LG 55X6500-TD - Page 12

- 12 -
LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
(4) EDID DATA
A RGB
A HDMI
* Physical Add & Checksum(HDMI1/2/3/4)
4.3. White Balance Adjustment
4.3.1 Overview
(1) W/B adj. Objective & How-it-works
(2) Objective: To reduce each Panel’s W/B deviation
(3) 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.
(4) Adj. condition : normal temperature
1) Surrounding Temperature : 25 ºC ± 5 ºC
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
4.3.2 Equipment
1) Color Analyzer: CA-210 (LED Module : CH 14)
2) Adj. Computer(During auto adj., RS-232C protocol is
needed)
3) Adjust Remote control
4) Video Signal Generator MSPG-925F 720p/216-Gray
(Model:217, Pattern:78)
-> Only when internal pattern is not available
A Color Analyzer Matrix should be calibrated using CS-1000
4.3.3. Equipment connection MAP
4.3.4. Adj. Command (Protocol)
<Command Format>
- 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]
A RS-232C Command used during auto-adj.
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(completed)) -> Off-set adj.
wb 00 ff -> End white balance auto-adj.
A Adj. Map
0123456789ABCDEF
0 00FFFFFFFFFFFF001E6D01 00 0101 0101
10 01 14 01 03 80 10 09 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 71 4F 81 80 01 01 01 01 01 01
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 01 1D 00 72 51 D0 1E 20
50 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 D7
80 02 03 37 F1 4E 10 1F 84 13 05 14 0.3 02 12 20 21
90 22 15 01 26 15 07 50 09 57 07 78 03 0C 00 XX XX
A0 B8 2D 20 C0 0E 01 40 0A 3C 08 20 18 20 98 20 58
B0 20 38 20 E3 05 03 01 01 1D 80 18 71 1C 16 20 58
C0 2C 25 00 A0 5A 00 00 00 9E 01 1D 00 80 51 D0 1A
D0 20 6E 88 55 00 A0 5A 00 00 00 1A 02 3A 80 18 71
E0 38 2D 40 58 2C 45 00 A0 5A 00 00 00 1E 00 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 XX
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0 00FFFFFFFFFFFF001E6D01 000101 0101
10 01 14 01 03 68 10 09 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 81 80 61 40 45 40 31 40 01 01
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 01 1D 00 72 51 D0 1E 20
50 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 00 1D
INPURT 9Eh/9Fh(Physical Add) FFh(Checksum)
HDMI 1 10 00 7B
HDMI 2 20 00 6B
HDMI 3 30 00 5B
HDMI 4 40 00 4B
Color Analyzer
Computer
Pattern Generator
RS-23 2C
RS-232C
RS-232C
Probe
Signal Source
* If TV internal pattern is used, not needed
LEN CMD VAL
CS
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)
ITEM Command Data Range(Hex.) Default(Decimal)
Cmd 1 Cmd 2 Min Max
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