Samsung RS265 LABP Service Manual Download

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SIDE BY SIDE
RS265 LAWP
RS265 LABP
RS267 LABP
RS267 LASH
RS269 LARS

REFRIGERATOR

PRODUCT FEATURE

LED DISPLAY

LONG HANDLE DESIGN

FASTER COOLING TIMES

IMPROVED EVEN COOLING

Summary of Contents for RS265 LABP

Page 1: ...SIDE BY SIDE RS265 LAWP RS265 LABP RS267 LABP RS267 LASH RS269 LARS REFRIGERATOR REFRIGERATOR PRODUCT FEATURE LED DISPLAY LONG HANDLE DESIGN FASTER COOLING TIMES IMPROVED EVEN COOLING ...

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 ⓒ2005 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: ...RUCTIONS INSTALLATION 17 4 ALIGNMENT AND ADJUSTMENTS 25 5 DISASSEMBLY AND REASSEMBLY 33 6 TROUBLESHOOTING 49 7 EXPLODED VIEW PARTS LIST 64 8 BLOCK DIAGRAM 70 9 CIRCUIT DIAGRAM 71 10 PCB DIAGRAM 73 11 CIRCUIT DESCRIPTIONS 76 12 SAFETY INSTRUCTIONS ON SERVICE 84 13 REFERENCE INFORMATION 90 ...

Page 4: ...iscriminately 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 by humidity or wetness Do not use multi plugs in a plug socket at the same time Check if ...

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 ...

Page 6: ...Opening 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 f...

Page 7: ... 2 3 Interior Views and Dimensions 10 2 4 Model Specification Comparison Chart 11 2 5 Model Specification Comparison 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 8: ... circulates through multiple vents on every shelf level This provides even distribution of cooling inside cabinets to keep your food fresh longer 3 Xtra SpaceTM Vertical room next to the ice maker in the freezer provides space for pizza etc 4 Door Alarm Beep sound reminds you the door is open 5 Xtra FreshTM Optimized humidity control keeps vegetables fruits fresh 6 Deodorizer Reusable twin deodori...

Page 9: ...ain PCB ASS Y Dispenser DA41 00104S Thermistor Freezer DA32 10109W Thermistor Freezer Evaporator DA32 00006A Thermistor Refrigerator DA32 10105U Thermistor Refrigerator Evaporator DA32 00006B Thermistor Ambient DA32 10109V Thermistor CoolSelect ZoneTM DA32 10109X Thermistor Ice Maker DA32 10108B Relay DA35 10013Q Overload Relay DA34 10003D Run Capacitor 12 2501 001045 Fan Motor FRE DA31 00020E Fan...

Page 10: ...wers Wire Drawers Front Leg Cover Tilt Pockets RS265 Model Egg Container Foldable Shelf RS267 RS269 Light upper Water Filter Spill proof glass Shelf Dairy Compartment Wine Shelf Gallon Door Bin Lights lower Gallon Door Bins Door Bin Top Lips CoolSelect ZoneTM Drawer for RS267 RS269 Chilled Bin for RS265 Vegetable Fruit Drawers RS267 RS269 Model Freezer Refrigerator ...

Page 11: ...F DA34 10120E FRE Product Weight MOTOR POWER CODE AC 125V DOOR SWITCH Item Specification N Ne et t C Ca ap pa ac ciit ty y T To ot ta all R Re ef fr riig ge er ra at to or r F Fr re ee ez ze er r Models 713L 270L 443L RS255BAWW DISPENSER COOL SELECT ZONE BBY AC115V 0 5A AC115V 12A DC12V DREP302 ΦCA 140 702L 264L 438L RS267LABB DISPENSER COOL SELECT ZONE LOWES ...

Page 12: ... Motor Rated Consumption Power Electric Heater Rated Consumption Power Kind of Refrigerator Refrigerant Refrigerant Input Amount Product Weight Item Specification N Ne et t C Ca ap pa ac ciit ty y T To ot ta all R Re ef fr riig ge er ra at to or r F Fr re ee ez ze er r Models 26 1 cu ft 10 0 cu ft 16 1 cu ft 413W 414W 160W Dispenser Dispenser with Coolselect ZoneTM Dispenser with Coolselect ZoneTM...

