LG Electronics 42LA69**-Z* service manual Adj. method, Alelf & Edge LED White balance table

Page 17

4.2.5. 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 to USB)

4)Select mode in adj. Program and begin adj.

5)When adj. is complete (OK Sign), check adj. status pre mode. (Warm, Medium, Cool)

6)Remove probe and RS-232C cable to complete adj.

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 → 7. White- Balance then press the cursor to the right(key ►). (When right key(►) is pressed 204 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)Adjustment is performed in COOL, MEDIUM, WARM 3 modes of color temperature.

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 204 Gray pattern.

Adjustment 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.

4.2.6.Reference (White balance Adj. coordinate and color temperature)

Luminance : 204 Gray

Standard color coordinate and temperature using CS-1000 (over 26 inch)

Mode

Coordinate

Temp

∆uv

x

y

 

 

 

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

▪ Standard color coordinate and temperature using CA-210(CH 14)

Mode

Coordinate

Temp

∆uv

x

y

 

 

 

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

6500K

0.0000

 

 

 

 

 

4.2.7. ALELF & EDGE LED White balance table

-EDGE LED module change color coordinate because of aging time.

-Apply under the color coordinate table, for compensated

aging time. * Normal Line

[LN5xxx, LA6xxx, LA7xxx, LA8xxx]

 

Aging

Cool

 

Medium

Warm

NC4.0

time

X

y

 

x

y

x

y

 

(Min)

271

270

 

286

289

313

329

1

0-2

283

287

 

298

306

322

342

2

3-5

282

285

 

297

304

321

340

3

6-9

281

284

 

296

303

320

339

4

10-19

279

281

 

294

300

318

336

5

20-35

277

277

 

292

296

316

332

6

36-49

275

274

 

290

293

314

329

7

50-79

273

272

 

288

291

312

327

8

80-119

272

271

 

287

290

311

326

9

Over 120

271

270

 

286

289

310

325

*Aging Chamber

 

 

 

 

 

 

 

[LN5xxx, LA6xxx, LA7xxx, LA8xxx]

 

 

 

 

 

Aging

Cool

 

Medium

Warm

NC4.0

time

X

y

 

x

y

x

y

 

(Min)

271

270

 

286

289

313

329

1

0-5

282

285

 

297

304

321

340

2

6-10

278

280

 

293

299

317

335

3

11-20

275

275

 

290

294

314

330

4

21-30

272

272

 

287

291

311

327

5

31-40

269

269

 

284

288

308

324

6

41-50

268

267

 

283

286

307

322

7

51-80

267

266

 

282

285

306

321

8

81-119

266

264

 

281

283

305

319

9

Over 120

265

263

 

280

282

304

318

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Contents LED TV Contents General Guidance Safety PrecautionsElectrostatically Sensitive ES Devices Servicing PrecautionsCircuit Board Foil Repair IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Model General Specification SpecificationApplication range Test method Requirement for TestVHF, UHF PAL-BG PAL-DKDVB-T QpskComponent Video Input Y, Pb, Pr PC mode Hdmi Input 6.1. DTV modeHdmi 1.4b 3D supported mode automatically 3D ModeRF Input 3D supported mode automatically RF Input3D supported mode manuallyUSB Input 3D supported mode manually Hdmi Input1.3Dlna Input 3D supported mode manually HDMI-PC Input 3D supported mode manuallyComponent Input3D 3D supported mode manually Input modeAutomatic Adjustment Adjustment InstructionApplication Range DesignationCI+ Key checking method Model name & Serial number DownloadCheck the method of CI+ Key value Manual AdjustmentCheck the method of CI+ key valueRS232 EdidAdj. Command Protocol White Balance AdjustmentOverview EquipmentAlelf & Edge LED White balance table Adj. methodWi-Fi Test Magic Motion Remote control testLocal Dimming Function Check Function testGND and Internal Pressure check Ship-out mode checkIn-stopTool Option selection AudioAfter downloading, have to adjust Tool Option again USB S/W DownloadService onlyLGE DiagramBlock Exploded View Important Safety Notice