Samsung RF18 Series Service Manual Download | Manualshive

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18

3-2) Refrigerator Door

DISASSEMBLY AND REASSEMBLY

Refrigerator

Door

Part Name

How To Do

Descriptive Picture

1. Remove the 3 screws holding

down the top table and remove
it.

2. Disconnect electric wire on the

top of the refrigerator.

3. Remove the 3 hex bolts that

hold the hinge on the top of the
refrigerator with the 7/16” socket
wrench.

4. Remove the screw that holds

the ground wire with a philips
screw).

5. Separate the Hinge from the

electric wire and ground wire.

Top Table

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17
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Summary of Contents for RF18 Series

Page 1: ...TOR CONTENTS 1 PRECAUTIONS SAFETY WARNINGS 2 PRODUCT SPECIFICATIONS 3 DISASSEMBLY AND REASSEMBLY 4 TROUBLESHOOTING 5 EXPLODED VIEW PARTS LIST 6 PCB DIAGRAM 7 WIRING DIAGRAM 8 SCHEMATIC DIAGRAM For the latest parts information Please access to our service web site North America http service samsungportal com ...

Page 2: ... 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 ⓒ2009 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 ...

Page 3: ...n Door Bin 24 3 10 Evaporator In Refrigerator 24 3 11 Door Handle Freezer 26 3 12 Freezer Light 26 3 13 Evaporator Cover In Freezer 27 3 14 Evaporator InFreezer 27 3 15 Motor Fan 28 4 TROUBLESHOOTING 30 4 1 Check items before failure diagnosis 30 4 2 Diagnostic method according to the trouble symptom Flow Chart 41 5 Exploded View PARTS LIST 59 5 1 Freezer 59 5 2 Refrigerator 62 5 3 Cabinet 67 5 4 ...

Page 4: ...rounding conditions Change the location if the fridge is located at humid wet places or the installed state is unstable If needed ground the fridge Especially if there is a possibility of electric leakage ground is indispensable Do not allow consumers to overload a certain outlet Check out whether the power cord or the outlet is broken squeezed chopped off or heat deformed Repair or replace the de...

Page 5: ...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 6: ... 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 fire Prohib...

Page 7: ... Given this independent system the freezer and the refrigerator are cooled individually as required and are therefore more efficient Food odor from the refrigerator does not affect food in the freezer due to separate air flow circulation Moving Tray The Deli Drawer can be moved side to side for customer improved customer satisfaction Digital Display Temperature Control Digital Display Temperature ...

Page 8: ...Ohm Energy Consumption 453kWh year RF21 445kWh year RF19 Refrigerant Charge R134a 5 64 oz 160g Compressor MK162D L1U 730 Btu hr 0 124kw Clearance must be provided for air circulation AT TOP 2 50mm AT SIDES 1 25mm AT REAR 2 50mm Ambient Temperature 70 21 90 32 Refrigerator 34 1 46 8 34 1 46 8 Freezer 8 22 8 13 8 22 8 13 Run Time 40 65 Air inlet Air inlet Heat exchanger Fan Air inlet Air inlet Heat ...

Page 9: ...3 Interior Views Light Freezer Drawer Bin Door Bin Push it up and slide it out to disassemble Vegetable Drawer Fruit Drawers Glass Shelf Pull it out until its stop Tilt down and slide it out Moving Tray Pull it out to disassemble ...

Page 10: ...om F Room R Room F Room R Room F Room R Room N N Sound power level Sound Pressure level Cooling Speed Min Product Zone Appearance ITEM SPEC 89 6 32 C 109 4 43 C Temperature Distribution Fridge Run Time 7 1 2 F R e c n a m r o f r e P e s i o N Cooling Tech Door Shape Special Room 220Ê 220Ê 26 0Ê 2 0Ê 18 0Ê 5 0Ê 2 0Ê 2 0Ê 65 Ê 46dBÊ 45dBÊ RF20 18 RF197 217 ...

Page 11: ...er Width Width Height Depth Net Packing w o Hinge With Hinge with Handle w o Handle w o Door 3 Door Reciprocate AC 115V 60Hz R 134a C Pentane 5 64 oz 160g Indirect Cooling Method Refrigerator 130W 350W Dimension WxDxH Imm 32 1 8 x 32 4 8 x 70 6 8 817 825 1798 19 4 550 12 8 363 6 6 187 32 1 8 817 70 6 8 1798 70 6 8 1798 32 4 8 825 30 1 8 765 26 2 8 667 34 5 8 880 75 1906 32 4 8 826 243 110 267 121 ...

