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Samsung SR-61KTC User's Manual

1. 7 CHILLED ROOM SHELF DID CASE oO C S Pull and apart display part of ZZ SNSSSS door guard n OY O SS e Upand apart _ Pull to the arrow direction as showed then up and apart at the locking point TEMPERRD GLASS TRAY VEGETABLE SALAD COVER AND CASE e Pull with both hands as showed e Upthe cover and apart then pull out the vegetable salad e The height can be adjusted according to the stored bowls compartment cover and case at the mid point and up and pull to apart 10 6 3 CYCLE OF FREEZING COMPRESSOR SUB CONDENSER CLUSTER PIPE HOT PIPE DRYER CAPILLARY TUBE EVAPORATOR OF REFRIGERATOR EVAPORATOR OF FREEZER ACCUMULATOR SUCTION PIPE COMPRESSOR SUCTION PIPE CLUSTER PIPE ACCUMULATOR EVAPORATOR A REFRIGERATOR EVAPORATOR OF FREEZER SUB CONDENSER HOT PIPE 11 1 DISPLAY DESIGN Multi surrounding system La Economic 3 Quick We VS ESE REF FRE Control REF Control REF Control QUI CK Night FRE Control QUI CK Economic 2 Temperature control function 1 Freezer temperatur control 1 1 It consists of five steps as follows and selected by one button MID MID HIGH NIGH LOW LOW MID There is standard temperatically list of each notch part 1 3H standard When inputting free
2. V T250 o 59 PekOmm e se el e a Mn IE lt Tmax KA78XXI Tun 40 C Tmx 125 C KA78XX Tun OC Tmx 1250 Load and line regulation are specified at constant junction temperature Changes in VO due to heating effects must be taken into account separately Pulse testing with low duty is used Output Voltage 74 ELECTRICAL CHARACTERISTICS KA7812 l Refer to test circuit Tun lt lt Tmax lo 500mA Vi 19V Ci 0 334F Co 0 1 F unless otherwise specified Tate Aste fasts 225 Vo 5 0mA lt 1 0A Po lt 15W V Vi 14 5V to 27V 11 4 12 12 6 Vi 15 5V to 27V 11 4 12 12 6 ern fofa lo omAto 1 5 11 1240 11 1240 Output Voltage safe e onos 01105 Quiescent Current Change V 145Vt030V 95 10 mA wa besma 3 3 mvc ge V fe Tease 76 e Ripple f 120Hz Rejection Vi 15V to 25V v beate 2 Short Circuit Curent le Tun lt lt Tmax KA78XXI 40 Twx 125 KA78XX Tun OC Tux 129C Load and line regulation are specified at constant junction temperature 55 71 55 71 BINNEN e m ma Nu Changes in Vo due to heating effects must be taken into account separately Pulse testing with low duty is used 75 13 2 RESET IC KA7533 3 3V VOLTAGE DETECTOR The KA7533 prevents error of system from
3. Pull the power plug out to exchange the interior lampof the refrigerator e If power doesn t ground it will cause breakdown and electric shock e It may cause electric shock QUII 0000000000 0000000000 25cm O00 2000000000 Oo 000000000000000000 oOoOoQoOoOoQoOoOoQoOo N Caution Do not put bottles or kinds of Do not store narrow and lengthy Do not store pharmaceutical glass in the freezer bottles or foods in a small multi products scientific materials purpose room etc in the refrigerator e Freezing of the contents may inflict a wound e It may hurt you when refrigerator door 9 The products which temperature control open and close should not be stored in the refrigerator ad 4 v ANA ip 2 Prohibition Prohibition Prohibition G Do not store articles on the When replacing electric On repair make sure that the wires Refrigeration comporents be sure to use rates such as harness are tightly comporents bundled Opening or closing the door may cause things to fall down wihch e Check the model rated voltage rated e Tghtly bundle wires in order not may inflict a wound current operating temperature etc of to be detached by the external the component force and to be wetted Prohibition On repair remove completely dustor After repair check the assembled Check the electrical parts for the
4. 22 OSOS 5 TEMP SENSING PART CN30 SMW250 08 WHT THERMISTOR EXT ROOM 1 Thermistor is used for sensing which has negative resistance coffiecient to the temperature R 302 4 6 8 12 C301 C306 are pares for preventing noise 2 MICOM input voltage Vf of sensor is Vf R hx x Vcc R301 Rth Rth sensor resistance 6 KEY SCAN AND DISPLAY PARTS KA2657 CN50 OEN SMW250 11 WHT Ce E L Se T e pe ae 5 5 A8 a EI 57 5 POWER EDIT POWER SAVING a POWER REFRIGERATING SW2 E CCE CO Mz d 3 LE Ww WS REFRIGERATOR ERE AFREEZER lt Shae Oo KHH lt HK qwe SENE odo Sw4 SETTING UP 8 8 8 pou Ld Nd ibi 10K 5 CEE 1 KEY SCAN and display operating Itis used for No 5 of MICoM NO 2 3 4 5 6 It operates high 10 msec periodically for 2 msec cycle MICOM pin No 2 3 4 5 6 This signal pass by IC 04 UDN 2981 or KID 65783AP from Input dot to Dotput dot Voltage of peak to peak is about 11V DC RMS 1 5V 23 OSOS 2msec 10msec V GRID 1 iu 11V GRID 2 B V e wl LEE V mu 7 COMP AND DEFROSTING HEATER OPERATING r F RED QC NC vo Q RY75 COMP RELAY RY71 COMP LED F DEFROSTING HEATER R DEFROSTING HEATER As it is seen above block diagram 220V line is con
5. OSOS Freezer 5 defrosting sensor failure START In MAIN PCB connection con30 O K Connection failure Is defrosting sensor O K Change sensor Is conection of defrosting sensor O K connection failure Is input vitg of CON30 PIN4 O K Change MAIN PCB ASS Y 39 OSOS 3 In case contiunous alarming REFRENCES F R door open alarms for ten seconds after 2 minutes later IF door opens continuously door open alarms for ten seconds with one minute cycle cten times of Ding Ding If there is moisture in door S W it is shorted and alarms due to the MICOM S misjudgement In this case the inside lamps of freezer and refrigerator turns off so the lamp do not turns on thaugh you open the door If the door S M is rusted the sighal of door open do not reach to MICOM and no alarms and lamps turhed off continuously D In case of continous Melody START Is the Door S W O K Y Change the Door S W Is MAIN PCB connection con72 O K Connection failure Does the ultg of con72 pln3 and AC220V change Change main PCB ass y Wire open change door S W 40 Oo O In case of Beep Beep alarming START Is forced operating fro sting selected Cancel forced oper defro Is it the same when power on again MAIN PCB O K PCB MAIN TEST S W SW1 lead touch check shorted other mat
6. REGULAR FREQUENCY 60Hz 50 60Hz 50Hz 60Hz 50 60Hz 50Hz REGULAR VOLTAGE AC 127V AC 220V AC 240V AC 127V AC 220V AC 240V ELECTRIC MOTOR REGULAR POWER SORT OF REFRIGERATOR OCCASSIONAL COOLING TYPE REFRIGERATOR COOLING MASS HFC 134a COOLING MASS SEALED QUANTITY 150 G FREEZER PERFORMANCE 4 STAR 2 Safety precautions and warnings xHRead all instructions before using this product and keep to the instructions in order to prevent danger or property damage Warning Caution Indicates that a Warni danger of death warning or serious injury exists Indicates that a risk of personal injury caution or material damage exists Description of symbols IN DICATES PROHIBITION D DO NOT DISASSEMBLE N DO NOT CONTANT 0 ADHERE THE INSTRUCTION STRICTLY ONPLUP FROM THE ELECTRICAL AVOLD EARTH THE APPLIANCE TO AVOID THE RISK OF AN ELECTRIC SHOCC N Warning Do not insert the power cables e May cause abnormal generation of heat or fire Do not Prohibition disassemble Check the operating environment Make sure of the earth e Deterioration of electric parts insulation may cause electric shock or fire Earth Do not disassemble to repair or alter Do not bend the power cable with excessive force or do not have the power cord pressed by heavy article e It may cause fire or abnormal operation which leads to injury e May cause fire
