50PB65-ZA (CHASSIS:PD73A) - LG TV Service Manual (repair manual). Page 7

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6. EDID (The Extended Display
Identification Data)/ DDC (Display
Data Channel) download
6-1. 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
6-2. Setting of device
6-3. Preparation for Adjustment
1) As above Fig. 2, Connect the Set, EDID Download Jig, PC
& Cable.
2)  Turn  on  the  PC  &  EDID  Download  Jig.  And  Execute  the
S/W : EDID TESTER Ver,2.5.
3) Set up S/W option.
Repeat Number : 5
Device Address : A0
PageByte : 8
4) Power on the Set.
6-4. Sequence of Adjustment
- 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  two  HDMI,  you  must  download  two  times  for
each HDMI.
(Fig. 2) Connection Diagram of DDC download
Open File
Open File
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