Samsung RF265AB Service Manual Download | Manualshive

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6-1) PCB Layout with part position

PCB Layout with part position

1. DC12V,5V,GND supplied from SMPS PCB
2. Circuit for controlling Step-Valve (3-Way Valve) * Option
3. FAN MOTOR control part : To supply the power from 8.3V ~ 12V according to the motor types. (F,R,C,ICE)
4. EEPROM : Save and record every kinds of data.
5. Transmit inputted signals from every sensor into MICOM after eliminate the noise .
6. Micom : control the refrigerator Ceramic resonator : generate the basic frequency of Micom operation.

Reset IC : make Micom reset if input voltage of Micom is detected less than the specified voltage

7. PLC input/output

- PLC (Power Line communication) * Option(PLC module is not inserted unlessspecified occasion)

8. Operate ICE-MAKER, supply power to MOTOR, and sense the variation of switch.
9. Main Micom Panel Micom serial communication circuit

- Dispenser option input part (Water & Cover Ice route switch)

10. Pantry room display control part : display LED, detect KEY state.
11. Control Pantry room damper & Damper heater
12. Relay part for controlling the AC load : Relay control IC makes the relay ON/OFF by Micom signal.
13. Connector part : connect AC load
14. Diode option setting part

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Summary of Contents for RF265AB

Page 1: ...RF266ABWP XAA RF265ABPN XAA RF266ABPN XAA REFRIGERATOR REFRIGERATOR CONTENTS For the latest parts information Please access to our service web site North America http service samsungportal com 1 PRECAUTIONS SAFETY WARNINGS 4 2 PRODUCT SPECIFICATIONS 7 3 DISASSEMBLY AND REASSEMBLY 19 4 TROUBLESHOOTING 40 5 EXPLODED VIEW PARTS LIST 73 6 PCB DIAGRAM 93 7 WIRING DIAGRAM 99 8 SCHEMATIC DIAGRAM 102 ...

Page 2: ...AUTIONS SAFETY WARNINGS 4 2 PRODUCT SPECIFICATIONS 7 3 DISASSEMBLY AND REASSEMBLY 19 4 TROUBLESHOOTING 40 5 EXPLODED VIEW PARTS LIST 73 6 PCB LAYOUT WITH PART POSITION 93 7 WIRING DIAGRAM SCHEMATIC 99 8 CIRCUIT PLAN 102 ...

Page 3: ... or harness Check the assemble status of parts after troubleshooting It should be done indiscriminately as before the repair Check the use circumstance of refrigerator If the refrigerator is installed at the place that is damp or wet or status of installation is unstable change the installation place Do earth in case of need Particularly Be sure to earth when there is a risk of an electric leakage...

Page 4: ...Caution Caution Unplug Use the rated components on the replacement Check the correct model rated voltage rated current operating temperature and so on On repair make sure that the wires such as harness are bundled tightly Bundle tightly wires in order not to be detached by the external force and then not to be wetted Check if there is any trace indicating the permeation of water If there is that k...

Page 5: ...pening or closing the door may cause things to fall down with may inflict a wound Prohibition Prohibition Prohibition Prohibition Warning Caution Do not allow users to disassemble repair or alter It may cause fire or abnormal operation which leads to injury Do not disassemble Do not allow users to insert the power plugs for many products at the same time May cause abnormal generation of heat or fi...

Page 6: ...ions 9 2 3 Interior Views 10 2 4 Model Specification Comparison Chart 11 2 5 Model Specification Specification Chart 12 2 6 Dimensions of Refrigerator Inches 15 2 7 Optional Material Specification 16 2 8 Refrigerant Route in Refrigeration cycle 17 2 9 Cooling Air Circulation 18 ...

Page 7: ...quired and are therefore more efficient Food odor from the refrigerator does not affect food in the freezer due to separate air flow circulation Electronic control from outside of Pantry Cover Adjustable temperature control around 34 1 Chilled around 38 3 Fresh Temperature control from outside of the Pantry user friendly design helps keep foods fresh for longer Easy Handle System Ez open Freezer D...

Page 8: ...60 Refrigerant Charge R134a 5 64 oz 160g Compressor MK172D R2U 897 Btu hr 0 263kw Compressor oil Freol 10 Capillary tube Dia Length 0 032 118 Dryer Molecular Sieve XH 9 Clearancemustbeprovidedforaircirculation AT TOP 1 AT SIDES 0 5 AT REAR 1 Fan Fan Fan Fan Fan Fan Air inlet Air inlet Air inlet Air inlet Air inlet Air inlet Heat exchanger Heat exchanger Heat exchanger Fan Air inlet Fan Fan Fan Fan...

Page 9: ...r Control Auto Door Closer Daily Compartment Water Filter Door Bin Internal Water Dispenser RF266AA Gallon Door Bin Cool Select PantryTM Light Pull Out DrawerTM Freezer Draweer Bin Front Leg Cover Spill Proof Glass Shelf Vertical Hinged Section Vegetable Fruit Drawers Ice Maker Ice Bin Tilting Pocket ...

Page 10: ...perature Distribution Fridge Operation rate Performance Noise Cooling Tech Door Shape Special Room 250 250 26 0 2 0 18 0 5 0 2 0 2 0 60 46dB 45dB SAMSUNG RF265 266AB Twin Cooling Contour Cool Select Pantry 175 4 172 8 32 0 1 2 24 8 2 5 0 3 0 5 47 4 41 8 41 2 MAYTAG MFI2568AES Mono Cooling Contour Pantry 246 575 27 2 1 6 20 9 5 9 0 6 1 1 60 7 47 0 48 2 LG LFX25960ST Mono Cooling Contour Pantry 224 ...

