LG 22LG3000 Service Manual page 22

3.2. W/B Adjustment
• The color temperature at the screen Should be :
CCT
x
y
Tolerance ∆x, ∆y = +/- 0.020
Factory alignment tolerance ∆x, ∆y = +/- 0.005
3.2.1 Prepare
1) Power on the Chorma 22291/23291 and power on the PC.
2) Change TV Source to PC mode。
3) Connect PC Com3 to Chroma 22291/23291 RS-232 connector. Make sure USB-to-Serial Com to Com7.
3.2.2 W/B Adjust
1)Open the program， press the Config button， if serial Comm open fail, then you must check whether Com3 and Com7
are exist。
2) Press Connect to CA-210 button, then wait a minute, until connect OK.
3)If step one and step two are OK，press the PROGRAM button start adjustment。
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Only for training and service purposes
Warm
6500k
0.314
0.324
Normal
9300k
0.283
0.297
- 22 -
Cool
11000k
0.273
0.285
LGE Internal Use Only