Page 12: ...or MK162DL1U E09 AC FREOL 10 SPLIT FIN TYPE SPLIT FIN TYPE Forced and Natural Convection Type Molecular shieve XH 9 0 032 x157 0 82mmx4000mm R134a 6hr 10min 12 34hr varies according to the conditions used 6 17hr varies according to the conditions used 12 1min THERMISTOR 502AT 5 0KΩat 77 25 THERMISTOR 502AT 5 0 at 77 25 AC 125V 6A Off 140 60 On 104 40 AC 125V 6A Off 140 60 On 104 40 ON 0 18 5 15 16...

Page 13: ...F Door Switch FRE REF Power Cord Ground Screw Specification RF19 RF21 s t n e n o p m o C c i r t c e l E AC 120V 240W AC115V 120W 4TM412SFBYY 53 275 9 F 135 5 C 141 8 9 F 61 5 C AC 115V 60Hz DC12V DREP5020LC DC12V DREP5020LC DC12V DRCP5030LA DC 12V 100mA 130mA 1EA DC 12V 255mA 320mA 1EA DC200V 0 5A MS 406 SS 01 1EA DC200V 0 5A MS 406 SS 01 2EA AC125V 15A BSBN BRASS SCREW RF20 RF18 4TM445PHBYY 82 ...

Page 14: ...32 4 8 825 Height without hinge D 69 7 8 1775 69 7 8 1775 69 7 8 1775 69 7 8 1775 with hinge E 70 1 8 1780 70 1 8 1780 70 1 8 1780 70 1 8 1780 total 70 1 8 1780 70 1 8 1780 70 6 8 1798 70 6 8 1798 B C D A E 1492mm m m 2 7 1 1 8 1 F R 7 9 1 F R m m 2 2 2 1 0 2 F R 7 1 2 F R 0 9 0 9 817mm 35mm 100mm m m 7 1 6 8 1 F R 7 9 1 F R m m 7 6 6 0 2 F R 7 1 2 F R 337 5mm 5 3 1 5 3 1 100mm m m 2 7 1 1 8 1 F R...

Page 15: ...15 Compressor Sub condenser Side Cluster Hot Pipe Dryer R Capillary R Evaporator F Evaporator Suction Pipe Compressor PRODUCT SPECIFICATIONS 2 7 Refrigerant Route in Refrigeration cycle ...

Page 16: ... AXIAL FLOW FAN AXIAL FLOW FAN 16 PRODUCT SPECIFICATIONS 2 8 Cooling Air Circulation ...

Page 17: ... Do not install the refrigerator in a damp place or place where it may come in contact with water Deteriorated insulation of electrical parts may cause an electric shock or fire The refrigerator must be grounded You must ground the refrigerator to prevent any power leakages or electric shocks caused by current leakage from the refrigerator Do not put bottles or glass containers in the freezer When...

Page 18: ...g down the top table and remove it 2 Disconnect electric wire on the top of the refrigerator 3 Remove the 3 hex bolts that hold the hinge on the top of the refrigerator with the 7 16 socket wrench 4 Remove the screw that holds the ground wire with a philips screwdriver 5 Separate the Hinge from the electric wire and ground wire Top Table ...

Page 19: ...d scratch the doors while removing the doors 7 Separate the cap on the middle hinge 3 3 Freezer Door RF195 215 Freezer Door Part Name How To Do Descriptive Picture 1 Remove the screw attached to the left and right middle hinges with a philops screwdriver Remove the 2 hex head bolts attached to the left and right middle hinges with an allen wrench 3 16 ...

Page 20: ... the Middle Hinge connected to the Freezer 3 Disassemble the Freezer door by lifting it upward Be careful not to drop and scratch the Freezer door 4 Disassemble the Cap on the Low Hinge 3 3 Freezer Door RF217 RF197 Freezer Door Part Name How To Do Descriptive Picture 1 After opening the Freezer door lift the drawer box ...

