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- 24MT44A (HDMI)
** HDMI : 256Bytes
0
1
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0
00
FF
FF
FF
FF
FF
10
01
17
01
03
80
34
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0F
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4A
21
08
00
30
90
40
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A9
C0
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09
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2C
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25
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2C
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20
09
4. Final Assembly Adjustment
4.1. White Balance Adjustment
4.1.1. Overview
▪ 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 °C ± 5 °C
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
4) Before White balance adjustment, Keep power on
status, don't power off
* 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 10cm and perpendicular of the module surface
(80°~ 100°)
(3) Aging time
1) After Aging Start, Keep the Power ON status during
5 Minutes.
2) In case of LCD, Back-light on should be checked
using no signal or Full-white pattern.
4.1.2. Equipment
(1) Color Analyzer: CA-210 (NCG: CH 9 / WCG: CH12 / LED:
CH14)
(2) Adj. Computer (During auto adj., RS-232C protocol is
needed)
(3) Adjust Remocon
(4) Video Signal Generator MSPG-925F 720p/204-
Gray(Model: 217, Pattern: 49)
* Color Analyzer Matrix should be calibrated using CS-1000
Copyright ©
LG Electronics. Inc. All right reserved.
Only for training and service purposes
6
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9
A
B
C
D
FF
00
1E
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CA
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AA
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1A
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2C
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4.1.3. Equipment connection
E
F
Probe
01
01
9E
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81
40
46
8F
2D
40
00
38
00
FC
01
30
4.1.4. Adjustment Command (Protocol)
12
14
(1) RS-232C Command used during auto-adj.
00
10
RS-232C COMMAND
25
21
CMD
ID
00
09
wb
00
28
55
wb
00
20
10
38
2D
(2) Adjustment Map
00
6F
Adj. item
R Gain
G Gain
B Gain
Cool
R Cut
G Cut
B Cut
R Gain
G Gain
B Gain
Medium
R Cut
G Cut
B Cut
R Gain
G Gain
Warm
B Gain
R Cut
G Cut
- 9 -
DFT JIG
RGB Cable
R
S -232C
Signal Source
* If TV internal pattern is used, not needed
Explantion
DATA
00
Begin White Balance adjustment
End White Balance adjustment
ff
(internal pattern disappears )
Command
Data Range
(lower caseASCII)
(Hex.)
CMD1
CMD2
MIN
MAX
j
g
00
j
h
00
j
i
00
j
a
00
j
b
00
j
c
00
j
d
00
j
e
00
j
f
00
LGE Internal Use Only
Co lo r Analyzer
RS -232C
Co m p ut er
RS -232C
Pat t ern Generat o r
Default
(Decimal)
C0
C0
C0
C0
C0
C0
C0
C0
C0
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