7. a SERVIC Manual ERES REFRIGERATOR Model SR 61KTC SR 61NMC SR 65KTC SR 65NMC SR 69NMC CONTENTS 1 Product Specifications 1 2 Safety Warning amp Caution 2 3 Electrical part specifications standard 4 A Fl ciiediagram esie desee dodi ds 6 5 Air Circulation route 9 7 6 Function Vsing Method 8 7 Temperature control other Functions 11 8 Circuit Operating theory 21 9 Failure diagnosis repairment 36 10 Dissembie Assemble drowing and part LIST 53 11 Disassemble amp Assemble Method 88 12 Packing I MEL E 04 13 Main componets specification 86 1 Product specifications e Classification by Capacity STANDARD 510 MODEL 550 MODEL 590 MODEL SR 61KTC SR 61MNC SR 65KTC SR 65NMC SR69 NMC TOTAL 514LT 554LT 589LT NET FREEZER 153LT 165LT 165LT CAPACITY 361LT 389LT 424LT NET DIMENSION 840 761 5 1755 5 840 761 5 1760 5 840 761 5 1810 5 840 761 5 1854 5 NET WEIGHT 96 KG 97 KG 98 KG ELECTRIC HEATING EQUIPMENT 388W 378W POWER e Classification by Electric power ITEM STANDARD SR 61KTC 65KTC SR 61NMC 65NMC 69NMC E AC127V 60Hz AC220V 50 60HZ AC240V 50HZ AC127V 60Hz AC220V 50 60HZ AC240V 50HZ
8. entrance Hot pipe entrance Rubber for Noise protector condenser entrance Compressor Rubber for Noise protector 68 11 8 Electric box assembly 1 Disconnect the power cord 2 Remove the cover of electrical box with insert driver 3 Assembly specification of electric box TEST S W EMI FILTER Condenser 69 TRANS POWER Condenser n AQ SONS NSS 7 FUSE V TEST SW 70 11 9 Electric box assembly 1 Disconnect the power cord 2 Remove the cover of electrical box with insert driver 3 Assembly specification of electric box 12 PACKING 5 D D TAPE W48X100 2EA E TAPE W48X100 6EA TAPE WA8X150 FOAM PE PACKING EXAMPLE OF FRONT SIDE AND BACK SIDE EXAMPLE OF PERFECT PACKING UPPER CUSHION 4EA FILAMENT TAPE W24XL2390 P E BAG 1EA TAPE W48XL300 2EA 1EA DOOR GAPEPS 2 ee eT mmm L
9. supply voltage below normal voltage level at the time the power on and instantane ous power off in systems m FEATURES e Detecting against error operations at the power ON OFF Resetting function for the low voltage microprocessor Checking low battery 1 Inpout 2 GND 3 Output m ORDERING INFORMATION Device Operating Temperature KA7533Z TO 92 30 475 BLOCK DIAGRAM e Vcc CINPUT 76 m ABSOLUTE MAXIMUM RATING 1 259 nv Operating Temperature Storage Temperature Power Dissipation Detecting Voltage Temperature Coefficient m ELECTRICAL CHARACTERISTICS 1 25 Ri Detecting Voltage AVoet AT 200 Q Temperature Coefficient Circuit Current at on time Vcc Voermny 0 05V Threshold Operating Voltage Ri 200 2 Vo x 0 4V L Transmission Delay Time 1 0 K 100pF Transmission Delay Time Ri 1 0 K 100pF OL T Output Current at on time Vcc 0 05V Tc 25 C Output Current at on time T Vcc Voermny 0 05V Tc 30 75 ELE NM OmaitCument tof me lew S NN meu m UDN2982 84LW 1 1 UDN2981 84A ee B BA VVVVVVVV E Je O Z Pi 4 Dwg No A 10 243 ABSOLUTE MAX
10. 11 12 15 18 24V Thermal Overload Protection Short Circuit Protection e Output Transistor SOA Protection m BLOCK DIAGRAM CURRENT GENERATOR STARTING REFERENCE CIRCUIT VOLTAGE 1 Input 2 GND 3 Output m ORDERING INFORMATION Operating Temperature KA78XX TO 220 0 125 C KA78XXAITO 220 KA78XXl TO 220 40 125 C SERIES OUTPUT PASS O ELEMENT 3 SOA PROTECTION AMPLIFIER _ ABSOLUTE MAXIMUM RATINGS Ta 25 unless otherwise specified Characteristic um Input Voltage for Vo 5V to 18V for Vo 24V Thermal Resistance Junction Cases Thermal Resistance Juncion Nr Resistance Junction Air SNR Junction Temperature Range KA78XX A Torr 0 4125 KA78XXI 40 125 Storage Temperature Range 65 150 E ELECTRICAL CHARACTERISTICS KA 7805 I Refer to test circuit Tun lt lt Tmax lo 500mA Vi 10V Ci 0 33 uF Co 0 1 F unless otherwise specified KA78051 KA7805 Characteristic Symbol Test Conditions ME e Vo 5 0mA lt 1 0A lt 15W V Vi 7V to 20V 4 75 5 0 5 25 Vi 8V to 20V 4 75 5 0 5 25 Vi 7Vto25V 40 100 40 100 ees p 05mAio15A 9 100 9 10 C NN lo 5mAto1 0A 0905 0 0805 Quiescent Current Change to 9818 mA esma fos 08 vo Output Nae Vola Pres xenemc e e a e Rejection 8 to 18V Dropout Vote
11. Change pertinet RELAY 2 Check contacted Y Y BE 36 OSOS 2 Self diagnosis failure D Outer temper ature sensor failure l Is main PCB connection O K Connection failure SHORT Is outertemp sensor O K Change temp sensor change PCB MAIN Is input vitg of MICOM PIN 58 O K n PCB and temp sensor O K Reconfirm outertemp sensor inferior Refrigerator temp sensor failure Check Main PCB Is temp sensor O K change sensor Is MAIN PCB Connection con30 O K Connection failune Re connection Is input vitg of MAIN PCB con30 pin2 O K Cheak connected sensor wire Is input vltg of MICOM pin 60 O K PCB and temp sensor O K Reconfirm connector inferior Cheak short and iced lead 37 SOS 3 Refrigerator s defrosting sensor failure START Is MAIN PCB connection con30 O K Connection failure Is defrosting sensor O K Change sensor Is connection of defrosting sensor O K Connection failure Is input vitg of O K Change MAIN PCB ASS Y Freezer tem sensor failare START Is MAIN PCB connection con30 O K Connection failure Is temp sensor O K Change sensor Is connection of temp sensor O K Connection failure Is input vitg of CONSOPIN80 O K Change MAIN PCB ASS Y 38
12. IN WIRE HARNESS ROTART gt SCREW TAPPING 5 jan COVER EVAP FR ASSY se ASS CAP SCREW aF Se Pome SEAL DUCGREAR d Ss COVERLAMP au ae EN ET SPACERDUGA d SHELFREF UP Sis EM so N amp CAP SCREW c RAILCHILROOML EN Ns N bj Pd COVER DUG ASSY GROMMETRAL 6 pa 5 S 7 CASE VEG L SCREW MACHINE E 4 RALL CHIL RBM R N N N N S rd SHELF REF UPP ASSY FIXER ROLLER id ROLLER FRE e CASE VEG R CASE VEG ASSY L RAIL VEG MID 2 FIXER ROLLER ROLLER FRE TRAY CHILLED ROOM CASE VEG ASSY R SHELF REF ASSY COVER VEG ASSY S 10 5 Related Components of CABI amp UNIT R 61KTC SR 65KTQ V SCREW TAPPING COVWE PCB PANEL 7m 0 0 TRANSE DC CASE PCB PANEL ASSY CABI FOAM SHIN HINGE SCREW TAPPING CAP SCREW SWITCH DOOR REINF CASTER CY CASTER FRONT Gf Md SCREW FRONT COVER LEG FRONT SCREW TAP TITE FOOT ASSY 58 SCREW TAPPING y CORE FERRITE GROMMET SUB COND SCREW TAPPING ABSORBER COMP TUBE PVC PIPE SUB COND ASSY AD E CET 1 Wace B 7 COZ SoH COVER COMP ap C THA ia r t x Uu XA PIPE CONNEG COVER COMP ASSY BOMPONMOTOR PING BUMPON MOTOR QU MOTOR FAN 6 GROMMET MOTOR
13. Pd HANDLEFRE ASSY HANDLE TRIM FRE E e I cf STOPPER DOOR FRE ua BUTTON LWES STOPPER DOOR E COMEDSUAY cos BUTTON UPP R SCREW HANDLE Anm BUTTONLOWR Fa c s GUARD EGG LIN CASE DISPLAY ASSY 29 E CASEDLSPLAY ASSY gt SCREW TAPPING 0 4 TRAY EGG cL 2 SS XS ASSY DOOR FOAM REF SCREW MACHINE REINF HANDLE REF SWITCH DOOR BUTTON GUARD EGG HANDLE TRIM REF UPP EN g CASE DID UTILTYA CASE DID UTILITY B SCREW TAPPING GROMMETGUARD GUARD VARIETY lt GUARD DID po lur COVER DID UTILITY d e CASE DIDUTILTY ASSY HANDLE REF ASSY SHAFT HINGE DID LOW SCREW MACHINE HANDLE TRIM REF LOW 2 _ SCREW TAPPING CAP SCREW FIXER HANDLE DID LOW a Tes HOME BAR DOOR FOAM FIXER HANDLE DID UP HANDLE DID a a HOM BAR DOOR ASSY a SCREW MACHINE 60 11 DISASSEMBLE amp ASSEMBLE METHOD TURN OFF POWER OF REFRIGERATOR 1 Disassemble lathch the top 7 Disassemble fixed pivot to cover of refrigerator arrow direction with catch the door 2 Disassemble fixed screw with driver 8 Up door to arrow disassemble through the side of door s fixed arrow direction th
14. R716 and it is knew to MOTOR RPM wirw 4 D Operated condition to MOTOR is received wire sign to MICOM 8PORT but if it isn t regular wire FAN is stopped and operate again after 5minutes x When power refrigerate and forced operation always operated HIGH RPM without temp of freezer 1 3 COMP FAN MOTOR A If refrigerator s power is confimated check the operated condition F R FAN and F R FAN is HIGH RPM is operated HIGH RPM to sign of MICOM 20PORT After arrived F R FAN OFF if FAN is OFF and seperate function of ON OFF isn t confimated always operated LOW RPM B HIGH RPM is determinated the resistance of R711 LOW RPM is determinated the resistance of R711 R729 C When check RPM check the wire to resistance of R717 and it is knew to MOTOR RPM wire 4 D Operated condition to MOTOR is received wire sign to MICOM 9PORT but if it isn t regular wire FAN is stopped and operate again after 10minutes E COMP FAN is always HIGH RPM if itis HIGH RPM x When power freeze and refrigerate forced operation always operated HIGH RPM 26 OSOS 9 POTION PART P54 P53 R606 p50 er P50 49 DIODE OPTION 1 PRINCIPIE OF MAVEMENT Like the GRID waves appear in initial POWER ON is reaeved through SWITCHING DIODE and OPION is judged for MATRIX method NAME STANDARD REMARK R CARBON 10Kohm J 1 4 R CARBON 1Kohm J 1 4 x when OPTION Changed power turns off after chan