Page 21: ...D REASSEMBLY 3 4 Freezer Door Switch Freezer Door Switch Part Name How To Do Descriptive Picture Freezer Door Part Name How To Do Descriptive Picture 2 Remove 4 hex head bolts from both sides with a socket wrench 7 16 3 Lift up the freezer door from the rails Be careful not to drop and scratch the freezer door ...

Page 22: ...tive Picture 1 When pulling out the shelf if it is not slid out well lift it up slightly and pull out again 3 5 Refrigerator Light Refrigerator Light Part Name How To Do Descriptive Picture 1 Remove the lamp cover by pulling it down as pushing the rear of lamp cover 2 Separate the LED panel ...

Page 23: ...ghtly and pull out again 3 8 Vegetable Fruit Drawers Shelf Vegetable Fruit Drawers Shelf Part Name How To Do Descriptive Picture 1 Remove the vegetable fruit drawer by pulling the roller part and lifting it up 2 Remove the vegetable fruit drawer shelf by pulling it out Refer to the picture 3 Remove the vegetable fruit drawer partition by pulling it out Refer to the picture ...

Page 24: ...ull straight out Refer to the picture 3 10 Evaporator In Refrigerator Evaporator In Refrigerator Part Name How To Do Descriptive Picture 1 Remove the screw cap with a flat blade screwdriver 2 Unscrew a screw 3 Unscrew two screws And remove the hook by pulling it from the lower part and pushing the cover down Refer to the picture ...

Page 25: ...e Picture 4 Remove the housing cover by pushing both lateral sides of the housing cover and pulling it out Refer to the picture 5 Disconnect the housing connector part Refer to the picture 6 Remove the evaporator by Lifting the bottom side of it up and pulling it out Refer to the picture ...

Page 26: ...ull the handle assembly out to the front side with turning driver to one side CAUTION Turn the handle assembly though 90 degrees to allow access to the bottom fixing position Required Tools Flat Head Driver Ø0 12 0 13 Ø3 0 3 3mm 3 12 Freezer Light Freezer Light Part Name How To Do Descriptive Picture 1 Remove the light by pulling the light cover down while pushing the rear plane of light cover ...

Page 27: ...ewing 2 screws Lift up the evaporator cover 2 Disengage the housing connector and remove the evaporator cover 3 14 Evaporator InFreezer Evaporator In Freezer Part Name How To Do Descriptive Picture 1 Remove the housing cover by pushing both lateral sides of housing cover part and pulling it out Remove the housing connector part 2 Remove the evaporator by pulling the lower part of the evaporator wh...

Page 28: ...r compressor 2 Disengage the housing connector Refer to the picture 3 Remove the hooker of support circuit motor by lifting the hooker up and pulling it out 4 Remove the screw with a flat blade screwdriver Refer to the picture 5 Remove the motor fan by pulling the fan out while graping the motor part Refer to the picture ...

Page 29: ...ISASSEMBLY AND REASSEMBLY Motor Fan Part Name How To Do Descriptive Picture 6 Unscrew 2 screws fixed in the motor 7 Remove the hook of the motor cover with a flat blade screwdriver and then remove the motor ...

Page 30: ...the 3rd time FF3 blinks on the display and it indicates the refrigerator has entered manual operation mode 3 Compressor run at 2050rpm When manual operation mode change buzzer beeps as an alarm 1 2 If manual function is selected compressor 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 stopped and manual operation will...

Page 31: ...en beeps 0 5 sec ON 0 5sec OFF during the manual defrost of the fresh food and freezer compartment 4 Test cancel mode 4 1 During the simultaneous defrosting of fresh food and freezer compartments if any key is pressed once all display on the front panel will be off and defrosting of fresh food compartments will be canceled at the same time and will return to normal operation The test functions wil...

Page 32: ...erate for 2 seconds ALL ON OFF 0 5 sec each If Power Freeze Key Power Cool Key are pressed simultaneously for 8 seconds including above 2 seconds the self diagnostic function will be selected 2 2 At this moment self diagnostic function will start with a ding dong sound If there is an error the error display will operate for 30 seconds and then return to normal condition whether problem is correcte...

