TCL U65S9906, Руководство по обслуживанию

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Test and Alignment Specification for MT58 Series (v0 01)
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Page 12 of 26
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

WARM UP
”, pressing RCU “
OK/
► ” key and then leaving
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::