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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
# HDMI3
(1) HDMI Deep Color OFF (C/S: 0x9F, 0X62)
(2) HDMI Deep Color ON (C/S: 0x9F, 0Xb8)
Checksum(HDMI 1/2/3)
5. White Balance Adjustment
5.1. White Balance Adjustment
5.1.1. Overview
(1) W/B adj. Objective & How-it-works
1) Objective: To reduce each Panel's W/B deviation
2) How-it-works : When R/G/B gain in the OSD is at 192, it
means the panel is at its Full Dynamic Range. In order
to prevent saturation of Full Dynamic range and data,
one of R/G/B is fixed at 192, and the other two is
lowered to find the desired value.
3) Adjustment condition : normal temperature
①
Surrounding Temperature : 25 ± 5 °C
②
Warm-up time: About 5 Min
③
Surrounding Humidity : 20 % ~ 80 %
5.1.2. Equipment
(1)Color Analyzer: CA-210 (LED: CH 14 / OLED: CH 17)
(2) Adj. Computer(During auto adj., RS-232C protocol is
needed)
(3) Adjustment Remote control
(4) ) Video Signal Generator MSPG-925F 720p/216-Gray
(Model:204, Pattern:49)
→ Only when internal pattern is not available
* Color Analyzer Matrix should be calibrated using CS-100.
5.1.3. Equipment connection MAP
5.1.4. Adj. Command (Protocol)
(1) Command Format
START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS A STOP
- LEN: Number of Data Byte to be sent
- CMD: Command
- VAL: FOS Data value
- CS: Checksum of sent data
- A: Acknowledge
Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX]
▪RS-232C Command used during auto-adj.
Input
FFh (Checksum)
FFh (Checksum)
Deep Color : OFF
Deep Color : ON
HDMI1
0x9F
0x82
0x9F
0XD8
HDMI2
0x9F
0X72
0x9F
0XC8
HDMI3
0x9F
0X62
0x9F
0XB8
jGh ¡G
jG
wGnG
pG{}GGGGSGG
zGzG
wG
yzTYZYjG
yzTYZYjG
|ziGGyzTYZYjG
RS-232C COMMAND
Explanation
CMD
ID
DATA
wb
00
00
Begin White Balance adj.
wb
00
01
Begin 10% window pattern brightness
check (OLED only)
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)
Содержание 55UH950V
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