Page 13: ... 10A Off 140 On 104 AC 250V 10A 170 6 0 10 Components for Freezer Room Temperature Sensor Components Freezer Model Temperature Selection 14 4 8 THERMISTOR F SENSOR 502AT Model Temperature Selection 34 38 44 Refrigerator Defrost Cycle Defrost Sensor Thermal Fuse F Defrost Sensor F Bimetal thermo R Thermal Fuse R Defrost Sensor FirstDefrostCycle ConcurrentdefrostofFandR Defrost Cycle FRE Defrost Cyc...

Page 14: ...MP Package type Running Starting Model Operation Model Temp ON Temp OFF Starting Relay Over load Relay MOTOR BLDC FRE MOTOR BLDC REF MOTOR BLDC Circuit Lamp FRE Lamp REF Door Switch Power cord Earth Screw Bimetal thermo for preventing Overheating of Freezer Defrost Heater 12μ F 250V J531Q32E4R7M180 2 4 7Ω 20 4TM265RFBZZ53 257 10 156 2 18 AC 115V 60Hz DC12V DREP3030 LA DC12V DREP3020 LA DC12V DRCP3...

Page 15: ...15 2 PRODUCT SPECIFICATIONS 35 7 46 5 16 6 21 5 51 4 20 1 29 9 36 32 4 2 15 2 64 4 69 8 29 2 1 2 4 2 6 Dimensions of Refrigerator Inches ...

Page 16: ... Material Specification Photographe Part Name FILTER WATER ASSY DA29 00003B ASSY PACKING SUB DA99 00240A LAMP INCANDENT 4713 001206 LAMP INCANDENT Refrigerator 1pcs 130V 40W Freezer 1pcs Refrigerator 2pcs 240V 25W 4713 001197 Part Code Remark ...

Page 17: ...Tube Refrigerator Evaporator Freezer Evaporator Suction Pipe Compressor Refrigerator Evaporator Capillary Tube ACCUMULATOR Freezer Evaporator SUCTION PIPE Dryer Muffler SUB CONDENSER Hot Pipe Hot Pipe Compressor SIDE CLUSTER PIPE 2 PRODUCT SPECIFICATIONS 2 8 Refrigerant Route in Refrigeration cycle ...

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

Page 19: ...e and Power Cool Functions 21 3 4 Child Lock Function 21 3 5 Ice Water Dispenser Function 22 3 6 C Fan Motor Delay Function of the Machine Compartment 22 3 7 CoolSelect ZoneTM Function RS267LA RS269LA 22 3 8 Water Filter Indicator Function 23 3 9 Ice Maker Function 23 3 10 Defrost Function 25 3 11 Installation 26 ...

Page 20: ...l the ice bucket is filled up with ice cubes When the ice bucket is filled up with ice cubes the freezer will run with original set temperature Also whenever the ice bucket is released from being filled with ice cube the freezer will repeat to be controlled with 14 degrees Fahrenheit But if you select Ice Off the freezer always will be controlled with original set temperature 3 Refrigerator Temper...

Page 21: ...re will be restored 2 Power Cool function 2 1 Power Cool operation and the indicator work exactly same as the Power Freeze function 2 2 When Power Cool is selected COMP and Refrigerator Fan operate continuously until the refrigerator reaches 25 This function will be terminated after 2 hr running 3 When you select Power Freeze and Power Cool together Each function works at the same time The COMP an...

Page 22: ...ater Dispenser function 2 1 To dispense water depress the water dispenser lever located in the dispenser recess 2 2 When the lever is depressed the water solenoid valve located in the machine compartment is open to flow water 2 3 There is no electronic control function for this option According to the ambient temperature the condenser fan located in the machine compartment is operated with differe...

Page 23: ...er will be maintained with 30 3 5 While the compressor is on this drawer retains a certain temperature and while the compressor is off the defrost heater is activated and Refrigerator Fan is on with a closed position of the damper 1 Filter Indicator 1 1 This indicator initially lights in green The light color will be changed to orange after 5 month operation then to red at the 6th month The EEPROM...

Page 24: ...t make ice any more because of a ice full signal 2 3 It takes 6 hours to harvest a first ice and throw away 2 3 times of these ice to make sure the supplied water clean 1 Initial Operation function 1 1 Whenever the power is on the control board checks the ice tray leveling with the leveling switch within 2 seconds 1 2 If the leveling switch is not off position the geared motor will turn to the ini...

