LG 32LD460 Service Manual page 14

3.1. ADC Process
(1) ADC
• Enter Service Mode by pushing " ADJ" key
• Enter Internal ADC mode by pushing "
Calibration"
* Caution: Using 'power on' button of the Adj. R/C, power on TV.
* ADC Calibration Protocol (RS232)
No. Item
1 Enter Adjust Mode
2 ADC Adjust
- 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.
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
G " key at "6. ADC
CMD1 CMD2 Data0
A A 0 0
A D 0 0
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)
Cool 13,000k ºK
Medium 9,300k ºK
Warm 6,500k ºK
• In case of Edge LED module, the color coordinates is
changing by aging, so you have to use the below table.
H/R Time(Min) x
269
1 0-2 min 280
2 3-5min 278
3 6-9min 276
4 10-19min 274
5 20-35min 273
6 36-49min 270
7 50-79min 269
8 Over 80 min 269
- 14 -
X=0.269(±0.002)
Y=0.273(±0.002) <Test Signal>
X=0.285(±0.002) Inner pattern
Y=0.293(±0.002) (216gray,85IRE)
X=0.313(±0.002)
Y=0.329(±0.002)
Cool Medium
y x x
273 285 293 313
291 296 311 319
288 294 308 317
285 292 305 315
282 290 302 313
279 289 299 312
276 287 296 310
273 286 293 308
273 285 293 308
LGE Internal Use Only
Warm
y x
329
340
338
335
332
329
326
323
323