LG 42LN5700, Руководство по обслуживанию

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Only for training and service purposes
5.2. Adjustment White balance
● W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (80IRE) – LAMP
Module
CH14 , Test signal : Inner pattern (80IRE) – LED Module
● Above 5 minutes H/run in the inner pattern. (“power on” key of
adjust remote control)
※
The spec of color temperature and coordinate.
All
Cool (C50) 13,000k K
X=0.269
(±0.002)
Y=0.273
(±0.002)
<Test signal>
- Inner pattern
for W/B adjust
- External white
pattern (80IRE,
204gray)
Medium (0) 9,300k K
X=0.285
(±0.002)
Y=0.293
(±0.002)
Warm (W50) 6,500k K
X=0.313
(±0.002)
Y=0.329
(±0.002)
※
LA6xxx, LA7xxx, LA8xxx, LN5x Series (Normal Line)
H/R Time(Min)
Cool Medium Warm
x y x x y x
271 270 285 293 313 329
1 0-2 281 287 295 310 320 342
2 3-5 280 285 294 308 319 340
3 6-9 278 284 292 307 317 339
4 10-19 276 281 290 304 315 336
5 20-35 275 277 289 300 314 332
6 36-49 274 274 288 297 313 329
7 50-79 273 272 287 295 312 327
8 80-119 272 271 286 294 311 326
9 Over 120 271 270 285 293 310 325
※
LA6xxx, LA7xxx, LA8xxx, LN5x Series (Aging Chamber)
H/R Time(Min)
Cool Medium Warm
x y x x y x
271 270 285 293 313 329
1 0-5 280 285 294 308 319 340
2 6-10 276 280 290 303 315 335
3 11-20 272 275 286 298 311 330
4 21-30 269 272 283 295 308 327
5 31-40 267 268 281 291 306 323
6 41-50 266 265 280 288 305 320
7 51-80 265 263 279 286 304 318
8 81-119 264 261 278 284 303 316
9 Over 120 264 260 278 283 303 315
※
Connecting picture of the measuring instrument (On Automatic
control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER-ON -> Enter
the mode of White-Balance, the pattern will come out
● Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked. (Illumination is less than 10ux).
(2) Adhere closely the Color Analyzer ( CA210 ) to the module
less than 10cm distance, keep it with the surface of the
Module and Color Analyzer’s Prove vertically.(80~100°).
(3) Aging time
- After aging start, keep the power on (no suspension of power
supply) and heat-run over 5 minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others, check the
back light on.
● Auto adjustment Map(RS-232C)
RS-232C COMMAND
[ CMD ID DATA ]
Wb 00 00 White Balance Start
Wb 00 ff White Balance End
RS-232C COMMAND
[CMD ID DATA]
MIN CENTER
(DEFAULT)
MAX
Cool Mid Warm 00 Cool Mid Warm
R Gain Jg ja jd 00 172 192 192 192
G Gain Jh jb je 00 172 192 192 192
B Gain Ji jc jf 192 192 172 192
R Gain 64 64 64 128
G Gain 64 64 64 128
B Gain 64 64 64 128