Read LG 32LB9D / 32LB9DB / 32LB9DE (CHASSIS:LA73A) Service Manual online
- 13 -
- EDID for RGB-PC
5-3. Adjustment of White Balance
(1) Required Equipment
1) Color Analyzer : CA-210(CH 9)
2) Automatic adjustor (with automatic adjustment necessity
2) Automatic adjustor (with automatic adjustment necessity
and the RS-232C communication being possible, Baud
Rate : 115200)
Rate : 115200)
3) Video signal generator MSPG-925F 720P, 216Gray
(Model : 217, Pattern 78)
(2) Measuring device connection diagram
(for automatic adjustment)
(3) White Balance adjustment method
Basically it uses the internal pattern but when internal
pattern is not possible, you can select HDMI input for
adjustment. Through the option at the most bottom part of
the Ez Adjust Menu 7.White Balance menu, you can select
NONE, INNER and HDMI, and the default is set to INNER.
When the adjustment cannot be done with the internal
pattern, you can select HDMI input for adjustment.
pattern is not possible, you can select HDMI input for
adjustment. Through the option at the most bottom part of
the Ez Adjust Menu 7.White Balance menu, you can select
NONE, INNER and HDMI, and the default is set to INNER.
When the adjustment cannot be done with the internal
pattern, you can select HDMI input for adjustment.
For manual adjustment, press the ADJ KEY of the
adjustment R/C to enter Ez Adjust 7.White-Balance, and
the pattern is automatically displayed. (When you set the
Option to INNER, the default is always set to INNER)
adjustment R/C to enter Ez Adjust 7.White-Balance, and
the pattern is automatically displayed. (When you set the
Option to INNER, the default is always set to INNER)
1) Connect the set according to the internal pattern or
HDMI input in accordance with 4.3.2 measuring device
connection diagram.
connection diagram.
2) Set the Baud Rate of RS-232C to 115200. It is set to
115200 as default.
3) Connect the RS-232C Cable to the set.
4) Connect the HDMI Cable to the set. (Limited to the set
4) Connect the HDMI Cable to the set. (Limited to the set
with HDMI option)
5) Select and adjust the model applicable to LA73A
chassis from the adjuster.
Caution) For automatic adjustment, RS-232C Command and
Chassis are commonly applied
Caution) Adjustment map
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00 FF FF
FF
FF
FF
FF
00
1E
6D
01
00
01
01
01
01
10
00
11
01
03
18
73
41
96
0A
CF
74
A3
57
4C
B0
23
20
09
48 4C
AF CF
00
31
40
45
40
61
40
81
80
A9
40
30
01
01
01
01
01
01
66
21
50
B0
51
00
1B
30
40
70
40
36
00 C4
8E
21
00
00
1A
02
3A
80
18
71
38
2D
40
50
58 2C 45
00
C4
8E
21
00
00
1E
00
00
00
FD
00
30
60
58
1F
64
11
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
F6
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
02
03
04
00
0E
1F
00
80
51
00
1E
30
40
80
37
00
10
C4 8E
21
00
00
1C
F1
27
00
A0
51
00
25
30
50
80
20
37
00 C4
8E
21
00
00
1C
00
00
00
00
00
00
00
00
30
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
40
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
50
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
60
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
70
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
31
Color Analyzer
F u l l W h i t e P at t er n
R S-232C
(Inner Pattern)
<Fig. 8> Connection diagram for internal pattern
<Fig. 9> Connection diagram for HDMI input
Remark
RS-232C Command
[CMD ID DATA]
wb
wb
wb
wb
wb
wb
00
00
00
00
00
00
00
10
1f
20
2f
ff
Start white balance adjustment
End Gain adjustment
End Offset adjustment
R Gain
G Gain
B Gain
R Cut
G Cut
B Cut
jg
jh
ji
Cool
ja
jb
jc
Mid
RS-232C COMMAND
[CMD ID DATA]
CENTER
(DEFAULT)
jd
je
jf
00
00
00
192
192
192
127
127
127
Warm
Min
Max
184
187
192
64
64
64
Cool
192
183
161
64
64
64
Mid
192
152
95
64
64
64
Warm
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