LG GR-L207WVS Service Manual page 47

EXPLATION FOR MICOM CIRCUIT
u Temperature compensation table at the freezing room is as follows:
Change
J1: 5.1 kΩ J1: 3.9 kΩ J1: 2.7 kΩ J1: 1.8 kΩ J1: 910 Ω J1:
resistance
Now
J2:
resistance
J1: 5.1 kΩ Not
J2: . compensate
J1: 3.9 kΩ
1 °C ↓
J2: .
J1: 2.7 kΩ
2 °C ↓
J2: .
J1: 1.8 kΩ
3 °C ↓
J2: .
J1: 910 Ω
4 °C ↓
Freezing J2: .
room
J1: .
5 °C ↓
[(R)J1, (R)J2] J2: .
J1: .
6 °C ↓
J2: 1.2 kΩ.
J1: .
7 °C ↓
J2: 2.4 kΩ.
J1: .
8 °C ↓
J2: 3 kΩ.
J1: .
9 °C ↓
J2: 5.1 kΩ.
J1: .
10 °C ↓ 9 °C ↓
J2: 6.2 kΩ.
. J2: . J2: . J2:
↑ 2 °C ↑ 3 °C ↑
1 °C
Not
1 °C ↑ 2 °C ↑
compensate
Not
1 °C ↓ 1 °C ↑
compensate
Not
2 °C ↓ 1 °C ↓
compensate
3 °C ↓ 2 °C ↓ 1 °C ↓
4 °C ↓ 3 °C ↓ 2 °C ↓
5 °C ↓ 4 °C ↓ 3 °C ↓
6 °C ↓ 5 °C ↓ 4 °C ↓
7 °C ↓ 6 °C ↓ 5 °C ↓
8 °C ↓ 7 °C ↓ 6 °C ↓
8 °C ↓ 7 °C ↓
. J1:
. J2: . J2: . J2: 1.2 kΩ J2: 2.4 kΩ J2: 3 kΩ J2: 5.1 kΩ J2: 6.2 kΩ
4 °C ↑ 5 °C ↑ 6 °C ↑
3 °C ↑ 4 °C ↑ 5 °C ↑
2 °C ↑ 3 °C ↑ 4 °C ↑
1 °C ↑ 2 °C ↑ 3 °C ↑
Not
1 °C ↑ 2 °C ↑
compensate
Not
1 °C ↓ 1 °C ↑
compensate
Not
2 °C ↓ 1 °C ↓
compensate
3 °C ↓ 2 °C ↓ 1 °C ↓
4 °C ↓ 3 °C ↓ 2 °C ↓
5 °C ↓ 4 °C ↓ 3 °C ↓
6 °C ↓ 5 °C ↓ 4 °C ↓
- 47 -
. J1: . J1: . J1:
7 °C ↑ 8 °C ↑ 9 °C ↑
6 °C ↑ 7 °C ↑ 8 °C ↑
5 °C ↑ 6 °C ↑ 7 °C ↑
4 °C ↑ 5 °C ↑ 6 °C ↑
3 °C ↑ 4 °C ↑ 5 °C ↑
2 °C ↑ 3 °C ↑ 4 °C ↑
1 °C ↑ 2 °C ↑ 3 °C ↑
Not
1 °C ↑ 2 °C ↑
compensate
Not
1 °C ↓ 1 °C ↑
compensate
Not
2 °C ↓ 1 °C ↓
compensate
3 °C ↓ 2 °C ↓ 1 °C ↓
. J1: .
10 °C ↑
9 °C ↑
8 °C ↑
7 °C ↑
6 °C ↑
5 °C ↑
4 °C ↑
3 °C ↑
2 °C ↑
1 °C ↑
Not
compensate