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20

OPERATION PRINCIPLES BY PARTS OF CIRCUIT

Temp to Resistance of Sensor & MICOM PORT Voltage

Sensor CHIP : PX41C Standard

Temp.

-50 °F/-45.6 °C

-49 °F/-45.0 °C

-48 °F/-44.4 °C

-47°F/-43.9 °C 

-46 °F/-43.3 °C

-45 °F/-42.8 °C

-44 °F/-42.2 °C

-43°F/-41.7 °C 

-42°F/-41.1 °C 

-41°F/-40.6 °C 

-40°F/-40.0 °C 

-39°F/-39.4 °C 

-38°F/-38.9 °C 

-37°F/-38.3 °C 

-36°F/-37.8 °C 

-35°F/-37.2 °C 

-34°F/-36.7 °C 

-33°F/-36.1 °C 

-32°F/-35.6 °C 

-31°F/-35.0 °C 

-30°F/-34.4 °C 

-29°F/-33.9 °C 

-28°F/-33.3 °C 

-27°F/-32.8 °C 

-26°F/-32.2 °C

-25°F/-31.7 °C 

-24°F/-31.1 °C 

-23°F/-30.6 °C 

-22°F/-30.0 °C 

-21°F/-29.4 °C 

-20°F/-28.9 °C

Resistance(

)

153319

144794

136798

129294

122248

115631

109413

103569

98073

92903

88037

83456

79142

75077

71246

67634

64227

61012

57977

55112

52406

49848

47431

45146

42984

40938

39002

37169

35433

33788

32230

Voltage(V)

4.694

4.677

4.659

4.641

4.622

4.602

4.581 

4.56 

4.537

4.514 

4.49 

4.465

4.439

4.412

4.385

4.356

4.326

4.296

4.264

4.232

4.199

4.165

4.129

4.093

4.056

4.018 

3.98 

3.94 

3.899

3.858

3.816

Temp.

-19°F/-28.3°C

-18°F/-27.8 °C

-17°F/-27.2 °C

-16°F/-26.7 °C

-15°F/-26.1 °C

-14°F/-25.6 °C

-13°F/-25.0 °C

-12°F/-24.4 °C

-11°F/-23.9 °C

-10°F/-23.3 °C

-9°F/-22.8 °C

-8°F/-22.2 °C

-7°F/-21.7 °C

-6°F/-20.6 °C

-5°F/-20.0 °C

-4°F/-45.6 °C

-3°F/-19.4 °C

-2°F/-18.9 °C

-1°F/-18.3 °C

0°F/-17.8 °C

1°F/-17.2 °C

2°F/-16.7 °C

3°F/-16.1 °C

4°F/-15.6 °C

5°F/-15.0 °C

6°F/-14.4 °C

7°F/-13.9 °C

8°F/-13.3 °C

9°F/-12.8 °C

10°F/-12.2 °C

11°F/-11.7 °C

Resistance(

)

30752

29350

28021

26760

25562

24425

23345

22320

21345

20418

19537

18698

17901

17142

16419

15731

15076

14452

13857

13290

12749

12233

11741

11271

10823

10395

9986

9596

9223

8867

8526

Voltage(V)

3.773

3.729

3.685

3.64

3.594

3.548

3.501

3.453

3.405

3.356

3.307

3.258

3.208

3.158

3.107

3.057

3.006

2.955

2.904

2.853

2.802

2.751

2.7

2.649

2.599

2.548

2.498

2.449

2.399

2.35

2.301

Temp.

12°F/-11.1°C

13°F/-10.6°C

14°F/-10.0°C

15°F/-9.4°C

16°F/-8.9°C

17°F/-8.3°C

18°F/-7.8°C

19°F/-7.2°C

20°F/-6.7°C

21°F/-6.1°C

22°F/-5.6°C

23°F/-5.0°C

24°F/-4.4°C

25°F/-3.9°C

26°F/-3.3°C

27°F/-2.8°C

28°F/-2.2°C

29°F/-1.7°C

30°F/-1.1°C

31°F/-0.6°C

32°F/0.0°C

33°F/0.6°C

34°F/1.1°C

35°F/1.7°C

36°F/2.2°C

37°F/2.8°C

38°F/3.3°C

39°F/3.9°C

40°F/4.4°C

41°F/5.0°C

42°F/5.6°C

Resistance(

)

8200

7888

7590

7305

7032

6771

6521

6281

6052

5832

5621

5419

5225

5000

4861

4690

4526

4369

4218

4072

3933

3799

3670

3547

3428

3344

3204

3098

2997

2899

2805

Voltage(V)

2.253

2.205

2.158

2.111

2.064

2.019

1.974

1.929

1.885

1.842

1.799

1.757

1.716

1.675

1.636

1.596

1.558

1.52

1.483

1.447

1.412

1.377

1.343

1.309

1.277

1.253

1.213

1.183

1.153

1.124

1.095

Temp.

