Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual Ester Checkin g

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Tester Checking 4

Data IC

Check between (#1 pin or #2 pin) and GND

Data Relay Board (Right) #1 pin or #2 pin at CN12

（Vd Voltage Line of Data IC）

OK: Opened

NG: Shortage

Check the resistance between (#1 pin or #2 pin) and GND with tester.

In case of shortage, it is caused by malfunction of data IC.

Check the surface of data IC after removing the heat sink and Take some pictures.

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Contents KE-42MR1/42MR1E/MR42M1 Contents PDP NP series Confirmation Common Manual Malfunction Phenomenon No SignalPDP Malfunction Phenomenon Abnormal Block Abnormal Screen Abnormal ColorPDP Ma l function Phe nomenon Vertical Vertical Line Single Line Two Lines Many Lines One Zebra Block Vertical Vertical Block One Black BlockMany Black Blocks Horizontal Horizontal Line One Black Block Horizontal BlockScreen Defect Lighting strip Black stripVs Protection High Voltage Circuit Broken Alarm Protection Panel Alarm FPC OpenedPanel Grid Opened No PictureData Relay Board Broken Alarm Protection Vd Protection TCP Broken5V Protection Digital Board Broken Digital Board Broken High Voltage Circuit Broken No Priming No SignalVacuum Tube Cracking Abnormal Screen High Voltage Circuit Broken Output of TCP Single Line Data Grid Open VerticalOutput of TCP Two Lines Data Grid ShortageMany Lines Data Grid Open TCP Broken Black Block Data Relay Board Zebra Block Data Relay Board Many Blocks Data Relay BoardScan Relay Board HorizontalTwo Lines Scan Relay Board Scan IC broken Block Scan Board 20 x 17mm 55 x 15mm Vd Vbw Vsw Vp Vw Label a Label B40 x 17mm 55 x 25mm Vo ltage Informa t ionPDP NP42D2MF01 Confirmation Manual Flow Chart Serial Numbe r Module Number and Panel IDPanel Crack Flexible Cabl e Flexible CableConnectors Connectors ConditionCo n nector Check i ng Locked Unlocked Ester Checkin g Tester Checking Tester Checking Ester Checkin g Parts Location High Voltage Board Tester Checking Nega Posi Strip Defect Strip Defect Vertical Line Shortage Mode All Red Pattern Vertical Line Vertical Line Vertical Line Horizontal Line 42HD2 Board Location PDP NP42D2MF01 Repair Manual Repair Flow Chart Preparation Pre-setting Put the cushion on a table and repaired module on cushionRemove the repairing Board Repair Re m ove connectors and cablesHow to remove the connectors RepairFlat Cable Type C Repair 2 Remove the Boards AttensionInstall the new board Repair 3 Install the new boardsCheck the cables and in sockets Re p air 4 Connecti ngConnect some connectors Repair 4 ConnectingConnection Condition High Voltage Board Photograph Mounting Setting Check workingVSW、-VW Adjustment Voltage AdjustmentVBW 、 VP Adjustment Aging ActionInspection Color BarOcking Condit i on Parts Information NP42D2MF01AA, AB Ichinomiya TEC