Page 25: ...d water 5 3 When Cubed or Crushed option is selected again the control board will check an accumulated time period After making it 60 minutes and when the ice tray temperature is acceptable ice ejection process will begin 6 Functions when the freezer door is open When the freeze door is open all ice maker related processes will cease in order to minimize noise and to prevent ice from dispensing 6 ...

Page 26: ...nd pulling the hose down Insert the upper hinge shaft into the hole After leveling between the upper hinge hole and the hole of the cabinet Reattach hinge screws and ground screw in the clockwise direction Connect the wires Put the front part of the upper hinge cover on the front part of the upper hinge and reattach from the front part of the upper hinge cover first 26 3 OPERATING INSTRUCTIONS INS...

Page 27: ...frost Refrigerator Freezer Defrost Cancellation 28 4 2 Sound function 29 4 3 Exhibition Function 29 4 4 Self Diagnostics Function 29 4 5 Load Operation Check Function 31 4 6 Restoration Function for Power Outage 31 4 7 Set Point Shift Function 31 4 8 Table of Set Point Shift Function 32 ...

Page 28: ...te If this pull down mode begins right after the compressor was off the compressor may not start to run due to an overload condition 1 3 At this mode the compressor and freezer fan will operate continuously for 24 hours and the refrigerator fan will be on and off according to the set temperature 34 1 4 After 24 hour operation the system will be cycled at 14 for the freezer and 34 for the refrigera...

Page 29: ... Most of the system function except the compressor operation are working properly 2 2 There is no defrost cycle in this mode 1 Self Diagnostics in the initial Power ON 1 1 The control board performs a self diagnostics test within 1 second and check out the temperature sensors abilities 1 2 If a sensor failure occurs a corresponding LED segment will blink with a beep 1 3 When a LED segment blinks o...

Page 30: ...failure feedback signal line contact failure motor s electric wire missing and so on In the freezer room if frost removal mode is finished due to limited time of 70 minutes Error is displayed CONDENSER FAN ERROR COMP FAN Indicate Error if the F and G signals generated by the FAN motor operation are not input FREEZER DEFROST ERROR NO Error items LED Display Details Remarks 01 02 03 04 05 06 07 08 0...

Page 31: ...Power Cool buttons simultaneously for 12 seconds to get into this mode In this mode only the display LEDs for temperature will be ON NO Contents REFRIGERATOR FAN High or AC motor operation REFRIGERATOR FAN Low REFRIGERATOR DEFROST heater Start mode Overload mode Low temperature mode Exhibition mode COMPRESSOR FREEZER FAN High FREEZER FAN Low FREEZER DEFROST Heater CONDENSER FAN High CONDENSER FAN ...

Page 32: ...15 4 8 Table of Set Point Shift Function 4 ALIGNMENT AND ADJUSTMENTS 1 Initially all products set the code 0 2 After 20 seconds from adjustment a new setting will be stored in EEPROM and return to the normal display 3 Freezer Temp Fridge Temp Ice maker water supply Ice tray temperature and CoolSelect ZoneTM temperature can be adjusted with this function 0 Reference Value ...

Page 33: ... 3 4 5 6 7 8 9 10 11 12 13 14 15 Temp shift Code Temp shift 2 Shift the refrigerator temperature sensor 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 4 ALIGNMENT AND ADJUSTMENTS Example If you are raising the current temperature of the refrigerator by 3 0 1 Reference Value ...

Page 34: ...ust the time to supply water for the ice maker 4 Shift the Ice maker temperature sensor 2 Reference Value 0 Code Volume to supply water 85 cc 1 95 cc 0 Code CoolSelect ZoneTM temperature sensor 0 1 1 0 2 2 0 3 3 0 4 1 0 5 2 0 6 3 0 7 4 0 0 Code Ice maker temperature sensor 1 1 0 5 2 4 3 7 5 4 5 5 10 5 6 14 7 17 5 4 Reference Value 20 Reference Value ...

Page 35: ...4 Upper Ductwork 44 Evaporator Fan Motor 44 Evaporator in Refrigerator 45 Refrigerator Thermistor 45 CoolSelect ZoneTM Thermistor 45 5 3 Freezer Disassembly Door Bin in Freezer 45 Freezer Door Light Switch 45 Plastic Wire Drawer in Freezer 45 Freezer Shelf 45 Ice Dispenser Ice Maker 45 Auger Motor Case 46 Freezer Light 47 Evaporator Cover in Freezer 47 Upper Ductwork 47 Evaporator Fan Motor 47 Eva...