43°F/6.1 °C 

44°F/6.7 °C

45°F/7.2 °C

46°F/7.8 °C

47°F/8.3 °C

48°F/8.9 °C

49°F/9.4 °C

50°F/10.0°C

51°F/10.6 °C

52°F/11.1 °C

53°F/11.7 °C

54°F/12.2 °C

55°F/12.8 °C

56°F/13.3 °C

57°F/13.9 °C

58°F/14.4 °C

59°F/15.0 °C 

60°F/15.6 °C 

61°F/16.1 °C

62°F/16.7°C

63°F/17.2 °C

64°F/17.8 °C

65°F/18.3 °C

66°F/18.9 °C

67°F/19.4 °C 

68°F/20.0 °C

69°F/-45.6 °C 

70°F/20.6 °C

71°F/21.7 °C

72°F/22.2 °C

73°F/22.8 °C

Resistance(

)

2714

2627

2543

2462

2384

2309

2237

2167

2100

2036

1973

1913

1855

1799

1745

1693

1642

1594

1547

1502

1458

1416

1375

1335

1297

1260

1225

1190

1157

1125

1093

Voltage(V)

1.068

1.04

1.014

0.988

0.963

0.938

0.914

0.891

0.868

0.846

0.824

0.803

0.783

0.762

0.743

0.724

0.706

0.688

0.67

0.653

0.636

0.62

0.604

0.589

0.574

0.56

0.546

0.532

0.519

0.506

0.493

Summary of Contents for RS23 SERIES

Page 1: ...RS2 3 RS2 2 RS2 1 Model SIDE BY SIDE REFRIGERATOR SAMSUNG Home Appliance Service...

Page 2: ...may result in personal injury and property damage The manufacturer or dealer cannot be responsible for the interpretation of this information SAMSUNG ELECTRONICS AMERICA INC Technical Service Guide C...

Page 3: ...nstruction on services 4 2 Warranty information 9 3 Mechanical Disassembly 14 4 Circuit Diagram 15 5 Operation Principles By Parts Of Circuit 16 6 Illustrated Parts Catalog 26 Appendix Reference for c...

Page 4: ...bled state when compared with the state before disassembly Check the surrounding conditions of the installed refrigerator When the refrigerator is located at humid or wet place or the installed state...

Page 5: ...ses for which this product was not intended altered product or serial numbers cosmetic damage or exterior finish accidents abuse neglect fire water lightning or other acts of nature use of products eq...

Page 6: ...lter 8 Damper in the Refrigerator 9 Twin cool in the Refrigerator 9 Refrigerator Thermistor 9 Door Bin in Freezer 10 Freezer Door Light Switch 10 Plastic Wire Drawer in Freezer 10 Freezer Shelf 10 Ice...

Page 7: ...motion until it disengages the locking tabs Pull the handle outward to remove it The door gasket is a molded gasket set into a channel located in the door liner 1 Open the door 2 Grasp the gasket and...

Page 8: ...goes 2 Tilt the drawer up and pull it out until it is removed The door bins allow storage of perishable items 1 Push the bin up and slide it out The water filter is located in the bottom left hand co...

Page 9: ...ver down 3 Remove the screw at the cover damper 4 Take off sensor and lamp wire connector located on the upper liner 6 Remove the damper from the refrigerator 1 Pull out the Twin cool by unlocking the...

Page 10: ...onnector and remove the switch Drawers are designed for storage of meat and dry foods The drawers are located in the lower portion of the freezer 1 Pull out the drawer as far as it goes 2 Tilt the dra...

Page 11: ...of ice tray 2 Lift the front locking tab and assemble the ice maker kit 3 Connect the ice maker wire connector 4 Match the tab holes and tabs 2 located on the top of the liner and slide the ice maker...

Page 12: ...than remove fan and protector motor 2 Remove screw located at the four corners of the fan bracket 3 Take the fan motor assembly off 1 Remove screw 6 2 Remove the assy cover multi fre 3 Remove the assy...

Page 13: ...nd outlet tubes 4 Remove the evaporator 5 Take the same steps to seal the system as mentioned earlier The freezer thermistor is located at the top left of freezer vent It sends temperature signals to...

Page 14: ...inet 2 Take the solenoids assembly out 3 Disconnect water tubes The condenser Fan is located in the middle of machine compartment It cools down the sub condenser and the compressor 1 Lift up the rib u...

Page 15: ...15 4 CIRCUIT DIAGRAM...

Page 16: ...through the diode D101 and D104 is changed to DC and provide constant 12V It provides 5V to MICOM and other circuits via regulator REG102 MC7805ACT and make entire PCB operate It is an Oscillation Ci...

