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Service Manual

Microwave Oven

Model : KOR-1N1HW
Model: KOR-1N1HS
• 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).
Jul. 2009

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Summarization of Contents

Microwave Safety Precautions
For Safe Operation
Details precautions for safe use of the microwave oven.
For Safe Service Procedures
Outlines essential safety checks and procedures for servicing.
Microwave External View
External Dimensions
Provides external dimensions of the microwave oven.
Features and Components Diagram
Illustrates and labels the key components and features of the microwave.
Control Panel Overview
Details the layout and functions of the microwave's control panel buttons.
Microwave Installation Guide
Steady, Flat Location
Guidance on selecting a stable and level surface for oven placement.
Ventilation Clearance
Instructions on maintaining adequate clearance for ventilation.
Radio and TV Interference Avoidance
Recommendations for avoiding radio and TV interference.
Placement Away from Heat and Water
Advice on positioning the oven away from heat and moisture sources.
Power Supply Requirements
Information regarding power requirements and cord safety.
Door Interlock Mechanism and Adjustment
Interlock Monitor Switch Adjustment
Specific adjustment procedures for the interlock monitor switch.
Measurement and Testing Procedures
Microwave Power Output Measurement
Procedure to measure microwave output power by water heating method.
Microwave Radiation Leakage Test
Tests for microwave leakage using a survey meter after repair or adjustment.
Component Testing Procedures
Detailed procedures for testing individual components like transformers, capacitors, and diodes.
Printed Circuit Board (PCB) Information
PCB Circuit Check Procedure
Details checks for low voltage transformer and PCB voltage points.
PCB Schematic Diagram
Detailed schematic diagram of the printed circuit board components and connections.
PCB Component Location Guide
List of components on the PCB with their part codes and specifications.
Exploded View and Parts List
Door Assembly Details
Refer to Disassembly and assembly for door part details.
Control Panel Assembly Details
Refer to Disassembly and assembly for control panel part details.
Total Microwave Assembly Breakdown
Visual breakdown of the entire microwave oven and its parts.

Table of Contents