Page 36: ... pulling the water tube away Removing the Front Leg Cover Do not cut the water tube but separate it from the coupler WARNING Separating the Water Supply Line from the Refrigerator a a FRONT LEG COVER SCREW Open the freezer and refrigerator doors and then take off the front leg cover by turning the three screws counter clockwise ...

Page 37: ...er Door Lift the door straight up Be careful not to pinch the water tubing and wire harness on the door Place doors on a protected surface NOTE 1 With the door closed remove the upper hinge cover using a screwdriver and then disconnect the wires 3 Remove the door from the lower hinge by carefully lifting the door 4 Remove the lower hinge from the bracket lower hinge by lifting the lower hinge in t...

Page 38: ...r hinge in the direction of the arrow Be careful when removing the door to ensure that it does not fall on you 3 Remove the door from the lower hinge by lifting the door 4 Remove the lower hinge from the bracket by lifting the lower hinge Removing the Refrigerator Door NOTE After disassembling the freezer refrigerator door move it to the appropriate location you must reassemble it ...

Page 39: ...hole in the lower hinge and pulling the hose down 3 Insert the upper hinge shaft into the hole After levelling between the upper hinge hole and the hole of the cabinet Reattach hinge screws and gound screw in a clockwise direction 4 Connect the wires 5 Put the front part of the upper hinge cover on the front part of the upper hinge and reattach from the front part of the upper hinge cover first 12...

Page 40: ...lower hinge 3 Insert the upper hinge shaft into the hole After levelling between the upper hinge hole and the hole of the cabinet Reattach hinge screws and gound screw in the clockwise direction 4 Connect the wires 5 Put the front part of the upper hinge cover on the front part of the upper hinge and reattach it from the front part of the upper hinge cover first 11 12 ...

Page 41: ...hile pressing the front face of coupler insert the water line in the coupler 2 Tighten the screw on the clamp a Put on the front leg cover by turning the three screws clockwise as shown in the figure FRONT LEG COVER SCREW Before attaching check water connector and 6 glasses to check for leakage NOTE a ...

Page 42: ...to the refrigerator and freezer They are front mounted with screws 1 Lift the handle upward motion with on The door gasket is a molded gasket set into a channel located in the door liner 1 Open the door 2 Grasp the gasket and pull in an outward motion until the molded gasket separates from the door liner Control Panel Door Handle Door Gasket 5 2 Refrigerator Disassembly ...

Page 43: ...ew 3 Remove the lamp cover by unlocking the tabs and pulling the cover down These shelves allow the storage of larger items and pull out for easy access 1 Pull the shelf out as far as it goes 2 Lift it up and remove it Drawers are designed for storage of fruits vegetables and deli items The drawers are located in the lower portion of the refrigerator 1 Pull out the drawer as far as it goes 2 Tilt ...

Page 44: ...e the water tank from the evaporator cover by unscrewing the screws 2 4 Remove the screws 6 at the evaporator cover and the two fixed screws of the wire connector cover 5 Take off motor and lamp wire connector located on the upper liner 6 Remove the duckwork of the evaporator fan in the direction of the arrow as shown 1 Remove the screw caps 2 and screws 5 2 Slide the upper fan ductwork out while ...

Page 45: ...tube during soldering 6 Place a new evaporator and braze the suction and capillary tube to evaporator using silver solder 7 Install a replacement dryer 8 Evacuate and recharge the system using reasonable procedures The refrigerator thermistor is located inside of the upper light cover of the refrigerator The CoolSelect ZoneTM thermistor is located outside the back of CoolSelect ZoneTM drawer The t...

Page 46: ...e lower portion of the freezer 1 Pull out the drawer as far as it goes 2 Tilt the drawer up and pull it out until it is removed The shelves slide out for easy access for frozen items 1 Slide the shelf out until it reaches its stop 2 Tilt down and slide it out of thecompartment The ice dispenser is located in the upper portion of the freezer This assembly stores ice made by the icemaker and dispens...

Page 47: ...t the front locking tab and assemble the ice maker kit 3 Connect the ice maker wire connector 4 Match the tab holes and tabs 2 located on the top of the liner and slide the ice maker in 5 Tighten the screws 2 of the ice maker support This shelf is designed to support the ice maker ice dispensed and Xtra SpaceTM 1 Remove the Xtra SpaceTM cover to push it down and pull front 2 Slide the partition ou...

