42PT250-ZG (CHASSIS:PD13K) - LG TV Service Manual (repair manual). Page 10

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7-9. EDID DATA
(1) 2D - HD RGB EDID data
(2) 2D - HD HDMI1 EDID data
(3) 2D - HD HDMI2 EDID data
(4) 2D - HD HDMI3 EDID data
ⓐ Vender ID
Checksum: Changeable by total EDID data.
8. Checking the EYE-Q Operation.
(1) Press the EYE Key on the adjustment remote controller.
(2) Check the Sensor DATA ( It must be under 10) and keep
the data longer than 1.5s
(3) Check ‘OK’
(Sensor DATA 0 ~ 4095, Power Saving Mode 0 ~ 12)
* IF you press IN-STAP Button, change Green Eye-check OSD.
9. Model name & Serial number
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9-1. Model name & Serial number D/L 
(1) Press “Power on” key of service remocon.(Baud rate :
115200 bps)
(2) Connect RS232 Signal Cable to RS-232 Jack.
(3) Write Serial number by use RS-232.
(4) Must check the serial number at signal test of customer
support. (Refer to below).
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