LG GR-559JPA Service Manual page 33

7-2-6 SWITCH INPUT CIRCUIT
* The circuit shown below is the input circuit to detect the signals of the test S/W for checking the refrigerator.
7-2-7 TEMPERATURE COMPENSATION & OVERCOOLING/UNDERCOOLING COMPENSATION CIRCUIT
1. The circuits for less cooling and overcooling compensation in a refrigerator compartment
OVER COOLING
COMPENSATION
JCR1 JCR2
CUT
CUT CUT
CUT
CUT
CUT CUT
CUT
• The above OPTION circuit is to compensate refrigerator temperature by simply cutting during service.
CUT
LESS COOLING
COMPENSATION
JCR3 JCR4
CUT
CUT CUT
CUT
CUT
CUT
CUT CUT
- 33 -
REFRIGERATOR TEMPERATURE
COMPENSATION VALUES
+1°C
+2°C
-1°C
-2°C
0°C
0°C
+1°C
-1°C
0°C(AT FACTORY)
REMARKS