Page 33: ...AN Error F DEF Heater Error Display LED R 1 ⓐ R 1 ⓑ R 1 ⓒ R 1 ⓓ R 1 ⓔ R 1 ⓖ F 1 ⓐ F 1 ⓑ F 1 ⓒ F 1 ⓓ F 1 ⓔ F 1 ⓖ Trouble contents ICE MAKER SENSOR part error R SENSOR part error R defrost SENSOR part error R inner fan motor part error ICE MAKER operation error R defrost part error External SENSOR part error F SENSOR part error F defrost SENSOR part error F inner fan motor part error Machine room fa...

Page 34: ...AIN PCB CN30 4 8 Shall be between 4 5V 1 0V When checking the voltage of MAIN PCB CN31 1 3 Shall be between 4 5V 1 0V When checking the voltage of MAIN PCB CN30 5 8 Shall be between 4 5V 1 0V When checking the voltage of MAIN PCB CN30 6 8 Shall be between 4 5V 1 0V Voltage of MAIN PCB CN76 Pink Gray Shall be between 7V 12V Voltage of MAIN PCB CN76 Blue Gray Shall be between 7V 12V Voltage of MAIN ...

Page 35: ...sing the Power Freeze Key Power Cool Key and pressing Fridge Key load condition display mode will be returned with alarm Ding dong 3 Load condition display mode shows the load that the micom signal is outputting However even though it shows that micom signal is outputting it does not show whether the load is operating or not Though the load operation is displayed the load could not operated due to...

Page 36: ...w operates applicable LED ON When fresh food compartment defrost heater operates LED ON When initial power applied to refrigerator LED ON When ambient temperature is more than 93 34 LED ON When ambient temperature is less than 72 22 LED ON When the ambient temperature is between 73 23 91 33 F 1 ⓔ ⓕ ALL LED Off At the display mode LED ON When compressor operates applicable LED ON When freezer FAN H...

Page 37: ...lay fan motor etc operate normally but only compressor does not operates 4 If fresh food and freezer compartments sensors are higher than 149 65 during exhibition display mode exhibition display mode will be canceled automatically and cooling operation will be returned There is no buzzer sound when the exhibition display mode is canceled by the temperature 5 Operation contents of exhibition displa...

Page 38: ... key Code Down key Code Up key Reference Value down key Reference Value Up key If the display changes to option setting mode all displays will be off except freezer and fresh food compartments temperature display as below Fresh food and freezer compartments is explained only because all options are operated with the same method according to the option table Basically option function has cleared da...

Page 39: ... 5 It is possible to regulate the fresh food compartment temperature water supplying quantity ejecting temperature ejecting time of Ice maker return temperature agter defrost hysteresis per temperature notch gap per temperature etc 6 Option function is set in the EEPROM at shipping process in the factory You would better not to change the option of your own Completing the setting is that option fu...

Page 40: ... 0 1 0 5 2 1 0 3 1 5 4 2 0 5 2 5 6 3 0 7 3 5 1 0 5 2 1 0 3 1 5 4 2 0 5 2 5 6 3 0 7 3 5 8 4 0 Freezer Compartment Code Reference Value Setting ITEM MODEL FridgeTempShift NW2FDR FridgeRoom7 SEG 1 Setting value Temp compensation 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 0 5 2 1 0 3 1 5 4 2 0 5 2 5 6 3 0 7 3 5 1 0 5 2 1 0 3 1 5 4 2 0 5 2 5 6 3 0 7 3 5 8 4 0 Freezer Compartment Code Reference Value 2 T...

Page 41: ...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 42: ...connection part NO 0 6V Measurement 4 6V Check the Cold solder joint hort solder touch NO No trouble with PCB and temperature sensor Recheck the bad contact of the connector Measuring point of resistance value according to Sensor Ice Maker CN90 3 4 measure the resistance value 0Ω Short trouble Ω Opentrouble Sensor MICOM Connector number Voltage is measured between 4 6V 0 6V Voltage of IC10 MICOM 5...

Page 43: ...e the resistance value Ω Short trouble Ω Open trouble Sensor MICOM Connector number Voltage is measured between 4 6V 0 6V Voltage of IC10 MICOM 53 is same with the measuring voltage of CN30 3 Red REG1 Heat Sink from PCB common Ground part Check the measure on MICOM or Sensor Marking 1 R301 DATA1 Temperature Table ERROR Code Refertocircuitdiagraminthemanual R Connector CN30 6 White to REG1 HEAT SIN...

