Haier L42C1180 Service Manual page 48

Step6. Write HDMI EDID.
Connection for writing HDMI EDID.
Connect to TV HDMI port.
Connect to PC LPT port.
12V DC input
Notice: When writing HDMI EDID, the TV must be AC on, or the process can't continue, and will prompt
"NG" info.
The other steps refer to the writing VGA EDID sop.
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