Still work in progress: as Calman gets better, so does the 55LHX and 42LH90. After much experimenting we're now doing the following.
#1. It appears that calibrating the actual 55LHX and 42LH90, seems to stress the TVs. On my 55LHX, have now off loaded the calibration onto a Lumagen Radiance XE-3D that I picked up on a Black Friday special pricing. (Even better deal now currently re: open box special at www.curtpalme.com
with Darbee thrown in - 3 left). My wife's 55LHX and 42LH90 calibration are now off loaded onto an iScan Duos. The Theatre Room LG 55LV9500 is also off loaded onto an iScan Duo.
#2. Calibration is done on Expert 1. The Backlight, Contrast, Brightness, Sharpness and Tint values are placed in all the other Modes. (Backlight, Contrast, Brightness calibrated inside Calman. Colour tweaked inside Calman) All the other Modes have Colour set to Zero. All Modes have any 10 Point IRE's, 2 Point, and CMS values set to Zeroes. All Modes have Gamma set to Low on the 55LHX, Medium on the 42LH90 and White Balance to Warm.
On the 42LH90 and 55LV9500, all HDMI Inputs are zeroed, excepting the Input I'm working on. (Input 2.)
#3. Service Menu White Balances for Cool, Medium and Warm, RGB Gains and Cuts, calibrated for Warm setting values.
#4. The Expert 1 2 Point values are calibrated from within Calman during calibration, and the Expert 1 2/10 Point selection, is left on 2 Point.
#5. Once everything is setup, calibration is done with a Spectracal C6, profiled from a i1Pro, using the current Calman 5.1 version, and AutoCal is used for the 11 Point, and 125 Point 3D LUT. On the iScan Duos, AutoCal for 11 Point and CMS.
Since moving to this form and structure, have had far less problems with the LGs - leaving the stress to the XE and Duos. PQ now looks like watching out your front window to the world, after cleaning the window, and adding a Darbee (on my set only) to enhance the experience!
One thing I've noticed since doing this, when I do a complete reset to all zeroes, the PQ is now looking pretty good. The calibration just makes it look that much better!