LG 42PX5D Service Manual page 12

[ [ . RS-232C Command
RS-232C Command
[CMD ID DATA]
Cool Mid
R Gain Jg Ja
G Gain Jh Jb
B Gain Ji Jc
R Offset
G Offset
B Offset
6-3. Adjustment of White Balance(manual)
Operate the Zero-calibration of the CA-100, then attach
O
sensor to PDP module surface when you adjust.
Manual adjustment is also possible by the following sequence.
O
(1) Enter '3.White-Pattern' by pressing ADJ KEY on the
Service Remote Control.
(2) Select "Test Pattern White" using Vol +/- Key and Execute
HEAT RUN at least 15 minutes.
(3) Receive the HDMI/DVI 720p 60Hz, Full size, 216 Gray
window pattern signal from AV Pattern Generator.
Input mode : HDMI/DVI
Baud rate = 115200bps
(4) Select the condition of screen Adjustment as 'Dynamic'.
(5) After attaching sensor to center of screen, select '2. White-
Balance' in 'Ez - Adjust' by pressing the ADJ KEY on the
Service R/C. Then enter adjustment mode by pressing the
Right KEY ( ) .
G
a. In case color temperature is Cool.
B Gain = 192(lock)
R-Offset/ G-Offset/ B-Offset : 65/ 55/ 65 (lock)
Adjust the High Light by using R Gain/ G Gain.
b. In case color temperature is Medium
B Gain = 192 (lock)
R-Offset/ G-Offset/ B-Offset : 65/ 55/ 65 (lock)
Adjust the High Light by using G Gain/ B Gain.
c. In case color temperature is Warm
R Gain = 192 (lock)
R-Offset/ G-Offset/ B-Offset : 65/ 55/ 65 (lock)
Adjust the High Light by using R Gain/ G Gain.
(7) Adjust using Volume +/- KEY.
luminosity value : High Level : 216gray
a. Cool : X=0.278±0.002, Y=0.279±0.002
Color temperature : 12000°K±1000°K, dUV=-3dUV
b. Medium : X=0.287±0.002, Y=0.289±0.002
Color temperature : 9300°K±1000°K, dUV=-3dUV
c. Warm : X=0.315±0.002, Y=0.316±0.002
Color temperature : 6500°K±1000°K, dUV=-3dUV
(8) After adjustment is complete, move to Ez - Adjust screen
by pressing the ENTER(
mode by press ADJ KEY.
(Automatic Adjustment)
CENTER
(DEFAULT)(Hex)
MIN
Warm Cool Mid
Jg 00 C0 C0
Jh 00 C0 C0
Ji 00 C0 C0
00 41 37
00 41 37
00 41 37
) KEY. Then exit the adjustment
A
MAX
Warm
C0 ff
C0 ff
C0 ff
41 7f
41 7f
41 7f
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