Samsung SR-648EV Service Manual
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Also See for SR-648EV:
- Owner's instructions manual (36 pages) ,
- Owner's instructions manual (19 pages)
Table of Contents
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S E R V I C E
R E F R I G E R A T O R
"A"
"A": WITH DISPENSER
S R - 6 0 8 E V
S R - 6 4 8 E V
S R - 6 8 8 E V
WITHOUT DISPENSER
SR-606EV
SR-646EV
SR-686EV
R E F R I G E R ATO R
Model : SR-608EV
SR-648EV
Model :
SR-688EV
M a n u a l
C O N T E N T S
3. Electrical Part Specifications & Standard
5. Outer Package Specification
7. Functions And Directions
10. Disassemble & Assemble Drawing And
11. Disassemble & Assemble Method
12. Packing Method
13. PCB Diagram
15. Main Components Specifacations
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Table of Contents
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Summarization of Contents
Safety Precautions And Warnings
General Safety Warnings
Covers prohibitions, repair advice, and environment checks.
Specific Safety Instructions
Details on food storage, component replacement, and electrical checks.
Functions And Directions
The Outer Size
Provides detailed dimensions for various refrigerator models.
Parts and Disassembly Method
Details on removing shelves and drawers with visual guides.
Freezing Cycle
Illustrates the refrigerant flow and component sequence.
Panel Display
Explains the functions and indicators on the control panel.
Temperature Control
Details freezer and refrigerator temperature settings and modes.
Power Freeze and Power Functions
Explains quick freeze and refrigeration operations.
Alarming Functions
Describes various sounds and their meanings, like door open warnings.
Defrosting Cycle
Explains automatic defrosting intervals and variations.
Testing Procedures
Details forced operating, forced defrosting, and test cancel modes.
Self Diagnosis
Explains the self-diagnosis process and fault symptoms.
Load Status Display
Explains how to enter and interpret load status modes.
Disassemble & Assemble Method
Refrigerator Lamp Replacement
Step-by-step instructions for replacing the refrigerator lamp.
Freezer Lamp Replacement
Instructions for replacing the freezer lamp, including lamp type.
Refrigerator Cooling Part Disassembly
Guides for removing shelves, boxes, and covers in the cooling section.
Freezer Room Cooling Part Disassembly
Steps for disassembling the cooling system components in the freezer.
Machinery Room Assembly
Instructions for assembling components in the machinery compartment.
Power Supply Part Assembly
Steps for assembling the power supply unit.
Water Dispenser Disassembly
Detailed instructions for disassembling the water dispenser cock and lever.
Water Dispenser Operating Theory
Explains the function and operation of the water dispenser mechanism.
Dispenser Unit Parts List
Comprehensive list of parts for the water dispenser unit.
Water Dispenser Troubleshooting
Provides a flowchart for diagnosing water flow issues.
Failure diagnosis and repairment
Main PCB Check
Instructions for checking the main PCB and error code table.
No Input Power Troubleshooting
Flowchart for diagnosing and resolving no input power issues.
Self Diagnosis Failures
Flowcharts for outer temp sensor and refrigerator temp sensor failures.
Refrigerator Defrosting Sensor Failure
Diagnosing issues with the refrigerator defrosting sensor.
Freezer Temperature Sensor Failure
Diagnosing issues with the freezer temperature sensor.
Freezer Defrosting Sensor Failure
Diagnosing issues with the freezer defrosting sensor.
Continuous Alarming Troubleshooting
Addresses door open alarms and MICOM misjudgments.
Beep-Beep Alarming
Explains beep-beep alarms related to forced operations.
No Panel PCB Display
Troubleshooting steps for a blank panel PCB.
Panel PCB Key Selection Issues
Steps for when panel PCB key selections are not working.
Fan Operation Issues
Troubleshooting guide for when fans do not run.
Swing Fan Not Running
Diagnosing why the swing fan is not operating.
F-Fan Not Running
Troubleshooting steps for the freezer fan not operating.
R-Fan Not Running
Troubleshooting steps for the refrigerator fan not operating.
Circuit operating theory
Power Supply Circuit
Details the power supply circuit diagram and its voltage outputs.
Reset Circuit
Explains the function of the reset part in initializing the MICOM.
Door Switch Sensing
Describes how door switch signals are sensed by the MICOM.
Motor Location Sensing
Explains sensing the "V" motor's location using a reed switch.
Temperature Sensing Circuit
Details the thermistor sensing circuit and MICOM input voltage.
Compressor and Defrost Heater Operation
Explains the operating logic of the compressor and defrost heaters via relays.
Disassemble & Assemble Drawing And Part Lists
Freezing Compartment Parts
Exploded view and part identification for the freezing compartment.
Refrigerating Compartment Parts
Exploded view and part identification for the refrigerating compartment.
Cabinet and Unit Compartment
Exploded view of cabinet structure and internal unit components.
Door Parts Identification
Exploded view and part identification for refrigerator doors.
Packaging method
Door and Inside Cab Packaging
Specifies packaging materials and methods for the door and interior.
Completed Packaging Details
Details the final packaging configuration and materials.
Rear and Front Packaging
Details packaging materials for the rear and front of the unit.
PCB Specification
PCB Parts for Service
Lists PCB components required for servicing.
PCB Diagram
PCB Component List
Detailed list of components used in the PCB diagrams.
Main Components Specifacations
Voltage Regulators
Details on 3-terminal positive voltage regulators (MC78XX series).
MC7812C Regulator Specifications
Electrical characteristics and test conditions for the MC7812C regulator.
MC7805 AC(T) Regulator Specifications
Electrical characteristics and test conditions for the MC7805 AC(T) regulator.
High-Voltage Source Drivers
Features and ratings for UDS2980 series drivers.
KSR1005 Transistor Specifications
Electrical characteristics and ratings for the KSR1005 transistor.
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