LG 22LE5300, Service Manual

Page: 12 / 71

3.1. ADC Process
(1) ADC
• Enter Service Mode by pushing “ ADJ” key
• Enter Internal ADC mode by pushing “
G ” key at “6. ADC
Calibration”
* Caution: Using ‘power on’ button of the Adj. R/C, power on TV.
* ADC Calibration Protocol (RS232)
- Adjust Sequence
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024x768)]
• ad 00 10 [Adjust 1024x768 RGB]
• aa 00 90 [End Adjust Mode]
* Required equipment : Adjustment R/C
3.2. Function Check
(1) Check display and sound
- Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI
6) PC Audio In
* Display and sound check is executed by remote control.
4. Total Assembly line process
4.1. Adjustment Preparation
· W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (85IRE)
· Above 5 minutes H/run in the inner pattern. (“power on” key
of adjust remote control)
• In case of Edge LED module, the color coordinates is
changing by aging, so you have to use the below table.
- 12 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
No. Item CMD1 CMD2 Data0
1 Enter Adjust Mode A A 0 0
2 ADC Adjust A D 0 0
Cool 13,000k ºK X=0.269(±0.002)
Y=0.273(±0.002) <Test Signal>
Medium 9,300k ºK X=0.285(±0.002) Inner pattern
Y=0.293(±0.002) (216gray,85IRE)
Warm 6,500k ºK X=0.313(±0.002)
Y=0.329(±0.002)
Cool Medium Warm
H/R Time(Min) x y x x y x
269 273 285 293 313 329
1 0-2 min 280 291 296 311 319 340
2 3-5min 278 288 294 308 317 338
3 6-9min 276 285 292 305 315 335
4 10-19min 274 282 290 302 313 332
5 20-35min 273 279 289 299 312 329
6 36-49min 270 276 287 296 310 326
7 50-79min 269 273 286 293 308 323
8 Over 80 min 269 273 285 293 308 323