Page 44: ...Measure the resistance value Ω Short trouble Ω Open trouble SensorMICOM ConnectorNumber Voltage is measured between 4 6V 0 6V Voltage of IC10 MICOM 54 is same with the measuring voltage of CN30 4 Orange REG1 Heat Sink from PCB common Ground part Check the measure on MICOM or Sensor Marking 2 R303 DATA1 TemperatureTable ERROR Code Refertocircuitdiagraminthemanual RDEF Connector CN30 4 Orange and RE...

Page 45: ...d in the right top table of upper hinge Ω Short trouble Ω Open trouble Sensor MICOM Connector number Voltage measured between 4 6V 0 6V Voltage of IC10 MICOM 59 is same with the measuring voltage of CN31 1 White REG1 Heat Sink from PCB common Ground part Check the measure on the MICOM or Sensor Marking 5 R309 DATA1 Temperaturetable ERROR Code Refer to circuit diagram in the manual Ambient Connecto...

Page 46: ...istance value Ω Short trouble Ω Open trouble Sensor MICOM Connector number Voltage is measure between 4 6V 0 6V Voltage of IC10 MICOM 57 is same with the measuring voltage of CN31 5 Yellow REG1 Heat Sink from PCB common Ground part Check the measure on MICOM or Sensor Marking 3 R305 DATA1 Temperaturetable ERROR Code Refer to circuit diagram in the manual F Connector CN30 5 Yellow and Start YES YES...

Page 47: ...istance value Ω Short trouble Ω Open trouble Sensor MICOM Connector number Voltage is measured between 4 6V 0 6V Voltage of IC10 MICOM 58 is same with the measuring voltage of CN30 6 Pink and REG1 Heat Sink from PCB common Ground part Check the measure on MICOM or Sensor Marking 4 R307 DATA1 Temperaturetable ERROR Code Refer to circuit diagram in the manual FDEF Connector CN30 6 Pink and REG1 Star...

Page 48: ...nals are not still entered above operation is repeated for 4 times more If signals are not entered continuously the motor is restarted after 10 seconds This function is effective when the normal operation of motor is locked by foreign matters such as ice Checking method of R F C FAN Motor The voltage of PCB common Ground REG1 Heater Sink and F FAN CN76 5 Red shall be less than DC 7 12V R FAN CN76 ...

Page 49: ...ration Status Ready 5V Operation 0V 46 Test Switch MICOM IC10 Operation Status Ready 44 5V 0V 5V 0V 5V Rotation Ready Half Rotation Return Rotation ERROR Code Yes No Does Ice Maker Sensor unit normal 1 Check Repair Ice Maker Sensor Refer to the solution If Ice Maker Sensor has trouble 1 Check Replace Water Valve Refer to the operation condition of Water Valve 1 Check the wiring connections 2 Check...

Page 50: ...Ground REG1 Heater Sink and F DEF CN30 6 or Sensor Marking 4 R307 R DEF CN30 4 or Sensor Marking 2 R303 measure the resistance value 0V Short trouble 5V Open 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 defrost will be operated Is the temper...

Page 51: ...ace PCB Main Replace PCB ASS Y Check Main PCB connection Check the connections between upper hinge Cabi Door Check Door Panel PCB connection Is plug connected in Input Voltage 115V 15 Is Fuse on the SMPS PCB normal Is 115V applied to both terminals of SMPS power VAR1 Is DC 170V applied to both terminals of BD101 Is 12V applied to both terminal of C111 Is 5V applied to both terminal of C113 Does Pa...

Page 52: ...e PCB Refer to the circuit diagram in the manual 52 TROUBLESHOOTING 4 2 6 If compressor does not operate Preliminary Inspection Check the compressor with selecting the manual operation 1 Compressor does not work unless 5mins pass after satisfying the temperature 2 Compressor does not work during defrosting 3 Compressor does not work because it sensing low temperature unless the fridge freeze senso...

Page 53: ...letely Is water penetrated into the door switch Is the connector CN30 inserted correctly Is Door S W itself unit normal Is manual operation defrost selected Does buzzer sound when Power On again Recheck Main PCB Door switch Is input voltage of Main 60 52 changed at door open door close Remove the cause after comprehending the conditions of interference by door gasket food etc Repair the trouble of...

