LG GR-M652Y*A Service Manual page 41

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.
LESS COOLING
COMPENSATION
JCR3 JCR4
CUT
CUT CUT
CUT
CUT
CUT
CUT CUT
- 41 -
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