LG 26LC7C Service Manual page 13

* RS-232C Command
- LA75C Chassis Model All
RS-232C COMMAND
[CMD ID DATA]
Cool Mid Warm
R Gain jg ja jd
G Gain jh jb je
B Gain ji jc jf
R Cut
G Cut
B Cut
7-4. White Balance Adjustment(Manual)
(1) Test Equipment: CA-210
(2) Manual adjustment sequence is like bellowed one.
1)Turn to "Ez-Adjust" mode with press ADJ button of
service remocon.
2) Select "9.Test Pattern" with CH+/- button and press
enter. Then set will go on Heat-run mode. Over 30
minutes set let on Heat-run mode.
3) Let CA-210 to zero calibration and must has gap more
10cm from center of LCD module when adjustment.
4) Press "ADJ" button of service remocon and select
"6.White-Balance" in "Ez-Adjust" then press "
of navigation key. (When press "
go to full white mode)
5) Adjust at three mode (Cool, Medium, Warm)
- When R Gain is fixed at 192
: Control G Gain and B Gain by reducing them from 192.
- When B Gain is fixed at 192,
: Control R Gain and G Gain by reducing them from 192.
- When G Gain is fixed to 192,
: Control R Gain and B Gain by reducing them from 192.
Fix one of three Gains (R Gain, G Gain, and B Gain) at 192
and control the other two by reducing values from 192 to
prevent it from increasing.
(When RGB Gains are all 192, the module is in full dynamic
range.)
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
(Automatic Adjustment)
CENTER
(DEFAULT)(Decimal)
Min
Cool Mid Warm
00
00
00
64 64 64
64 64 64
64 64 64
G
" button then set will
Max
(Deci
mal)
192
192
192
G
" button
- 13 - LGE Internal Use Only