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LGE Internal Use OnlyCopyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
A RS-232C Command used during auto-adjustment.
Ex) wb 00 00 -> Begin white balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. completed
*(wb 00 20(Start), wb 00 2f(end)) -> Off-set adj.
wb 00 ff -> End white balance auto-adj.
A Adj. Map
4.3.5. Adjustment method
(1) Auto adjustment method
1) Set TV in adjustment mode using “POWER ON” key.
2) Zero calibrate probe then place it on the center of the
Display.
3) Connect Cable (RS-232C).
4) Select mode in adjustment program and begin adjustment.
5) When adjustment is completed(OK sign), check adjustment
status pre mode. (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adjustment.
A W/B Adj. must begin as start command “wb 00 00” , and
finish as end command “wb 00 ff”, and Adj. offset if need.
(2) Manual adj. method
1) Set TV in Adjustment mode using “POWER ON” key.
2) Zero Calibrate the probe of Color Analyzer, then place it
on the center of LCD module within 10 cm of the surface.
3) Press ADJ key -> EZ adjust using Adjustment remote
control -> 7. White-Balance then press the cursor to the
right (Key
G). (When key(G) is pressed 216 Gray internal
pattern will be displayed.)
4) One of R Gain / G Gain / B Gain should be fixed at 192,
and the rest will be lowered to meet the desired value.
5) Adjustment is performed in COOL, MEDIUM, WARM 3
modes of color temperature.
A If internal pattern is not available, use RF input. In EZ
Adj. menu “7.White Balance”, you can select one of 2
Test-pattern: ON, OFF. Default is inner(ON). By selecting
OFF, you can adjust using RF signal in 216 Gray pattern.
A Adj. condition and cautionary items
1) Lighting condition in surrounding area
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
2) Probe location
: Color Analyzer(CA-210) probe should be within 10 cm
and perpendicular of the module surface.(80° ~ 100°)
3) Aging time
- After Aging start, keep the Power ON status during
5 Minutes.
- In case of LCD, Back-light on should be checked
using no signal or Full-white pattern.
4.3.6. Reference (White Balance Adj. coordinate and
color temperature)
A Luminance : 204 Gray
A Standard color coordinate and temperature using CS-1000
(over 26 inch)
A Standard color coordinate and temperature using CA-210
(CH 9)
ITEM Command Data Range(Hex.) Default
Cmd 1 Cmd 2 Min Max (Decimal)
Cool R-Gain j g 00 C0
G-Gain j h 00 C0
B-Gain j i 00 C0
R-Cut
G-Cut
B-Cut
Medium R-Gain j a 00 C0
G-Gain j b 00 C0
B-Gain j c 00 C0
R-Cut
G-Cut
B-Cut
Warm R-Gain j d 00 C0
G-Gain j e 00 C0
B-Gain j f 00 C0
R-Cut
G-Cut
RS-232C COMMAND
Explanation
[CMD ID DATA]
wb 00 00 Begin White Balance adj.
wb 00 10 Gain adj.(internal white pattern)
wb 00 1f Gain adj. completed
wb 00 20 Offset adj.(internal white pattern)
wb 00 2f Offset adj. completed
wb 00 ff End White Balance adj.(Internal pattern disappears)
Mode Color Coordination Temp ∆UV
xy
COOL 0.269 ± 0.002 0.273 ± 0.002 13000 K 0.0000
MEDIUM 0.285 ± 0.002 0.293 ± 0.002 9300 K 0.0000
WARM 0.313 ± 0.002 0.329 ± 0.002 6500 K 0.0000
Mode Color Coordination Temp ∆UV
xy
COOL 0.269 0.273 13000 K 0.0000
MEDIUM 0.285 0.293 9300 K 0.0000
WARM 0.313 0.329 6500 K 0.0000
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