Page 11: ...Stainless Platinum Molding I Black Creamy STS Snow White Creamy STS Compressor Rated Frequency and Frequency Refrigerant Foaming agent Refrigerant Input Amount Kind of Refrigerator Motor Rated Consumption Power Electric Heater Rated Consumption Power RF265AB Pantry RF266AB Int W D with Pantry 35 7 inch 908mm 29 1 inch 704mm 32 9 inch 836mm 35 6 inch 905mm 68 6 inch 1744mm 69 8 Inch 1778mm 25 8Cu f...

Page 12: ...Capillary tube Dia x Length Refrigerant Model Starting type Oil Charge Freezer Refrigerator MK172D R2U R S C R FREOL 10 SPLIT FIN TYPE SPLIT FIN TYPE Forced and natural convection type Molecular sieve XH 9 0 032 x 118 0 81mm x 2997mm R134a 6hr 10min 12 23hr vary according to the conditions used 6 11hr vary according to the conditions used 12 1min THERMISTOR 502AT 5 0 at 77 25 THERMISTOR 502AT 5 0 ...

Page 13: ... REF Conducting af F Defrost Conducting at R Defrost Door Switch FRE REF Power cord Earth Screw Bimetal thermo For Preventing Overheating of Refrigerator Lamp AC 115V 240W AC 115V 120W AC 115V 10W AC 115V 10W AC125V 10A Off 140 60 On 104 40 12 250V PTHTM100MD3 00 10 20 4TM435RFBYY 53 266 41 130 5 141 8 48 2 61 9 AC 115V 60Hz 220 240V 50Hz DC12V FDQT06SS3 DC12V FDQT06SS3 DC12V FDQT06SS2 DC12V NSBY0...

Page 14: ...IFICATIONS 29 1 739mm 3 4 86mm 21 6 549mm 41 7 1059mm 0 6 15mm 69 8 1778mm 1 3 34mm 0 2 5mm 32 9 836mm 35 6 905mm 35 7 908mm 24 3 617mm 3 4 86mm 54 5 1384mm 18 7 475mm 47 8 1214mm 2 6 Dimensions of Refrigerator Inches ...

Page 15: ...16 PRODUCT SPECIFICATIONS 2 7 Optional Material Specification Photographe Part Name FILTER WATER ASSY DA29 00003B 1 1 3 ASSY PACKING SUB DA99 00240S LAMP INCANDENT 4713 001223 Part Code AMOUNT ...

Page 16: ...frigerator Evaporator Freezer Evaporator Suction Pipe Compressor Refrigerator Evaporator Freezer Evaporator Suction Pipe Capillary Tube Accumulator Compressor Sub condenser Hot Pipe Muffler PRODUCT SPECIFICATIONS 2 8 Refrigerant Route in Refrigeration cycle ...

Page 17: ...18 Refrigerator PRODUCT SPECIFICATIONS 2 9 Cooling Air Circulation Freezer ...

Page 18: ...Drawers 25 3 9 Cool Select Pantry 26 3 10 Motor Damper 27 3 11 Water Filter 28 3 12 Gallon Door Bin 28 3 13 Vertical Hinged Section 29 3 14 Evaporator Cover In Refrigerator 30 3 15 Evaporator In Refrigerator 31 3 16 Freezer Door 32 3 17 Pull Out Drawer 33 3 18 Ice Maker 33 3 19 Freezer Light 34 3 20 Door Switch In Freezer 34 3 21 Evaporator Cover In Freezer 35 3 22 Evaporator In Freezer 35 3 23 Ma...

Page 19: ...or Part Name How To Do Descriptive Picture 1 Remove the cap top table with using a flat blade screwdriver 2 Remove 3 screws of the top table 3 Remove the 3 housing connect screws of TOP TABLE Refer to the picture 4 Disengage the housing connect of upper hinge left door ...

Page 20: ...erator Door Part Name How To Do Descriptive Picture 5 Remove the earth screw of upper hinge 6 Remove 3 bolt screws of hinge Caution Avoid damage or separation of the door when removing the bolt 7 Remove the door by lifting it straight up ...

Page 21: ...the magnet switch with using a flat blade screwdriver Refer to the picture Door Gasket In Refrigerator Part Name How To Do Descriptive Picture 1 Remove the door gasket by pulling it out of the retaining channel Door Handle Refrigerator Part Name How To Do Descriptive Picture 1 Remove the door handle of refrigerator by lifting it up and pulling it out Refer to the picture ...

Page 22: ...Descriptive Picture 1 Remove the Cap Door with using a flat blade screwdriver 2 Unscrew 4 screws 3 Lift up the handle to have the Slider Handle Fre pushed back 4 After having the Slider Handle Fre pushed back screw up at the hole 5 Remove the door handle by lifting it up ...

Page 23: ...e the internal water dispenser cover by inserting a flat blade screwdriver to the gap of dispenser with pulling the cover 2 Remove the water hose cap by pulling it out Refer to the picture Refrigerator Light Part Name How To Do Descriptive Picture 1 Remove the light cover by pulling it down with pushing the rear of light cover 2 Remove the lamp by turning it counterclockwise ...

Page 24: ... blade screwdriver Refer to the picture 2 Disengage the Housing Connect Refer to the picture Spill Proof Glass Shelf Part Name How To Do Descriptive Picture 1 Remove the shelf by lifting the front plane of the shelf up and pulling it out Vegetable Fruit Drawers Part Name How To Do Descriptive Picture 1 Remove the vegetable fruit drawer by pulling the roller part and lifting it up ...

Page 25: ...pantry by pulling the roller part and lifting it up Cool Select Pantry Cover 1 Remove the cool select pantry cover by lifting the central part of the cover with pushing it to the left Cool Select Pantry Shelf 1 Remove the cool select pantry shelf by lifting the front part of the shelf with pulling it Cool Select Pantry Rail 1 Remove the cool select pantry rail by unscrewing the 3 screw parts and p...