Page 48: ...n 3 Disconnect the wire connector 1 Remove the screw cap and screw 2 Slide the upper fan ductwork out while disconnecting the wire connector Lamp and Thermistor The evaporator fan is located in the lower rear of refrigerator This fan circulates cold air in the refrigerator 1 Remove screw 4 located at the four corners of the fan bracket 2 Take the fan motor assembly off Upper Ductwork Freezer Light...

Page 49: ... freezer thermistor is located at the top left of freezer vent It sends temperature signals to the micro processor The ambient thermistor is located inside the upper hinge cover Fre It sends temperature signals to the micro processor The Ice Maker thermistor is located in its bottom The temperature signal sends the micro processor Evaporator in Freezer 5 DISASSEMBLY AND REASSEMBLY Accumulator Ther...

Page 50: ...out 3 Disconnect water tubes 3 The condenser Fan is located in the middle of machine compartment It cools down the sub condenser and the compressor 1 Disconnect the condenser fan wire 2 Remove screw 1 from the drain water tray 3 Take the condenser fan assembly off The sub condenser is located in the machine compartment The heat is extracted by condenser fan 1 Desolder the compressor discharge the ...

Page 51: ...ouble with self diagnosis 55 6 5 If alarm sound 56 6 6 If the panel PCB is not working normally 58 6 7 If fan doesn t work 59 6 8 If CoolSelect ZoneTM isn t operated normally RS267LA RS269LA 60 6 9 If the lamps of freezer refrigerator fail in lighting 61 6 10 If the ice chute cover solenoid doesn t work 62 6 11 If Crushed Ice Cubed Ice doesn t work properly 63 ...

Page 52: ... S W 233Y Is the voltage impressed DC 5 8V between C and S Is 12V impressed to both terminals of C102 Is the load such as relay normal Is normal the load such as relay Is there any PCB soldering short or broken Normal Start TocheckthemainPCB pleaseapply descriptionsofoperationand referencesinthemanual YES Check the assembly and connection of electric wires NO Exchange fuse 115V 2A YES Check the PC...

Page 53: ...rk with forced operation Is MICOM No 18 High 5V Open and repair the connection Troubleshoot the sensor and Exchange PCB IsthevoltageofIC03pinNo 14between0 1V Open and troubleshoot the connection Is COMP relay normal Exchange or troubleshoot COMP relay Apply Ref 2 Is the contact of connector CN70 normal Insert connector completely Is COMP assembly normal Exchange and repair COMP assembly Normal NO ...

Page 54: ...Check temp fuse breaking of heater wire contact of wire and so on Is temp of the defrosting sensor below 5 Run forced operation for a specified period Repair the connection terminal Perform forced defrosting for F and F Room at a time Normal Check temp fuse breaking of heater wire contact of wire and so on Exchange or troubleshoot the failure relay or exchange PCB ass y Ispowerappliedtothe respect...

Page 55: ...tents of Temperature Sensing Circuit section in the description of circuit operation A bad contact or connector missing Was the Main PCB connector CN31 inserted correctly Is the ambient temperature sensor normal Is the input of voltage to MICOM pin No 63 normal Start NO Exchange the temperature sensor NO Check the iced solder and short of main PCB NO YES YES YES YES See Ref 4 descriptions of circu...

Page 56: ...se Troubleshoot the breaking of wire and bad door S W Main PCB and door S W are normal Yes NO No slightly YES NO Connector not inserted Troubleshoot poor contact NO Exchange the door S W NO YES Isthestateofinsertedconnector CN30 being normal YES Is the door S W self unit normal YES 2 If Ding Dong sounds continuously Didn t you select Forced operation and Forced Defrosting Start Release the Forced ...

Page 57: ...r in the main PCB blackout or bent The main PCB and buzzer are normal YES YES NO NO YES NO NO Replace the main PCB failure of MICOM Aresignalscoming outofMICOMNo 21ina1 seccycle afterthe Forcedoperation IssignalofQ801 Baseouputtedwith1sec intervals intheconditionabove Did lead of a component fall on the vibration plate of buzzer NO Check the state of pattern connection between MICOM No 21 and Q801...

Page 58: ...heCABIwireoffreezer checkthebreakingofwire shortbetweenwires 3 CheckforShort OpenofthePanelLightingCircuitsectioninthemainPCB NO NO YES YES NO Panel PCB itself has trouble YES YES Is lighting operated normally when the exchange of panel PCB NO NO Recheck after the cancel of locking function YES Is the locking lamp lit on YES Reassemble the PCB ass y Enforce the cancellation of pressed keys NO Aren...

