Sharp R-380LS

CHAPTER 1. BEFORE SERVICING
CHAPTER 2. WARNING TO SERVICE PERSONNEL
CHAPTER 3. PRODUCT SPECIFICATIONS
CHAPTER 4. APPEARANCE VIEW
CHAPTER 5. OPERATION SEQUENCE
CHAPTER 6. FUNCTION OF IMPORTANT COMPO-
NENTS
CHAPTER 7. TROUBLESHOOTING GUIDE
CHAPTER 8. TEST PROCEDURES
CHAPTER 9. TOUCH CONTROL PANEL ASSEMBLY
CHAPTER 10. PRECAUTIONS FOR USING LEAD-
FREE SOLDER
CHAPTER 11. COMPONENT REPLACEMENT AND
ADJUSTMENT PROCEDURE
CHAPTER 12. MICROWAVE MEASUREMENT
CHAPTER 13. CIRCUIT DIAGRAMS
Parts List
S1701R380LPJW
SERVICE MANUAL
R380L(W)
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
TopPage
MICROWAVE OVEN
R-380L(S)
R-380L(W)
MODELS
In the interest of user-safety the oven should be restored to its
original condition and only parts identical to those specified
should be used.
EXPRESS MENUS
DEFROST
EXPRESS
COOK
EXPRESS
MEAL
EXPRESS
MORE
LESS HELP
SENSOR COOK
EASY
QUICK&
DEFROST
EASY
REHEAT
SENSOR
PASTA
RICE/
DESSERTS
VEGETABLES
HEALTHY MENUS
LOW FAT
MEAL
VEGETARIAN
MEAL

Sharp R-380LS Specifications

General

Wattage	1000 Watts
Power Output	1000 Watts
Cooking Levels	10
Voltage	120V
Type	Countertop
Control Type	Touch Control

Summary

Chapter 1. Before Servicing

General Important Information and Safety Warnings

Details essential safety guidelines, including earthing, microwave radiation, and operational precautions.

Chapter 2. Warning to Service Personnel

High Voltage and Microwave Safety Procedures

Outlines critical safety protocols, capacitor discharge, and microwave energy avoidance for service technicians.

Chapter 5. Operation Sequence

Microwave Cooking and Sensor Operation Sequences

Explains sequences for high cooking, medium levels, and sensor cooking operations.

Chapter 7. Troubleshooting Guide

Problem Diagnosis and Component Fault Finding

Provides a systematic guide to identify problems and check faulty parts based on symptom and condition.

Chapter 8. Test Procedures

Magnetron and High Voltage Component Testing

Details test procedures for the magnetron, power transformer, HV rectifier, and capacitor.

Switch, Fuse, Motor, and Filter Testing Procedures

Control Panel and Key Unit Diagnostic Tests

Relay, PWB, and AH Sensor System Checks

Describes tests for relays, PWB foil patterns, and the AH sensor, including control unit interaction.

Chapter 9. Touch Control Panel Assembly

Absolute Humidity Sensor Circuitry and Operation

Touch Control Panel Servicing and Precautions

Chapter 11. Component Replacement and Adjustment Procedure

Pre-Service Safety Checks and Warnings

Lists essential safety checks and warnings to be followed before performing any maintenance.

High Voltage and Magnetron Component Replacement

Provides procedures for removing and replacing HV rectifier, capacitor, fuse, and magnetron.

Switch Adjustment and Door Assembly Replacement

Chapter 12. Microwave Measurement

Microwave Leakage Test Requirements and Procedure

Details the requirements and preparation for conducting a microwave leakage test.

Chapter 13. Circuit Diagrams

CPU Unit, LCD, and Printed Wiring Board Diagrams