15. W B spe PNK 4 2 SEMI BASIC SR 61NMC 65NMC 69NMC MAIN PC F ROOM SENSOR o QA R ROOM SENSOR js Room senson F EVAP SENSOR 5 AAA FREEZER FAN MOTOR VEL alles FREEZER FAN MOTOR REFRIGERATOR LAMP AER FREEZER LAMP 2 COMP RELAY O COMPRTSSOR COOLER MOTOR F DEFROST NEATER R ROOM TEMP CONTROL BRN RED F ERM FUSE RED WHT R DEFROST NEATER pep 5 Cool Air Circulation 1929911 197991 Jo SUII00D Jo 1910009 101819811 911018 19911191 Jo 1 10589141 109 jo 1929914 j1ed ay 10 0S8 91948 959 101819 5 1 19 1 6 FUNCTIONS AND DIRECTIONS 6 1 THE OUTER SIZE SR 61KTC 617 5 SR 61NMC 617 5 SR 65KTC NMC 1096 5 761 5 617 5 1479 SR 69NMC 1140 5 761 5 617 5 1479 6 2 THE NAME OF EACH PARTS AND DISASSEMBLE METHOD FREEZER SHELF DOOR GUARD e Up the front of shelf to direction D then pull and e Push to direction apart to direction 7 3 D I mm
16. pum ur Lm seem s vm um s wm ae o m ue s u a sem sue o ren zm m e ve e s wr e sm me o we pim a Due uw p e pue pue paw ene 5 pep uw e puo 18 7 2 SEMI ELECTRONIC MODE A Temperature control part design Freezer temperature control refrigerator temperature control TEMP FRE TEMP REF B Temperature control function 1 Tempera ture choice of freezer You can choose to From D Follows are control temperature by KNOB position control temperature 2 Temperature choice of refrigerator You can choose to 9 From D Follows are control temperature by KNOB position KNOB position control temperature 5 0 NOTE Temperature contol of freezer and refrigerator is position control by ROTRAY S W if it get out of position it control NOTCH C Defrost function 1 Defrost set up by time of COMP ON 2 Defrost tun Heating Rest time 3 When initial power on initial defrost run defrost of freezer and refriger ator in 4 hours of COMP ON Since initial R R F gt R R F Cycle operating 4 ON OFF of defrost heater control by EVA SENSOR If EVA SENSOR is problem short 10 pen it run just rest time and then finishes defrost function without heating 5 During defrosting it maintain COMP and FAN state and after finish defrost heating rest time is 10 minutes 6 Follows are defrost heating ON point and OFF point that operate by EVA SENSOR REFRIGERATOR FREEZER
17. 0 d 0 8 VoLd 4021 3H 330 3 TEE 8 ONO Q TY Coot LHM AW60 98EMA amp LNO 72 pus 1809 JON le oo GLAU 3 ORIY Sz IORIN U HA D AA Li rw erst eae DEL 979 ti D s Nv ONNOBES F O BIeRIY 3 gt m T E ew LSNIA 6 ONO O 00 O OQ cic aes D REE GSU AWB0 SBEMA LIND i V ER A i LHM AVEO O66 M 240 1S oS H YX Io poi 2025 po 7A es A N A gd 100Z VC AOGE 4 Asn dod NIVIN 39 5155 19 Main Components Specifacations 13 1 REGULATOR 3 TERMINAL 1A POSITIVE VOLTAGE REGULATORS The KA78XX series of three terminal positive regulators are available in the TO 220 package and with several fixed output voltages making them useful in a wide range of applications Each type employs internal current limiting thermal shut down and safe area protection making it essentially indestructible If adequate heat sinking is provided they can deliver over 1A output current Although designed primarily as fixed voltage regulators these devices can be used with external components to obtain adjustable voltages and currents m FEATURES e Output Current up to 1A Output Voltages of 5 6 8 9 10
18. 20V 50 60Hz 230 240V 50Hz F SENSOR 502 AT R SENSOR SENSOR IDEE SENSOR i R DEF SENSOR DRAIN HEATER 13W 110V 13W 127V 13W 220V 13W 240V F DEF HEATER 235W 220V 235W 127V 235W 220V 235W 240V pen R DEF HEATER 120W 110V 120W 127V 120W 220V 120W 240V DID HEATER 10W 110V 10W 127V 10W 220V 10W 240V F DEF FUSE 250V 10A 72 4 C R DEF FUSE 250V 10A 72 4 C CONDENSER OPERATION 12uF 250VAC 5uF 350VAC SEN ERAS MODEL J531QE100M2002 J531034E100M350 2 J531Q35E330M385 2 START RDMNG VASE BRIONNCTNS MADEL 4TM437RHBYY 53 4TM314RHBYY 53 4TM265RHBYY 53 O L PROTELTOR INTE a Em 69 ett OFF TEM 130 1250 1900 1900 DC TRANS SR 61 65 69NMC 115V 50 60Hz 127V50 60Hz 220V 50 60Hz 240V 50 60Hz SR 61 65 69NMC 110V 60Hz 127V 60Hz 220V 50 60Hz 240V 50Hz 12V DC BLDC SENSORLESS SR 61 65 69NMC 110V 60Hz 127 60Hz 220V50 60Hz 230 240 50Hz R COOLER FAN MOTOR SR 61 65KTC 12V DC BLDC SENSORLESS SR 61 65 69NMC 110V 60Hz 127V 60Hz 220V 50 60Hz 230 240v 50Hz EN MG o SETS TIT 12V DC BLDC SENSORLESS F LAMP 110 130 15W 240V 15W R LAMP 130V 30W 240V 25W DID DOOR S W SR 61 65KTC 250V 0 7A DOOR S W 250V 0 7A Power cord EP 2127V 7A SPT 3 125V 7A VCP 2 250V 10A BF 3 250V 10A 4 Electric diagram 4 1 Electronic mode SR 61KTC 65KTCT EMI F ROOM SE FILTER EARTHED R EVAP SENSOR T I CIRCUIT 5 are BLK R FAN BLDC MOTOR ipm HEATER DID peal S W
19. 3 resistance and recognited temp control and it become SETTING to temp contol Voltage or resistance charge of MAIN PCB MICOM input for SUB PCB Ass s ROTARY S W cross spot direction is same the below When Measure the resistance charge connector of MAIN PCB CN 30 is separated and measure the connector terminal ISTEP 2STEP 3STEP 4STEP 5STEP 6STEP OPIN SPIN rpN 6pN BPN dpPN GPN epN THEOPENSPOT R504 015V 015v o15v 015V 015V 015V 015V 015V Resistance 6 54K0 5 66K 476RK 3984 2910 1 96K 099K 02 100K 1 CN380 1 1 1 1 1 1 1 x To upside when measure the resistance charge isn t appeared the resistance in the case SUB PCB ASSY connection is disconnection or crack situation of PCB board 30 SOS B REFRIGERATOR TEMP SUB PCB ASSY CNO1 SMAW250 04WHT SMW250 09WHT 05 10KQ ROTARY S W l R901 DI 9 d C 2 dd DC5V O R902 M R502 1ko F R903 R904 R905 R906 x CAUTION It is appeared the S W cross spot of ROTARY S Weircuit D Temp control is changed KNOB of contructed ROTARY S W in the refrigerator and it is possible the temp control 1 step to 8 step Temp control SETTING become partial pressure for R502 resistance and ROTARY S W resistance Row composition resistance of resistance charge to R908 and ROTARY S W direction And partical pres
20. 65KTC COVERLAMP FRE LAMP INCANDESENT THERMO FUSE ASSY 5 SCREW TAPPING gt COVERMOTOR _ S E WREHARNESSMOTOR COVERMOTOR P nd EN ANZ BMPREEASSY 77 2 7 GROMMETMOTOR 27 7 COVER EVAP REAR 5 RO FAN SIROCO x MOTOR FAN wd gt SPRING D a CATALYSTLTC N COVER PURIFIER N N CAPSCREW SCREW TAPPING NO COVER EVAP FRONT Nx a _ SCREW TAPPING COVER EVAP FR ASSY m od N N N S xs COVER LAMP P SPAOERDUGTA SEAL DUCGREAR COVER DUCT REF P a e g lt N RAL CHIL ROOM CAP SCREW N N E m L P GROMMET RAIL s E o COVER DUCTASSY CASE VEG L N SCREW MACHINE N N N p m SHELF REF UPPASSY p CASE VEG R ROLLER FRE as CASE VEG ASSY L Wh RAIL VEG MID TRAY CHILLED ROOM A FIXER ROLLER ROLLER FRE CASE VEG ASSY R SHELF REF ASSY COVER VEG ASSY 4 10 4 Refrigerator Compartment SR 61NMC 65NMC 69NMC COVER LAMP FRE Se LAMP INCANDESENT THERMO FUSE ASSY A SCREW TAPPING N _ 27 SCREW TAPPING f L 277 COVERMOTOR P N _ gt TOVEREVAP REAR JS T d d N e FAN SIROCO p M MOT nee SPACER COVER EC SLA 9 DIR PBAPANEL Su KNOBOTEMP CONTROL R cATALYSTELTC 0 D E x COVER PURIFIER x
21. B Is 5V the IC3 KA2657 16 singval Y Check ssr SSR71 Change MAIN PCB ASSY IC3 KA2657 Failure 49 OSOS B In case of R FAN do not run D Check START Select Forced operation Y Forced operation FAN is operating condition to ROTR S W or SENSOR Reference checked ROTARY S W and changed set up Change DOOR S W Re connection CON70 Change lead and MICOM chang PCB IC3 KA2657 Failure Chesk ssr 55 12 change MAIN PCB ASSY 90 Ooo OSOS 2 Check ROTARY S W Is proper the retrigerator s PED i regulator Regulate temp regulator Change temp regulator N Is ROTARY S W vltg and resistance of MAIN PCB 0 K Fix connect part and wire N Change refrigerator 5 sensol Fix MAIN PCB ASSY and COMP connector 5 4 Badress management of freeze cycle Appearance Cause Caun termeasure EVAP is cold and warm COND is warm when EVAP Interruption for is cold moisture Iced This movement is reply Other material is infiltrated and cooling Check interrupt section and cycles is interrupted repairs Cond is cold EVAP isn t cold Comprssor temp is high SUCTION PIPE is same the DISCHARGE PIPE Badness the EVAP doesn t cold COND is same Change compressor the nomal tempe
