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Goldstar MV1502W - User Manual

Goldstar MV1502W
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MICROWAVE OVEN
SERVICE MANUAL
MODEL: MV1502W
MV1502B
CAUTION
BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.
Website: http://us.lgservice.com
P/NO : 3828W5S4060
June, 2004
Printed in Korea

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Summary

SAFETY PRECAUTIONS

PRECAUTIONS FOR MICROWAVE ENERGY EXPOSURE

Read safety precautions to avoid exposure to microwave energy during servicing.

FOREWORD

SPECIFICATIONS

CAUTIONS AND WARNINGS

MICROWAVE RADIATION HAZARDS

Warning about potential microwave radiation exposure during servicing.

QUALIFIED SERVICE PERSONNEL REQUIREMENT

Specifies that only qualified personnel should service the oven.

INSTALLATION GUIDELINES

INSTALLATION PRECAUTIONS

Instructions and precautions for proper installation of the microwave oven.

GROUNDING INSTRUCTIONS

Guidance on proper grounding for electrical safety during installation.

OPERATING INSTRUCTIONS: CONTROL PANEL

CONTROL PANEL LAYOUT

Diagram and labels for the microwave oven's control panel buttons.

CONTROL PANEL FUNCTION DESCRIPTIONS

OVERALL CIRCUIT DIAGRAM

MATRIX CIRCUIT FOR TOUCH KEY BOARD

GENERAL SERVICE INFORMATION

GENERAL PRECAUTIONS IN USE

Important safety precautions for using the microwave oven.

TRIAL OPERATION PROCEDURE

Step-by-step guide for performing a trial operation after installation.

FEATURES AND SPECIFICATIONS

Overview of the microwave oven's key features and technical specifications.

SERVICE INFORMATION AND REPAIR TIPS

REPAIR SERVICE PRECAUTIONS AND TIPS

Essential precautions and practical tips for servicing the microwave oven.

MICROWAVE LEAKAGE TESTING

MEASURING MICROWAVE ENERGY LEAKAGE

Procedure for measuring microwave energy leakage from the oven.

POWER OUTPUT MEASUREMENT PROCEDURE

DISASSEMBLY INSTRUCTIONS

REMOVING POWER AND CONTROL CIRCUIT BOARD

Steps to remove the power and control circuit board from the oven.

F.P.C. CONNECTOR HANDLING

HOW TO REMOVE F.P.C. CONNECTOR

Instructions for safely removing the F.P.C. connector.

HOW TO INSERT F.P.C. CONNECTOR

Instructions for safely inserting the F.P.C. connector.

REMOVING THE OUT CASE

REMOVING DOOR INTERLOCK SWITCHES

REMOVING THE MAGNETRON

DOOR REMOVAL AND DISASSEMBLY

REMOVING THE DOOR

Procedure for removing the microwave oven door.

DISASSEMBLING THE DOOR

Steps for disassembling the microwave oven door.

DOOR AND FAN ASSEMBLY;REMOVAL

ASSEMBLING THE DOOR

Procedure for correctly assembling the microwave oven door.

REMOVING VENTILATION FAN ASSY

Steps to remove the ventilation fan assembly from the oven.

REMOVING THE TURNTABLE MOTOR

INTERLOCK SYSTEM OPERATION

INTERLOCK ADJUSTMENT PROCEDURES

Procedures for adjusting door latches and interlock switches.

DOOR LATCH AND SWITCH TESTING

TEST LATCH AND SWITCH SEQUENCE

Testing the sequence of operation for door interlock switches.

TEST MICROWAVE ENERGY LEAKAGE

Testing for microwave energy leakage after servicing.

INTERLOCK CONTINUITY TESTS

PRIMARY INTERLOCK SWITCH TEST

Testing continuity of the primary interlock switch.

SECONDARY INTERLOCK SWITCH TEST

Testing continuity of the secondary interlock switch.

MONITOR SWITCH TEST

Testing continuity of the interlock monitor switch.

COMPONENT TEST PROCEDURES: MAGNETRON & TRANSFORMER

MAGNETRON RESISTANCE MEASUREMENT

Measuring resistance values for the magnetron.

HIGH-VOLTAGE TRANSFORMER RESISTANCE

Measuring resistance values for the high-voltage transformer.

COMPONENT TEST PROCEDURES: CAPACITOR & DIODE

HIGH-VOLTAGE CAPACITOR TEST

Testing the resistance and continuity of the high-voltage capacitor.

HIGH-VOLTAGE DIODE TEST

Testing the continuity of the high-voltage diode.

TOUCH KEY BOARD TESTING

RELAY & FUSE CHECKOUT

RELAY 2 CONTINUITY TEST

Checking the continuity of Relay 2.

FUSE BLOWING CHECKOUT PROCEDURES

Procedures for diagnosing and resolving fuse blowing issues.

RELAY CHECKOUT PROCEDURES

CIRCUIT BOARD DIAGNOSTIC SYMPTOMS

TROUBLESHOOTING: DISPLAY AND POWER ISSUES

PROBLEM A: SET TIME OF DAY DISPLAY ERROR

Troubleshooting display errors related to setting the time of day.

TROUBLESHOOTING: HEATING AND POWER ISSUES

PROBLEM C: NO HEAT OUTPUT

Troubleshooting the unit not heating up during high power cooking.

TROUBLESHOOTING: BUZZER OPERATION

PROBLEM D: BUZZER MALFUNCTION

Troubleshooting issues with the buzzer not sounding or sounding continuously.

TROUBLESHOOTING: FAN OPERATION

PROBLEM E: VENTILATION FAN NOT WORKING

Troubleshooting the ventilation fan not operating when activated.

EXPLODED VIEW: DOOR PARTS

EXPLODED VIEW: CONTROLLER PARTS

EXPLODED VIEW: OVEN CAVITY PARTS

EXPLODED VIEW: LATCH BOARD PARTS

EXPLODED VIEW: INTERIOR PARTS (I)

EXPLODED VIEW: INTERIOR PARTS (II)

EXPLODED VIEW: INSTALLATION PARTS

Goldstar MV1502W Specifications

General IconGeneral
CategoryMicrowave Oven
BrandGoldstar
ModelMV1502W
Capacity1.5 cu. ft.
Wattage1000W
ColorWhite
Cooking Levels10
Control TypeMechanical

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