Manual Adjustment - LG 42LA86 Series Service Manual

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 "10.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 HDMI EDID
DVI-D to HDMI or HDMI to HDMI
4.1.4. EDID DATA
▪ HDMI
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 00 FF FF FF FF FF FF
0x01 01 03 80 A0 5A
ⓒ
0x02 0F 50 54 A1 08 00 31
0x03 01 01 01 01 01 01 02
0x04 45 00 40 84 63 00 00
0x05 40 70 36 00 40 84 63
0x06 3E 1E 53 10 00 0A 20
0x07
0x00 02 03 3A F1 4E 10 9F
0x01 22 15 01 29 3D 06 C0
0x02
0x03 E3 05
ⓕ
0x04 2D 40 58 2C 45 00 40
0x05 71 1C 16 20 58 2C 25
0x06 00 72 51 D0 1E 20 6E
0x07 00 00 00 00 00 00 00
▪ Reference
- HDMI1 ~ HDMI4
- In the data of EDID, bellows may be different by S/W or
Input mode.
ⓐ Product ID
MODEL NAME HEX
HD/FHD Model 0001
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Monthly : '01' → '01', Year : '2013' → '17'
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
00 1E 6D
ⓐ ⓑ
78 0A EE 91 A3 54 4C
40 45 40 61 40 71 40
3A 80 18 71 38 2D 40
1E 66 21 50 B0 51 00
00 00 1E 00 00 00 FD
20 20 20 20 20
ⓓ
ⓓ
04 13 05 14 03 02 12
15 07 50
09 57 07
ⓕ
03 01 02 3A 80 18 71
84 63 00 00 1E 01 1D
00 40 84 63 00 00 9E
28 55 00 40 84 63 00
00 00 00 00 00 00 00
EDID Table DDC Function
01 00 Analog/Digital
ⓓ Model Name(Hex): LGTV
Cf) TV set's model name in EDID data is below.
MODEL NAME
LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV)
ⓔ Checksum(LG TV): Changeable by total EDID data.
check sum (Hex)
ⓕ Vendor Specific(HDMI)
INPUT
HDMI1
HDMI2
(1) EDID
# HDMI 1(C/S : E8 81)
EDID Block 0, Bytes 0-127 [00H-7FH]
0 1 2
00 00 FF FF
10 01 17 01
20 0F 50 54
30 01 01 01
40 45 00 40
50 40 70 36
60 3E 1E 53
70 00 4C 47
EDID Block 1, Bytes 128-255 [80H-FFH]
0 1 2
80 02 03 3A
90 22 15 01
A0 00 10 00
B0 06 10 16
C0 2D 40 58
D0 71 1C 16
99 26
E0 00 72 51
81 80
F0 00 00 00
58 2C
1B 30
# HDMI 2(C/S : E8 71)
00 3A
EDID Block 0, Bytes 0-127 [00H-7FH]
01
ⓔ1
0 1 2
20 21
00 00 FF FF
ⓕ
10 01 17 01
38 40
20 0F 50 54
80 18
30 01 01 01
01 1D
40 45 00 40
00 1E
50 40 70 36
00
ⓔ2
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
- 16 -
MODEL NAME(HEX)
EDID C/S data
Block 0
23 (HDMI1)
Block 1
13 (HDMI2)
MODEL NAME(HEX)
78030C001000801E
78030C002000801E
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
84 63 00 00 1E 66 21 50
00 40 84 63 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
29 3D 06 C0 15 07 50 09
B8 2D 20 C0 0E 01 4F 3F
10 28 10 E3 05 03 01 02
2C 45 00 40 84 63 00 00
20 58 2C 25 00 40 84 63
D0 1E 20 6E 28 55 00 40
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
84 63 00 00 1E 66 21 50
00 40 84 63 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
FHD
HDMI
42
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 E8
B C D E F
03 02 12 20 21
57 07 78 03 0C
FC 08 10 18 10
3A 80 18 71 38
1E 01 1D 80 18
00 00 9E 01 1D
84 63 00 00 1E
00 00 00 00 81
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 E8
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