Samsung SR-69NMC Diagnosis of disorder and method of repair, SENMI electronic mode SR-61NMC,65NMC

Page 47

9. Diagnosis of disorder and method of repair.

2.SENMI electronic mode (SR-61NMC, 65NMC)

1.When not operating Power

START

Is power voltage output between MAIN PCB PIN5 of CN 70 and PINI of CN 71?

Is TRANS secord side voltage of MAIN

PCB normal?

Is FUSE normal?

Is iced lead near MAIN PCB soldering and SHORT phenomenon?

Is defrst relay and comp relay during operating TEST S/W of NAIN PCB normal?

Exchange MAIN ASSY

Repair POWER CORD and electric cord.

Exchange DC-TRANS.

Exchange FUSE.

Repair iced iead

Repair PCB

－46－

Image 47

Contents REFRIGERATOR CONTENTSModel SR-61KTC/SR-61NMC SR-65KTC/SR-65NMC SR-69NMC1. Product specifications Prohibition Description of symbols2.Safety precautions and warnings Warning/CautionReted ProhibitionProhibition ProhibitionTEMPERATURE DEFROST REFRIGERATION PARTS3. ELECTRIC PARTS STANDARD ELECTRIC PARTS 4-2SEMI BASIC SR-61NMC,65NMC, 69NMC 4. Electric diagram4-1.Electronic modeSR-61KTC,65KTCT 5. Cool Air Circulation SR-69NMC 6. FUNCTIONS AND DIRECTIONSMODEL SR-61NMCDID CASE 6-2.THE NAME OF EACH PARTS AND DISASSEMBLE METHODDOOR GUARD CHILLED ROOM SHELF－11－ 6-3.CYCLE OF FREEZING7. 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 －18－ ※Personal Informatin7-2,SEMI ELECTRONIC MODE D. TEST FUNCTION Page 8. CIRCUIT OPERATING THEORY 4.DOOR S/W SENSING PART 5. TEMP·SENSING PART REMARK 7. COMP AND DEFROSTING HEATER OPERATINGSTATES LOAD8. BLDC MOTOR Operation Circuit 1-2FAN MOTOR IN THE FREEZER R-FAN REMARK 9. POTION PART 1PRINCIPIE OF MAVEMENTNAME STANDARD8-2.SEMI ELECTROMAGNETIC 9-1.POWER PART 9-3.RESET CIRCUIT PART 9-5.TEMP. CONTROL CIRCUIT.ROTARY S/W －31－ B. REFRIGERATOR TEMP ※ CAUTIONIt is appeared the S/W cross spot of ROTARY S/Wcircuit ①~⑩－32－ 6. ELECRICAL LOAD SIGNAL LAMP CONTROL PARTB. MOVEMENT PRINCIPAL －34－ ※PERSANAL INFORMARemark MODEL NAME1.ELECTRICAL SR-61KTC,65KTC 9.Diagnosis of disorder and method of repair1.Check the power of consent and power code 1.No input Power－37－ 2.Self diagnosis failureOuter temper ature sensor failure ②Refrigerator temp, sensor failure－38－ Freezer tem sensor failare－39－ Freezer’s defrosting sensor failure3. In case of contiunous alarming REFRENCES ②In case of“Beep-Beep”alarming 4. In case of FAN do not run REFRENCES －43－ ①In case of F-FANdoesn’t run Run the DC voltage－44－ the MOTOR Check the MOTOR Chang the MOTOR －45－Forced operation Check CON70 connection check －46－ 9. Diagnosis of disorder and method of repair1.When not operating Power 2.SENMI electronic mode SR-61NMC,65NMC－47－ 2. Self diagnosis failureA. Freezer’s temp·sensor failure B. Refrigerator’s temp, senser failure－48－ C. Freezer’s defrosting sensor failureD. Refrigerator’s defrosting sensor failure 3.In case of FAN in the refrigerator doern’t run －50－ B. In case of R-FANdo not run ①CheckIs proper the retrigerators temp·regulator? ②Check ROTARY S/W－51－ 4.Badress management of freeze cycle Appearance －53－ 10-1.Freezer comoartmentSR-61KTC,65KTC10-2.Freezer compartment SR61NMC,65NMC,69NMC －55－ 10-3.Refrigerator Compartment SR-61KTC,65KTCTHERMO-FUSE,ASSY SENSOR-ASSY EVAP-REF CHASSIC-COMPASSY CHASSIC-COMPASSY HING-MID-ASSYHANDLE-REF,ASSY 10-7.Related Components of DOORHANDLE-FRE,ASSY CASE-DLSPLAY,ASSY1.Disassemble lathch the top cover of refrigerator 1Remove the back cover lamp and then in door lamp 11-2.Replacement of freezer in door lamp11-3.Replacement of refrigerator in door lamp SR-61KTC SR-61/65/69NMC2Remove foods and shelves inside the Refrigerator 11-4.Disassemble of refrigerator cooling part1 Push the cold storage and remove it Remove 2 screws la tchNoise protector Groove for preventing small ice when defrosting2 holders securing evaporator CABLE TIE FOAM-LEX Temp·fuse Temp·sensor1 Pull out the shelf 2 Disassemble DID door with up the iower HINGE Assembly specifcation of Freezer cooler part11-6.Disjonting of DID door 1 Disassembie inner lower GROMMET of DID doorCondenser entrance Rubber for Noise protector 11-7.Unit assemblyMotor fan Hot pipe entrance S-PIPE Pace condenser Pace condenser entranceCondenser 11-8.Electric box assembly1.Disconnect the power cord 3.Assembly specification of electric box TEST S/WFUSE Condenser TRANS-POWER 11-9.Electric box assembly1.Disconnect the power cord 3.Assembly specification of electric box TEST S/WEXAMPLE OF PERFECT PACKING 12. PACKINGPACKING OF DOOR AND CABINET PACKING EXAMPLE OF FRONT SIDE AND BACK SIDECircuit way ORDERING INFORMATION FEATURESBLOCK DIAGRAM 13. Main Components SpecifacationsABSOLUTE MAXIMUM RATINGS TA = ELECTRICAL CHARACTERISTICS KA7805/IELECTRICAL CHARACTERISTICS KA7812/I BLOCK DIAGRAM 3.3V VOLTAGE DETECTORFEATURES Checking low batteryELECTRICAL CHARACTERISTICS TA = ABSOLUTE MAXIMUM RATING TA =ABSOLUTE MAXIMUM RATINGS FEATURES2981THRU 8-CHANNELSOURCE DIRVERSFOR SAFETY OF SERVICE CAUTION TEL 82-62-950-6810,6811 FAX ELECTRONICS272, Oseon-Dong, Kwangsan-Gu Kwangju-City,Korea