LG 42LW650G/S/T/W Service Manual page 14

4.2. EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) download
(1) Overview
It is a VESA regulation. A PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of "Plug and Play".
(2) Equipment
- Adjust remote control
- Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
(3) Download method
1) Press Adj. key on the Adj. R/C, then select "10.EDID
D/L", By pressing Enter key, enter EDID D/L menu.
2) Select [Start] key by pressing Enter key, HDMI1/ HDMI2/
HDMI3/ RGB are Writing and display OK or NG.
For Analog EDID
D-sub to D-sub
(4) EDID DATA_3D
HDMI
A
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 0 FF FF FF FF FF
0x01 ⓒ 1 3 80 10
0x02 0F 50 54 A1 8 0
0x03 90 40 A9 C0 B3 0
0x04 45 0 A0 5A 0 0
0x05 40 70 36 0 A0 5A
0x06 3F 1F 52 10 0 0A
0x07
0x00 2 3 37 F1 4E 10
0x01 22 15 1 26 15 7
0x02
0x03 ⓕ E3 5 3
0x04 2C 25 0 A0 5A 0
0x05 20 6E 88 55 0 A0
0x06 38 2D 40 58 2C 45
0x07 0 0 0 0 0 0
RGB
A
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 0 FF FF FF FF FF
0x01 ⓒ 1 3 68 10
0x02 0F 50 54 A1 8 0
0x03 90 40 A9 C0 B3 0
0x04 45 0 A0 5A 0 0
0x05 40 70 36 0 A0 5A
0x06 3E 1E 53 10 0 0A
0x07
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
For HDMI EDID
DVI-D to HDMI or HDMI to HDMI
FF 0 1E 6D ⓐ
9 78 0A EE 91 A3 54
71 40 81 C0 81 0 81
2 3A 80 18 71 38 2D
0 1E 66 21 50 B0 51
0 0 0 1E 0 0 0
20 20 20 20 20 20
ⓓ
1F 84 13 5 14 3 2
50 9 57 7 ⓕ
ⓕ
1 1 1D 80 18 71 1C
0 0 9E 1 1D 0 80
5A 0 0 0 1A 2 3A
0 A0 5A 0 0 0 1E
0 0 0 0 0 0 0
FF 0 1E 6D ⓐ
9 78 0A EE 91 A3 54
71 40 81 C0 81 0 81
2 3A 80 18 71 38 2D
0 1E 66 21 50 B0 51
0 0 0 1E 0 0 0
20 20 20 20 20 20
ⓓ
(5) EDID DATA_2D
HDMI
A
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 0 FF
0x01 ⓒ
0x02 0F 50
0x03 90 40
0x04 45
0x05 40 70
0x06 3F 1F
0x07
0x00 2
0x01 22 15
0x02 ⓕ
0x03 25
0x04 6E 88
0x05 2D 40
0x06 51
0x07 0
RGB
A
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 0 FF
0x01 ⓒ
0x02 0F 50
0x03 90 40
0x04 45
0x05 40 70
0x06 3E 1E
0x07
Reference
A
- HDMI1 ~ HDMI4 / RGB
ⓑ
- In the data of EDID, bellows may be different by S/W or
4C 99 26
Input mode.
80 95 0
40 58 2C ⓐ Product ID
0 1B 30
Model Name
FD 0 39
ALL
ⓓ
1 ⓔ1
ⓑ Serial No. : Controlled on product line
12 20 21
ⓒ Month, Year: Controlled on production line:
ex) Monthly : '01' -> '01'
16 20 58
51 D0 1A
ⓓ Model Name(Hex):
80 18 71
MODEL
0 0 0
all
0 0
ⓔ2
ⓔ Checksum: Changeable by total EDID data._3D
INPUT
ⓑ
HDMI1
4C 99 26
HDMI2
80 95 0
HDMI3
40 58 2C
HDMI4
0 1B 30
FD 0 3A RGB
ⓓ
ⓔ Checksum: Changeable by total EDID data._2D
0
ⓔ3
INPUT
HDMI1
HDMI2
HDMI3
HDMI4
RGB
- 14 -
FF FF FF FF FF 0 1E
1 3 80 10 9 78 0A
54 A1 8 0 71 40 81
A9 C0 B3 0 2 3A 80
0 A0 5A 0 0 0 1E 66
36 0 A0 5A 0 0
52 10 0 0A 20 20 20
ⓓ
3 26 F1 4E 10 1F 84 13
1 26 15 7 50 9 57
E3 5 3 1 1 1D 80
0 A0 5A 0 0 0 9E
55 0 A0 5A 0 0
58 2C 45 0 A0 5A
0 1B 30 40 70 36 0 A0
0 0 0 0 0 0 0
FF FF FF FF FF 0 1E
1 3 68 10 9 78 0A
54 A1 8 0 71 40 81
A9 C0 B3 0 2 3A 80
0 A0 5A 0 0 0 1E 66
36 0 A0 5A 0 0
53 10 0 0A 20 20 20
ⓓ
HEX EDID Table
0001
0001
Year : '2010' -> '14'
MODEL NAME(HEX)
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
1 2
7F CB
7F BB
7F AB
7F 9B
X X
1 2
7F D9
7F C9
7F B9
7F A9
X X
6D
ⓐ ⓑ
EE 91 A3 54 4C 99 26
C0 81 0 81 80 95 0
18 71 38 2D 40 58 2C
21 50 B0 51 0 1B 30
0 1E 0 0 0 FD 0 39
20 20 20 ⓓ
1 ⓔ1
5 14 3 2 12 20 21
7 67 ⓕ
18 71 1C 16 20 58 2C
1 1D 0 80 51 D0 1A 20
0 1A 2 3A 80 18 71 38
0 0 0 1E 66 21 50 B0
5A 0 0 0 1E 0 0
0 0 0 0 0 0 0 ⓔ2
6D ⓐ ⓑ
EE 91 A3 54 4C 99 26
C0 81 0 81 80 95 0
18 71 38 2D 40 58 2C
21 50 B0 51 0 1B 30
0 1E 0 0 0 FD 0 3A
20 20 20 ⓓ
0 ⓔ3
DDC Function
0100 Analog
0100 Digital
3
X
X
X
X
98
3
X
X
X
X
98
LGE Internal Use Only