EXPLATION FOR MICOM CIRCUIT

uTemperature compensation table at the refrigerator is as follows:

Modification

 

 

 

 

 

 

 

 

 

 

 

resistance

470 Ω

2 kΩ

3.3 kΩ

5.6 kΩ

8.2 kΩ

10 kΩ

12 kΩ

18 kΩ

33 kΩ

56 kΩ

180 kΩ

Current

 

 

 

 

 

 

 

 

 

 

 

resistance

 

 

 

 

 

 

 

 

 

 

 

 

No

0.5 °C

1 °C

1.5 °C

2 °C

2.5 °C

3 °C

3.5 °C

4 °C

4.5 °C

5 °C

470Ω

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

[3.6 °F]

[4.5 °F]

[5.4 °F]

[6.3 °F]

[7.2 °F]

[8.1 °F]

[9 °F]

 

change

Up

Up

Up

Up

Up

Up

Up

Up

Up

Up

 

0.5 °C

No

0.5 °C

1 °C

1.5 °C

2 °C

2.5 °C

3 °C

3.5 °C

4 °C

4.5 °C

2 kΩ

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

[3.6 °F]

[4.5 °F]

[5.4 °F]

[6.3 °F]

[7.2 °F]

[8.1 °F]

 

Down

change

Up

Up

Up

Up

Up

Up

Up

Up

Up

 

1 °C

0.5 °C

No

0.5 °C

1 °C

1.5 °C

2 °C

2.5 °C

3 °C

3.5 °C

4 °C

3.3 kΩ

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

[3.6 °F]

[4.5 °F]

[5.4 °F]

[6.3 °F]

[7.2 °F]

 

Down

Down

change

Up

Up

Up

Up

Up

Up

Up

Up

 

1.5 °C

1 °C

0.5 °C

No

0.5 °C

1 °C

1.5 °C

2 °C

2.5 °C

3 °C

3.5 °C

5.6 kΩ

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

[3.6 °F]

[4.5 °F]

[5.4 °F]

[6.3 °F]

 

Down

Down

Down

change

Up

Up

Up

Up

Up

Up

Up

 

2 °C

1.5 °C

1 °C

0.5 °

No

0.5 °C

1 °C

1.5 °C

2 °C

2.5 °C

3 °C

8.2 kΩ

[3.6 °F]

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

[3.6 °F]

[4.5 °F]

[5.4 °F]

Refrigerator

Down

Down

Down

Drop

change

Up

Up

Up

Up

Up

Up

(RCR1)

2.5 °C

2 °C

1.5 °C

1 °C

0.5 °C

No

0.5 °C

1 °C

1.5 °C

2 °C

2.5 °C

10 kΩ

[4.5 °F]

[3.6 °F]

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

[3.6 °F]

[4.5 °F]

 

Down

Down

Down

Down

Down

change

Up

Up

Up

Up

Up

 

3 °C

2.5 °C

2 °C

1.5 °C

1 °C

0.5 °C

No

0.5 °C

1 °C

1.5 °C

2 °C

12 kΩ

[5.4 °F]

[4.5 °F]

[3.6 °F]

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

[3.6 °F]

 

Down

Down

Down

Down

Down

Down

change

Up

Up

Up

Up

 

3.5 °C

3 °C

2.5 °C

2 °C

1.5 °C

1 °C

0.5 °C

No

0.5 °C

1 °C

1.5 °C

18 kΩ

[6.3 °F]

[5.4 °F]

[4.5 °F]

[3.6 °F]

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

[2.7 °F]

 

Down

Down

Down

Down

Down

Down

Down

change

Up

Up

Up

 

4 °C

3.5 °C

3 °C

2.5 °C

2 °C

1.5 °C

1 °C

0.5 °C

No

0.5 °C

1 °C

33 kΩ

[7.2 °F]

[6.3 °F]

[5.4 °F]

[4.5 °F]

[3.6 °F]

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

[1.8 °F]

 

Down

Down

Down

Down

Down

Down

Down

Down

change

Up

Up

 

4.5 °C

4 °C

3.5 °C

3 °C

2.5 °C

2 °C

1.5 °C

1 °C

0.5 °C

No

0.5 °C

56 kΩ

[8.1 °F]

[7.2 °F]

[6.3 °F]

[5.4 °F]

[4.5 °F]

[3.6 °F]

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

[0.9 °F]

 

Down

Down

Down

Down

Down

Down

Down

Down

Down

change

Up

 

5 °C

4.5 °C

4 °C

3.5 °C

3 °C

2.5 °C

2 °C

1.5 °C

1 °C

0.5 °C

No

180 kΩ

[9 °F]

[8.1 °F]

[7.2 °F]

[6.3 °F]

[5.4 °F]

[4.5 °F]

[3.6 °F]

[2.7 °F]

[1.8 °F]

[0.9 °F]

 

 

Down

Down

Down

Down

Down

Down

Down

Down

Down

Down

change

uTemperature compensation at the freezer is performed the same as at the refrigerator. The value for the freezer is twice that of the refrigerator.

uThis circuit enters the necessary level of temperature compensation for adjusting the appliance. The method is the same for every model in this appliance family.

- 36 -

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Image 38
LG Electronics GR-P227/L227, GR-P257/L257 service manual 33 k Ω 56 k Ω
Page 37 Page 39
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