Page 26: ...Water Filter Disassembly Water Filter Part Name How To Do Descriptive Picture 1 Remove the shelf by lifting the front plane of the shelf up and pulling it out 2 Remove the water filter by turning it Counterclockwise Refer to the picture ...

Page 27: ...ing it up Refer to the picture Water Filter Part Name How To Do Descriptive Picture 1 Place the part of arrow that is indicating in the picture in the middle of the front filter cover and push it up 2 Turn the water filter counterclockwise until central horizontal line of filter cover and both ends of water filter label are made all of the same width Refer to the picture ...

Page 28: ...art Name How To Do Descriptive Picture 1 Remove 2 screw cap parts with using flat blade screwdriver Refer to the picture 2 Unscrew 2 screws 3 Disengage the internal housing connect of vertical hinge 4 Remove the vertical hinged section by lifting vertical hinge up Refer to the picture ...

Page 29: ...e 1 Remove the angle cap with a flat blade screwdriver Refer to the picture 2 Unscrew 4 screws 3 Remove the the lower part of angle mid by pulling it out and pushing it down Refer to the picture 4 Remove the hook by pulling it from the lower part and pushing the cover down Refer to the picture 5 Disconnect the housing connector of the rear plane Refer to the picture ...

Page 30: ...iptive Picture 1 Remove the the housing cover by pushing both lateral sides of the housing cover and pulling it out Refer to the picture 2 Disconnect the housing connector part Refer to the picture 3 Unscrew 2 screws 4 Remove the evaporator by lifting the bottom side of it up and pulling it out Refer to the picture ...

Page 31: ...it to the left Refer to the picture 2 Remove the 2 support tilting pockets with temporary force Refer to the picture 3 Remove the freezer drawer bin by lifting the bottom part of it up Refer to the picture 4 Remove 4 internal bolts at both lateral sides of rail part Refer to the picture 5 Remove the freezer door by tilting the bottom part of it and lifting it up ...

Page 32: ... Descriptive Picture 1 Slide the drawer in as much as possible 2 Lift the drawer up 3 Remove the pull out drawer by lifting the bottom part of drawer bin and pulling it out Ice Maker Part Name How To Do Descriptive Picture 3 Remove the ice maker by pulling it out 4 Disconnect the housing connector part ...

Page 33: ...ame How To Do Descriptive Picture 1 Remove the freezer drawer bin with using flat blade screwdriver Refer to the picture 2 Disconnect the housing connector part Freezer Light Part Name How To Do Descriptive Picture 1 Remove the light by pulling the light cover down with pushing the rear plane of light cover ...

Page 34: ...g cover part and pulling it out Remove the housing connector part 2 Remove the evaporator by pulling the lower part of evaporator with lifting it up Evaporator Cover In Freezer Part Name How To Do Descriptive Picture 1 Remove the freezer door freezer drawer bin pull out drawer ice maker and then unscrew 2 screws 2 Remove the evaporator cover by pulling the bottom part of it out 3 Disconnect the ho...

Page 35: ... 3 Remove the hooker of support circuit motor by lifting the hooker up and pulling it out 4 Remove the spring with using flat blade screwdriver Refer to the picture 5 Remove the motor fan by pulling the fan out with grasping the motor part Refer to the picture 6 Unscrew 2 screws fixed in the motor 7 Remove the hook of motor cover with using a flat blade screwdriver and then remove the motor ...

Page 36: ... the the hook part of hose fixer by pushing it down 3 Remove 2 water hose parts with pushing upper part of Refer to the picture 4 Disengage 2 housing connector parts 5 Remove the hose connecting nut with using a wrench 8mm 1 Disengage the housing connector 2 Remove Cover Relay 3 Remove the relay O L with a flat blade screwdriver Refer to the picture ...

Page 37: ... Descriptive Picture 1 Unscrew 2 screws 2 Disengage the housing connector 3 Unscrew 3 earth screws 4 Remove the cover by pushing the hook up with using a flat blade screwdriver Refer to the picture 5 Disengage the housing connector to separate the power cord and noise filter ...

Page 38: ...e of the appliance 2 Unscrew 2 screws for the PCB cover 3 Disengage all housing connectors connected with main PCB 4 Unscrew 2 PCB fixed screws 5 Remove the main PCB while lifting the upper part of the hook up Refer to the picture 1 Remove the cover PCB and then disengage the housing connector connected with main PCB Remove the SMPS PCB while pushing the lower part of the hook down ...

Page 39: ...uble symptom 52 4 2 1 IF THE TROUBLE IS DETECTED BY SELF DIAGNOSIS 53 4 2 2 IF FAN DOES NOT OPERATE 61 4 2 3 IF ICE MAKER DOES NOT OPERATE 62 4 2 4 IF DEFROST DOES NOT OPERATE F R DEF HEATER 63 4 2 5 IF POWER IS NOT SUPPLIED 64 4 2 6 IF COMPRESSOR DOES NOT OPERATE 65 4 2 7 WHEN ALARM SOUND CONTINUOUS WITHOUT STOP 66 4 2 8 IF PANEL PCB DOES NOT WORK NORMALLY 68 4 2 9 IF PANTRY PANEL PCB IS NOT WORK...

Page 40: ...splay and it indicates the refrigerator has entered the manual operation At this moment buzzer beeps as an alarm 1 2 If manual operation is selected comp will run at once without 5 minutes delay in any mode If the refrigerator is on the defrost cycle at the moment defrost will be finished and manual operation will begin Be careful if manual operation get started at the moment of comp off over load...