22. FAN doesn t run Run the DC voltage Is it forced operation Forced operation Does it run Imin after the door S W pressed F FAN O K Is confivcate AC 220V of the MAIN PCB connection CN72 PIN 1 3 Re connection CON72 Check wire Does the door S W works norks nomally Is 5V vitg MAIN PCB MICOM PIN27 Has vltg the MAIN PCB connection CN70 pin 2 12V or 9V Check CON70 Connection Check the MOTOR Has wave the MAIN PCB connection CN70 pin 5 Check MOTOR Change MOTOR Check IC 06 KA324 Change MAin PCB 43 SOS In case of R fan doesn t run Run the DC voltage Reference BLDC MOTOR run circuit Is it forced operation Forced operation Does it run Imin after the door S W pressed Is confivcate AC 220V of the MAI PCB connection CN72 PIN 1 3 Does the door S W works norks nomally Is 5V vitg MAIN PCB MICOM PIN27 Has vltg the MAIN PCB connection CN70 pin 2 12V or 9V Check CON70 Connection Check the MOTOR Has wave the MAIN PCB connection CN70 pin5 Check MOTOR Change MOTOR Check IC 06 KA324 Change MAin PCB 44 a 3 In case of COMP FAN doesn t run run the DC voltage Reference the BLDC MOTOR run circuit START Is it forced operation Forced operation Has vltg the MAIN PCB connectionPIN3 of CN70 12V or 9V Y Check CON70 connection check the
23. IM UM RATINGS at 25 Free Air Temperature Output Voltage Range UDN2981A UDN2982A LW UDN2983A amp UDN2984A LW Input Voltage Vin UDN2981A UDN2983A 15V UDN2982A LW amp UDN2984A LW Output Current lour Package Power Dissipation Pp See Graph Operating Temperature Range n 20 to 85 Storage Temperature Range 55 to 190 5 V to 50 V 35V to 80 V Note that the ULN2000A Series dual in line package and ULN2000L series small outline IC package are electrically identical and share a common pin number assignment 8 CHANNEL SOURCE DIRVERS Recommended for high side switching applications that benefit from separate logic and load grounds these devices encompass load supply voltages to 80 V and output currents to 500mA The UDN2981A through UDN2984A LW 8 channel source drivers are useful for interfacing between low level logic and high current loads Typical loads include relays solenoids lamps stepper and or servo motors print hammers and LEDS All devices may be used with 5 V logic systems TTL Schottky TTL DTL and 5 V CMOS The UDN2981A and UDN2982A LW are interchangeable will withstand a maximum output OFF voltage of 50 V and operateto a minimum of 5 V the UDN2983A and UDN2984A LW drivers are interchangeable will whthstand an output voltage of 80 V and operate to a minimum of 35 V All devices in this series integrate input current limiting resistors and output
24. MOTOR Has qave length the MAIN PCB connection pin7 tof CN70 Check the MOTOR Chang the MOTOR Check IC 06 KA 324 Change MAIN PCB 45 9 Diagnosis of disorder and method of repair 2 SENMI electronic mode SR 61NMC 65NMC 1 When not operating Power Is power voltage output between MAIN N PCB of CN 70 and PINI of CN 71 Y Repair POWER CORD and electric cord N Is TRANS secord side voltage of MAIN PCB normal Y Exchange DC TRANS N y Exchange FUSE N 5 iced lead near MAIN PCB soldering and SHORT phenomenon Repair iced iead Y N Is defrst relay and comp relay during operating TEST S W of NAIN PCB normal Y Repair PCB Exchange MAIN ASSY 46 SOS 2 Self diagnosis failure A Freezer s temp sensor failure START Is freezer s temp sensor O K change temp senser Connection failure Re connection Check connected sensorwire Is input vltg of MICOM pinll O K Y PCB and temp sensor O K Ckeck connection Charge MAIN PCB B Refrigerator s temp senser failure Check short and iced lead change temp senser Connection failure Re connection Check connected sensorwire Check short and iced lead PCB and temp sensor O K Ckeck connection Charge MAIN PCB 47 C Freezer 5 defrosting sensor fai
25. ON i uP FIXER MOTOR CIRCUIT D e WIRE HARNESS N FANSIROCCO SX DRYER ASSY SCOEW TAPPING TRAY DIWATER PIPE CONNEG ASSY COMPRESSOR CLAMP COMP DROMMET COMP PTL RELAY COVER RELAY CHASSIS COMP OS SCREICTAP TITE E a OS CASTEROREAR CHASSIC COMP ASSY 10 6 Related Components CABI amp UNIT SR 61NMC SR 65NMC 69NMC SCREW TAPPING lt SCREW TAPPING COVWE PCB PANEL p gem SCREW TAPPING ABSORBER COMP CASE PcB PANEL MAIN TUBE PVC ASSY CABI FOAM PIPE SUB d ASSY COVER HINGE UPP FIXER HINGE UPP Te SHNHINGE Lo PIP CONNEG GROMMET SUB COND COVER COMP ASSY MOTOR CIRCUIT FAN SIROCCO Cy SPRING FAN SCREW TAPPING SCREW TAPPING CAP SCREW CD CD JI m oH gt B Q DRYER ASSY SHIM HINGE MID PIPE CONNEG ASSY TRAY D WATER ASSY a COMPRESSOR CLAMP COMP HINGE MID WASHER SCREW SPECIAL V DROMMET COMP HINGE LOW P PTL RELAY Ij O L PROTELTOR CD COVER RELAY COVER LEG FR SCREW TAP TITE FOOT ASSY RIVET SCREW TAP 7 CASTEROREAR CHASSIC COMP ASSY 59 10 7 Related Components of DOOR HANDLE FRE ASSY DOOR FRE REINF HANDLE FRE SCREW TAPPING SCREW MACHINE
26. OWER CUSHION LEFT RIGHT CORRUGATED CARDBOARD BOX PAD CABINET T10x1950xl400 7 OUVIAGHOS INVWOVIO ovA3aHoS NAVd9y0 OLLWWSHOS HOLSINVEL dO 30014 909 v0 3 YOLSINYSHL YOLOW 96018 O O H9 YOSNESU 2 C 1 6 BOONES ON Dr He ow O UOSNES dvd O O Oen M L LD SS 1082 T3 8 8 8 C3 058 LHM 80 0S2MMWS ONO 90A 144 9H GOL 3119 n eS eus OZY 3 30 IZ ww GLY oon NS T lt r yall MOLT Ion P ee 6024 4x0 b qu is Y Ww LI 2zydl iH T KN Wie EOLO IHME TNI yo VY COL gt PX Ottdll T D d PUES S C87 WNL TAN NL 005 TBA LO OS2ZMWS OLNO NUR edil TEX TENT ES vou YY JON Nolldo 1534 Too 1dO o Uzng TOVN i am ds AN AY Tenet Ine ONO pem c 059 Topp luo bt GO t way TANVd i cui C LHM 11 08 MINS OSNO 6909 809 T TAAA 1 w m I ZLY mal vol 8043T 10 3 Que DD 9 D H 490 4 Mv 3H 230 89 32 64 LO0VNr Z007NL MI 001 9
27. R EVA and F EVA sensor is all below 15C And R defrosting HEATER and F defrosting HEATER is perform per 0 5 second turn on 5 After early state R EVA sensor temp or F EVA sensor is over 15 C and F R defrosting is end per 3 second COMP and F FAN R FAN is turn on per 0 5 second and operated per 5 minutes without temp condition 6 Input TEST S W among 4 and 5 movemen 5 it is the end and perform TEST function 14 SOS 5 SELF DIAGNOSIS 1 SELF DIAGNOSIS AT FIRST POWER ON 1 1 As the power applied to the refrigerator first time all dispays show operating and run the self diagnosis 1 2 If no problem foundes display returns to normal mode 1 3 If probiem foundes on and off the related display lamp and start alarming 1 4 Lamp displayed until the problem solved or seif diagnosis cancelled 1 5 After problem solved the display mode return to nomal 1 6 After refrigerator repaired sure to power off and on to run self diagnosis 1 7 Refer to belows for problem and related displays DISPLAY LED SYMPTOM REMARK Refrigerator Refrigerator sensor housing disconnection R SENSOR temperature is over LOW Faulty connection 50 C or below 50 C Wire open or short Faulty sensor RD SENSOR Refrigerator defrost sensor housing RD SENSOR temperature is over disconnection Refrigerator MID Faulty connection 50C or below 50 C Wire open or short Faulty sensor ROOM TEMP Room Temp senser LEAD disconnectio
