Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual TCP Broken Black Block Data Relay Board

Page 17

Vertical

TCP Broken

Black Block

Data Relay Board

TCP is not working.

CHECK POINT

The surface of TCP is damaged.

The buffer IC is not working on signal lines.

The connector on data relay board is opened by the cracking of solder.

CHECK POINT

Input signal condition.

REWORK

We can not rework this.

REWORK

Change the data relay board.

15

Image 17

Contents KE-42MR1/42MR1E/MR42M1 Contents PDP NP series Confirmation Common Manual PDP Malfunction Phenomenon No SignalMalfunction Phenomenon PDP Ma l function Phe nomenon Abnormal Screen Abnormal ColorAbnormal Block Vertical Vertical Line Single Line Two Lines Many Lines Many Black Blocks Vertical Vertical Block One Black BlockOne Zebra Block 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 Picture5V Protection Digital Board Broken Alarm Protection Vd Protection TCP BrokenData Relay Board Broken Vacuum Tube Cracking High Voltage Circuit Broken No Priming No SignalDigital Board Broken 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