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Samsung Manuals
Refrigerator
RT44MA
Service manual
Samsung RT44MA Service Manual
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Product Specifications
Warning/Caution
Description of Symbols
Safety Warnings
Specifications of Electric Components
Semi Electric Control Type
Electric Circuit Diagram
Mechanical Type
Product Dimension
Extemal Size and Designations
Identifying and Disassembling the Parts
To Remove Bio Deodorizer
To Remove Shelves in the Freezing Compartment
To Remove Shelves in the Refrigerating Compartment
Schematic Diagram of Coolant Gas Circulation
Refrigeration Cycle
Cool Air Circulation
Defrosting Function
Temperature Control Part Design
Temperature Control Function
Circuit Operation Theory
Testing Function
Forced Starting Function
Forced Defrosting Function
Test Function Release Mode
Self-Diagnosis Function
Operational Principle of each Circuit
Power Circuit
Oscillation Circuit
Reset Circuit
Door S/W Sensor Circuit
Temperature Sensor Circuit
Temperature Controller (Rotary S/W) Circuit
Sub PCB Ass'y
Load Operation and Indicating Lamp Controlling Parts
Table of Temperature Change of Refrigerator
Various OPTION Function
Detecting Defects and Trouble Shooting
When Refrigerator Temperature Is too High or too Low
Checking Abnormalities of MAIN PCB ASS'Y
Circuit
VSB Relay
Safety Standard & File Numbers
Odering Information
Structure
Features
Amps. Miniature Slim Type Power Relay
Absolute Maximum Rating
Electrical Characteristics
Voltage Detector
Electrical Characteristics Ka7812/I
Absolute Maximum Ratings
Circuit Related Parts List
Regulator
3-Terminal 1A Positive
Resistance and Voltage Conversion Table of Sensor for Temperature
Specification of Main Part
Schematic Diagrams
Pin Configuration
Main Pcb
Trouble Check for the Cooling Cycle
Troubleshooting
Exploded View & Parts List
Freezing Compartment
Refrigerating Compartment(Mechanical Type)
Refrigerating Compartment(Semi Electric Type)
Door Parts
Cabinet Parts & Unit(Semi Electric Type)
Cabinet Parts & Unit(Mechanical Type)
How to Disassemble of Freezing Compartment
Cover-Evap Ass’y
Changing the Light Bulb
Remove the Chiller Compartment by
Unscrew and Remove the Light Bulb
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Product Specifications
2
Electric Circuit Diagram
3
Circuit Operation Theory
4
Troubleshooting
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REFRIGERATOR
Model :RT40MA / MB
RT44MA / MB
CONTENTS
1. Product Specifications
2. Safety Warnings
3. Specifications of Electric Components
4. Electric Circuit Diagram
5. External Size and Designations
6. Refrigeration Cycle
and Cool Air Circulation
7. Circuit Operation Theory
8. Troubleshooting
9. Exploded View and Part List
10. Disassembly of Freezing Compartment
11. Disassembly of Refrigerating Compartment
Table of
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Troubleshooting
Detecting Defects and Trouble Shooting
23
Troubleshooting
37
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Summarization of Contents
1. Product Specifications
2. Safety Warnings
Symbol Explanations
Explains the meaning of warning and caution symbols used.
General Safety Precautions
Details essential safety guidelines for operation and maintenance.
2. Safety Warnings
Specific Safety Cautions
Lists specific safety rules for product storage and handling.
3. Specifications of Electric Components
4. Electric Circuit Diagram
Semi Electric Control Type Diagram
Provides the electric circuit diagram for the semi-electric control model.
4. Electric Circuit Diagram
Mechanical Type Diagram
Provides the electric circuit diagram for the mechanical control model.
5. External Size and Designations
Product Dimensions and Designations
Shows external dimensions and key designations of the product.
5. External Size and Designations
Parts Identification and Disassembly
Illustrates how to identify and disassemble various refrigerator parts.
6. Refrigeration Cycle and Cool Air Circulation
Coolant Gas Circulation Diagram
Illustrates the schematic diagram of the coolant gas circulation.
6. Refrigeration Cycle and Cool Air Circulation
Cool Air Circulation Flow
Explains the flow of cool air within the refrigerator compartments.
7. Circuit Operation Theory
Temperature Control Functions
Describes temperature control design and functions for freezer and refrigerator.
Defrosting Function Operation
Explains the operation and timing of the defrosting function.
7. Circuit Operation Theory
Testing and Forced Operation Functions
Details testing functions, forced starting, and defrosting operations.
7. Circuit Operation Theory
Self-Diagnosis Functionality
Explains the self-diagnosis process and defect indications.
8. Troubleshooting
Cooling Cycle Troubleshooting
Lists symptoms, causes, and suggestions for cooling cycle malfunctions.
8. Troubleshooting
Main Component Diagnosis
Provides methods and criteria for diagnosing main components.
9. Exploded View and Part List
Freezing Compartment Parts
Exploded view and parts list for the freezing compartment.
9. Exploded View and Part List
Refrigerating Compartment (Mechanical)
Exploded view and parts list for the mechanical refrigerating compartment.
9. Exploded View and Part List
Refrigerating Compartment (Semi Electric)
Exploded view and parts list for the semi-electric refrigerating compartment.
9. Exploded View and Part List
Door Parts
Exploded view and parts list for refrigerator door components.
9. Exploded View and Part List
Cabinet Parts (Semi Electric)
Exploded view and parts list for semi-electric cabinet components.
9. Exploded View and Part List
Cabinet Parts (Mechanical)
Exploded view and parts list for mechanical cabinet components.
10. How to Disassemble of freezing Compartment
Cover-Evap Assembly Disassembly
Step-by-step guide for disassembling the cover-evap assembly.
11. How to disassemble of refrigerating Compartment
Changing the Light Bulb
Instructions for replacing the internal light bulb of the refrigerator.
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