a place to start to at least get the greyscale colouring correct.
My DVD player does have it's own built in 10point gamma correction so once i have the greyscale right i can then look at getting the gamma spot on for my highPQ source.
for my DVR i have MP4 versions of the calibration images so can get that input as close as possible, but with a compromised gamma, however, the quality of the recordings are usually of lower quality and unknown origins, so they're compromised from the begining
I'm going to do a complete reset to see how bad it's out of the box presets actually are... horrid i assume
I'll be interested to see what effect getting the colours spot on has on the Gamma curve, maybe none?
but i'll experiment and see what becomes of it.