LG Electronics 50PT490B-SD Flat Panel Television User Manual


 
V RS-232C COMMAND(Commonly apply)
O wb 00 00”: Start Auto-adjustment of white balance.
O “wb 00 10”: Start Gain Adjustment (Inner pattern)
O “jb 00 c0” :
O
O “wb 00 1f”: End of Adjustment
* If it needs, offset adjustment (wb 00 20-start, wb 00 2f-
end)
O “wb 00 ff”: End of white balance adjustment (inner
pattern disappear)
V Adjustment Mapping information
O When Color temperature (White balance) Adjustment
(Automatically)
- Press “Power only key” of service remocon and
operate automatically adjustment.
- Set BaudRate to 115200.
O You must start “wb 00 00” and finish it “wb 00 ff”.
O If it needs, then adjustment “Offset”.
(4) White Balance Adjustment (Manual adjustment)
1) Test Equipment: CA-210
- Using PDP color temperature, Color Analyzer (CA-
210) must use CH 10, which Matrix compensated
(White, Red, Green, Blue compensation) with CS-
2100. See the Coordination bellowed one.
2) Manual adjustment sequence is like bellowed one.
- Turn to “Ez-Adjust” mode with press ADJ button of
service remocon.
- Select “10.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.
- Let CA-210 to zero calibration and must has gap more
10cm from center of PDP module when adjustment.
- Press “ADJ” button of service remocon and select
“7.White-Balance” in “Ez-Adjust” then press “
G” button
of navigation key. (When press “
G” button then set will
go to full white mode)
- Adjust at three mode (Cool, Medium, Warm)
- If “cool” mode
Let B-Gain to 192 and R, G, B-Cut to 64 and then
control R, G gain adjustment High Light adjustment.
- If “Medium” and “Warm” mode Let R-Gain to 192 and
R, G, B-Cut to 64 and then control G, B gain
adjustment High Light adjustment.
- All of the three mode
Let R-Gain to 192 and R, G, B-Cut to 64 and then
control G, B gain adjustment High Light adjustment.
- With volume button (+/-) you can adjust.
- After all adjustment finished, with Enter (_ key) turn to
Ez-Adjust mode. Then with ADJ button, exit from
adjustment mode
* Attachment: White Balance adjustment coordination and color
temperature.
O Using CS-1000 Equipment.
- COOL : T=11000K, _uv=0.000, x=0.276 y=0.283
- MEDIUM : T=9300K, _uv=0.000, x=0.285 y=0.293
- WARM : T=6500K, _uv=0.000, x=0.313 y=0.329
O Using CA-210 Equipment. (10 CH)
- Contras value : 216 Gray
- Brighness spec.
- 10 -
LGE Internal Use OnlyCopyright ©2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
RS-232C COMMAND
[CMD ID DATA] Meaning
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)
RS-232C COMMAND
CENTER
[CMD ID DATA] MIN (DEFAULT) MAX
Cool Mid Warm Cool Mid Warm
R Gain jg Ja jd 00 184 192 192 192
G Gain jh Jb je 00 187 183 159 192
B Gain ji Jc jf 00 192 161 95 192
R Cut 64 64 64 127
G Cut 64 64 64 127
B Cut 64 64 64 127
Color Test Color Coordination
temperature Equipment x y
COOL CA-210 0.276 0.002 0.283 0.002
MEDIUM CA-210 0.285 0.002 0.293 0.002
WARM CA-210 0.313 0.002 0.329 0.002
Item Min Typ Max Unit Remark
White 49 60 - cd/m - 100%Window White
average Pattern
brightness - 100IRE(255Gray)
- Picture: Vivid(Medium )
Brightness -20 +20 % - 85IRE(216Gray) 100%
uniformity Window White Pattern
- Picture: Vivid(Medium)