White Balance; White Balance Touch-Up (Golden Sample); Targets And Tolerances For All Inputs - TCL U65S9906 Service Manual

Additional Aging for White Balance alignment is no more necessary due to consistent Picture Performance with
Cloning usage.
This function is accessible by selecting
Factory menu by pressing "Exit" key. To release/disable Burn-in mode, it's just required to press "Menu" button from
local keyboard. Other faster methods via UART/IR commands are available on enclosed SIACP requirements (rev.
v5.4).

2.3. White Balance



White Balance Touch-Up (Golden sample)

As some color coordinates discrepancies can be noticed from panel batches to others, it may necessary to perform
slight touch-up.
For Color temperature adjustment, switch TV on leading HDMI input where should be connected suitable generator
providing following format 1280x720p@60Hz test pattern. A 32 steps grey scale is recommended to assess relevant
colorimetry tracking and low/high light saturation points.
Ensure that TV's picture enhance is off.
Ensure that TV is in Factory mode to access to "White Balance" adjustment submenu , then scroll down to
toggle off "Pic. Enhance" flag.
WB Normal is the first mode which is adjusted in HDMI source，the next are HDMI warm and cool mode.
Warm and Cool Tone are relatives to Normal mode. WB adjust need to fix default G Gain .Offset registers needn't
to be adjusted.

"Gain" registers set need to be adjusted at 70IRE.


Targets and Tolerances for all inputs

(According to company uniform LED color temperature standard of panel)
The measured and adjustable parameters should be mainly "x", "y" coordinates.
The White Balance alignment should be performed using a well calibrated and contact less analyzer (ex: Minolta
CA210 or CA310). The analyzer may not touch the screen surface, and measurement must be performed in a dark
environment keeping the probe(s) at 90+/-2° from the panel center.
The results should fulfill specification for each TV set offered by R&D and below tolerances::
Test and Alignment Specification for MT58 Series (v0 01)
"Factory menu WARM UP",
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pressing RCU "OK/►" key and then leaving
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