Samsung SR-65KTC, SR-65NMC, SR-69NMC, SR-61KTC, SR-61NMC Freezer’s defrosting sensor failure, -39-

Page 40
Freezer’s defrosting sensor failure

Freezers defrosting sensor failure

START

N

In MAIN-PCB connection

(con30) O.K?

Y

N

Is defrosting sensor O.K.

Connection failure

Change sensor

Y

Is conection of defrosting

N

sensor O.K

Y

Is input vltg of CON30

PIN4 O,K

Y

N

connection failure

Wire open

Change MAIN PCB ASSY

39

Image 40
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 Reted3. ELECTRIC PARTS STANDARD REFRIGERATION PARTSTEMPERATURE DEFROST ELECTRIC PARTS 4-1.Electronic modeSR-61KTC,65KTCT 4. Electric diagram4-2SEMI 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- Forced operation Check CON70 connection check -45-the 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-D. Refrigerator’s defrosting sensor failure C. Freezer’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--51- ②Check ROTARY S/WIs 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 lamp1 Push the cold storage and remove it 11-4.Disassemble of refrigerator cooling part2Remove 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 272, Oseon-Dong, Kwangsan-Gu Kwangju-City,Korea ELECTRONICSTEL 82-62-950-6810,6811 FAX