LG 42LE4500 - White Balance Reference

Copyright © 2010 LG Electronics. Inc. All rights reserved.
- 11 -
LGE Internal Use Only
Only for training and service purposes
4.3.5. Adj. method
(1) Auto adj. method
1) Set TV in adj. mode using POWER ON key.
2) Zero calibrate probe then place it on the center of the
Display.
3) Connect Cable (RS-232C)
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sing), check adj. status pre
mode. (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj.
A W/B Adj. must begin as start command “wb 00 00” , and
finish as end command “wb 00 ff”, and Adj. offset if need.
(2) Manual adj. method
1) Set TV in Adj. mode using POWER ON
2) Zero Calibrate the probe of Color Analyzer, then place it
on the center of LCD module within 10cm of the surface.
3) Press ADJ key -> EZ adjust using adj. R/C -> 7. White-
Balance then press the cursor to the right (KEY G).
(When KEY(G) is pressed 216 Gray internal pattern will
be displayed)
4) One of R Gain / G Gain / B Gain should be fixed at 192,
and the rest will be lowered to meet the desired value.
5) Adj. is performed in COOL, MEDIUM, WARM 3 modes
of color temperature.
A If internal pattern is not available, use RF input. In EZ
Adj. menu 7.White Balance, you can select one of 2
Test-pattern: ON, OFF. Default is inner(ON). By
selecting OFF, you can adjust using RF signal in 216
Gray pattern.
A Adj. condition and cautionary items
1) Lighting condition in surrounding area
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
2) Probe location
: Color Analyzer (CA-210) probe should be within 10
cm and perpendicular of the module surface (80° ~
100°)
3) Aging time
- After Aging Start, Keep the Power ON status during
5 Minutes.
- In case of LCD, Back-light on should be checked
using no signal or Full-white pattern.
4.3.6. Reference (White Balance Adj. coordinate
and temperature)
A Luminance : 216 Gray
A Standard color coordinate and temperature using CS-1000
(over 66cm(26 inch))
A Standard color coordinate and temperature using CA-210
(CH 9)
A 10 Point White Balance
A Color Coordinate Variation by Aging time
Mode Color Coordination Temp ∆UV
xy
COOL 0.269 0.273 13000 K 0.0000
MEDIUM 0.285 0.293 9300 K 0.0000
WARM 0.313 0.329 6500 K 0.0000
Mode Color Coordination Temp ∆UV
xy
COOL 0.269 ± 0.002 0.273 ± 0.002 13000 K 0.0000
MEDIUM 0.285 ± 0.002 0.293 ± 0.002 9300 K 0.0000
WARM 0.313 ± 0.002 0.329 ± 0.002 6500 K 0.0000
On / Off On / Off
Pattern Outer(default)
IRE 100
Luminance 130
Red(130.0 nit) 0
Green(130.0 nit) 0
Blue(130.0 nit) 0
Medium Warm
1 0-2 280 285 296 305 319 340
2
3-5 278 282 294 302 317 338
3
6-9 276 285 305 335
4
10-19 274 282 302 332
5
20-35 273 279 299 329
6
36-49 270 276 296 326
7
50-79 269 273 293 323
8
Over 80 269 273 293 323
GP2
291
311
308
292
290
289
287
286
285
312
310
308
308
Aing time
(Min)
Cool
x y x y x y
269
273 285 293
313
329
288
315
313