28. REMARK HEATER ON dot BEIOW 10 C BEIOW 5 C HEATER OFF dot 19 NEENENEEMMEMMEMEUSKOSSES D TEST FUNCTION gt TEST function is function for test SVC and fair test of PCB and product gt TEST S W choose and confirm function of product and then POWER ON to run self diagnosis 1 FORCED OPERATING FUNCTION e Pressed once TEST S W on MAIN PCB If so COMP and F FAN run at once Thus be careful because occur COMP over load Refrigerator FAN control ON OFF by temperature e Since it set up forced operating function it always run COMP and F FAN and display lamp on MAIN PCB with ON OFF 0 1 second periodically Refrigerator FAN control ON OFF by temperature e In 24 hours forced operating function of freezer and refrigerator operate and finish then run normal mode by KNOB position of temperature setting up e During forced operating function if you want to stop it first power OFF and then power on or choose TEST cancellation mode 2 Forced defrost function e For forced operating pressed once TEST S W button it cancel forced operating at once and refrigerator forced defrst function with display forced defrost position ON OFF lamp on MAIN PCB 0 5 secoonds periodically If press one more TEST S W bueeon display refrigerator and freezer defrosting e f forced defrost choose COMP and FAN power OFF and defrost heater on at once At this time if sensing temperature of EVA SENSOR over 12 C defost heater power off and operate rest time no
29. RING S FAN AND F FAN OPERATION REFRIGERATOR DEFROST HEATER REFRIGERATOR MID RELEVANT LED ON DURING REFRIGERATOR DEFROST MODE DISPLAY INITIAL MODE POWER FREEZER RELEVANT LED ON QITH INITIAL POWER INPUT OVERLOAD POWER REFRGERATOR RELEVANT LED ON QHEN ROOM TEMP IS OVER 35 C LOW TEMP MODE POWER SAVING RELEVANT LED ON QHEN ROOM TEMP IS BELOW 15 C LOAD STATUS DISPIAY TABLE 16 JE 7 operating of fan motor 1 FAN MOTORoperates BLDC MOTOR by dc power 2 After first starting power it operates HIGH rpm to off dot of fan and then operates LOW rom 3 if binding motor or not sensing regular freguency of motor to pcb motor will stop operating After stopping reoerating start in 10 seconds x F R C FAN operate equal 8 OPTION TABLE 1 Temperature change TABLE of Freezer Pertinent DIODE SHIFT STANDARD TEMPERATURE 0 5 SHIFT STANDARD TEMPERATURE 17 R x Personal Informatin Micomport Voltage and Resisting force of sensor by Temperature TEMPERATURE C RESISTANCE VOLTAGE V TEMPERATURE C RESISTANCE TEMPERATURE C RESISTANCE VOLTAGE V TEVPERATURE C RESISTANCE VOLTAGE Le em su om om e meom mem n Le rem ss mem amr e sm ems w m ver Le rem ae u amm sm s ows 208 se om 1108 Ce sm am mw em a
30. a a oe a ee s we ww e ee ie e m xm pum a m sm m ww e e ao uw Lm pem xm s rem m sm um w me m se sms o we zw amp vw e e vum s mese wm mmm pup ve e pee pm 34 ABOUT CIRCUIT LINK LIST CODE NO Quantty Remar DA32 10109A 502AT i Applicating DA41 00053A MAIN PCB ASSY AC220V 50 60Hz 1 SEMI DID HEATE DA41 00012A SUB PCB ASSY DA26 30116A DC TRANS AC220V 50 60Hz E 35 9 Diagnosis of disorder and method of repair 1 ELECTRICAL SR 61KTC 65KTC Preliminary examamination 1 Check the power of consent and power code 2 Check it based on the References on the next pages 1 No input Power START Ohiy aline AC 220V FUSE POWER CARD connection Change main fuse Is confimate 220V the CN10 both sides Check the eletric wire Y construction Only a line FUSE of MAINPCB Change fuse 250V 2A Is confimate 300V the BD 1 Caution Change PCB PATTERN MAIN PCB power part is Y and change BD1 appesred high pressure Is confimate DC5 8Vthe the TOP S W 223Y among C S Y Change PCBASSY Z Is confimate 12v the both C104sides to Y Change D102 D10SC9M Is confimate 5v the both sides to c103 Change Reg1 7805 Is PANEL PCB O K LEAD WIRE CABI DOOR Cooent to the upside 1 Check assembly line and repair 2 Change parel PCB 1
31. ain Ei Gain R705 R704 R704 Ei R703 R701 R703 Vcc 20K 10K 10K 10K 820 10K 4 4 3 4 07 VL 4 07 3 12 24 Change it for resistance error 1 1 FANMOTOR in the freezer F FAN A If refrigerator s power is confimated check the temp of F FAN and temp more than F FAN on is operated HIGH RPM to sign of MICOM 13 PORT After arrived FAN OFF if FAN is OFF and separate function of ON OFF isn t confimated always NICOM 12 PORT is confimate sign and operated LOW RPM B HIGH RPM is determinated the resistance of R701 LOW RPM is determinated the resistance of R702 C When check RPM check the wire to resistance of R715 and it is knew to MOTOR RPM wire 4 D Operated condition to Motor is received wire sign to MICOM 7 PORT but if it isn t regular wire FAN is stopped and operate again after 5 minutes x When power freeze and forced operation always operated HIGH RPM without temp of freezer 24 SOS 1 2 MOTOR IN THE FREEZER R FAN A If refrigerator s power is confimated check the temp of R FAN and temp more than R FAN ON is operated HIGH RPM to sign of MICOM 11PORT After arrived FANOFF if FAN is OFF and separatre function of ON OFF isn t confimated always MICOM 10PORT is confimate sign and operated LOW RPM B HIGH RPM is determinated the resistance of R706 LOW RPM is determinated the resistance of R707 C When check RPM check the the wire to resistance of
32. e with 3 Disassemble fixed volt in door with six angles tool EN SS 4 Disassemble door to arrow direction ut 5 Disassemble latcl the beiow 6 Open protected of door wire covwe of refrigerator to arrow connector to arrow disassemble direction housing and wire in the cilp 6 11 2 Replacement of freezer in door lamp 1 Remove the back cover lamp and then in door lamp 2 Fix the cover of in door lamp SH 61KTC SR 61 65 69NMC 11 3 Replacement of refrigerator in door lamp 1 Remove a screw from cover and disassemble the cover like example 2 After replacing the indoor lamp assemble the back latch of cover and then fia screw 62 11 4 Disassemble of refrigerator cooling part 1 Push the cold storage and remove it 2 Remove foods and shelves inside the Refrigerator 3 Push the cover of vegetable fruit room and box and pull it out 4 disassemble the cap with driver and remove the 2 screws with driver 5 Push top of the cover in cooling part and remove the locking point of lower step 63 Ooo OSOS 6 Disassemble the wire housing of electric assembly in the left 7 Remove 3 screws of pull appart and disassemble it 8 Pull the insulating material and disassemble the electric housing 9 Remove screws of eva
33. erial REFRENCES There is on beep beep alarming except the forced operating frosting or sensing troble during self diagnosis If self diagnosis sensed troble it is displayed on the PANEL PCB so easy to check If not the forced operating frosting is selected the NOTCH status are High Mid High at that time 3 In case of no PANEL PCB display START Is the connection of COVER O K Connection failure Re connectin Is PANEL PCB connection O K CHANGE PANEL PCB Re connection connection failure 4 In case of the panel PCB Key selection is impossible START Is the connection of cover O K Re connection connection failure Re connection Re connection connectionfailure Is MAIN PCB commection CONS50 O K Are there any keys already predded Change PANEL PCB 4 n case of FAN do not run REFRENCES Be sure to check cooling FAN under forced operation 1 F FAN R FAN and COMP COOLING are off when COMP is off Re assemble PANEL COVER 2 Though the comp is on the R FAN is not always on because the FAN is off when the tem perature was reached to the set point 3 There is delaying time to run the fan after door open COMP ON state thedelay time varys from ten seconds to one minute Forced operation included 4 When closed MOTOR it is stop state After stopped it is ON OFF at ten minutes 42 SOS D In case of F
34. f error display gt When problem R ROOM SENSOR display lamp operating 0 3 seconds ON OFF Four times 2 seconds OFF REPEAT When problem R ROOM SENSOR and F ROOM sensor at the same time display method 0 3 seconds ON OFF Three times 2 seconds OFF REPEAT x Tem perature contre control operating by ROTRAY SWITCH DEN INITIAL SEIF DIAGNOSIS OFF ON OPERATING OPEN ERROR STOP ERROR DISPLAY OPERATING OPERATING BEFORE OPEN STEP SHORT ERROR HIGH HIGH SECTION MD OPERATING BEFORE SETTING UP STEP F Quick heating operating 1 If freezer heating sensor OPEN SHORT error at freezer heating it runs just rest time without heating 2 If refrigerator heating sensor OPEN SHORT error at refrigerator heating it runs jest time without heating 2 8 1 ELECTRONIC MODE 8 CIRCUIT OPERATING THEORY 1 Power suooly part D10SC9M D102 K 12V l Vcc 11 12 KA7805 re C104 C103 C105 ZZ 10004 470 ZZ 104 35V 25V 9 10 F250V2A 1N4148 4 T C106 e4 104 3 PC817 C109 C110 222 222 250V 250V CN10 YW396 03AV WHT 1 Power is on and makes about DC 300V through BD1 2 TOP S W is switching the best condition automatically Electric current run between D and S of TOP S W and occur electric current in TRANS and when power of D s is off storing electric current of TRANS pass to secondary voltage 3 Voltage main 12V This is applied to display re
