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Microwave Oven
LG Electronics
LMV1825SBQ, MV1825SW
service manual
Overall Circuit Diagram, Schematic Diagram
Models:
MV1825SW
LMV1825SBQ
LMV1825SB
1
9
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46
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46 pages
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Troubleshooting
Specification
Install
Overall Circuit Diagram
FPC Connector
Disassembly Instructions
Test Procedures
General Precautions in USE
Power Output Measurement
Page 9
Image 9
OVERALL CIRCUIT DIAGRAM
SCHEMATIC DIAGRAM
5-1
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Page 10
Page 9
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Page 8
Page 10
Contents
Microwave Oven
Safety Precautions in this Manual
Page
Table of Contents
Specifications
Microwave Radiation
Grounding Instructions
Installation
Control Panel
Operating Instructions
Control Panel Instructions
Schematic Diagram
Overall Circuit Diagram
Matrix Circuit for Touch KEY Board
General Precautions in USE
Features and Specifications Features
Trial Operation
Preliminary
Precautions and Repair Service Tips
Equipment
Microwave Leakage Test
Measurement with the Outer Case Removed
Power Output Measurement
Important Notes
Disassembly Instructions
HOW to Insert the F.P.C. Connector
HOW to Remove the F.P.C. Connector
Removing the OUT CASEFigure
Removing the Door Interlock Switches Figures 9,10
Removing Magnetron
Removing Door Figure
Removing Stirrer FAN
Assembling Door
Removing the Ventilation Motor
Replacing the Humidity Sensor
Removing the Turntable Motor
Interlock Mechanism
Interlock System
Test the Latch and Switch Sequence
Interlock Continuity Test
Components Test Procedure Results
Test Procedures
Test and Checkout PROCEDURES, and Trouble Shooting
HIGH-VOLTAGE Diode
FPC Connector
Power Level
Checkout Procedures
Checkout Procedures for Relay Problem a
Checkout Procedures for Circuit Board
Trouble Shooting
Circuit board Poor
Check the contact of relay 2see Normal
Operation Circuit board
Fuse
Exploded View
Control Panel
Oven Cavity
Latch Board
Interior
50FZZA
Installation
Schematic Diagram of P.C.B
Printed Circuit Board
May
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