Daewoo KOR-1A0A0A - User Manual

Service Manual
Microwave Oven
Model: KOR-1A0A0A
KOR-1A1G0A
KOR-1A1H0A
KOR-1A1G9A27
KOR-1A1H9A27
KOR-1A1H9A37
KOR-1A4G0A
KOR-1A4H0A
KOR-1A4H9A27
KOR-1A7G9A27
KOR-1A8Q0A
KOR-1A9H9A
KOR-1A9H9A27
S/M No. : R1A1G0A005
Dec. 2005
✔ Caution
: In this Manual, some parts can be changed for improving,
their performance without notice in the parts list. So, if you
need the latest parts information, please refer to PPL(Parts
Price List) in Service Information Center (http://svc.dwe.co.kr).

Summary

Safety and Precautions

Safe Operation Guidelines

Safe Service Procedures

Control Panel Guide

Control Panel Layout (KOR-1 A0 A)

Control Panel Layout (KOR-1 A1 G, 1 A4 G, 1 A7 G)

Control Panel Layout (KOR-1 A1 H, 1 A4 H, 1 A9 H)

Control Panel Layout (KOR-1 A8 Q)

Operations Guide

Basic Operation Steps

Disassembly and Assembly Procedures

Servicing Safety Precautions

Essential safety measures before disassembling or servicing the oven.

Cabinet Removal Procedure

Door Assembly Removal Steps

Door Parts Removal (KOR-1 A0 A, etc.)

Door Parts Removal (KOR-1 A4 G, etc.)

Door Parts Removal (KOR-1 A7 G)

Control Panel Removal (KOR-1 A0 A, etc.)

Control Panel Removal (KOR-1 A4 G, etc.)

High Voltage Capacitor Removal

Steps to safely remove the high voltage capacitor.

Magnetron Removal Procedure

Procedure for removing the magnetron, including safety notes.

Wave Guide Assembly Removal

Steps to remove the wave guide assembly and related components.

HV Transformer Removal

Procedure for removing the high voltage transformer.

Interlock Mechanism and Adjustment

Door Lock Mechanism Overview

Explanation of the door lock mechanism and its function.

Interlock Adjustment Steps

Steps for adjusting the interlock mechanism and testing microwave leakage.

Troubleshooting Procedures

Trouble 1: Oven Not Operating

Diagnosing and resolving issues when the oven has no power or input response.

Trouble 2: Oven Not Starting Cooking

Diagnosing why the oven doesn't start cooking after setting programs.

Trouble 3: No Microwave Oscillation

Troubleshooting no microwave oscillation despite fan motor rotation.

Trouble 4: Display;Control Issues

Identifying probable defective touch control or membrane switch assembly issues.

Measurement and Testing

Microwave Power Output Measurement

Procedure for measuring microwave power output using a water load.

Microwave Radiation Leakage Test

Procedure for testing microwave leakage after repairs or adjustments.

Component Electrical Testing

Wiring Diagrams

Printed Circuit Board (PCB) Analysis

PCB Circuit Checks (KOR-1 A0 A Models)

PCB Voltage Checks (KOR-1 A8 Q)

PCB Troubleshooting: Oscillation Issues

Troubleshooting steps for PCB issues related to microwave oscillation.

PCB Troubleshooting: Clock;Timer Issues

Daewoo KOR-1A0A0A Specifications

General

Brand	Daewoo
Model	KOR-1A0A0A
Category	Microwave Oven
Language	English