Nega Posi | Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 specification

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

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

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 Block Black strip Screen Defect Lighting strip Panel Grid Opened Alarm Protection Panel Alarm FPC OpenedVs Protection High Voltage Circuit Broken No Picture Data 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 Open Data Grid Shortage Output of TCP Two Lines Many Lines Data Grid Open TCP Broken Black Block Data Relay Board Many Blocks Data Relay Board Zebra Block Data Relay Board Horizontal Scan Relay Board Two 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 ion PDP NP42D2MF01 Confirmation Manual Flow Chart Module Number and Panel ID Serial Numbe r Panel Crack Flexible Cable Flexible Cabl e Connectors Condition Connectors Co 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-setting Repair Re m ove connectors and cables Remove the repairing Board Repair How to remove the connectors Flat Cable Type C Attension Repair 2 Remove the Boards Repair 3 Install the new boards Install the new board Re p air 4 Connecti ng Check the cables and in sockets Repair 4 Connecting Connect some connectors Connection Condition High Voltage Board Photograph Check working Mounting Setting Voltage Adjustment VSW、-VW Adjustment VBW 、 VP Adjustment Action Aging Color Bar Inspection Ocking Condit i on Parts Information NP42D2MF01AA, AB Ichinomiya TEC