35. ge and power turn on 27 8 2 SEMI ELECTROMAGNETIC 9 1 POWER PART V12 DC 12V Vcc DC 5V KA7805 FUSE 250V 0 5A bs C101 VAR1 D ab if GRY C104 1000uF 35V 104 CON 70 IN4007 4 YW396 07AV D101 104 RED m CON 71 YW396 05AV POWER CIRCUIT OF USING e Vcc DC 5V POWER AROUND MICOM OR SENSOR SENSING PART gt V12 DC12V RELAY RUNNING PART AC220V input power is decompressed through LVT DC TRANS the power is changed DC vltg through DIODE rectification It is an archery practive bow through 1000uF 35V CAPACITOR And regular DC 12V is output through REGULATOR 7812 it is used to the RELAY runing power The other of LVT DC TRANS is an archery pratice bow through DIODE rectification or 1000Uf 35V CAPACITOR and it is output the regular DC5V through REGULATOR 7805 And itis used sircumference circuit or various signal Sensor Switch input power 9 2 Departure circuit PART TERMINAL ERUPTION QAVEIENGTH in m OME 4 00MHz 4 00MHZ EODUO sX less than 0 5 error Element of inside MICOM is copper ware clock production of informations transmission reception and eruption circuit for time calculation In a case change SPEC of X TAL use the standard parts or SPEC because it changes calculated time at MICOM or doesnt run 28 SOS 9 3 RESET CIRCUIT PART RESET circuit part is performed the eariy state all program furction when input power and co
36. he end of power function and saving operation is performed after the end of power function x When power freeze and refrigeration selected at the same time Each function applied at the same time Power freeze runs Comp and F fan for two and half hours and power refrigeration runs Comp and R fan for 4C and power refrigeration runs 3 Alarming 1 Button touch Ding Dong sound 1 1 Everytime the button pushed the input confirmation Ding Dong sound 1 2 Not sounds if two keys are pushed at the same time or wrongly handled 2 Door Open Warning 2 1 Two minutes after door opened alarming sounds 2 2 If door opened continuously ten times of alarming sounds with one minute cycle 2 3 Alarming stopped just after door closed 13 S 3 Forced operating and defrosting Beep sound 3 1 If forced function selected the Beep sounds 3 2 Alarming sounds until the forced operating canceled by automatically 24Hr or manualy 3 3 Alarming sounds until the forced defrosting canceled by automatiically 24Hr or manualy 4 Defrosting 1 1 From the first power on defrosting started after 4 hours of total Comp on time 1 2 After that defrosting cycle can be varied from 6 hours to 24 hours Comp on time 5 Testing Testing is for PCB product function and service After testing turn the power on to start self diagmosis 1 Fored operating 1 1 As the button on PCB pushed once Comp starts immediatel
37. lay and 5V power of sourcr and Main PCB 2 OSCILLATOR TERMINAL FREQUENCY Xin 30 4MHz Xout 31 CSI 4 0MHz 1 Tish needs function for CLOCK occurrence and time calculation In case of SPEC of RESONATOR change abnormal mode run because of changing Timming system of MICOM 3 RESET PART TERMINAL VOLTAGE SOS 1 RESET part is intialize RAM MICOM and others when power is on or power is inferruoted for some time It will make whole program runs from the first status When power is supplied reset voltage is LOW status for a few seconds and turn into HIGH Vcc Voltage status in the normal opweating 4 DOOR S W SENSING PART R727 100K R726 1K 100K 1W 27 P21 R724 D705 D706 100K 1W 1N4007 1N4007 DOOR CONDITIONS DOOR S W CONTACT CN72PIN NO1 CONTACT OUTMODE 5V OUTMODE 1 DOOR S W sensing part doesn t sense Door of Fand R room on each micom 2 Lamp control door is opened door S W pin NO 3 opened and voltage no touching No1 of CN 27 and MICOM input Then the door open is sensed 3 When the door is opened Door S W pin No 3 opened and voltage no touching No 1 of CN No 27 and MICOM input Then the door open is sensed t makes door alarm after 2 minutes This time F R DOOR must close at the same time for stopping Door alarm 4 DID DOOR S Whave no each sensing parts and control lamp ON OFF by contact dot of DOOR
38. lure Is freezer s defrosting sensor O K y Change sersor N Is Main PCB connection con30 O K Y Connection failure Re connection N Y Check connected Sensor Wire N Is input of MICOM pin 9 O K Y Check lead and short PCB and temp sensor O K Check connection change MAIN PCB D Refrigerator s defrosting sensor failure Change sersor Is Main PCB connection con30 0 K Connection failure Re connection Check connected sensor wire Check lead and short Check connection change MAIN PCB PCB and temp sensor O K 48 SOS 3 In case of FAN in the refrigerator doernt run REFRENCES Be sure to check cooling FAN under forced operation 1 Freezer FAN refrigerator FAN and COMP COOLING are off when COMP is off 2 Though the COMP is on the FAN is not always on because the FAN is off when the temperature was reached to the set point Forced operation included 3 There isn t delaying time to run the fan after door open COMP on state A In case of F Fan do not run START N Select Forced operation f N Does it run after the door S W pressed gt y F FAN N Does the door S W works nomal Change Door S W N In MAIN PCB connection O K Re connection CN70 Output MICOM pin 19 sigral y Change lead and MICOM change PC
39. n Room Temp sensor temperature SENSOR Freezer Low Faulty connection PCB MAIN is over 50 C or below 50 C Wire open or short Faulty sensor F SENSOR ZF SENSOR temperature is over Freezer LOW MID Faulty connection 50 C or below 50 C Wire open or short Faulty sensor FD SENSOR Freezer defrost sensor housing FD SENSOR temperature is over disconnection o Freezer MID Faulty connection 50C or below 50 C Wire open or short Faulty sensor SELF DIAGNOSIS DISPLAY TABLE 14 ee 6 LOAD STATUS DISPLAY 1 Press power freezing regular conditing and power refrigerating power saving key for five seconds then press temperature control key in the refrigerator after temperature display lamps on and off three times 2 This mode shows which lamps is being sourced signal from MICOM currently This doesn t mean the load is operate due to the open wire or relay missing though the display shows the compressor operating 3 Load status display return to normal mode after sixty seconds 4 Follows are load status and related dispay ITEM DISPLAY LED DISPLAY FREEZER SUBORDINATE COMP FREEZER LOW RELEVANT LED ON DURING COMPRESSOR OPERATION F FAN FREEZER LOW MID RELEVANT LED ON DURING F FAN OPERATION FREEZER DEFROST HEATER FREEZER MID RELEVANT LED ON DURING FREEZER DEFROST HEATER ON REFRIGERATOR SUBORDINATE R FAN S FAN REFRIGERATOR LOW RELEVANT LED ON DU
40. n And if it is needness of defrosting operation performed comp s electrical load is off it is security of circuit In fact each operation is operated to temp sensor and absoluteness defrosting isn t operated with comp 32 SOS 7 POTION PART A circuit way i gt C L D601 D605 pd O i D602 D606 M D gt D603 gt D607 6 n D604 ToO D608 R601 604 777 10KQ Ux 4 B MOVEMENT PRINCIPAL like the grid waves appear in initial power on is recieved throngh switching diode and option is judged for matrix method when option changed power furnd off after change and power turns on C TEMP SHIFT FREEZER TEMP SHIFT REFRIGERATOR TEMP SHIFT UNIT C cur we ome soon wao pee fe FROSTING TEMP SHIFT a ee UNIT 9 Te x CAUTION Don t change DIODE OPTION escape D601 D605 becase it is related to Refrigerator s frust 33 x PERSANAL INFORMA sensor resistance power and MICOMPORT voltage by temperature Lm emm m se sme sm e wm os m em 5 Lm rmm em ss sm sw s wom ous m am var Ls se s sew sm ows zm m sm vum Lm se em x me sm s wm ze x sm vm Ce ewm we sm em s xm pum Ls mee 9 wem sw ume 2m s ow um Lm sm m s men sm we xm s om wm 7 a am au s we sw amp om we
