Samsung SR-61KTC, SR-65KTC Self diagnosis failure, A. Freezer’s temp·sensor failure, －47－

Page 48

2. Self diagnosis failure

2. Self diagnosis failure

A. Freezer’s temp·sensor failure

START

Is freezer’s temp·sensor O.K?

change temp ,senser

Is MAIN PCB connection

(CON30) O.K?

Connection failure Re-connection

Is connection of temp sensor O.K?

Check connected sensorwire

Is input vltg of MICOM pinll O.K?

Check short and iced lead

PCB and temp, sensor O.K

Ckeck connection Charge MAIN PCB

B. Refrigerator’s temp, senser failure

START

Is refrigerator’s temp·sensor O.K?

change temp ,senser

Is MAIN PCB connection

(CON30) O.K?

Connection failure Re-connection

Is connection of temp sensor O.K?

Check connected sensorwire

Is input vltg of MICOM pin 10 O.K?

Check short and iced lead

PCB and temp, sensor O.K

Ckeck connection Charge MAIN PCB

－47－

Image 48

Contents CONTENTS Model SR-61KTC/SR-61NMC SR-65KTC/SR-65NMCSR-69NMC REFRIGERATOR1. Product specifications Description of symbols 2.Safety precautions and warningsWarning/Caution ProhibitionProhibition ProhibitionProhibition RetedREFRIGERATION PARTS 3. ELECTRIC PARTS STANDARDTEMPERATURE DEFROST ELECTRIC PARTS 4. Electric diagram 4-1.Electronic modeSR-61KTC,65KTCT4-2SEMI BASIC SR-61NMC,65NMC, 69NMC 5. Cool Air Circulation 6. FUNCTIONS AND DIRECTIONS MODELSR-61NMC SR-69NMC6-2.THE NAME OF EACH PARTS AND DISASSEMBLE METHOD DOOR GUARDCHILLED ROOM SHELF DID CASE6-3.CYCLE OF FREEZING －11－7. TEMPERATURE CONTROL AND THE OTHERS 3.Alarming 3Forced operating and defrosting“ Beep”sound 5.SELF DIAGNOSIS 6.LOAD STATUS DISPLAY 7.operating of fan motor ※Personal Informatin －18－7-2,SEMI ELECTRONIC MODE D. TEST FUNCTION Page 8. CIRCUIT OPERATING THEORY 4.DOOR S/W SENSING PART 5. TEMP·SENSING PART 7. COMP AND DEFROSTING HEATER OPERATING STATESLOAD REMARK8. BLDC MOTOR Operation Circuit 1-2FAN MOTOR IN THE FREEZER R-FAN 9. POTION PART 1PRINCIPIE OF MAVEMENT NAMESTANDARD REMARK8-2.SEMI ELECTROMAGNETIC 9-1.POWER PART 9-3.RESET CIRCUIT PART 9-5.TEMP. CONTROL CIRCUIT.ROTARY S/W B. REFRIGERATOR TEMP ※ CAUTION It is appeared the S/W cross spot of ROTARYS/Wcircuit ①~⑩ －31－6. ELECRICAL LOAD SIGNAL LAMP CONTROL PART －32－B. MOVEMENT PRINCIPAL ※PERSANAL INFORMA －34－MODEL NAME Remark9.Diagnosis of disorder and method of repair 1.Check the power of consent and power code1.No input Power 1.ELECTRICAL SR-61KTC,65KTC2.Self diagnosis failure Outer temper ature sensor failure②Refrigerator temp, sensor failure －37－Freezer tem sensor failare －38－Freezer’s defrosting sensor failure －39－3. In case of contiunous alarming REFRENCES ②In case of“Beep-Beep”alarming 4. In case of FAN do not run REFRENCES ①In case of F-FANdoesn’t run Run the DC voltage －43－－44－－45－ Forced operation Check CON70 connection checkthe MOTOR Check the MOTOR Chang the MOTOR 9. Diagnosis of disorder and method of repair 1.When not operating Power2.SENMI electronic mode SR-61NMC,65NMC －46－2. Self diagnosis failure A. Freezer’s temp·sensor failureB. Refrigerator’s temp, senser failure －47－C. Freezer’s defrosting sensor failure D. Refrigerator’s defrosting sensor failure－48－ 3.In case of FAN in the refrigerator doern’t run B. In case of R-FANdo not run ①Check －50－②Check ROTARY S/W －51－Is proper the retrigerators temp·regulator? 4.Badress management of freeze cycle Appearance 10-1.Freezer comoartmentSR-61KTC,65KTC －53－10-2.Freezer compartment SR61NMC,65NMC,69NMC 10-3.Refrigerator Compartment SR-61KTC,65KTC －55－THERMO-FUSE,ASSY SENSOR-ASSY EVAP-REF CHASSIC-COMPASSY HING-MID-ASSY CHASSIC-COMPASSY10-7.Related Components of DOOR HANDLE-FRE,ASSYCASE-DLSPLAY,ASSY HANDLE-REF,ASSY1.Disassemble lathch the top cover of refrigerator 11-2.Replacement of freezer in door lamp 11-3.Replacement of refrigerator in door lampSR-61KTC SR-61/65/69NMC 1Remove the back cover lamp and then in door lamp11-4.Disassemble of refrigerator cooling part 1 Push the cold storage and remove it2Remove foods and shelves inside the Refrigerator la tch Remove 2 screwsGroove for preventing small ice when defrosting 2 holders securing evaporator CABLE TIE FOAM-LEXTemp·fuse Temp·sensor Noise protector1 Pull out the shelf Assembly specifcation of Freezer cooler part 11-6.Disjonting of DID door1 Disassembie inner lower GROMMET of DID door 2 Disassemble DID door with up the iower HINGE11-7.Unit assembly Motor fan Hot pipe entrance S-PIPEPace condenser Pace condenser entrance Condenser entrance Rubber for Noise protector11-8.Electric box assembly 1.Disconnect the power cord3.Assembly specification of electric box TEST S/W Condenser11-9.Electric box assembly 1.Disconnect the power cord3.Assembly specification of electric box TEST S/W FUSE Condenser TRANS-POWER12. PACKING PACKING OF DOOR AND CABINETPACKING EXAMPLE OF FRONT SIDE AND BACK SIDE EXAMPLE OF PERFECT PACKINGCircuit way FEATURES BLOCK DIAGRAM13. Main Components Specifacations ORDERING INFORMATIONELECTRICAL CHARACTERISTICS KA7805/I ABSOLUTE MAXIMUM RATINGS TA =ELECTRICAL CHARACTERISTICS KA7812/I 3.3V VOLTAGE DETECTOR FEATURESChecking low battery BLOCK DIAGRAMABSOLUTE MAXIMUM RATING TA = ELECTRICAL CHARACTERISTICS TA =FEATURES 2981THRU8-CHANNELSOURCE DIRVERS ABSOLUTE MAXIMUM RATINGSFOR SAFETY OF SERVICE CAUTION ELECTRONICS 272, Oseon-Dong, Kwangsan-Gu Kwangju-City,KoreaTEL 82-62-950-6810,6811 FAX