Page 41: ...r compartments are followed by manual defrost freezer compartment 3 2 At this moment alarm beeps for 3 seconds 0 5 sec ON 0 5 sec OFF during manual defrost function of fresh food and freezer compartment 4 1 During defrosting of fresh food and freezer compartments simultaneously if the display panel change to the test mode and test button is pressed one more time defrosting of fresh food and freeze...

Page 42: ...1 2 If bad sensor is detected by the self diagnostic function the applicable display LED will blink for 0 5 sec At this moment there is no beep sound Refer to self diagnostic CHECK LIST 1 3 Self diagnostic button is recognized only when the error is displayed by the bad sensor Display does not operate normally but temperature control will be controlled by the emergency operation 1 4 When the error...

Page 43: ...diagnosis CHECK LIST NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Trouble item Ice Maker Sensor Error R Sensor Error R DEF Sensor Error R FAN Error Ice Maker Error R DEF Error Ambient Sensor Error F Sensor Error F DEF Sensor Error F FAN Error C FAN Error F DEF Error Pantry Damper Heater Error Pantry Sensor Error Panel Main MICOM communication Error L M communication Error DisplayLED R 1 R 1 R 1 R 1 R...

Page 44: ...ween 7V 12V When checking the voltage of MAIN PCB CN30 8 9 should be between 4 5V 1 0V Displayerror separationoffreshfoodcompartmentdefrostheaterhousing part contacterror disconnection shortcircuitortemperaturefuseerror Displayerror thedefrostingdoesnotfinishthoughfreshfoodcompartment defrostisheatingcontinuouslyformorethan80minutes After separating MAIN PCB CN70 CN71 from PCB check the resistance...

Page 45: ... F 10 R 1 R 10 Load mode Check list Display LED R 1 R 1 R 1 R 1 R 1 R 1 F 1 ALLLEDOff R1 F 1 F 1 F 1 F 1 R 10 R 10 F 10 F 10 Operation contents When fresh food compartment fan high operates applicable LED ON When fresh food compartment fan low operates applicable LED ON When fresh food compartment defrost heater operates LED ON Initial power ON refrigerator LED ON When ambient temperature is more ...

Page 46: ...s no buzzer sound when the show room mode is canceled by the temperature 5 Operation contents of show room mode Display Fan motor and etc operate normally not to operate compressor only Defrost is not operated including french heater Display function of the initial real temperature is finished Under the condition of show room mode show room mode will be operated when Power On after Power OFF If Po...

Page 47: ...e display If the display changes to option setting mode all displays will be off except freezer and fridge compartments temperature display as below Fresh food and freezer compartments case will be explained only because all options are operated with the same method according to the option table KEY control method after converting to option mode Key control in option mode Power Freeze Key Freezer ...

Page 48: ...the setting MICOM will save the setting value to the EEPROM and normal display will be returned and the option setting mode will be canceled 4 Option changing method as above is the same as all RF266 265 model 5 By the same method as above it is possible to control the fresh food compartment temperature water supply ice maker harvest temperature time defrost return time hysteresis by temperature n...

Page 49: ... 0 C 34 7 1 5 C 35 6 2 0 C 36 5 2 5 C 37 4 3 0 C 38 3 3 5 C 39 2 4 0 C FZ compartment Code Reference Value 2 Temperaturechangingtableoffreshfoodcompartment ex If you want to change the Fresh Food compartment standard temperature to 35 6 2 C Set item FreezerTempShift MODEL RF265 266 RF26NB FridgeRoom7 SEG 1 Settingvalue Temp compensation 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 32 0 0 C 31 1 0 5 C 30 ...

Page 50: ...mins 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 58 57 56 55 54 53 52 51 50 49 48 47 46 45 59 60 FZ compartment Code Reference Value 4 To change the ice making sensor temperature of ice maker This option Controls the standard temperature of judgment that is checking whether ice of ice maker is frozen completely or not ex If you want to change the ice making sensor temperature to 5 0 15 C Set item ICEMAK...

Page 51: ...8 62 6 64 4 66 2 68 69 8 71 6 73 4 75 2 77 78 8 80 6 82 4 84 2 86 87 8 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 3 107 3 057 3 006 2 955 2 904 2 853 2 802 2 751 2 700 2 649 2 599 2 548 2 498 2 449 2 399 2 350 2 301 2 253 2 205 2 158 2 111 2 064 2 019 1 974 1 929 1 885 1 842 1 799 1 757 1 716 1 675 1 636 1 596 1 558 1 520 1 483 1 447 1 412 1 377 1 343 1 309 1 277 1 253 1 213 1 183 16419 15731 15076 1...

Page 52: ...Start NO YES YES YES YES Replace the temperature sensor NO Recheck the wire connection part NO 0 6V Measurement 4 6V Check the iced solder solder bridging disturbed solder NO No trouble with PCB and temperature sensor Recheck the bad contact of the connection Measuring point of resistance value according to Sensor ICE MAKER CN90 3 1 measuring resistance value 0 Short trouble Open trouble Sensor MI...

Page 53: ...ce value according to Sensor R CN30 6 CN75 1 measuring resistance value 0 Short trouble Open trouble Sensor MICOM Connector number Voltage measured between 4 6V 0 6V Measuring voltage IC01 MICOM 54 CN30 6 White and CN1 3 Black from PCB typical Ground part are similar Checking method of R Sensor resistance CN30 6 White CN75 1 Gray Compare the temperature table after the measure DATA1 Temperaturetab...

Page 54: ...ing to Sensor R DEF CN30 7 CN75 1 measuring resistance value 0 Short trouble Open trouble Sensor MICOM Connector Number Voltage measured between 4 6V 0 6V Measuring voltage of IC01 MICOM 57 CN30 7 Sky blue and CN1 3 Black from PCB typical Ground part are similar Checking method of R Sensor resistance CN30 7 Sky blue CN75 1 Gray Compare the temperature table after the measure DATA1 Temperaturetable...

