LG 27UL550 - Total Assembly Line Process; EDID Serial Number Write; Verify HDCP Key; Set Automatic Standby Time;Factory Calibration

4. TotalAssemblylineprocess
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 4.1EDIDSerialNumberWrite
‐ThismodelDON’TneedtowritefullediddataforupdatetheSerialnumber.
JustwritetheS/Ndatabyusingadjustmentcommand.
Send Serial data
Send 24 byte
( EDID SN(4byte) + date (2byte) + Ascii SN(18byte) )
Read C/s of Serial data Read checksum data of 24 byte
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4.2VerifyHDCPKey
CheckOSDwithagingonmodeorusingMasterSignalgeneratorwithHDCPOnandconnecttomonitorwithHDMI
IftheHDCPKeyisNG,thecolorofbackgroundwillbeRed,andifOK,itscolorwillbeWhiteasbelowpicture.
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4.3SetAutomaticStandbytime
a.SetAutomaticStandbytimebyadjustmentjigequipment:Europe:4H,Others:OFF
Commandset:F70001(forEurope–set4h)
  F70000(forothers–set0ff)
b.ChecktheAutomaticStandbytimesettingvaluebyadjustmentjigequipment.
Pleasecheckthevalueof0xA60xEEaddress
 Value:0x00‐OFF
0x04‐Set4H
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4.4Factorycalibration
a. FactoryCalibration(2.2):Gamma,dE,ColorTemperature(6500k)
‐ReferenceModel:27MU67/27UD68/27UD88/27UD58/27UD88/32UD89/27UK850/27UK650/27UK600
‐Input:HDMI1/2,GrayPatternwithGammacorrectionusingcommandusing“AdjustmentCommand”
‐ThismodelmustbecalibratedGamma2.2
 Gammacalibrationandverify
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※whendoingAdjustment,Pleasemakecircumstanceasbelow.
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