41. nected to the commons of comp relay Ry 71 and defrosting heater relay Ry 73 Ry 75 When those relays are off state comp and defrosting heater are also off As comp relay moves to on and AC 220V applied to comp load it starts operating On the other hand defrost heater runs if defrost heater relay moves to on There is no chance that both comp and defrost heater runs together so it s useful for safety aspect EIS LOAD REMARK COMP F DEFROSTING HEATER COMP OPERATION preverting power of F DEFROSTING HEATER COMP OFF F DEFROSTING HEATER OFF NER OFF F DEFROSTING HEATER ON PREVENTING COMP POWER OFF OFF COMP OFF F DEFROSTING HEATER OFF SL LLL 24 8 BLDC MOTOR Operation Circuit SMW250 07 YEL 008 R701 1N4148 2 m F FAN HIGH 47K lt F FAN LOW P03 cos 9702 IN4148 2 BLDC R703 uoi EM 10K 2 2K R FAN HIGH DS drank Trae NA R707 pm 47K lt R FAN LOW BLDC R FAN 3 C06 R710 KA324 20K F R709 R708 SENE 13 10K F 10K Q703 0 LoT 22K C FAN Go P13 i R729 Voc ame 20KF R713 5 6K CFAN 10K l R712 R720 10K R715 1063 P76 Ec 8 P00 BLDC C FAN 1 Operate description of BLDC MOTOR First if FAN became before operate condition of FANMOTOR condition of in the temp are high temp more than FAN of recently institutionn NOTCH is operated condition ex CONNECTOR CN 70 5 third voltage Input VL 5V Used Diode regard DROP Perated High RPM VL G
42. nfimate power to MICOM for suddeniy electricity failure it is initialed to PAM of inside MICOM when confimate power RESET S vltg is LOW state during sevweal tens uses and it is HIGH state as nomal operation state 9 4 SENSING OF TEMP PART R301 Vcc 10K0 F SENSOR OPEN SENSOR SHORT Inpat MICOM HIGH Inpat MICOM LOW 1 SENSOR is vsing the THER with labor coefficint if temp is high resistance is low on the contrary if temp is iow reissitarce is high 2 According to sensor voltage of input to MICOM is calculate Rth Vf2 _ Rth 10 4 X Vec Vcc 5V Rth SENSOR RESISTANCW 29 SOS 9 5 TEMP CONTROL CIRCUIT ROTARY S W A FREEZER TEMP SUB PCB ASSY CNO1 SMAW250 04WHT CN30 ROTARY S 8 SMW250 09WHT ie 1Ko F 7EA TH 7 TT 7 7 7 7 h L ae G6 M R901 CD I0 o 2 DC5V O R902 d e R903 pM 071 9 R904 R905 R906 x CAUTION 1 It is appeared the S W cross spot of ROTARY S W circuit O E Temp control is changed KNOB of contructed ROTARY S W in the freezer and it is possible the temp control 1 step to 8 step Temp control SETTING become partial pressure for R 501 resistance and ROTARY S W resistance Row composition resistance of resistance charge to R 908 and ROTARY S W direction And partial pressure is delivered to MICOM through R 50
43. on Prevent danger of fine the TRACKING SHORT and others e Check the infiltrate marks of water in electric control equipment Be infiltrate marks of water change parts and others e Check assemble state of parts after repair the trouble Keep the same state before it e Check using environment of refrigerator Change the using direction when it is full of moisture water and unstable the institution state e When ground connection needs It could do it Especially it is ground connection when danger of electric leakage about moisture or water e Do not plug multiple electrical appliances into the same outlet e Check be damaged pressed impressed raging fire of power plug and outlet Badness the power plug or power outlet it is repair Manage power code what it isn t impressed and pressed e Dont store unstable the food and at the freezer bottle e Dontrepair the manufacture to consumer e Never store expect the foods in the refrigerator Medical supplies chemical fertilizer Difficult the exactly temp maintenance The inflammables Alcoholes benzene ether LP gas etc dange of explosion 79 ELECTRONICS 272 Oseon Dong Kwangsan Gu Kwangju City Korea 506 253 TEL 82 62 950 6810 6811 FAX 82 62 950 6829 Samsung Electronics Co Ltd Refrigerator Division 2001 06 Printed in Korea Code No
44. other things of housing parts state of components trace of moisture harness parts and check parts elt must be in the same assembled state e When the trace of moisture penetration is e Cleaning may prevent the possible fire by when compared with the state before detected replace the patt or try insulation tracking or short disassembly tapping 3 ELECTRIC PARTS STANDARD STANDARD ITEM SR 61 65 69NMC SR 61 65KTC 110 115V 60Hz 127V 60Hz 220V 50 60Hz 230 240V 50Hz MODEL DK172C L2U DK172P L2U SK190H L2U DK190Q L2U COMPRESSOR STARTING TYPE RSCR H E OIL CHARGE Freol a 15 ESTER A Coca HEEAER SPLIT FIN TYPE 2 REFRIIGERATOR SPLIT FIN TYPE amp TUBE TYPE SPLIT FIN TYPE E CONDENSER FORCED AND NATUAL CONUECTION TYPE DRYER MOLECULAR SIEVE XH 9 LL E CAPILLARY TUBE 0 82X2500 4 26Kg cm REFRIGERANT HFC 134a ON C OFF C ON C OFF C HIGH 21 C 23 C 22 C 24 C LLI FREEZER MID 18 C 20 C 18 C 20 C m LOW 15 C 15 C 17 C an HIGH 05 C 15 C 0 50 45 REFRIGERATOR MID a m LOW 6 5 C 5 5 5 5 4 5 C FIRST CYCLE 4hours 10minute tO REFRIGERATOR 10hours e CYCLE m FREEZER 20hours Q PAUSE TIME 10minute 2minute Ooo OSOS ELECTRIC PARTS ITEM SR 61 65 69NMC SR 61 65KTC 110 115V 60Hz 127V 60Hz 2
45. p cover rear and release the looking part of both left and right using driver Remove 2 screws 64 SOS e Cooling cycle unit assembly in refrigerating compartment 2 holders securing evaporator CABLE TIE TAPE AL Groove for preventing small ice when defrosting FOAM LEX Temp fuse Temp sensor e Cooling cycle unit cover assembly in the refrigerating Noise protector 65 11 5 Disassembly of cooling part in the freezing room 1 Pull out the shelf 2 Remove screws of evap covwe and release the CAP SCREW vsing driver 3 Disconnect the each terminal of wire housing on top of the left side 4 Remove screws of evap cover rear and release the locking point using driver 66 11 6 Disjonting of DID door 1 Disassembie inner lower GROMMET of DID door 2 Disassemble DID door with up the iower HINGE 3 Assemble reverce order of disassemble 6 Assembly specifcation of Freezer cooler part Fixed screw DARAIN HEATER GE At ge IN hw Trrrrrrrrrrrrrrrrrrrr FORM LEX Al LL E IL T UL Temperature fuse Frasting Sensor 67 as EVAP ASSY 11 7 Unit assembly 1 Remove a screw from the back lower cover of unit 2 Assemble specification of unit SR 61 65KTC SR 61 65 69NMC Pace condenser Motor fan Condenser
46. rature Product frost to suction PIPE Ouerheat of COND ineffective About a haif of EVAP is covered frost and particular After weid the freeze becase disclosure the disclosure part ice is ilttle pour into Ice COND is cold Surace temp of compressor is high Refrigerator isn t cold at once 52 10 Disassemble and Assemble Drawing And Parts List 10 1 Freezer comoartment SR 61KTC 65KTC N M a LAMP INCANDE SENT VAMP HOLDER Pd CAVER CASE ICE EVAP FRE ASSY CASE ICE CUBE 7 7 EVAP FRE HEATER DRAIN M N SCREW TAPPIN 2 Ps Q ze e COVER MOTOR 8 N MOTOR FAN BUMPON MOTOR 7 M SPRING FAN YS COVER EVAP REAR M M M M M M M COVER FAN A COVER EVAP RE ASSY SCREW 9 COVER EVAP FRONT 53 10 2 Freezer compartment SR61NMC 65NMC 69NMC WIRE HARNESS ROTART SCREW TAPPING PBA PANEL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 TRIM SHELF PEA TRAY ICE 24 N Pd N SHELF FRE ASSY a lt CAVER CASE ICE lt THERMO FUSE ac 22 ON E CASE ICE CUBE SCREW TAPPING_ HEATER DRAIN l l l GROMMET MOTOR BUMPON MOTOR I COVER EVAP FR ASSY SCREW TAPPIG 55 10 3 Refrigerator Compartment SR 61KTC