Page 55: ...1 4 measuring resistance value Placed in the right top table of upper hinge 0 Short trouble Open trouble Sensor MICOM Connector number Voltage measured between 4 6V 0 6V Measuring voltage of IC01 MICOM 59 CN32 1 White and CN1 3 Black from PCB typical Ground part are similar Checking method of Ambient Sensor resistance CN32 1 White 4 White Compare the temperature table after the measure DATA1 Tempe...

Page 56: ...ccording to Sensor F CN30 3 CN75 1 measuring resistance value 0 Short trouble Open trouble Sensor MICOM Connector number Voltage measured between 4 6V 0 6V Measuring voltage of IC01 MICOM 52 CN30 3 Red and CN1 3 Black from PCB typical Ground part are similar Checking method of F Sensor resistance CN30 3 Red CN75 1 Gray Compare the temperature table after the measure DATA1 Temperaturetable ERROR Co...

Page 57: ...Sensor F DEF CN30 4 CN75 1 measuring resistance value 0 Short trouble Open trouble Sensor MICOM Connector number Voltage measured between 4 6V 0 6V Measuring voltage of IC01 MICOM 53 CN30 4 Orange and CN1 3 Black from PCB typical Ground part are similar Checking method of F DEF Sensor resistance CN30 4 Orange CN75 1 Gray Compare the temperature table after the measure DATA1 Temperaturetable ERROR ...

Page 58: ... Sensor Pantry CN30 8 9 measuring resistance value 0 Short trouble Open trouble Sensor MICOM Connector number Voltage measured between 4 6V 0 6V Measuring voltage of IC01 MICOM 58 CN30 8 White black and CN1 3 Black from PCB typical Ground part are similar Checking method of Pantry Sensor resistance CN30 8 White black 9 Gray Compare the temperature table after the measure DATA1 Temperaturetable ERR...

Page 59: ...ad contact of connector insert correctly NO 1 Recheck the wire 2 Replace PCB MAIN NO Normal recheck Measure the resistance between after CN90 connector open 145ohm 7 ERROR Code Checking method of Pantry Room Damper resistance CN91 1 Black 2 Brown Open wire disconnection heater disconnection trouble 0 Short trouble Start YES YES YES Initial power On Damper heater off Damper heater On 4 0V 4 5V MICO...

Page 60: ...ethepulsesignalwhenmotorrotates ThesesignalswillbeinputtedintoMICOM Unlesssignalsarenotinputtedduringmotoroperating willbeON10 secondsafterfanOff Butifsignalsarenotstillentered theaboveoperation willrestartfourtimesmore Ifsignalsarenotenteredcontinuously themotorwillberestartedafter10 seconds Thisfunctioniseffectivewhenthenormaloperationofmotorwouldbe restrainedbyforeignmatterssuchasice Checkingme...

Page 61: ... counterclockwise 5V horizontal condition 0V wait 5V The voltage of MICOM 27 and Connector CN90 7 Purple are same 1 TestSwitchoperating 1 TestSwitchwaiting typical PCB Ground CN1 3 Black Function ERROR Code Start Does the self diagnostic function for detecting position of Ice maker at the initial Power ON Micom IC02 Condition Ready Operation 29 Test Switch 5V 0V Does ice maker rotate when Ice make...

Page 62: ...07 ohm 7 0 Short trouble Open bimetal heater trouble 86 30 68 20 50 10 32 0 14 10 4 20 22 30 4 22 6 05 8 87 13 29 20 42 32 23 52 41 If Power Freeze Key Fridge Key are pressed simultaneously for 8 seconds and then select any key 3rd test mode manual defrosting will be operated Is the temperature of defrost sensor lower than 53 6 12 C Is defrost sensor by self diagnostic normal Is power applied to e...

Page 63: ...ktheconnections betweencabinettodoor Checktheconnections betweendoortopanelPCB 1 Check the contact of lead wire 2 Replace the applicable relay PCB MAIN 1 CheckPCBPATTERNandreplaceBD1 2 ReplacePCBASS Y Is plug connected in Ispower115 220 V bothterminalsofSMPS PCBCN1 IsfuseontheSMPS PCBdown IsDC170 325 Vapplied betweenboth terminalsofBD1 IsDC5 8V appliedbetweenTOP switch246YCtoS Is12Vappliedbetween ...

Page 64: ...PEN and repair the connection Repair the sensor and replace PCB Open and repair the connection Check after 5 minutes Refer to test function in the manual 1 Replace MICOM 2 Replace PCB Refertocircuitdiagram inthemanual 1 Replace IC72 Driver IC TD62083AP 2 Replace PCB Didbuzzerofmanualoperationsound Checkcertainlyaftermanualoperation CheckingmethodofvoltagePCBtypical GroundCN1 3 Black and 1 IC02MICO...

Page 65: ...conditions of interference by door gasket food etc Replace Door S W Replace Door S W MAIN PCB normal Check if there is any short parts due to foreign matters and the test jumper part in the main PCB Recheck MAIN PCB and door switch Separate the door switch and check if the measured value of unit is changed from 0 to according to switch ON OFF FF Door Switch is magnetic switch it can be operated wh...

Page 66: ...ociated with panel is occurred except the minor error such as switch pressing error surface peeling off and so on Start Does it sound dingdong if press a button on the front panel Is the damage or breakage of the buzzer in the panel PCB Didleadofacomponent fallonthevibrationplateof buzzer Doesitmakea soundof dooropen alarmwhen youareopeningthedooroffreezeror fridgemorethan2minutes MAIN PCB normal ...

