Bosch B20CS50 Series Service Manual page 17

4-9. Compensation of R-sensor ON/OFF Temp.
Compensation of R-sensor ON/OFF temp. (down)
In case temperature of refrigerator compartment is weak or insufficient,
take the following action.
R36
(31.4㏀)
R37
(2㏀)
R38
(2㏀)
R36 : R-SENSOR standard resistance in normal mode (31.4㏀)
In case of weak ref.
1) Cut J18 to increase the standard resistance by 2㏀ ⇒ 1.5℃ down
2) Cut J18 & J19 to increase the standard resistance by 4㏀ ⇒ 3℃ down
J18
J19
Temperature
compensation
Resistance
INPUT
Main PCB
CONTENTS
R-SENSOR
J19
J18
-
-
0℃ -1.5℃
R36 R36+R37
31.4㏀ (31.4+2)㏀
Resistance of R-sensor
ON/OFF Temp. of Refrigerator
J18,19
cut -
- cut
0℃
R36
31.4㏀
16
CONTROL OBJECT
cut
cut
3℃
R36+R37+R38
(31.4+2+2)㏀
REMARKS