Printed Circuit Board | Goldstar MA-2005ST instruction

PRINTED CIRCUIT BOARD

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Goldstar MA-2005ST service manual Printed Circuit Board

Contents

Microwave Oven Safety Precautions How a Microwave Oven Works Function & Type 1/2Type of Microwave Oven Function & Type 2/2 Grill Cooking Installation & Utensils 1/2 Installation Installation & Utensils 2/2 Cooking Utensils History of dielectric heating What’s the microwave? 1/2Principle of dielectric heating What’s the microwave? 2/2 Safety of microwave ovenDefinition of electric wave Conventional heating vs. dielectric heating Conventional heating Door Construction of microwave ovenCavity Controller How does the microwave oven operate? Input Senondary Winding AT Microwave generation systemMagnetron 1/2 Testing Magnetron Tube Microwave generation systemMagnetron 2/2 What is Multi-Wave Multiwave system Infrared sensor What’s the infrared sensor? Conventional Heater Auto moving heaterWhat’s does move automatically? LG’s Auto Moving Heater Specifications Features Control Panel Operating Sequence Schematic Circuit Description Necessary Tools Tools and Measuring InstrumentsMicrowave Leakage Test Necessary Measuring Instruments Measurement with a Fully Assembled Oven Measurement with Outer Case RemovedRecord Keeping and Notification After Measurement Power Supply Cord Measurement of Microwave Power OutputDisassembly and Adjustment Control Panel Assembly PCB Assembly Removal Door Main Assembly Removal Magnetron Removal AIR Duct Assembly RemovalRemoving the Turntable Motor High Voltage Capacitor and Diode Removal FAN Motor Assembly RemovalHigh Voltage Transformer Removal Interlock System Monitor Switch Test Primary Interlock Switch TestSecondary Interlock Switch Test Interlock Continuity Test Component Test Procedure Components Test Procedure Components Test Procedure Results Relay Trouble Shooting Condition Cause Remedy Result Result Condition Check Defective PCB assembly Defective high voltage transformer Exploded View Introduction Door Parts Controller Parts Oven Cavity Parts Latch Board Parts Interior Parts Base Plate Parts Schematic Diagram of P.C.B Printed Circuit Board