Page 67: ...to electronic circuit diagram in the manual or circuit diagram on the back side of the appliance Reinsert connector Repair bad contact ReinsertconnectorofMAINPCB Reinsert connector Repair bad contact Panel PCB itself has trouble Reassemble the PCB ASS Y Enforce the cancelation of pressed keys Reassemble the PCB ASS Y Enforce the cancelation of pressed keys Panel PCB itself has trouble Checkthewire...

Page 68: ...tage Replace MAIN PCB Panel PCB itself has trouble Reassemble PCB ASS Y Enforce the cancelation of pressed keys Reassemble PCB ASS Y Enforce the cancelation of pressed keys Convertible compartment Panel PCB itself has trouble Replace MAIN PCB Check the short of MAIN Panel wire Check the wires of Pantry Room disconnection short between wires Recheck the control circuit of MAIN PCB Pantry Panel Chec...

Page 69: ...eration Noise of relay operation sounds every Door Open Close F LAMP Relay RY75 R LAMP Relay RY76 Reference If the door is opened the contact of door switch will be opened and MICOM will get applied 5V to finally sense Open If 5V has been sensed over two minutes afterwards Door Open alarm will sound Ding Dong for 10 seconds in a oneminute cycle For that reason if the door switch has failure the re...

Page 70: ...or Check the connection hose Normal Check Ice water valve hose Check soldering short Replace PCB Check soldering short Replace PCB Check soldering short Replace PCB typical PCB Ground CN1 3 Black Checking method of voltage Based on PCB typical Ground CN1 3 Black 1 Check the voltage of IC73 4 same voltage as IC02 12 ICE Water valve operating about 5V 0 5V BasedonPCBtypicalGroundCN1 3 Black 2 IC73 1...

Page 71: ...etween water valve MAIN PCB Ice water valve itself has trouble or bad contact of connector Check the connection hose Normal Check Ice water valve hose Replace Valve Check soldering short Replace PCB Check soldering short Replace PCB Check soldering short Replace PCB 1 Check the dispensing lever 2 Check switch unit wiring connection 3 Replace PCB typical PCB Ground CN1 3 Black Checking method of vo...

Page 72: ...3 5 EXPLODED VIEW PARTS LIST 5 1 Freezer 74 5 2 Refrigerator 77 5 3 Cabinet 81 5 4 Disassembly of Freeze Door 85 5 5 Disassembly of Refrigerator Door Left 88 5 6 Disassembly of Refrigerator Door Right 91 ...

Page 73: ...74 EXPLODED VIEW PARTS LIST 5 1 Freezer 19 20 20 4 20 3 20 4 20 2 20 1 ...

Page 74: ... ICEMAKER ASSYCASE ICECUBE CASE ICECUBE SCOOPICE ASSYTRAY FREUPP COVER TRAYFREUPPA COVER TRAYFREUPPB TRAY FREUPP COVER RAILLOWL ASSYRAIL SLIDELOWL SWITCHPRESSURE FIXER GEAR RAIL SLIDELOWL GEAR L COVER RAILLOWL ASSYRAIL SLIDELOWL SWITCHPRESSURE FIXER GEAR RAIL SLIDELOWL GEAR L SHAFT GEAR CAP DOORHANDLE ASSYRAIL SLIDELOWR FIXER GEAR RAIL SLIDELOWR GEAR R COVER RAILLOWR FIXER TRAYFREUPP SWITCHDOOR F ...

Page 75: ...SSYCOVER EVAPFRE SCREW TAPPING SCREW TAPPING FAN AX100W4CC T1 MOTORBLDC WIREHARNESS MOTOR CASE MOTORFRE PLATE INSEVAPFRE SPRINGETC FAN INSULATION EVAPFRE GROMMET MOTOR REAR GROMMET MOTOR FRONT COVERMOTOR BLDC COVER EVAPFRE GROMMET COVERCHIL AW PJT SHP1 T2 6 BL AW PJT PP COOL WHITE AW PJT TH 1 M4 L12 ZPC WHT SWRCH18A TH 1 M4 0 L16 ZPC WHT SWRCH18A TD PJT ABS 2950 DC12V 150mA 2 1W MOTORBLDC AW AW PJ...

Page 76: ...77 EXPLODED VIEW PARTS LIST 5 2 Refrigerator ...

Page 77: ...EVAPREF COVER EVAPREFSUB GROMMET COVERCHIL TRIM COVEREVAPREF SENSOR TEMP ANGLE SHELFREFMID ASSYCASELAMP REF CASE LAMPREF PLATELAMPREF LAMPHOLDERASSY THERMOBIMETALPROTECTOR COVER LAMPREF LAMPINCANDESCENT ANGLE SHELFREFSIDE CAP ANGLE ASSYSHELF GLASSREFFIX SCREW TAPPING SHELF GLASSREFFIX SHELF HANGERREFL SHELF HANGERREFR ASSYCOVER VEG SCREW TAPPING GLASS COVERVEG FIXER COVERVEG REINF COVERVEG AW PJT ...

Page 78: ...CH MICRO ASSY COVERWATERTANK SCREW TAPPING COVER TANKWATER ASSYTANKWATER SHELF PANTRYSUB ASSYCOVER SLIDEPANTRY GROMMET COVERSLIDE COVER SLIDEPANTRYA COVER SLIDEPANTRYB ASSYSHELF PANTRY REINF SHELFPANTRY SHELF PANTRY ASSYCOVER MOTORDAMPER ASSYDAMPERMOTOR SENSORTEMP PANTRY INSULATION MOTORDCDAMPER COVER MOTORDCDAMPER ASSYCOVER SENSOR SENSOR ASSY COVER SENSOR GUIDE FRENCH COVER WATERFILTER ASSYCASE F...

