Advertisement
(2) RS-232C Command(Automatic adjustment)
RS-232C COMMAND
[CMD
ID
DATA]
wb
00
00
White Balance adjustment start.
wb
00
10
Start of adjust gain (Inner white pattern)
wb
00
1f
End of gain adjust
wb
00
20
Start of offset adjust(Inner white pattern)
wb
00
2f
End of offset adjust
wb
00
ff
End of White Balance adjust(Inner pattern disappeared)
Ex) wb 00 00 : Start Auto-adjustment of white balance.
wb 00 10 : Start Gain Adjustment (Inner pattern)
ja 00 ff : Adjustment data
jb 00 c0 :
...
...
wb 00 1f : End of Gain adjustment
* (wb 00 20(start), wb 00 2f(end)) -> In the case of Off-
set adjustment
wb 00 ff : End of white balance adjustment
(3) Adjustment Map
ITEM
Command
Cmd 1
Cool
R-Gain
j
G-Gain
j
B-Gain
j
R-Cut
G-Cut
B-Cut
Medium
R-Gain
j
G-Gain
j
B-Gain
j
R-Cut
G-Cut
B-Cut
Warm
R-Gain
j
G-Gain
j
B-Gain
j
R-Cut
G-Cut
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Meaning
Data Range
(Hex.)
Cmd 2
Min
Max
g
00
C0
h
00
C0
i
00
C0
a
00
C0
b
00
C0
c
00
C0
d
00
C0
e
00
C0
f
00
C0
5-4. Adjustment of White Balance
(Automatic Adjustment)
1) The adjustment condition should be set by the Power On
key.
2) Perform the zero calibration of the Color Analyzer and
place the probe close to the display center.
3) Connect the communication cable (RS-232C).
4) Select the desired model of the adjustment program and
perform the adjustment.
5) After the adjustment is ended (check the OK sign), check
the adjustment condition for each mode of the set.
(Warm, Medium, Cool)
6) Disconnect the probe and the communication cable to end
the adjustment.
* The adjustment should be started with "wb 00 00" and
ended with "wb 00 ff", and the offset should be adjusted
when necessary.
5-5. Manual white Balance
1) The adjustment condition should be set by the Power On
key.
2) Press the ADJ of the R/C to enter into 'EZ-ADJUST'.
3) Select '10.TEST PATTERN' with the CH +/- key and press
the Enter key for 30 minutes or longer to perform the heat
run.
Default
4) Perform the zero calibration of the Color Analyzer and fix
(Decimal)
the sensor with the 10cm or less distance at the center of
the LCD module surface when adjusting.
5) Press the ADJ of the R/C to select '7.White-Balance' of the
TBD
Ez-Adjust and press the right arrow key(
TBD
adjustment mode. (As soon as you press '
TBD
entered into the full white inner pattern.)
TBD
6) Fix one of the R/G/B gains to 192 and decrease the
TBD
remaining two gains to adjust not to exceed 192.
TBD
7) The adjustment is done at three white balances of Cool,
Medium and Warm.
TBD
TBD
* The inner pattern is used basically, and if it is not possible,
TBD
the adjustment can be done by selecting the HDMI input.
TBD
NONE, INNER or HDMI can be selected by the bottom
TBD
option at the Ez Adjust Menu 7.White Balance menu and it is
TBD
set to INNER as default. If the adjustment cannot be done by
the inner pattern, select the HDMI to adjust.
TBD
TBD
* Adjustment environment and reference
TBD
1) Environment illuminance
TBD
Adjust it to 10 LUX or less at the place where the light
TBD
source such as lamp should be blocked at maximum.
2) Probe location
: Maintain the Color Analyzer (CA-210) close to the
3) Aging time
- Keep the power on after the aging start (with no power
- Make sure that the back light is turned on by using no
- 13 -
module surface by 10cm or less and keep the probe of
the Color Analyzer perpendicular to the module
surface (80°~ 100°).
off) to perform the heat run for 15 minutes or longer.
signal and the full white pattern or others.
G
) to enter into the
G
', the screen is
LGE Internal Use Only
Advertisement
