Originally Posted by sotti
Your assumption is wrong.http://www.avsforum.com/avs-vb/showt...2#post16121112
Your defualt settings are likely closer to accurate than leroys are.
If you want to do a quick dirty, accurate for your set calibration, grab these:http://www.costore.com/THX/producten...=87&pid=930793
and use any pixar/lucasfilm disc that has the THX optimizer on it. I garuntee that will be closer to accurate than leroy's settings.
For all his time, Leroy really does a disservice posting "HIS" settings wich in no way are accurate beyond his set.
I think what you are saying is accurate, but it may be a bit over the top.
If you don't have a calibration meter, changing values in the service menu may be taking you further away from or closer to a better picture. It will be up to chance.
What you can do with this set is switch to Movie mode, set your backlight appropriate for your viewing environment. The Movie backlight is a bit low for full daylight viewing.
Then use test patterns to set the brightness and contrast. sotti is correct in that most THX discs do contain test patterns for setting brightness and contrast. Brightness will be the most important setting. You want it low enough so that black material shows the least lighting the set is capable of at your backlight setting. But you should also make sure that the darkest gray on the test disk is just visible. These sets are capable of very precise black level control.
For this set contrast won't matter too much. At 100% contrast, 100% white is full on, and lower values show lower intensity. But highlights above 100% white that may or may not be in some programming will not be shown at higher intensity. Moving contrast down to 88, will give some room for highlights to show at more than 100% intensity.
Set the gamma at -4 to best match the gamma curve of the standard.
As far as tuning your set for a perfect shade of gray, my settings probably won't help you that much, this is a panel by panel adjustment. Just leave the color temp at warm with 0 blue drive and 0 green drive. This will get your TV closer to the 65K standard than the other two color temperature settings.
If you don't have a meter, leave the tint control alone. Toshiba does a pretty good job from the factory. The color control is a wildcard, 50 may be too high on your set. But there is quite a bit of variance depending on where the factory put your service menu setting. Look for natural color. I think you will be able to find the spot that is good for most material by trying a few settings.
I keep dynamic backlight on and dynamic contrast off. You might want to do that too.
Above all, enjoy watching your TV.