Page 79: ...3B CASE PANTRY ASSYROLLERA ASSYRAIL PANTRYL ASSYRAIL PANTRYR ASSYCOVER RAILPANTRYR SCREW TAPPING PBAPANEL PANTRY INLAYCONTROLPANEL SUPPORT ROLLERPANTRY COVER RAILPANTRYR ASSYROLLERB SUPPORT PANTRY FILTERWATER ASSY AW HIPS COOL WHITE AW PJT Ni Zn AW PJT AW PJT AW PJT BEST PH 2S M3 L8 ZPC WHT SWRCH18A AW PJT PANTRYROOMBLUELED FR1 PANTRYLOWESBLUE 12V AW PC AW PJT NBR NTR AW HIPS COOL WHITE AW PJT Ni ...

Page 80: ...81 EXPLODED VIEW PARTS LIST 5 3 Cabinet 38 ...

Page 81: ...NTROL INLAY DISPLAY CAP TOPTABLE CAP TOPTABLE CAP TOPTABLE ASSYHINGEUPP L FASTENER RING HINGE UPPL SPRINGETC AUTOCLOSE ASSYLEVER AUTOCLOSE GROMMET LEVER ASSYHINGEUPP L FASTENER RING HINGE UPPL SPRINGETC AUTOCLOSE ASSYLEVER AUTOCLOSE GROMMET LEVER ASSYHINGEUPP L FASTENER RING HINGE UPPL SPRINGETC AUTOCLOSE RF265 BLACK RF265 REALSTAINLESS RF265 SNOWWHITE AW PJT ABS I BLACK SC 00477R PH 2S M3 L8 ZPC ...

Page 82: ...HINGEMID R CASTER FRONT CASTER RIVET ASSY SUPPORTFOOTFRONT FOOT FRONT SUPPORT FOOTFRONT COVER LEGFRONT COVER LEGFRONT COVER LEGFRONT ASSYCHASSIS COMP PIN CASTER CASTER REAR CHASSISCOMP ASSYTRAY DRAINWATER SCREW SPECIAL TRAY DRAINWATER GROMMET SUBCOND GROMMET SUCTPIPEA ASSYSUPPORT CIRCUITMOTOR SCREW TAPTITE MOTORBLDC SUPPORT CIRCUITMOTOR BRACKET CIRCUITMOTOR GROMMET MOTOR REAR GROMMET COVERCHIL ASS...

Page 83: ...LVE ASSYCAP DRAIN VALVEWATER ONEWAYFITTING WIREHARNESS EARTH ASSY COVERNOISEFILTER COVER NOISEFILTER COILCHOKE EMIFILTER CBF POWERCORD ASSYPIPE WATER GROMMET PIPEWATERFILLIN PIPE WATERFREASSY ASSY COVERPIPEWATER ASSYCOVER COMP ASSY COVERPCBPANEL PBAMAIN BETTER PBAMAIN GOOD PBASMPS NEXT FIXER HOSE COVER TUBEFILTER VALVE WATERFITTING C FILMLEAD QUEEN EPDM 115127V 60HZ RSCR FAN AW PJT AW PJT GE OEM A...

Page 84: ...85 EXPLODED VIEW PARTS LIST 5 4 Disassembly of Freeze Door ...

Page 85: ...RE GUARD FRE GUARD FREFLIP FIXER SHAFT HANDLE L FIXER SHAFTHANDLER SLIDER HANDLE FRE COVER HANDLE FRE L COVER HANDLE FRE L COVER HANDLE FRE L COVER HANDLEFRER COVER HANDLEFRER COVER HANDLEFRER AW PJT EMPIRE BLACK AW PJT VERSAILLES STS AW PJT SNOW WHITE AW PJT PLATINUM INOX AW PJT ABS I BLACK EASY HANDLE AW PJT ABS CREAMY STS EASY HANDLE AW PJT ABS Snow White EASY HANDLE AW PJT ABS I BLACK EASY HAN...

Page 86: ...87 EXPLODED VIEW PARTS LIST 15 2 DA61 04335A SPRING ETC EASY HANDLE 08 AW1 2 PJT HSWR PartsListofFreezerDoor ...

Page 87: ...88 EXPLODED VIEW PARTS LIST 5 5 Disassembly of Refrigerator DoorLeft ...

Page 88: ...CH PLATE FRENCH HINGE FRENCH CASE FRENCH INSULATION FRENCH COVER HEATER FRENCH GASKET FRENCH CAP CASEFRENCH CAP CASE FRENCH MID SPRING ETCFRENCH PIN FRENCH SPRING SCREW TAPPING ASSY FRENCH HEATER CORD FRENCH PLATE FRENCH AW PJT Empire Black i BLACK AW PJT VersaillesSTS Noble STS AW PJT Snow White AW PJT Platinum STS Noble STS CORE PJT T5 W7 L18 i BLACK CORE PJT T5 W7 L18 Creamy gray CORE PJT T5 W7...

Page 89: ...SCREW TAPPING ASSY FRENCH HEATER CORD FRENCH PLATE FRENCH HINGE FRENCH CASE FRENCH INSULATION FRENCH COVER HEATER FRENCH GASKET FRENCH CAP CASEFRENCH CAP CASE FRENCH MID SPRING ETCFRENCH PIN FRENCH SPRING SCREW TAPPING CAP SCREW AW PJT PC HF 1023IM COOL WHITE AW PJT ABS SNOW WHITE AW PJT FOAMPS AW PJT PC HF 1023IM COOL WHITE AW PJT SILICON GRAY AW PJT ABS SNOW WHITE AW PJT ABS SNOW WHITE STS304 PI...

Page 90: ...91 EXPLODED VIEW PARTS LIST 5 6 Disassembly of Refrigerator Door Right ...

