LG 42LB9RTA Service Manual page 13

8. White Balance
* Caution : Before White-balance, the AV ADC should be done.
=> Notice
- Do the white balance adjustment under the 10LUX
- Before white balance, press the In-start key 2times and do
the reset like Fig.5
- Use the Torino inner pattern(216 gray pattern)
- To enter White-balance mode,press the IN-START key
2times.
* Caution : - System control RS-232 Host should be "PC" for
adjustment.
White Balance(Hex)
Color Temp.
Red Gain.
Green Gain.
Blue Gain.
Red Offset
Green Offset
Blue Offset
Reset
* Test Equipment
LCD : Color Analyzer ( CA-110), PDP : Color Analyzer (CA-
100)
CA-210 : The both of LCD and PDP are available.
PC (for communication through RS-232C) -> UART Baud
rate : 115200
Pattern Generator (MSPG-925FA etc. )
* Color Temperature & Color Coordinates Setting
When adjusting the Color Temperature of LCD, Color
AnalyzerCA-210(Matrix should be corrected through CH9 of
CS-1000) should be used.
When adjusting the Color Temperature of PDP, Color
AnalyzerCA-210(Matrix should be corrected through CH10
of CS-1000) should be used.
Adjust the Color Temperature based below adjustment color
coordinates.
Even if CH9 of CA-210 is corrected with Matrix, there may
be many character of Module and Filter.
Therefore Refer to the below Color Coordinates Target.
But, in case of WCG module, use the CH12 of CA-210.
Copyright©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Cool
80
80
80
80
80
80
_ To set
(Fig. 4)
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LGE Internal Use Only