Samsung SR-65KTC, SR-65NMC, SR-69NMC, SR-61KTC, SR-61NMC ELECTRICAL CHARACTERISTICS KA7812/I

Page 75
ELECTRICAL CHARACTERISTICS KA7812/I

ELECTRICAL CHARACTERISTICS KA7812/I

(Refer to test circuit, TMIN < TJ < TMAX, IO = 500mA, VI = 19V, CI = 0.33 F, CO = 0.1 F, unless otherwise specified)

Characteristic

 

Symbol

Test Conditions

KA7812I

KA7812I

Unit

 

 

 

 

 

 

 

Min

Typ

Max

Min

Typ

Max

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TJ = 25

11.5

12

12.5

11.5

12

12.5

 

 

 

 

 

 

 

 

 

 

 

 

 

Output Voltage

 

Vo

5.0mA 1.0A, PD 15W

 

 

 

 

 

 

V

 

 

 

VI = 14.5V to 27V

 

 

 

11.4

12

12.6

 

 

 

 

VI = 15.5V to 27V

11.4

12

12.6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line Regulation

 

Vo

 

VI = 14.5 to 30V

 

10

240

 

10

240

mV

 

 

 

 

 

 

 

 

 

 

VI = 16 to 22V

 

3.0

120

 

3.0

120

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Load Regulation

 

Vo

 

IO = 5mA to 1.5A

 

11

240

 

11

240

mV

 

 

 

 

 

 

 

 

 

 

IO = 250mA to 750mA

 

5.0

120

 

5.0

120

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quiescent Current

 

IQ

TJ = 25

 

5.1

8

 

5.1

8

mA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IO = 5mA to 1.0A

 

0.1

0.5

 

0.1

0.5

 

 

 

 

 

 

 

 

 

 

 

 

 

Quiescent Current Change

 

IQ

VI = 14.5V to 30V

 

 

 

 

0.5

1.0

mA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI = 15V to 30V

 

0.5

1.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output Voltage Drift

 

Vo/ T

IO = 5mA

 

-1

 

 

-1

 

mV/

 

 

 

 

 

 

 

 

 

 

 

 

Output Noise Voltage

 

VN

f = 10Hz to 100KHz ,TA = 25

 

76

 

 

76

 

V

 

 

 

 

 

 

 

 

 

 

 

 

Ripple

 

RR

f = 120Hz

55

71

 

55

71

 

dB

Rejection

 

VI = 15V to 25V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dropout Voltage

 

Vo

IO = 1A, TJ = 25

 

2

 

 

2

 

V

 

 

 

 

 

 

 

 

 

 

 

 

Output Resistance

 

Ro

f = 1KHz

 

18

 

 

18

 

m

 

 

 

 

 

 

 

 

 

 

 

 

Short Circuit Current

 

ISC

VI = 35V, TA = 25

 

230

 

 

230

 

mA

 

 

 

 

 

 

 

 

 

 

 

 

Peak Current

 

IPK

TJ = 25

 

2.2

 

 

2.2

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

, MAX = 125

 

 

 

 

 

 

 

,

MAX = 125

 

 

 

 

 

 

 

 

 

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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 ProhibitionREFRIGERATION 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 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－ －45－ Forced operation Check CON70 connection checkthe MOTOR Check the MOTOR Chang the MOTOR －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 failureC. Freezer’s defrosting sensor failure D. Refrigerator’s defrosting sensor failure－48－ 3.In case of FAN in the refrigerator doern’t run －50－ B. In case of R-FANdo not run ①Check②Check ROTARY S/W －51－Is proper the retrigerators temp·regulator? 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-61/65/69NMC11-4.Disassemble of refrigerator cooling part 1 Push the cold storage and remove it2Remove foods and shelves inside the Refrigerator 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 ELECTRONICS 272, Oseon-Dong, Kwangsan-Gu Kwangju-City,KoreaTEL 82-62-950-6810,6811 FAX
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