LG 50LF65 Series, Руководство по обслуживанию

Страница: 17 / 72

- 17 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4.2.6. Adjustment method
(1) Auto adjustment method
1) Set TV in adj. mode using P-Only key(or POWER ON key).
2) Place optical probe on the center of the display.
- It need to check probe condition of zero calibration
before adjustment.
3) Connect RS-232C Cable.
4) Select mode in ADJ Program and begin a adjustment
5) When WB adjustment is completed with OK message,
check adjustment status of pre-set mode(Cool, Medium,
Warm)
6) Remove probe and RS-232C cable.
▪ 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 adjustment 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 10 cm of the surface.
3) Press ADJ key → EZ adjust using adj. R/C → 11. White-
Balance then press the cursor to the right(key ►).
(When right key(►) is pressed 206 Gray internal pattern
will be displayed)
4) Adjust Cool modes
①
Fix the one of R/G/B gain to 192 (default data) and
decrease the others.
(If G gain is adjusted over 172 and R and B gain less
than 192 , Adjust is O.K.)
②
If G gain is less than 172,
Increase G gain by up to 172, and then increase R
gain and G gain same amount of increasing G gain.
③
If R gain or B gain is over 255,
Readjust G gain less than 172, Conform to R gain is
255 or B gain is 255
5) Adjust two modes (Medium/Warm) Fix the one of R/G/B
gain to 192 (default data) and decrease the others.
6) Adj. is completed, Exit adjust mode using “EXIT” key on
Remote control.
4.2.7. Reference (White balance Adj. coordinate and
color temperature)
▪ Luminance : 204 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
▪ Standard color coordinate and temperature using CA-210(CH 14)
4.2.8. LED White balance table
- EDGE LED module change color coordinate because of
aging time.
- Apply under the color coordinate table, for compensated
aging time.
Only march to December & Global
Model: (normal line)LGD
Only January to Febuary & Global
Model: (normal line)LGD
O/S Module (AUO, INX, Sharp, CSOT, BOE) (Cool : 13000 K)
4.3. Local Dimming Inspection
Press “TILT” key of the Adj. Remote control and check moving
patern. The black bar patterns moves from top to bottom. If a
local dimming function does not work, a whole screen shows
full white.
Mode
Coordinate
Temp ∆uv
x y
Cool 0.271 0.270 13000 K 0.0000
Medium 0.286 0.289 9300 K 0.0000
Warm 0.313 0.329 6500 K 0.0000
Mode
Coordinate
Temp ∆uv
x y
Cool 0.271 ± 0.002 0.270 ± 0.002 13000 K 0.0000
Medium 0.286 ± 0.002 0.289 ± 0.002 9300 K 0.0000
Warm 0.313 ± 0.002 0.329 ± 0.002 6500 K 0.0000
NC4.0
Aging
time
(Min)
Cool Medium Warm
x y x y x y
271 270 286 289 313 329
1 0-2 282 289 297 308 324 348
2 3-5 281 287 296 306 323 346
3 6-9 279 284 294 303 321 333
4 10-19 277 280 292 299 319 339
5 20-35 275 277 290 296 317 336
6 36-49 274 274 289 293 316 333
7 50-79 273 272 288 291 315 331
8 80-119 272 271 287 290 314 330
9 Over 120 271 270 286 289 313 329
NC4.0
Aging
time
(Min)
Cool Medium Warm
x y x y x y
271 270 286 289 313 329
1 0-5 286 295 301 314 328 354
2 6-10 284 290 299 309 326 349
3 11-20 282 287 297 306 324 346
4 21-30 279 283 294 302 321 342
5 31-40 276 278 291 297 318 337
6 41-50 274 275 289 294 316 334
7 51-80 273 272 288 291 315 331
8 81-119 272 271 287 290 314 330
9 Over 120 271 270 286 289 313 329
NC4.0
Cool Medium Warm
x y x y x y
spec 271 270 286 289 313 329
target 278 280 293 299 320 339