DAEWOO ELECTRONICS FRN-U20IC Service Manual page 20

4-8. Compensation of R-sensor ON/OFF Temp.
Main PCB
Compensation of R-sensor ON/OFF temp. (down)
In case temperature of refrigerator compartment is weak or insufficient,
take the following action.
FRS(N)-U20IC
R-SENSOR
R36
R37
R38
J2
J2
J1
※
R-SENSOR standard resistance in normal mode (31.4K)
(1)
In case of weak ref., cut J1 (or J18) to down the standard resistance by 1.5deg(2K)
(2)
In case of weak ref., cut J2 (or J19) to down the standard resistance by 1.5deg(2K)
FRS(N)-U20IC
M
o FRS(N)-U20BC
d
e
FRS(N)-U20DC/FC
l
Temperature
compensation
INPUT
J1
J1 -
J2 -
J1 -
J2 -
J18 -
J19 -
0℃
Resistance of R-sensor
ON/OFF Temp. of Refrigerator
CONTENTS
FRS(N)-U20BC
R-SENSOR
R35
R36
R37
J2
J1
J2
J1
cut
-
cut
-
cut
-
-1.5℃
19
CONTROL OBJECT
FRS(N)-U20DC/FC
R-SENSOR
R36
R37
R38
J19
J18,19
cut
cut
cut
cut
cut
cut
3℃
J18