Read LG 72LEX9S-CA (CHASSIS:LC03N) Service Manual online
- 10 -
※
Manual Download
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
☞
Caution
- Never connect HDMI & D-sub Cable at the
same time.
- Use the proper cables as below for EDID writing.
- Download HDMI1, HDMI2, HDMI3 separately
- Download HDMI1, HDMI2, HDMI3 separately
because each data is different.
For Analog EDID
For HDMI EDID
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
■ 72LEX9(s)-CA
[
RGB
EDID data : 128 byte ]
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 00 FF FF FF FF FF FF 00
1E 6D
ⓐ
ⓑ
10
ⓒ
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
ⓓ
70
ⓓ
00 ⓔ
[
HDMI
EDID data : 256 byte ]
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
00 00 FF FF FF FF FF FF 00
1E 6D
ⓐ
ⓑ
10
ⓒ
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
ⓓ
70
ⓓ
01 ⓔ
80 02 03 26 F1 4E 10
1F
84
13
05
14
03
02 12 20 21
90 22 15 01 26 15 07
50
09
57
07
ⓕ
A0
ⓕ
E3 05 03 01
01
1D
80
18
71
1C
16 20 58 2C
B0 25 00
A0 5A 00
00
00
9E
01
1D
00
80
51 D0 0C 20
C0 40 80 35 00
A0 5A
00
00
00
1E
02
3A
80 18 71 38
D0 2D 40 58 2C 45 00
A0 5A
00
00
00
1E
66 21 50 B0
E0 51 00 1B 30 40 70
36
00
A0 5A
00
00
00 1E 00 00
F0 00 00 00 00 00 00
00
00
00
00
00
00
00 00 00 ⓔ
No.
Item
Condition
Hex Data
1 Manufacturer ID
GSM
1E6D
2 Version
Digital : 1
01
3 Revision
Digital : 3
03
☞
Detail EDID Options are below (ⓐ, ⓑ, ⓒ, ⓓ, ⓔ, ⓕ)
ⓐ
Product ID
MODEL NAME HEX EDID Table DDC Function
FHD
0001
01
00
Analog/Digital
ⓑ
Serial No. : Controlled on production line.
ⓒ
Week, Year : Fixed as S/W
released day(same as MES data)
Week 0x02(2), Year 0x13(2009)
ⓓ
Model Name(Hex) :
MODEL
MODEL NAME(HEX)
Remark
All Models
00 00 00 FC 00 4C 47 20 54 56 0A
20 20 20 20 20 20 20
LG TV
ⓔ
Checksum
Model RGB
HDMI1
HDMI2
HDMI3
FHD
0x1d 0xD7, 0x39 0xD7, 0x29 0Xd7, 0x19
ⓕ
Vendor Specific(HDMI)
Model INPUT HEX
Remark
HDMI1 67 03 0C 00
10
00 B8 2D
HDMI2 67 03 0C 00
20
00 B8 2D
FHD
67 03 0C 00
30
00 B8 2D
HDMI3
4.6
V-Com
adjustment(
Only M+S models
which use LGD module)
1) Why need Vcom adjustment?
▣ The Vcom (Common Voltage) is a Reference
Liquid Crystal need for Polarity Change with
every frame.
Voltage of Liquid Crystal Driving.
Row Line
Column Line
C
LC
C
ST
Panel
S
Y
S
T
E
Y
S
T
E
M
G
at
e
Driv
e
IC
So urce D r iv e I C
Circuit Block
Ti m in g
Co nt r o ll er
Po w er
Blo ck
V
COM
Gamma
Re f er ence V o ltage
Gamm a Reference
Volta ge
Data (R,G,B) & C ontro l s ignal
Control si gnal
Data (R,G,B ) &
Control si gnal
In
te
rf
a
ce
TFT
Po w er I n p u t
Power Input
Da t a I n p u t
Da t a I n p u t
V
COM
Liquid
Crystal
V
COM
2) Adjust sequence (Method 1)
- Push ‘
PIP’ key .
-
If there is flicker at default value, turn down or
turn up until no flicker, push ‘OK’ key to store.
- Push ‘
Exit’ key to exit.
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