LG 27BK67U - Adjustment Instruction; Main PCB Check Process (SMT)

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ADJUSTMENT INSTRUCTION
1.Application
1.1ThisdocumentisappliedtoLM8BAchassis27UK670_27BK67ULCDMonitorwhichismanufacturedinMonitorFactoryoris
producedonthebasisofthisdata.
1.2ManufacturingType:SET
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2.Designation
2.1Theadjustmentisaccordingtotheorderwhichisdesignatedandwhichmustbefollowed,accordingtotheplanwhichcan
bechangedonlyonagreeing.
2.2.PowerAdjustment:FreeVoltage
2.3.MagneticFieldCondition:Nil.
2.4.InputsignalUnit:ProductSpecificationStandard
2.5.Reserveafteroperation:Above5Minutes(HeatRun)
Temperature:at25℃±5°C/Relativehumidity:65±10%/ Inputvoltage:100~240V,50/60Hz
2.6.Adjustmentequipments:ColorAnalyzer(CA‐210orCA‐110),DDCAdjustmentJigequipment, 
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3.MainPCBcheckprocess(SMT)
 *APC‐AfterManual‐Insult,executingAPC
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3.1ADCProcess
‐27UK670_27BK67Udoesn’tneedADCprocessbecauseithasonlydigitalinputlikeDisplayPort,HDMI.
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3.2MainPCBFunctiontest
‐Checkdisplay/audioaccordingtointerface
3.3WriteHDCP2.2Key
a.WriteHDCPKeyintoFlashmemorybyusingDDC2ABprotocol&HDCPAdjustmentJigequipment.
HDCP2.2WriteCommand:E9AddressHighAddressLowex)E90000
*Theremustbeinputsignal.NoinputsignalcausestheHDCPKeywritefail.
*HDCP1.4Keyisembeddedonscaler.
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