47. rformed and LED is OFF below 0 5 seconds B Input the function judge temp of F room or R room F room is less than comp on of LOW NOTCH and R room is less than comp on of LOW NOTCH If so regular condition function is operate and comp F R FAN is off without state of operation in recently C When state the operation of regular condition judge the temp of F R room F room is over comp on of LOW NOTCH or R room is over comp on of LOW NOTCH If son regular condition function is the end and it is returned before 4 Power refrigerator Power saving function 1 Select power refrigerator power saving button 2 Press POWER SAVING BUTTON at once And it is selected OFF Power refrigerator gt Saving operation 3 Initial power on isn t signal CLASSIFICATION INITIAL POWER ON PRESS ONE PRESS T ONE NOTES CHANGE OF SIGNAL LAMP OFF 5 POWER REFRIGERATOR 3 SAVING OPERATION NOTES 4 1 Power refrigerator function A Input power refrigerator saving key When power refrigerator started LED signal change at once Comp and R fan runs until the temperature of refrigerator reaches 4 C when quick refrigeration selected B During power refrigerator the freezing controlled by setted notch 4 2 Saving operation function A Input saving operation button F R room temp operate 0 8 C rising When situation about NOTCH rised 0 8 C B When input power freezer or power refrigerator saving function stop to t
48. rmal mode e After heating finish it need 10 minal mode 3 TEST FUNCTION CANNCELLATION MODE e Duting refrigerator and freezer run forced defrost function press one more TEST S W button if so forced defrost cancel and rest in 10 minutes and then turn normal mode 20 SOS E self diagnosis function 1 Power on refrigerator and it run seif diagnosis function about 2 seconds at the inner part 2 If no preblem it turns normal mode 3 If find prebiem display lamp of PCB show errw position like lower list and everything don t operate until repair error position 4 After refrigerator power off and then power on for confirming conditiom 5 Thus if you want to know OPEN SHORT of temperature sensor on SVC power off and on if it run self diagnosis function 6 When error occur LAMP display method Lamp on time 0 3 seconds ON OFF Lamp off time 2 seconds ITEM Led Display Problem Remark F DEFROST E ERROR SENSOR IS BELOW 50 C SENSOR SHORT ERROR SENSOR IS BELOW 450 BDEEROS OPENERROR SENSOR IS BELOW 50 C SENSOR SHORT ERROR SENSOR IS BELOW 500 OPENERROR SENSOR IS BELOW 50 C F SENSOR SHORT ERROR SENSOR IS BELOW 50 C OPENERROR SENSOR IS BELOW 50 C R SENSOR os UL HNN SHORT ERROR SENSOR IS BELOW 450 C F Rotary S W OPEN ERROR NORMAL MODE Vntil operating initial 5minutes Incase of many problems find it display error position in order lt Example o
49. sure is delivered to MICOM through R505 resistance and recognited temp control and it become SETTING to temp control Voltage or resistance charge of MAINPCB MICOM input for SUBPCB Assy s ROTARY S W cross spot direction is same the below When measure the resistance charge connector of MAINPCB CN30is separated and measure the connector terminal Section STEP 2STEP 3STEP 4STEP 5STEP 6STEP 7STEP 8STEP WHENOPEN 49 PIN 8 PIN 7 PIN 6 48 PIN 4 PIN Voltage 277 294 333 357 454 R506 0 15V 0 15V 4015 4015 0 15V 015V 0 15V 0 15V Resistance 6 54K0 566K0 4 76K0 384 291K 1 96K 0 99K0 09 1000 1 CN30 1 1 1 1 1 1 1 x To upside when measure the resistance charge isn t appeared the resistance in the case SUBPCB ASSY connection is disconnection or crack situation of PCB board 31 SOS 6 ELECRICAL LOAD SIGNAL LAMP CONTROL PART BARISTHR CN70 Qu 12V SSR71 F FAN SSR fey gt _ lt _9 LE i 6 RY71 O COMP MM x lt O O COMMON RED F DEF HEAT RELAY O Song edm lt R DEF HEAT RELAY MI 5 ao Lo o oloeo o ONT 1 Like the above circuit pin 1 of CN71 suply the power And electrical load suply the power when electricaload operated operated refrigerator freezer to fact comp operatio
50. transient suppression diodes and are activated by an active high input The suffix A all devices indicates an 18 lead plasitic dual in line package with copper lead frame for optimum power dissipation Under normal operating conditions these devices will sustain 120 mA continu ously for each of the eight outputs at an ambient temperature of 50 and a supply of 15 V The suffix LW UND2982LW and UDN2984LW only indicates a surface mountable wide body SOIC pakage All devices are also available for operation between 40 c and 85 To order change the prefix form UDN to UDG m FEATURES DIL PMOS or CMOS Compatible inputs 600mA Output Source Current Capabilty Transient Protected Outputs Output Breakdown Voltage to 80 V DIP or SOIC Package Always order by complete part number e g UDN2981A Note that all devices are not available in both package types 78 FOR SAFETY OF SERVICE CAUTION e Turn off the power of refrigeration when the change and repair of electric control equipment Be caful electric shock e use the regular parts when change the electric control equipment check the named MODEL regular power regular electric current and movement temp e When repaired cross line of HARNESS is firm and no dangerous of water infiltration When the regular force it isn t seperate e When repaired remove the HOUSING parts cross line parts point of contact parts and so
51. y 1 2 If fored operating selected the notch of freezer and refrigerator fixed to HIGH and MID HIGH Then comp and F fan is controlled to pull down and R fan is controlled to MID HIGH notch 1 3 Pull down maintained just for 24 hours during forced operating after that automatically defrost freezer and refrigerator and then stares nomal operating 1 4 Turn the power off or select test cancel mode to cancel the forced operating 1 5 Alarming 0 25 secon 0 75 sec off continues until the forced operating finished It continues without any relations to alarming key selection or cancel 2 Forced defrosting 2 1 Push the test button one more time to run the forced defrosting of refrigerator 2 2 One more push in the above status will run defrosting of freeaer and refrigerator simult a neously 2 3 Forced operating cancelled automatically by starting forced defrosting and return to normal operating after campletion of defrosting 3 Test cancel mode 3 1 One more push in the status of forced defrosting of F R wiill run normal operating 3 2 Alarming stopped in the test cancel mode 4 Initial function of first POWER ON 1 If power is impressed it begins to make a self diagnosis and light all LED for 2 second if normal condition is confirmed 2 After first self diagnosis find unstable sensor among temp sensor And LED is on and off 5 second periods 3 During 2 second turn on all LED AND F R LED display MID MID 4 Early state
52. zer key display of LED change at once but actual operating start in 10 seconds TEMPERATURE 16 0 C 19 0 C 2 Refrigerator temperature control 2 1 It consists of five steps as follows and selected by one button MID MID HIGH NIGH LOW LOW MID 2 2 setting up turn on a light in order by system of freezer cholce button MID MID HIGH NIGH LOW LOW MID MID 2 3 It set up MID automaticature during power on 2 4 There is standard temperatically list of each notch part 1 3H standard 2 5 When inputting freezer key display of LED change at once but actual operating start in 10 seconds 2 3 It set up MID automaticature during power on 4 Tur Rr 3 Ppwer freezering Regular condition 9in bed 1 It select just power freezer Regular condition 2 If you press power freezing regular freezing Power freezing Regular condition 3 When first power on lamp does appear 12 3 1 Power freeze function A Input power freeze regular condetion key When power freeze startes LED signal change at once Comp and F fan runs continuously for two and a half hours when quick freeze sekected B During quick freezing the refrigerator controlled by setted notch 3 2 Regular condition function A Judge the temp of F R room F room is over comp on of LOW NOTCH or R room is over comp on of LOW NOTCH If so regular condition function isn t pe

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