Page 91: ...P HANDLEUPP CAP HANDLELOW ASSYHANDLE BAR SCREW TAPPING HANDLEBAR CAP HANDLEUPP CAP HANDLELOW GUARD REF ASSYGUARD DAIRY GUARD DAIRY COVER GUARDDAIRY AW PJT Empire Black i BLACK AW PJT VersaillesSTS Noble STS AW PJT Snow White AW PJT Platinum STS Noble STS CORE PJT T5 W7 L18 i BLACK CORE PJT T5 W7 L18 Creamy gray CORE PJT T5 W7 L18 Snow White AW PJT Nylon6 i BLACK AW PJT Nylon6 Creamy STS AW PJT Nyl...

Page 92: ...out with part position 6 1 PCB Layout with part position 94 6 2 PCB Layout with part position SMPS Board 95 6 3 Connector Layout with part position Main Board 96 6 4 Connector Layout with part position SMPS oard 98 ...

Page 93: ...icfrequencyofMicomoperation ResetIC makeMicomresetifinputvoltageofMicomisdetectedlessthanthespecifiedvoltage 7 PLCinput output PLC PowerLinecommunication Option PLCmoduleisnotinsertedunlessspecifiedoccasion 8 OperateICE MAKER supplypowertoMOTOR andsensethevariationofswitch 9 MainMicom PanelMicomserialcommunicationcircuit Dispenseroptioninputpart Water CoverIcerouteswitch 10 Pantryroomdisplaycontro...

Page 94: ...art position Switchingmodepowersupply Circuit changetheACvoltagetoDCvoltagethatneedsforcontrollingtheappliance 1 BLOCK RectifytheinputtedACvoltagetoDCvoltage 2 BLOCK ChangetherectifiedDCvoltagetoDC12V DC5Vthatneedsforcontrollingtheappliancewith PWMICandswitchingtrans ...

Page 95: ... HEATER COMMON CN73 AC LOAD OPEN OPEN WATER SOLENOIDE VALVE ICE WATER SOLENOIDE VALVE OPEN 5V GND 12V CN78 OPEN Pantry room LED Driver 12V Display Switch input GND CN50 LCD Panel SO LCD Panel SI LCD Panel SCK 12V 5V GND GND Water Switch OPEN CN30 Sensor Switch F Door Switch R Door Switch F Sensor F DEF Sensor GND R Sensor R DEF Sensor Pantry Sensor GND CN32 Sensor Ambient OPEN OPEN GND CN75 BLDCMo...

Page 96: ...MON CN73 AC LOAD OPEN OPEN OPEN ICE WATER SOLENOIDE VALVE OPEN 5V GND 12V CN78 OPEN Pantry room LED Driver 12V Display Switch input GND CN50 LCD Panel SO LCD Panel SI LCD Panel SCK 12V 5V GND GND OPEN CN30 Sensor Switch F Door Switch R Door Switch F Sensor F DEF Sensor GND R Sensor R DEF Sensor Pantry Sensor GND CN32 Sensor Ambient OPEN OPEN GND CN75 BLDCMotor GND F FANoperationsignal R FANoperati...

Page 97: ...98 6 4 Connector Layout with part position SMPS Board PCB Layout with part position CN1 COMMON LINE L COMMON LINE N 5V GND 12V ...

Page 98: ...99 7 WIRING DIAGRAM SCHEMATIC 7 1 Model RF266 100 7 2 Model RF265 101 ...

Page 99: ...The resistance value of heater might be changed for improvement of quality or performance Composite resistance Ohm DISPLAY operating part WATER DISPENSER SWITCH part PANTRY DISPLAY operating part ICE MAKER operating part SWITCH SENSOR part SMPS power part PANTRY ROOM DAMPER operating part FAN MOTOR operating part AC load operating part HEATER COMP ETC AC INPUT AC INPUT AC INPUT AC INPUT AC INPUT ...

Page 100: ...nt of quality or performance Composite resistance Ohm DISPLAY operating part PANTRY DISPLAY operating part ICE MAKER operating part SWITCH SENSOR part SMPS power part PANTRY ROOM DAMPER operating part FAN MOTOR operating part AC load operating part HEATER COMP ETC AC INPUT AC INPUT AC INPUT AC INPUT AC INPUT 240 120 10 10 55 220 110 441 1323 5290 1323 5290 55 220 102 407 1323 5290 ...

Page 101: ...102 8 CIRCUIT PLAN 8 1 Whole block diagram 103 8 2 CIRCUIT DIAGRAM 105 ...

Page 102: ...103 8 1 Whole block diagram 8 Shematic Diagram AC115V AC115V AC115V 8 1 1 MODEL RF266 BETTER ...

Page 103: ...104 Shematic Diagram AC115V AC115V AC115V 8 1 2 MODEL RF265 GOOD ...

Page 104: ...105 8 2 CIRCUIT DIAGRAM Shematic Diagram 8 2 1 Sheet 1 of 2 ...

Page 105: ...106 8 2 CIRCUIT DIAGRAM Shematic Diagram 8 2 2 Sheet 2 of 2 ...

Page 106: ...ON specifications for initial development 5 GOOD 6 BETTER 7 BEST COLOR Class WP SNOW WHITE PN PLATINUM INOX RS REAL STAINLESS BP BLACK PJT derivation sequence within type Not production year A 1st Generation B 2nd Generation SUB OPTION by partner A ALL CUSTOMERS BUYER NAME Model name nomenclature ...

Page 107: ... may result in personal injury and property damage The manufacturer or dealer cannot be responsible for the interpretation of this information SAMSUNG ELECTRONICS AMERICA INC Technical Service Guide Copyright 2008 All rights reserved This service guide may not be reproduced in whole or in part in any form without written permission from the SAMSUNG ELECTRONICS Company WARNING ...

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