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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
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.
4.1.4. EDID DATA
(1) EDID DATA
▪ Reference
- HDMI1 ~ HDMI4 / RGB
- 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) Week : '01' -> '01'
Year : '2012' -> '16' fix
ⓓ. Model Name(Hex): LGTV
ⓔ. Checksum: Changeable by total EDID data.
ⓕ. Vendor Specific(HDMI)
For Analog For HDMI EDID
D-sub to D-sub DVI-D to HDMI or HDMI to HDMI
HEX EDID Table DDC Function
0001 01 00 Analog/Digital
Chassis MODEL NAME(HEX)
LD22E 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
INPUT MODEL NAME(HEX)
HDMI1 67 03 0C 00 10 00 80 2D
HDMI2 67 03 0C 00 20 00 80 2D
HDMI3 67 03 0C 00 30 00 80 2D
HDMI4 67 03 0C 00 40 00 80 2D
ⓔ1 ⓔ2 ⓔ3
HDMI1 43 15 X
HDMI2 43 05 X
HDMI3 43 F5 X
HDMI4 43 E5 X
RGB X X 5C