GE MV1526B, MV1526W service manual Matrix Circuit for Touch KEY Board

Safety Precautions in this Manual Microwave OvenPage Table of Contents Specifications Microwave Radiation Antenna Installation Grounding InstructionsOperating Instructions Control PanelControl Panel Instructions Overall Circuit Diagram Schematic DiagramMatrix Circuit for Touch KEY Board Features and Specifications Features General Information for ServiceGeneral Precautions in USE Trial OperationPrecautions and Repair Service Tips Service InformationPreliminary Microwave Leakage Test EquipmentPower Output Measurement Measurement with the Outer Case RemovedDisassembly Instructions Important NotesHOW to Remove the F.P.C. Connector HOW to Insert the F.P.C. ConnectorRemoving the OUT CASEFigure Removing the Door Interlock Switches Figures 9,10 Wire ColorRemoving Magnetron Removing Door Figure Assembling Door Removing the Ventilation FAN ASS’YRemoving the Turntable Motor Interlock System Interlock MechanismTest the Latch and Switch Sequence Switches Components Test Procedure ResultsInterlock Continuity Test Magnetron Test and Checkout PROCEDURES, and Trouble ShootingTest Procedures HIGH-VOLTAGEHIGH-VOLTAGE Capacitor HIGH-VOLTAGE DiodeTouch KEY Board Connectorkey CON FPC ConnectorMatrix Circuit for Checkout Procedures for Fuse Blowing Checkout ProceduresPower Level RELAY2YES Good Checkout Procedures for Relay Problem aRELAY3 Problem B YESCheckout Procedures for Circuit Board Trouble Shooting Thermostat Page Fuse Exploded View Control Panel Oven Cavity Latch Board Interior 50FZZA Installation Schematic Diagram of P.C.B Printed Circuit Board July