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GE JVM1750

GE JVM1750
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GE Appliances
General Electric Company
Louisville, Kentucky 40225
31-9190
GE Spacemaker
®
Over-the-Range
Microwave Oven
Technical Service Guide
SEPTEMBER 2009
GE Consumer & Industrial
JVM1750
JVM1540
Popcorn
Beverage
Reheat
Potato
Beeper
Volu me
Turn
Tabl e
Express Cook
Sensor Cooking
Control Lock
Reminder
Help
Time
Cook
Defrost
Auto/Time
Timer
On/Off
Delay
Start
Add
30 Sec.
Power
Level
Clock
Vent
Fan
Auto Nite
Light
Surface
Light
AM/PM
Scroll Speed
Start
Pause
Vegetable
12
3
45
6
78
9
0
Clear
Off
Display
Popcorn
Beverage
Reheat
Potato
Time
Cook
Defrost
Auto/Time
Express Cook
Convenience Cooking
Reminder
Timer
On/Off
Delay
Start
Add
30 Sec.
Power
Level
Clock
AM/PM
Turn
Tabl e
Surface
Light
Vent
Fan
Start
Pause
Vegetable
12
3
45
6
78
9
0
Clear
Off
Display
Scroll Speed
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GE JVM1750 Specifications

General IconGeneral
BrandGE
ModelJVM1750
CategoryMicrowave Oven
LanguageEnglish

Summary

Important Safety Notices

Reconnect All Grounding Devices

Instructions for reattaching grounding devices after servicing to ensure safety.

Microwave Energy Exposure Precautions

Essential safety measures to prevent microwave energy exposure during repair work.

Product Nomenclature and Identification

Model Number Structure

Explains the coding system used in the microwave oven model numbers for features and specifications.

Serial Number Decoding

Details how to decode the serial number to determine the month and year of manufacture.

Introduction to the Microwave Oven

Key Features and Benefits

Highlights specific functions like Sensor Cook, Auto/Time Defrost, Turntable On/Off, and Oven Rack.

JVM1750 Control Panel and External Features

Door Assembly and Access

Details the door handle, latches, and window with metal shield for oven access and viewing.

User Interface and Lighting

Covers the touch control panel for operation and the cooktop light for illumination.

Ventilation and Accessories

Describes the grease filter, removable turntable, and convenience guide features.

JVM1540 Control Panel and External Features

Door Assembly and Access (JVM1540)

Details the door handle, latches, and window for oven access and viewing.

User Interface and Lighting (JVM1540)

Covers the touch control panel for operation and the cooktop light for illumination.

Accessories and Identification (JVM1540)

Describes the shelf, grease filter, turntable, and rating plate features.

JVM1750 Cooking Control Functions

Time Cooking and Defrosting

Explains manual time cooking, auto/time defrost, and express cook functions.

Defrosting by Weight

Instructions for using the defrost function based on food weight.

Convenience and Sensor Cooking

Details pre-programmed options like snacks, beverage, reheat, potato, vegetable, and sensor cooking.

JVM1540 Cooking Control Functions

Time Cooking and Defrosting

Explains manual time cooking, auto/time defrost, and express cook functions.

Convenience Cooking Options

Details pre-programmed options like snacks, beverage, reheat, potato, and vegetable.

Demo Mode Operation

Entering and Exiting Demo Mode

Step-by-step instructions on how to activate and deactivate the demo mode for demonstration purposes.

Demo Mode Functionality

Explains how functions are displayed and that no components are energized during demo mode.

Component Locator Views: Front Aspect

Front View Component Identification

Illustrates the location of external components like the grill assembly and control panel.

Internal Components (Front View)

Shows the placement of internal parts such as cooling fan motor, hood TCO, and bottom TCO.

Component Locator Views: Right Side Aspect

Right Side View Component Identification

Illustrates the location of internal components from the right side, including magnetron, transformer, and capacitor.

JVM1750 Smart Board and Connections

JVM1750 Smart Board Layout

Details the components and connectors on the back and front sides of the JVM1750 smart board.

Smart Board Connector Identification

Lists and explains the purpose of key connectors like CN201, CN202, CN301, CN401, and RY203.

JVM1540 Smart Board and Connections

JVM1540 Smart Board Layout

Details the components and connectors on the back and front sides of the JVM1540 smart board.

Smart Board Connector Identification (JVM1540)

Lists and explains the purpose of key connectors like CN201, CN202, CN401, and RY203.

Component Removal Procedures: Oven and Outer Cover

Oven Removal from Cabinet

Step-by-step instructions for safely removing the entire microwave oven unit from its installation.

Outer Cover Removal

Guidance on how to remove the outer metal casing to access internal components.

Component Removal Procedures: Vent Blower and Grill

Vent Blower Removal

Instructions for removing the vent blower assembly located at the top rear of the microwave oven.

Grill Assembly Removal

Steps to remove the grill assembly, applicable to Model JVM1540 and JVM1750.

Component Removal Procedures: Light and Control Panel

Interior Light Bulb Replacement

Guidance on accessing and replacing the interior light bulb.

Control Panel Assembly Removal

Steps to remove the control panel assembly, including the smart board and touch pad.

