Local Dimming Function Check; Led White Balance Table; Color Temperature - LG 42LB65 Series Service Manual

4.2.6. Reference (White balance Adj. coordinate and

color temperature)

▪ Luminance : 204 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Coordinate
Mode
x
Cool 0.271
Medium 0.286
Warm 0.313
▪ Standard color coordinate and temperature using CA-210(CH 14)
Coordinate
Mode
x
Cool 0.271 ± 0.002
Medium 0.286 ± 0.002
Warm 0.313 ± 0.002

4.2.7. 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 (LB5xxx, LB6xxx, LB7xxx, LB8xxx)
Cool
Aging
NC4.0 time x
(Min)
271
1 0-2 282
2 3-5 281
3 6-9 279
4 10-19 277
5 20-35 275
6 36-49 274
7 50-79 273
8 80-119 272
9 Over 120 271
Only January to Febuary & Global
Model: (normal line)LGD (LB5xxx, LB6xxx, LB7xxx, LB8xxx)
Cool
Aging
NC4.0 time x
(Min)
271
1 0-5 286
2 6-10 284
3 11-20 282
4 21-30 279
5 31-40 276
6 41-50 274
7 51-80 273
8 81-119 272
9 Over 120 271
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Temp ∆uv
y
0.270 13000 K 0.0000
0.289 9300 K 0.0000
0.329 6500 K 0.0000
Temp
y
0.270 ± 0.002 13000 K 0.0000
0.289 ± 0.002 9300 K 0.0000
0.329 ± 0.002 6500K 0.0000
Medium Warm
y x y x
270 286 289 313
289 297 308 324
287 296 306 323
284 294 303 321
280 292 299 319
277 290 296 317
274 289 293 316
272 288 291 315
271 287 290 314
270 286 289 313
Medium Warm
y x y x
270 286 289 313
295 301 314 328
290 299 309 326
287 297 306 324
283 294 302 321
278 291 297 318
275 289 294 316
272 288 291 315
271 287 290 314
270 286 289 313
AUO, INX, Sharp, CSOT, BOE (Cool : 13000 K)
NC4.0
x
spec 271
target 278

4.3. Local Dimming Function Check

(1) Normal Edge LED Model
Step 1) Turn on TV.
Step 2) Press "TILT" key on the Adj. Remote control.
Step 3) At the Local Dimming mode, module Edge
Backlight moving right to left Back light of IOP
module moving.
∆uv
Step 4) Confirm the Local Dimming mode.
Step 5) Press "exit" key.
(2) Only 50inch AUO Local dimming Model(50LA66)
- Test method
y
Insert the USB memory included video file below
329
inspection pattern in Poweronly mode.
348
Play repeat first, second pattern once per second
346
333
339
336
333
331
330
329
(3) Only LA71 Series LGD Local Dimming Model (47/55LA71,
16 block)
Step 1) Turn on TV
Step 2) Press "TILT" key on the Adj. R/C.
Step 3) At the Local Dimming mode, module Edge
y
Backlight moving left to right, bottom to Up, Back
329
light of ALEF module moving. (No1->2->3->....->14
354
->15->16)
349
Step 4) Confirm the Local Dimming mode
346
Step 5) Press "exit" Key
342
337
334
331
330
329
- 17 -
Cool Medium
y x y
270 286 289
280 293 299
LGE Internal Use Only
Warm
x y
313 329
320 339