Read LG 32LH40 / 32LH41 (CHASSIS:LA92B) Service Manual online
4.2. EDID / DDC download
(The Extended Display Identification Data / Display Data Channel)
(1) Overview
It is a VESA regulation. APC 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”.
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and
Play”.
(2) Equipment
1) Adj. R/C
2) Since embedded EDID data is used, EDID download jig,
2) 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, press Adj. key then
select EDID D/L. By pressing Enter key, EDID download
will begin.
will begin.
2) If Download is successful, OK is displayed.
3) If Download is a failure, NG is displayed.
4) Re-try download.
3) If Download is a failure, NG is displayed.
4) Re-try download.
(4) EDID DATA
- Reference: Download is only possible in POWER ON
MODE.
1) HDMI I [C/S: 80C1]
EDID Block 0, Bytes 0-127[00H-7FH], Block Type:EDID1.3
EDID Block 1, Bytes 128-255 [80H-FFH]
Block Type : CEA EDID Timing Extension Version3
Block Type : CEA EDID Timing Extension Version3
2) HDMI II [C/S: 7FBA]
EDID Block 0, Bytes 0-127[00H-7FH], Block Type:EDID1.3
EDID Block 0 table =
EDID Block 0 table =
EDID Block 1, Bytes 128-255 [80H-FFH]
Block Type : CEA EDID Timing Extension Version3
Block Type : CEA EDID Timing Extension Version3
4) HDMI III [C/S: 80A1]
EDID Block 0, Bytes 0-127[00H-7FH], Block Type:EDID1.3
EDID Block 1, Bytes 128-255 [80H-FFH]
Block Type : CEA EDID Timing Extension Version3
Block Type : CEA EDID Timing Extension Version3
5) HDMI IV [C/S: 7F9A]
EDID Block 0, Bytes 0-127[00H-7FH], Block Type:EDID1.3
EDID Block 1, Bytes 128-255 [80H-FFH]
Block Type : CEA EDID Timing Extension Version3
Block Type : CEA EDID Timing Extension Version3
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9A
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