42PG3000-ZA (CHASSIS:PD83A) - LG TV Service Manual (repair manual). Page 8

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8. EDID
(The Extended Display Identification Data )
/DDC
(Display Data Channel)
download
8-1. Required Test Equipment
(1) Adjusting PC with S/W for writing EDID Data.
(S/W : EDID TESTER Ver.2.5)
(2) A Jig for EDID Download.
(3)  Cable  :  Serial(9Pin  or  USB)  to  D-sub  15Pin  cable,  D-sub
15Pin cable, DVI to HDMI cable.
8-2. Required Test Equipment
8-3. Preparation for Adjustment
(1) Connect the Set, EDID Download Jig, PC & Cable.
(2)  Turn  on  the  PC  &  EDID  Download  Jig.  Set  up  the  S/W
option.
(3) Power on the Set.
8-4. Sequence of Adjustment
(1) EDID Download
1) Init the data.
2) Load the EDID data.(Open File).
[ Analog file ] (for RGB)]
[ Digital file ] (for HDMI)
3) Set the S/W as below.
4) Push the “Write Data & Verify”button. And confirm “Yes”.
5) If the writing is finished, you will see the “OK” message.
6) If TV has three HDMI INPUT, you must download three
times for each HDMI.
8-5. EDID DATA
1) Analog-RGB.
=> Detail EDID Options are below([1],[2],[3],[4],[5])
1.[1]-Product ID
2. [2]-Serial No :  Controlled on production line.
3. [3]-Month, Year : Controlled on production line.
ex) Monthly:   '03'     =>  '03' 
Year     :  '2006' =>  '10'
4. [4]-Model Name :  model name.
5. [5]-Checksum -> Changeable by total EDID data.
2) HDMI_1.
=> Detail EDID Options are below([1],[2],[3],[4],[5])
1.[1]-Product ID
2. [2]-Serial No :  Controlled on production line.
3. [3]-Month, Year : Controlled on production line.
ex) Monthly:   '03'     =>  '03' 
Year     :  '2006' =>  '10'
4. [4]-Model Name :  model name.
5. [5]-Checksum -> Changeable by total EDID data
- 8 -
(Fig.5) Connection Diagram of DDC download
[1]
[2]
[3]
[4]
[5]
[1]
[2]
[3]
[4]
[5]
[5]
42PG3000
Product ID
Product ID
Model Name
EDID table
019D
Hex
9D11
40193
42PG3000
Product ID
Product ID
Model Name
EDID table
029D
Hex
9D02
40194
42PG3000
00 00 00 FC 00 34 32 50 47 33 30 30 30 0A 20 20 20 20
Model Name
Model Name(Hex)
42PG3000
00 00 00 FC 00 34 32 50 47 33 30 30 30 0A 20 20 20 20
Model Name
Model Name(Hex)
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