Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual Horizontal Line

Page 45

Horizontal Line

Horizontal Line

single line, two lines or block

Single

Two lines

Block

Block

a)The broken surface IC on scan IC driver.

Check the resistance between NEGA and POSI on scan IC board. ( Normal: KΩ Level)

b)The broken scan flexible cable.

c)Lacking connector between scan IC and scan board.

d)Shortage between each pins on scan IC by foreign metal material.

e)Contact malfunction between connector and flexible cable on scan relay board.

( CN01 – CN04, CN06 – CN09 ) Check the contact by pushing.

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Contents KE-42MR1/42MR1E/MR42M1 Contents PDP NP series Confirmation Common Manual No Signal Malfunction PhenomenonPDP Malfunction Phenomenon Abnormal Screen Abnormal Color Abnormal BlockPDP Ma l function Phe nomenon Vertical Vertical Line Single Line Two Lines Many Lines Vertical Vertical Block One Black Block One Zebra 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 PictureAlarm Protection Vd Protection TCP Broken Data Relay Board Broken5V Protection Digital Board Broken High Voltage Circuit Broken No Priming No Signal Digital Board BrokenVacuum 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