Page 59: ...Check if the fan motor has failure for itself 2 Check if the wire connections have a trouble of contact 3 Check the input of the fan motor rotation pulse in the operation motor fan See the details of Fan Motor Drive Circuit section at page 47 YES YES NO NO NO YES Isthevoltagebetween GNDofthemain PCBandpinNo 4 ofCN72aroundDC10V IsthevoltageDC10Vbetween CN30No 5andNo 6inthemain PCB section NO Isthev...

Page 60: ...teofwireassemblybetween thepanelandmainPCB 1 CheckthewiresofCoolSelectZoneTM checkthedisconnectionofwire shortbetweenwires 2 CheckShort OpentheLightingCircuitsectionofCoolSelectZoneTM panelinthemainPCBfrom 3 ChecktheinsidemainPCBofCoolSelectZoneTM ass yforShort thestateofwireassembly betweenmainPCB NO NO YES YES NO Panel PCB has trouble for itself YES YES Islightingoperated normallywhentheexchange...

Page 61: ...W Check the connections of F and R door S W check and troubleshoot the inside lamp socket YES NO NO YES Caution SeparatethedoorS Wandmeasureits resistancewithameasure Astheresult everyOpen CloseofthedoorS Wshouldturn0 respectively 1 Where0alonecomesout DoorS WhasShort trouble 2 Where alonecomesout DoorS Whas Opentrouble How to check Ifthedoorisopened thenthecontactofdoorS WisopenedandMICOMgetsappl...

Page 62: ...e ChecktheICES Wandtroubleshoot thewireconnectionsystem Main PCB and the sensing section of ice S W are normal Check the operation of SSR71 and Q701 Check the stop lever and support time delay Replace TR Q701 check SSR71 after and then exchange failed components or replace the PCB assembly TR701 and SSR71 are normal YES YES NO YES YES YES YES YES NO NO NO NO NO 1 Check if the solenoid is operated ...

Page 63: ... Main PCB IC3 and exchange it YES NO Does the contact shelf of RY77 relay turn 0Ω even in the power OFF FailureofMainPCB exchange ThecontactterminalofRY77 relayshortfailure YES NO FailureofMainPCBhas Exchangeit NO Main PCB IC3 has failure exchange it Main PCB is normal operated Necessary to check other sections 1 Check the wire between terminals of the AUGER motor and main PCB 2 Failure of cube so...

Page 64: ...64 7 EXPLODED VIEW PARTS LIST 7 1 Freezer 65 7 2 Refrigerator 66 7 3 Cabinet 67 7 4 Disassembly of Freeze Door 68 7 5 Disassembly of Refrigerator Door 69 7 6 Other 78 ...

Page 65: ...17 8 18 8 15 8 12 8 5 8 6 8 7 7 8 4 1 3 2 1 3 1 3 5 4 2 2 2 3 2 4 2 5 5 2 5 1 2 6 2 7 2 9 2 8 4 2 4 1 1 2 1 1 2 10 2 11 2 14 2 13 2 12 6 6 2 6 6 6 9 6 4 6 3 9 1 10 7 10 6 10 4 13 16 2 15 1 13 2 15 16 16 15 16 1 17 17 17 1 17 1 17 2 18 18 1 18 2 18 2 18 18 1 19 1 19 19 2 14 16 1 13 1 15 2 15 1 17 2 16 3 11 12 10 5 ...

Page 66: ...or 1 1 1 1 3 1 4 1 5 1 2 2 2 2 3 2 4 2 10 2 7 2 8 2 9 2 6 2 5 3 4 3 5 5 15 1 2 14 19 20 26 15 2 15 1 23 1 23 24 25 15 2 15 5 15 4 15 7 15 3 22 1 22 2 15 9 15 6 15 2 1 15 2 2 15 1 1 15 8 16 17 16 2 16 1 17 2 17 1 28 28 1 28 2 18 20 1 30 28 3 19 1 ...

Page 67: ...binet 39 34 26 16 16 2 16 3 33 33 1 33 2 33 3 33 4 13 14 1 14 4 15 2 15 1 15 4 15 3 15 14 3 14 2 14 35 16 1 3 4 6 6 1 6 2 6 3 5 40 32 17 7 2 7 7 5 7 3 7 4 7 6 7 1 17 2 17 1 8 11 11 2 11 1 12 1 13 1 28 31 31 1 30 36 31 2 29 37 38 16 5 16 4 ...

