LG GR-J303TS Service Manual page 24

(2) Too Cold/Too Warm Cut Compensation Circuit.
Upper compartment
compartment
cut compensation
temperature
Too cold Too warm
compensation
compensation compensation
Frozen
JCF1 JCF2
Food
CUT +2 °C
CUT -2 °C
CUT CUT 0 °C
(When shipping
from factory)
u The cut compensation circuit compensates the keeping temperature of the upper/middle/lower compartment by simply
cutting it out of service for a brief period.
Upper Middle compartment
cut compensation
Too cold Too warm
compensation compensation
value
The
JCT1 JCT2
others
+1 °C CUT
-1 °C CUT
0 °C CUT CUT
0 °C
Lower compartment
cut compensation
Middle
compartment
Too cold
temperature
compensation
compensation
value
JCB1
+1 °C CUT
-1 °C
0 °C CUT
0 °C
(When shipping
from factory)
- 24 -
Lower
compartment
Too warm
temperature
compensation
compensation
value
JCB2
+1 °C
CUT -1 °C
CUT 0 °C
0 °C
(When shipping
from factory)