Page 17: ...ailure Upon the power supply the reset terminal voltage becomes LOW for several tens of compared to Vcc voltage DC 5V at MICOM and it maintains HIGH Vcc Voltage during normal operation But when Vcc dr...

Page 18: ...es 5 volt which is recognized as door is opened and turn off the fan at different load When the door is closed the voltage goes out from R402 to Switch the MICOM is applied with OV and the door is rec...

Page 19: ...and vice versa R302 4 6 9 and C301 C303 C305 are parts for noise prevention but they are not related to temp sensing characteristics 2 If Vf is the incoming voltage to MICOM in case of F Sensor Vf eq...

Page 20: ...7 8526 Voltage V 3 773 3 729 3 685 3 64 3 594 3 548 3 501 3 453 3 405 3 356 3 307 3 258 3 208 3 158 3 107 3 057 3 006 2 955 2 904 2 853 2 802 2 751 2 7 2 649 2 599 2 548 2 498 2 449 2 399 2 35 2 301 T...

Page 21: ...n to make the damper open or close 3 Since the damper always touches the cold air DC 12V 1W heater is installed always on to prevent the malfunction from moisture and is controlled on conditions Opera...

Page 22: ...l via input terminal of IC5 KID65783AP or TD62783AP Output wave always goes through LED input terminal with DC11 12V on every period At this time if SINK signal comes out at IC4 DC11 12V is applied to...

Page 23: ...pin 15 of IC3 via coil and goes into the ground While current flows to the coil the magnetic power arise it turns on the secondary contact point inside of RY75 and operates when the AC power is suppli...

Page 24: ...in common 11 output port of IC4 gets on and the current flows into Ground making motor rotates This motor rotates the gear and rotates the ejection tray The tray twists to separate the ice from the t...

Page 25: ...n and turned on after the modification Refer to the table below the default factory values are highly recommended unless exceptional cases OP11 OP12 OP11 OP12 MODEL RS2 11 RS2 21 RS2 31 FUNTION No Cru...

Page 26: ...14 6 14 7 14 2 11 5 11 4 12 5 15 2 15 3 15 4 15 1 15 6 15 7 15 8 15 5 12 4 12 3 11 3 11 1 12 1 11 2 12 2 1 1 1 2 1 5 1 6 1 4 1 10 1 12 1 20 1 19 17 2 2 2 2 1 2 8 2 5 2 9 2 10 2 11 2 13 2 16 2 14 2 17...

Page 27: ...27 Illustrated Parts Catalog 6 2 Refrigerator 1 8 17 13 14 15 11 12 9 10 8 1 8 3 8 4 8 5 8 7 8 2 8 6 2 2 1 2 2 3 4 5 6 7 16 3 2 4 2 3 1 4 1 11 1 11 2 12 1 12 2 6 1 7 1 6 3 7 3 6 2 7 2...

Page 28: ...5 9 6 4 7 8 35 10 11 12 13 14 15 32 31 33 30 28 26 27 27 1 27 2 27 3 27 6 27 4 27 5 29 25 24 16 34 17 18 19 20 21 22 23 14 1 14 2 14 3 26 1 26 2 26 3 14 1 1 14 1 2 14 1 3 14 1 4 14 2 1 14 2 3 14 2 4...

Page 29: ...29 Illustrated Parts Catalog 6 4 DisassemblyofFreezeDoor 14 1 9 11 8 7 6 2 3 4 15 12 5 13 14 3 14 1 9 2 9 3 9 1 10 8 1 8 2 8 3 8 4 8 5 8 6 9 9 9 4 9 10 9 11 9 5 9 6 9 7 9 8 14 2...

Page 30: ...30 Illustrated Parts Catalog 6 5 Disassemblyof RefrigeratorDoor 2 1 12 11 2 4 10 13 5 6 7 9 8 12 3 12 1 12 2...

Page 31: ...SINGSLIPPEDAWAY COIL WIRESHORT COIL WIRECUT COIL WIRESHORT COIL WIRECUT COIL WIRESHORT COIL WIRECUT COIL WIRESHORT COIL WIRECUT MOTOR WIRESHORTMOTOR WIRECUTOR HOUSINGSLIPPEDAWAY MOTOR WIRESHORT MOTOR...

Page 32: ...OPEN FAULTYDRIVINGCIRCUIT RY74NOCONTACTOPEN FAULTYDRIVINGCIRCUIT RY79NOCONTACTOPEN FAULTYDRIVINGCIRCUIT RY77NOCONTACTOPEN FAULTYDRIVINGCIRCUIT RY71NOCONTACTOPEN FAULTYDRIVINGCIRCUIT RY72NOCONTACTOPEN...

Page 33: ...FAX 82 62 950 6829 ELECTRONICS Samsung Electronics Co Ltd Refrigerator Division 2004 2 Printed in Korea Code DA82 00 This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized us...

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