Check Of White Balance; Function Check; Connecting Diagram Of Equipment For Measuring (Automatic Adjustment); Check Display And Sound - LG 22LS2100 Service Manual

6. Check of White Balance

RGB_Gains are fixed data for each model.
Insert D-sub jack (I2C) which is connected with PC
for White Balance or equivalent device.
→ Total Assembly line should be check whether the
color coordinate(x, y) data Refer to below table
were meet or not.
6.1. Required Equipment
■ Remote controller for checking W/B
■ Color Analyzer : CA-210
■ CH: 14 (LCD MNT, Normal) → 22LS2100
■ PC (for communication through RGB)
■ Pattern Generator (MSPG-925FS series)
6.2. Connecting diagram of equipment for
measuring (For Automatic Adjustment)
(Method 1, using IIC, You connect RGB Cable)
(Standard color coordinate and temperature when using the
CA210 equipment)
RGB_Gains are fixed data for each model
Color Cool 9,300k
Temperature
Warm 6,500k
Color Cool 9,300k
Temperature
Medium 8,000k
Warm 6,500k
Luminance Cool Min: 170
(cd/m 2 )
Medium Min: 170
Warm Min: 170
* When doing Adjustment, Please make circumstance as below.
* W/B condition
- Ambient Humidity : 20 % ~ 80 %
- Ambient Temperature : 25 ± 5 °C
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
°K X=0.283 (±0.03) <Test Signal>
Y=0.298 (±0.03) PC Mode only
Full White
X=0.313 (±0.03)
(100IRE)
Y=0.329 (±0.03)
°K X=0.283 (±0.03) <Test Signal>
Y=0.298 (±0.03) RF/AV/HDMI
Inner pattern
°K X=0.295 (±0.03)
(216gray,
Y=0.305 (±0.03)
85IRE)
°K X=0.313 (±0.03)
Y=0.329 (±0.03)
Typ : 200 <Test Signal>
(Full white,
Typ : 200
100IRE)
Typ : 200

7. Function Check

7.1. Check display and sound

■ Check input and Signal items. (cf. work instructions)
1. TV
2. AV (CVBS)
3. RGB (PC : 1920 x 1080 @ 60hz)(Display only)
4. HDMI
- 11 -
LGE Internal Use Only