Page 68: ...68 7 EXPLODED VIEW PARTS LIST 7 4 Disassembly of Freeze Door 12 9 15 4 15 9 2 9 3 9 1 9 7 9 4 9 8 9 9 9 5 9 6 2 6 3 2 3 13 1 14 13 3 13 2 13 1 13 2 14 2 14 1 3 1 4 5 7 13 13 15 5 15 1 15 2 15 3 15 6 ...

Page 69: ...69 7 EXPLODED VIEW PARTS LIST 7 5 Disassembly of Refrigerator Door 4 3 2 5 6 5 1 5 2 6 1 12 6 2 7 9 8 11 10 7 1 7 2 ...

Page 70: ...70 8 BLOCK DIAGRAM ...

Page 71: ...71 9 CIRCUIT DIAGRAM 9 1 RS269LA RS267LA ...

Page 72: ...72 9 CIRCUIT DIAGRAM 9 2 RS265LA ...

Page 73: ...e with MICOM and transfers them again 5 Plays role of operating the genuine room taste damper and the damper heater 6 Displays LED to the genuine room taste display driving part and processes key signals 7 Displays LED to the panel display driving part and processes key signals Controlled in the link with genuine room taste circuits 8 Performs i ce maker operati on and suppl i es power of the moto...

Page 74: ...74 10 PCB DIAGRAM 10 2 CONNECTOR ARRANGEMENT Main Board ...

Page 75: ...76 11 3 Reset Circuit 76 11 4 Door S W Sensing Circuit 77 11 5 Temperature Sensing Circuit 77 11 6 Key Scan and Display Circuit 78 11 7 CoolSelect ZoneTM Panel Circuit 80 11 8 Fan Motor BLDC Drive Circuit 81 11 9 EEPROM Circuit 82 11 10 Option Circuit 82 11 11 Load Drive Circuit 82 ...

Page 76: ...ed voltage and transform into a steady 12V DC source power used for the digital display panel and relays The regulator KA7805 finally transforms into 5V DC source power for the control board and sensor s circuits Caution Be careful to handle this circuit due to high voltages AC115V DC170V This is oscillator circuit to generate synchronous clocks used to calculate the time for the microprocessor op...

Page 77: ...hile the door is closed Terminal Operation Volt state Freezer DOOR CLOSE DOOR OPEN 0V LOW 5V HIGH Ref DOOR CLOSE DOOR OPEN 0V LOW 5V HIGH ofterminal in MICOM Remark PIN 49 F SENSOR PIN 50 F DEF SENSOR PIN 52 R SENSOR PIN 53 R DEF SENSOR PIN 56 EXT SENSOR Micom terminal voltagemay change accordingto temp 1 A thermistor with a negative temperature coefficient NTC is used for a temperature sensor 2 R...

Page 78: ... If the IC 9 decorder TC4028BP received signals from MICOM pins 3 6 an output signal per 2 miliseconds comes out from Q3 Q41 Q8 Q6 Q9 Q7 Q0 Q2 and Q4 pin in sequence This signal enters to a driver IC input terminal of the CoolSelect ZoneTM PCB and IC5 TD 62783AP then approximate 11V peaks will generate from an output terminal as shown on the next page ...

Page 79: ... applied to the LED input terminal and sink the LED output terminal to 0V Therefore LED will be ON for 2 miliseconds 2 Key Scan The 6 step signals Q6 Q4 are applied to scan the 6 keys buttons When SW6 is pressed the step signal from Q6 will be reduced to 5V and entered to the MICOM then MICOM will match a corresponding function for SW6 key ...

Page 80: ...nal display panel Panel LEDs are off while the doors are closed When a door is open micro processor senses its signal and LEDs will be on 1 3 The basic operational principle is the same as the key scan process 1 4 The additional sensor can measure the temperature of CoolSelect ZoneTM This sensor enables to control the features of CoolSelect ZoneTM 2 Damper drive circuit 11 CIRCUIT DESCRIPTIONS 11 ...

Page 81: ...Dc12V 1 watt heater is mounted and activated continuously 1 Motor drive circuit 1 1 This refrigerator adopts a BLDC motor produces energy consumption Motors of the freezer refrigerator and the machine compartment are composed of the BLDC For RS2534 R fan is operated by AC 115V Motor 1 2 Voltages between high speed and low speed Note Under the conditions the fans will be operated in 2 options such ...

