LG 34WL550

LGELECTRONICSINC./MONITORDIVISION
Establish:2017/7/12
LM80BADJUSTMENTSPECIFICATION

8/11
Revision:0
LG electronics
Insert HDMI Jack which is connected with PC for White Balance or equivalent device.
Î Total Assembly line should check whether the color coordinate(x,y) data refer to below table were meet or not.
Color
Temperature
Cool 9,300k °K
X=0.283 (±0.03)
Y=0.298 (±0.03)
<Test Signal>
Inner pattern
(255gray,100IRE)
Medium 7,500k °K
X=0.299 (±0.03)
Y=0.315 (±0.03)
Warm 6,500k °K
X=0.313 (±0.03)
Y=0.329 (±0.03)
Luminance
(cd/㎡)
Cool Min : 170
<Test Signal>
Inner pattern
(255gray,100IRE)
Medium Min : 200
Warm Min : 260
*Note : x,y coordinates are drifted about 0.007 after 30 mins heat-run. So checking color coordinate within 5-min at total
assembly line, consider x,y coordinates might be up to 0.007 than x,y target of each color temperature. ..
*Note :
Manual W/B process
1) Power off => Power on( ‘Å’ 3 times, ‘Æ’ 1 time and push ‘◎’ )
2) and push the “Å” or “Æ”.
3) In Service Menu.
4.4 .2 White balance adjustment (29/34WL500, 29/34WL50S,34WL60TM,34WL600,34WL550)
Adjust PRESET Warm(6500K) Color coordinates.
* Set the CA-210 for calibration.
* Set the internal White Pattern by commanding WHITEBALANCE_START Command code.
* Set as Warm(6500K)/Cool(9300K) by commanding COLOR_MODE_CHANGE Command code.
Warm(6500K) color adjustment
Adjust to meet x/y color coordinate as below.
2~4 min 4~8min 8~10min 10~25min 25~40min 40min~
x
0.315 0.315 0.315 0.314 0.314 0.313
y
0.331 0.331 0.331 0.330 0.330 0.329
Save Warm(6500K) Color by commanding COLOR SAVE Command code.
Cool (9300K) color adjustment
Adjust to meet x/y color coordinate as below.
2~4 min 4~8min 8~10min 10~25min 25~40min 40min~
x
0.285 0.285 0.285 0.284 0.284 0.283
y
0.300 0.300 0.299 0.299 0.298 0.297
Save Cool(9300K) Color by commanding COLOR SAVE Command code.