Page 54: ... Does it sound Dingdong if press a button on the frontpanel Is the breakage or damage of the buzzer in the Main PCB Recheck the button pressing force and mechanical problem Check if the lead of component is fallen from the vibration plate of Buzzer or not Does it make a sound of Door Open alarm when opening the door of freezer or fridge more than 2 minutes Main PCB is normal BUZZER is normal Check...

Page 55: ...CB and check the bad contact Reinsert connector of PANEL PCB and check the bad contact Replace PANEL PCB Replace PCB Check parts trouble fallen PCB Pattern Solder connection of parts Yes No Is Main PCB 12V normal Check the power Check the connecting part of left right CABI upper hinge according to left right opening of door Check the connecting part of left right door upper hinge according to left...

Page 56: ... PANEL PCB Is Panel PCB connector inserted correctly Is connector of upper hinge cover inserted correctly Yes No Is Main PCB connector CN50 inserted correctly Reinsert the Main PCB connector Replace Reinsert the connector and check the bad contact Reassemble the Panel PCB Cover Reinsert the connector and check the bad contact ...

Page 57: ... Check the connector terminal Yes Yes No Is the LED Lamp normal Replace LED Lamp Replace PCB Replace Door S W Door MICOM State Door Close Open F MICOM 60 R MICOM 52 0V Low 5V High 0V Low 5V High MICOM LAMP State Door Close Open F MICOM 31 R MICOM 32 0V Low 5V High 0V Low 5V High IC71 State MICOM 31 32 IC71 output 15 16 0V Low 5V High 12V High 0V Low Checking method of Door Switch voltage PCB commo...

Page 58: ... 1 Water supplies directly to water valve Please shut off the water supplying prior to repair 2 Power is applied to the one end of wires Be careful when disassembling not to get an electric shock 3 To check the Ice Water Valve operation shall press the Ice Maker Test switch and then check the operation Ice Maker in freezer Common PCB Ground REG1 Heater Sink Based on PCB common Ground REG1 Heater S...

Page 59: ...MICOM program RESET control circuit part Initialize the program by sensing power ON OFF 6 BUZZER Circuit 7 PLC Input Output PLC Power Line communication Option PLC module is not inserted unless specified occasion 8 Operate ICE MAKER supply power to MOTOR and sense the variation of switch 9 Display driving part Display LED detect KEY state 10 Relay part which controls AC load Operate by receiving t...

Page 60: ...o conrol MICOM program RESET control circuit part Initialize the program by sensing power ON OFF 6 BUZZER Circuit 7 PLC Input Output PLC Power Line communication Option PLC module is not inserted unless specified occasion 8 Operate ICE MAKER supply power to MOTOR and sense the variation of switch 9 Display driving part Display LED detect KEY state 10 Relay part which controls AC load Operate by re...

Page 61: ...87 6 2 Connector Layout with part position Main Board PCB DIAGRAM ...

Page 62: ...87 6 2 Connector Layout with part position Main Board RF18 RF20 PCB DIAGRAM 14 12V ...

Page 63: ...88 7 Wiring Diagram RF18 RF20 RF195 RF197 RF215 RF217 ...

Page 64: ...89 8 1 Refrigerator Block Diagram 8 Schematic Diagram ...

Page 65: ...90 SchematicDiagram 8 2 Main ...

Page 66: ...OM_FFAN FB C206 100nF 2 1 GND 12V GND MICOM_CFAN FB 2 2401 003585 CE8 1 L3 1mH 4 3 5 2 6 1 MICOM_RFAN GND 12V GND J K 0 1 W 5 2 1 0 2 1 2 3 1 R 2401 003585 CE7 2 1 GND MICOM_FFAN MICOM_CFAN VIN VDIS VO GND 3 2 4 1 1203 002183 278R12 IC72 L01 DA27 00001A 3 2 4 1 R41 330 J 0 125W 2 1 GND 50V 100nF C22 2 1 J 0 125W 10K R133 2 1 12V C B E 0 2W KRC246S Q3 1 2 3 12V C B E Q5 1 3 KTB1151 2 C207 2 1 100nF...

Page 67: ... 950 6193 6896 FAX 82 62 950 6829 Samsung Electronics Co Ltd Refrigerator Division 2009 04 Printed in Korea This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International or domestic law ...

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