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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4.1. ADC Adjustment
4.1.1. Overview
▪ ADC adjustment is needed to find the optimum black level
and gain in Analog-to-Digital device and to compensate RGB
deviation.
▪ ADC adjustment is OTP (Auto ADC)
4.2. EDID Download
4.2.1. 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”.
4.2.2. Equipment
(1) Since EDID data is embedded, EDID download JIG, HDMI
cable is not need.
(2) Adjust by using remote controller
4.2.3. Download method (using DFT)
※ PC(for communication through RS-232C), UART baud rate:
115200 bps
Command : aa 00 00 (Start Factory mode)
Command : ae 00 10 (Download All EDID)
Command : aa 00 90 (End of Factory mode)
4.2.4. Download method (using Service Remocon)
(1) Press Adj. key on the Adj. R/C.
(2) Select EDID D/L menu.
(3) By pressing Enter key, EDID download will begin
(4) If Download is successful, OK is display, but If Download is
failure, NG is displayed.
(5) If Download is failure, Re-try downloads.
※Caution : When EDID Download, must remove HDMI
Cable.
(6) EDID Write confirmation
4.2.5. EDID DATA
4.2.5.1. North America (PCM)
4.2.5.1.1. FHD Model
■ HDMI 1-FHD-8BIT (C/S : E808)
EDID Block 0, Bytes 0-127 [00H-7FH]
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 | 01 17 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26
20 | 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
30 | 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 | 45 00 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30
50 | 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A
60 | 3E 1E 53 10 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 E8
EDID Block 1, Bytes 128-255 [80H-FFH]
0 1 2 3 4 5 6 7 8 9 A B C D E F
-----------------------------------------------------------------------------
0 | 02 03 19 F1 48 90 22 20 05 04 03 02 01 23 09 57
10 | 07 67 03 0C 00 10 00 80 1E 02 3A 80 18 71 38 2D
20 | 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 80 18 71
30 | 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1D 00
40 | 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 00 1E 8C
50 | 0A D0 8A 20 E0 2D 10 10 3E 96 00 40 84 63 00 00
60 | 18 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 08
■ HDMI 2-FHD-8BIT (C/S : E8F8)
EDID Block 0, Bytes 0-127 [00H-7FH]
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 | 01 17 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26
20 | 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
30 | 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 | 45 00 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30
50 | 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A
60 | 3E 1E 53 10 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 E8
EDID Block 1, Bytes 128-255 [80H-FFH]
0 1 2 3 4 5 6 7 8 9 A B C D E F
-----------------------------------------------------------------------------
0 | 02 03 19 F1 48 90 22 20 05 04 03 02 01 23 09 57
10 | 07 67 03 0C 00 20 00 80 1E 02 3A 80 18 71 38 2D
20 | 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 80 18 71
30 | 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1D 00
40 | 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 00 1E 8C
50 | 0A D0 8A 20 E0 2D 10 10 3E 96 00 40 84 63 00 00
60 | 18 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 F8
EDID D/L (PCM)
HDMI1 : OK
HDMI2 : OK
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