Component Removal Procedures: Duct, TCO, and Smart Board

Duct Assembly Removal

Instructions for removing the duct assembly to gain access to other components like the cavity TCO.

Cavity Thermal Cutout Replacement

Steps to remove and replace the cavity thermal cutout (TCO) located near the exhaust duct.

Smart Board Removal and Replacement

Detailed procedure for removing the smart board from its frame.

Thermal Cutout (TCO) Component Replacement

Bottom TCO Removal

Procedure for removing the bottom thermal cutout located behind the control panel.

Magnetron TCO Removal

Steps to remove the thermal cutout located on the magnetron.

Hood TCO Removal

Guidance on removing the hood thermal cutout attached to the base plate.

Component Removal and System Checks

Stirrer Assembly Removal

Instructions for removing the stirrer assembly located at the top of the oven cavity.

Noise Filter Function and Removal

Explains the purpose of the noise filter and how to remove it.

Line Fuse Inspection and Replacement

Guidance on checking and replacing the main line fuse.

High Voltage and Motor Component Removal

Magnetron Removal and Safety

Procedures for removing the magnetron, including crucial capacitor discharge warnings.

Vent Fan Motor Capacitor Replacement

Steps for removing the vent fan motor capacitor located above the cooling fan.

Cooling Fan Motor Removal

Instructions for removing the cooling fan and motor assembly from the right side.

High Voltage Component Replacement

Capacitor and Diode Replacement

Detailed steps for removing the high voltage capacitor and diode, including safety warnings.

High Voltage Transformer Removal

Procedure for removing the high voltage transformer, emphasizing capacitor discharge safety.

Door Interlock Switch System Testing

Interlock Switch Design and Function Overview

Explains the design and function of the primary, door sensing, and monitor interlock switches.

Testing Primary and Sensing Switch Continuity

Procedures and continuity checks for the primary interlock and door sensing switches when the door is opened or closed.

Monitor Switch Testing and Continuity

Steps to test the monitor switch, including its operation by the latch pawl and continuity checks.

Motor and Lighting Component Replacement

Turntable Motor Replacement

Instructions for removing the turntable motor located at the bottom of the oven.

Surface Lamp Assembly Replacement

Guidance on how to access and replace the oven's surface lamp bulbs.

Door Assembly Overview

Notes that the door is available as a complete assembly or individual parts.

Troubleshooting: JVM1750 Diagnosis Flow Chart

JVM1750 Diagnostic Troubleshooting Guide

A step-by-step guide to diagnose issues with the JVM1750 microwave oven.

Diagnostic Symbols and Legends

Explains the meaning of symbols, abbreviations, and legends used in the diagnostic flow chart.

Troubleshooting: JVM1540 Diagnosis Flow Chart

JVM1540 Diagnostic Troubleshooting Guide

A step-by-step guide to diagnose issues with the JVM1540 microwave oven.

Diagnostic Symbols and Legends (JVM1540)

Explains the meaning of symbols, abbreviations, and legends used in the diagnostic flow chart.

Door Interlock Switch System Testing Procedures

Interlock Switch Design and Function Overview

Explains the design and function of the primary, door sensing, and monitor interlock switches.

Testing Primary and Sensing Switch Continuity

Procedures and continuity checks for the primary interlock and door sensing switches when the door is opened or closed.

Monitor Switch Testing and Continuity

Steps to test the monitor switch, including its operation by the latch pawl and continuity checks.

Key Panel Test Procedures and Connectivity

JVM1750 Key Panel Connectivity Mapping

Details the ribbon connections for testing key panel pads on JVM1750 models.

JVM1540 Key Panel Connectivity Mapping

Details the ribbon connections for testing key panel pads on JVM1540 models.

Schematics and Wiring Diagrams: JVM1750

JVM1750 Schematic Diagram Explanation

Presents the electrical schematic diagram for the JVM1750 microwave oven.

Wiring Color Code and Symbols Legend

Explains the color coding and symbols used in the schematic and wiring diagrams.

Schematics and Wiring Diagrams: JVM1750 Continued

JVM1750 Wiring Diagram Details

Illustrates the internal wiring connections specific to the JVM1750 microwave oven.

Wiring Color Code and Symbols Legend

Explains the color coding and symbols used in the JVM1750 schematic and wiring diagrams.

Schematics and Wiring Diagrams: JVM1540

JVM1540 Schematic Diagram Explanation

Presents the electrical schematic diagram for the JVM1540 microwave oven.

Wiring Color Code and Symbols Legend

Explains the color coding and symbols used in the JVM1540 schematic and wiring diagrams.

Schematics and Wiring Diagrams: JVM1540 Continued

JVM1540 Wiring Diagram Details

Illustrates the internal wiring connections specific to the JVM1540 microwave oven.

Wiring Color Code and Symbols Legend

Explains the color coding and symbols used in the JVM1540 schematic and wiring diagrams.

Product Warranty Information and Policies

GE Replacement Policy (One Year)

Outlines GE's policy for replacing parts or the entire microwave oven within one year of purchase.

Exclusions from Warranty Coverage

Lists conditions and damages that are not covered under the product warranty.

Implied Warranties and Consumer Rights

Explains limitations on implied warranties and consumer legal rights.

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