LG 55UF6790, Service Manual

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Only for training and service purposes
5.5.6. Reference (White Balance Adj. coordinate and
color temperature)
▪ Luminance: 206 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Mode
Coordinate
Temp
△
uv
X Y
Cool 0.271 0.270 13,000K 0.0000
Medium 0.283 0.289 9,300K 0.0000
Warm 0.313 0.329 6,500K 0.0000
▪ Standard color coordinate and temperature using CA-210
(CH 14)
Mode
Coordinate
Temp
△
uv
X Y
Cool 0.271±0.002 0.270±0.002 13000K 0.0000
Medium 0.286±0.002 0.289±0.002 9300K 0.0000
Warm 0.313±0.002 0.329±0.002 6500K 0.0000
5.5.7. EDGE & IOL LED White balance table
▪ Edge & ALEF LED module change color coordinate because
of aging time
▪ apply under the color coordinate table, for compensated
aging time
▪ Luminance: 204 Gray, 80IRE
** Except Gumi winter season(Jan~Feb) and except for winter
season (Mar ~ Dec) & Global are same as the table below
▪ Standard color coordinate and temperature using
CA-210(CH-14) – by aging time
- Model :
LGD ALL (Except UF86, UG87, 79UF945, 79UF95,OS
Models)
webOS
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 6-9 279 284 294 303 321 343
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
* Use only AUO, INX, Sharp, CSOT, BOE
(Cool temp Spec is 13000K)
5.6. Local Dimming Function Check
Step 1) Turn on TV
Step 2) At the Local Dimming mode, module Edge Backlight
moving right to left
Back light of IOP module moving
Step 3) confirm the Local Dimming mode
Step 4) Press “exit” Key
5.7. Magic Motion Remocon test
- Equipment : RF Remocon for test, IR-KEY-Code Remocon
for test
- You must confirm the battery power of RF-Remocon before
test
(recommend that change the battery per every lot)
- Sequence (test)
a) if you select the ‘start key(OK)’ on the controller, you can
pairing with the TV SET.
b) You can check the cursor on the TV Screen, when select
the ‘OK Key’ on the controller
c) You must remove the pairing with the TV Set by select
‘Mute + OK Key’ on the controller
5.8 HDMI ARC Function Inspection
5.8.1. Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
5.8.2. Test method
(1) Insert the HDMI Cable to the HDMI ARC port from the
master equipment (HDMI2)
(2) Check the sound from the TV Set
(3) Check the Sound from the Speaker or using AV & Optic
TEST program (It’s connected to MSHG-600)
Cool Medium Warm
x y x y x y
spec 271 270 286 289 313 329
target 278 280 293 299 320 339