Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual Tester Checking

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Tester Checking 2

Fuse

Resistance and Chip Fuse on High Voltage Board

Fuse Resistance (R10), (R4), (R6)

Chip Fuse Resistance

(R20)

On High Voltage Board

R10 OK: About 2.2 Ω

R4 OK: About2.2 Ω

Fuse Resistance

(R7), (R3)

Chip Resistance

(R9)

On High Voltage Board

R4

R10

R20

R6

R6 OK: About2.2 Ω

R20 OK: About 10 Ω

NG： Opened

R7

R9

R3

R7 OK: About2.2 Ω

R3 OK: About2.2 Ω

R9 OK: About 10 Ω

NG： Opened

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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 Horizontal Line One Black Block Horizontal BlockScreen Defect Lighting strip Black stripAlarm Protection Panel Alarm FPC Opened Panel Grid 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 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 Label a Label B 40 x 17mm 55 x 25mm20 x 17mm 55 x 15mm Vd Vbw Vsw Vp Vw 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