Page 82: ...r SSRs can control compressor refrigerator freezer defrost heater and several option functions 3 For compressor 18 pin of micro processor signals High 5V This signal inputs 5 pin of IC3 and 14 of output terminal which have base and collector functions of IC3 turns on and connects the GND Relay 73 will be grounded through 14 of IC Magnetic lines will generate so that the second side of RY73 is acti...

Page 83: ...83 11 CIRCUIT DESCRIPTIONS 4 The principles of other loads are the same as 3 item described Note SSR Solid State Relay is a kind of Relay COMP equivalence circuit of drive section ...

Page 84: ...assembled state when compared with the state before disassembly Check the surrounding conditions of the installed refrigerator When the refrigerator is located at humid or wet place or the installed state is unstable change the location If needed do the ground Especially if there is a possibility of the electric leakage this appliance must be properly grounded Do not allow consumers to use one out...

Page 85: ...tweenbothterminalsofcontact DC 12V Working Condition DC 0V Stop Condition DC 12V load working condition DC 0V load stop condition DC 12V load working condition DC 0V load stop condition 2 contact terminal Relay SSR Disconnect the connector of the main PCB CN70 and CN71 then check the follows 1 Measure the voltage at both terminals of a coil and determine if the relay is working 2 Measure the volta...

Page 86: ...ires short trouble Temperature fuse heater wires disconnection trouble Heater wires short trouble Heater wires and connector disconnection Coil wires short trouble Coil wires disconnection trouble Coil wires short trouble Coil wires disconnection trouble Coil wires short trouble Coil wires disconnection trouble Coil wires short trouble Coil wires disconnection trouble F DEFROST HEATER Unplug the p...

Page 87: ...he Main PCB 1 Check the voltage between no 1 terminal and no 2 terminal of CN30 2 If 5V is checked when the door is open it is normal 3 If 0V is checked when the door is closed it is normal If it is not check the door s w and electric wire connection Disconnect the connector from the Main PCB Then measure the resistance of the following sensors 1 ChecktheresistancetheFreezersensorcn30betweentheno ...

Page 88: ...0V Ground LEVEL Temp 12 2 14 0 15 8 17 6 19 4 21 2 23 0 24 8 26 6 28 4 30 2 32 0 33 8 35 6 37 4 39 2 41 0 42 8 44 6 46 4 48 2 50 0 51 8 53 6 55 4 57 2 59 0 60 8 62 6 64 4 66 2 Resistance 21 410 20 480 19 580 18 730 17 920 17 160 16 430 15 740 15 080 14 450 13 860 13 290 12 740 12 220 11 720 11 250 10 800 10 370 9 959 9 569 9 195 8 839 8 494 8 166 7 852 7 552 7 266 6 992 6 731 6 481 6 242 Voltage V...

Page 89: ... PX 41C 502AT PX 41C 502AT PX 41C 502AT PX 41C 502AT PX 41C CoolSelect ZoneTM MAIN PANEL Commonly used in ET PJT Main PCB ASS Y Main PCB ASS Y PANEL PCB ASS Y PANEL PCB ASS Y R DEFROST Sensor Ambient Temp Sensor F Temp Sensor F DEFROST Sensor R Temp Sensor CoolSelect ZoneTM Sensor CoolSelect ZoneTM PCB ASS Y FERRITE CORE LOCK TYPE NOISE FILTER NO CODE NO PART NAME SPECIFCATION Q TY 12 Safety Instr...

Page 90: ...gerator That makes refrigerator s temperature low quickly and save the power consumption Condensation can occur when you leave the door open for a long time Did you stop the ice making function Is there any ice in the storage unit Is the water pipe connected and the shut off valve open Is the freezer temperature too warm Did you wait for 12 hours after installation of the water supply line before ...

Page 91: ...ttom of the freezer clogged Cubes jammed in chute Supply line or shutoff valve is clogged Water filter clogged Dispenser is LOCKED Replace filter cartridge with new cartridge or with plug Check to see if package is holding door open See about the controls This is normal Turn on icemaker or water supply Remove cubes and move the feeler arm to the ON position Break up with fingertip pressure and dis...

Page 92: ...onics Co Ltd Refrigerator Division 2005 06 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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Samsung RS265 LABP, Service Manual

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