27LZ5RV-ZC (CHASSIS:ML-041D) - LG TV Service Manual (repair manual). Page 12

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3.6  EDID (The Extended Display Identification Data) 
- Connect D-Sub to DVI-I Cable to DVI-I Jack.
- Confirm the pc display by inputting the Analog signal.
- After displayed, input the Analog EDID data.
- Connect DVI D Cable to DVI Jack.
- Confirm the pc display by inputting the Digital signal.
- After displayed, input the Digital EDID data.
3.6.1  EDID DATA
<DDC DATA Analog  Set>
< DDC DATA Digital Set>
3.7  HDCP (High-Bandwidth Digital Contents Protection)  Setting
3.7.1 When transmitting HD video source of HD STB through
DVI(Digital Visual Interface), HDCP function is to execute
Display & copy protection for securing contents security.
3.7.2 Confirm whether HDCP function is operated properly by
connecting DVI Cable, after storing HDCP Key value on
EEPROM(AT24C16)[address 0
x
4EE] (Refer to Working
Order for Detailed work content ).
* Reference : HDCP adjustment is not use. We are planning
HDCP adjustment from NTSC.
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