LG 55EM970V Service Manual page 16

4. Manual Adjustment
* ADC adjustment is not needed because of OTP(Auto ADC
adjustment)
4.1 EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) download
4.1.1. 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".
4.1.2. Equipment
- Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
- Adjustment remote control
4.1.3. Download method
(1) Press "ADJ" key on the Adjustment remote control then
select "12.EDID D/L", By pressing "Enter" key, enter EDID
D/L menu.
(2) Select "Start" button by pressing "Enter" key, HDMI1/
HDMI2/ HDMI3/ HDMI4/ RGB are writing and display OK
or NG.
For Analog
D-sub to D-sub DVI-D to HDMI or HDMI to HDMI
4.1.4. EDID DATA
▪ Reference
- HDMI1 ~ HDMI4
- In the data of EDID, bellows may be different by S/W or
Input mode.
ⓐ Product ID
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Monthly : '01' → '01'
Year : '2012' → '16'
ⓓ Model Name(Hex): LGTV
ⓔ Checksum(LG TV): Changeable by total EDID data.
ⓕ Vendor Specific(HDMI)
# HDMI 1
EDID Block 0, Bytes 0-127 [00H-7FH]
0 1 2 3 4 5
00 00 FF FF FF FF FF
10 01 16 01 03 80 A0
20 0F 50 54 A1 08 00
30 01 01 01 01 01 01
40 45 00 A0 5A 00 00
50 40 70 36 00 A0 5A
60 3F 1F 52 10 00 0A
70 00 4C 47 20 54 56
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
For HDMI EDID
6 7 8 9 A B C D
FF 00 1E 6D 01 00 01 01
5A 78 0A EE 91 A3 54 4C
31 40 45 40 61 40 71 40
02 3A 80 18 71 38 2D 40
00 1E 66 21 50 B0 51 00
00 00 00 1E 00 00 00 FD
20 20 20 20 20 20 00 00
0A 20 20 20 20 20 20 20
EDID Block 1, Bytes 128-255 [80H-FFH]
0 1 2
00 02 03 37
10 22 15 01
20 B8 2D 20
30 10 28 10
40 2C 45 00
50 20 58 2C
60 D0 1E 20
70 00 00 00
# HDMI 2
EDID Block 0, Bytes 0-127 [00H-7FH]
0 1 2
00 00 FF FF
10 01 16 01
20 0F 50 54
30 01 01 01
40 45 00 A0
50 40 70 36
60 3E 1E 53
70 00 4C 47
EDID Block 1, Bytes 128-255 [80H-FFH]
0 0 1 2
00 02 03 37
10 22 15 01
20 B8 2D 20
30 10 28 10
40 2C 45 00
50 20 58 2C
60 D0 1E 20
70 00 00 00
# HDMI 3
EDID Block 0, Bytes 0-127 [00H-7FH]
0 1 2
00 00 FF FF
10 01 16 01
20 0F 50 54
30 01 01 01
40 45 00 A0
50 40 70 36
60 3E 1E 53
70 00 4C 47
EDID Block 1, Bytes 128-255 [80H-FFH]
0 1 2
00 02 03 37
10 22 15 01
20 B8 2D 20
30 10 28 10
40 2C 45 00
E F
50 20 58 2C
01 01
60 D0 1E 20
99 26
70 00 00 00
81 80
58 2C
1B 30
00 39
00 FC
01 43
- 16 -
3 4 5 6 7 8 9 A
F1 4E 10 9F 04 13 05 14
26 15 07 50 09 57 07 78
C0 0E 01 4F 3F FC 08 10
E3 05 03 01 02 3A 80 18
A0 5A 00 00 00 1E 01 1D
25 00 A0 5A 00 00 00 9E
6E 28 55 00 A0 5A 00 00
00 00 00 00 00 00 00 00
3 4 5 6 7 8 9 A
FF FF FF FF 00 1E 6D 01
03 80 A0 5A 78 0A EE 91
A1 08 00 31 40 45 40 61
01 01 01 02 3A 80 18 71
5A 00 00 00 1E 66 21 50
00 A0 5A 00 00 00 1E 00
10 00 0A 20 20 20 20 20
20 54 56 0A 20 20 20 20
3 4 5 6 7 8 9 A
F1 4E 10 9F 04 13 05 14
26 15 07 50 09 57 07 78
C0 0E 01 4F 3F FC 08 10
E3 05 03 01 02 3A 80 18
A0 5A 00 00 00 1E 01 1D
25 00 A0 5A 00 00 00 9E
6E 28 55 00 A0 5A 00 00
00 00 00 00 00 00 00 00
3 4 5 6 7 8 9 A
FF FF FF FF 00 1E 6D 01
03 80 A0 5A 78 0A EE 91
A1 08 00 31 40 45 40 61
01 01 01 02 3A 80 18 71
5A 00 00 00 1E 66 21 50
00 A0 5A 00 00 00 1E 00
10 00 0A 20 20 20 20 20
20 54 56 0A 20 20 20 20
3 4 5 6 7 8 9 A
F1 4E 10 9F 04 13 05 14
26 15 07 50 09 57 07 78
C0 0E 01 4F 3F FC 08 10
E3 05 03 01 02 3A 80 18
A0 5A 00 00 00 1E 01 1D
25 00 A0 5A 00 00 00 9E
6E 28 55 00 A0 5A 00 00
00 00 00 00 00 00 00 00
LGE Internal Use Only
B C D E F
03 02 12 20 21
03 0C 00 10 00
18 10 06 10 16
71 38 2D 40 58
80 18 71 1C 16
01 1D 00 72 51
00 1E 00 00 00
00 00 00 00 11
B C D E F
00 01 01 01 01
A3 54 4C 99 26
40 71 40 81 80
38 2D 40 58 2C
B0 51 00 1B 30
00 00 FD 00 3A
20 00 00 00 FC
20 20 20 01 43
B C D E F
03 02 12 20 21
03 0C 00 20 00
18 10 06 10 16
71 38 2D 40 58
80 18 71 1C 16
01 1D 00 72 51
00 1E 00 00 00
00 00 00 00 01
B C D E F
00 01 01 01 01
A3 54 4C 99 26
40 71 40 81 80
38 2D 40 58 2C
B0 51 00 1B 30
00 00 FD 00 3A
20 00 00 00 FC
20 20 20 01 43
B C D E F
03 02 12 20 21
03 0C 00 30 00
18 10 06 10 16
71 38 2D 40 58
80 18 71 1C 16
01 1D 00 72 51
00 1E 00 00 00
00 00 00 00 F1