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Jenn-Air JMV8208ACB/S User Manual

Jenn-Air JMV8208ACB/S
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Microwave Oven
Service Manual
JMV8208ACB/S
CAUTION
BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.
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Jenn-Air JMV8208ACB/S Specifications

General IconGeneral
BrandJenn-Air
ModelJMV8208ACB/S
CategoryMicrowave Oven
LanguageEnglish

Summary

Foreword

Specifications

Cautions

Microwave Radiation Safety

Safety precautions regarding exposure to microwave energy during operation.

Installations

Installation Precautions

Guidelines for safely and correctly installing the microwave oven.

Grounding Instructions

Essential steps for grounding the appliance for electrical safety.

Operating Instructions

Control Panel Overview

Overview and identification of the microwave's control panel buttons.

Control Panel Functions

Detailed explanation of the functions of each control panel button.

Circuit Diagrams

Overall Schematic Diagram

Visual representation of the microwave's electrical components and connections.

Touch Key Board Matrix Circuit

Diagram showing the matrix layout of the touch key board connections.

General Information for Service

General Precautions in Use

General safety and operational advice for using the microwave.

Trial Operation Procedure

Steps to verify proper function after installation or repair.

Features and Specifications

Summary of the microwave's key safety systems and operational features.

Service Information and Tips

Precautions and Repair Service Tips

Vital safety warnings and practical advice for servicing the unit.

Microwave Leakage Testing

Leakage Test Cautions

Important safety warnings before and during leakage testing.

Measuring Microwave Energy Leakage

Procedure for measuring microwave radiation leakage.

Microwave Measurements

Measurement with Outer Case Removed

Procedure for measuring leakage with the outer case removed.

Measurement with Fully Assembled Oven

Procedure for measuring leakage with the oven fully assembled.

Power Output Measurement

Method to measure microwave power output using a water load.

Record Keeping and Notification

Guidelines for documenting and reporting measurement results.

Disassembly Instructions

Removing Power and Control Circuit Board

Step-by-step guide to remove the power and control circuit board.

FPC Connector Removal and Insertion

Instructions for safely disconnecting and connecting the FPC connector.

Removing the Outer Case

Procedure for removing the outer casing of the microwave.

Removing Door Interlock Switches

Steps to remove the door interlock switch components.

Removing Magnetron and Stirrer Fan

Procedures for removing the magnetron and stirrer fan.

Door Removal and Disassembly

Steps for removing, disassembling, and assembling the microwave door.

Removing Ventilation Motor

Procedure for removing the ventilation motor unit.

Removing Turntable Motor

Steps to remove the turntable motor assembly.

Replacing Humidity Sensor

Instructions for removing and replacing the humidity sensor.

Interlock System

Interlock Mechanism Overview

Explanation of the door lock mechanism's function in preventing microwave activity.

Interlock Adjustment Procedures

Steps to adjust door latches and interlock switches for safety.

Door Latch and Switch Closing Checks

Procedure to check door latch gaps and switch alignment.

Latch and Switch Closing Adjustment

How to adjust the latch board for proper door latch and switch operation.

Latch and Switch Sequence Testing

Procedure to test the sequence of interlock switches.

Microwave Energy Leakage Testing

Procedure to test for microwave energy leakage after adjustments.

Interlock Continuity Testing

Primary Interlock Switch Test

Test procedure for the primary interlock switch continuity.

Secondary Interlock Switch Test

Test procedure for the secondary interlock switch continuity.

Monitor Switch Test

Test procedure for the monitor switch continuity.

Test and Checkout Procedures

Component Test Procedures

Procedures for testing components like transformers and magnetrons.

Checkout Procedures for Fuse Blowing

Troubleshooting steps for issues related to blown fuses.

Checkout Procedures for Relays

Diagnostic steps for problems related to relays.

Checkout Procedures for Circuit Board

Symptoms indicating a defective circuit board and troubleshooting.

Troubleshooting Operational Issues

Systematic troubleshooting for display, heating, and other operational issues.

Exploded Views

Door Parts Exploded View

Exploded view diagram of the microwave door components.

Controller Parts Exploded View

Exploded view diagram of the control panel and related parts.

Oven Cavity Parts Exploded View

Exploded view diagram of components within the oven cavity.

Latch Board Parts Exploded View

Exploded view diagram of the latch board assembly and its parts.

Interior Parts (I) Exploded View

Exploded view diagram of internal components (part 1).

Interior Parts (II) Exploded View

Exploded view diagram of internal components (part 2).

Installation Parts Exploded View

Exploded view diagram of parts related to installation.

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