Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual Nega Posi

Page 37

Tester Checking 7

Scan IC

Scan Relay Board

(Up)

NEGA 1

POSI 2

POSI 1

NEGA 2

Judgment

OK： More than ＫΩ

NG：Shortage

Checking Point

Between NEGA and POSI

Scan Relay Board

(Down)

35

Image 37

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 Block Horizontal Horizontal Line One Black BlockBlack strip Screen Defect Lighting stripPanel Grid Opened Alarm Protection Panel Alarm FPC OpenedVs Protection High Voltage Circuit Broken 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 Vertical Output of TCP Single Line Data Grid OpenData Grid Shortage Output of TCP Two LinesMany Lines Data Grid Open TCP Broken Black Block Data Relay Board Many Blocks Data Relay Board Zebra Block Data Relay BoardHorizontal Scan Relay BoardTwo Lines Scan Relay Board Scan IC broken Block Scan Board 40 x 17mm 55 x 25mm Label a Label B20 x 17mm 55 x 15mm Vd Vbw Vsw Vp Vw Vo ltage Informa t ionPDP NP42D2MF01 Confirmation Manual Flow Chart Module Number and Panel ID Serial Numbe rPanel Crack Flexible Cable Flexible Cabl eConnectors Condition ConnectorsCo 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 Put the cushion on a table and repaired module on cushion Pre-settingRepair Re m ove connectors and cables Remove the repairing BoardRepair How to remove the connectorsFlat Cable Type C Attension Repair 2 Remove the BoardsRepair 3 Install the new boards Install the new boardRe p air 4 Connecti ng Check the cables and in socketsRepair 4 Connecting Connect some connectorsConnection Condition High Voltage Board Photograph Check working Mounting SettingVoltage Adjustment VSW、-VW AdjustmentVBW 、 VP Adjustment Action AgingColor Bar InspectionOcking Condit i on Parts Information NP42D2MF01AA, AB Ichinomiya TEC