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5) TEMP SENSOR CIRCUITS
R67
(AN7)
R65
(AN5)
R64
(AN4)
CClO_
223/?[ 7
\\\
T RF3
R19 _ 261KF
2K
CON3 CON101
RT SENSOR
(RT-SENSOR)
@
\\\
_,_ CON4
RF2
10 R16 26.1KF
cc8_ "_' 4 _ D SENSOR
\ (DEFROST SENSOR)]
_RFI
R15 _162KF 2
cc71 F SENSOR
(FREEZER COMPARTMENT
223 f?[7 1 SENSOR)
The above circuit reads the surrounding temperature, DEFROSTING temperature and FREEZER ROOM temperature into
MICOM(ICl). OPEN or SHORT state of each SENSOR is as follows.
SENSOR CHECK POINT '4ORMAL (_30°C-50°C) SHORT OPEN
ROOM TEMPERATURE POINT(_Voltage
SENSOR
DEFROST SENSOR POINT(_)Voltage 0.5V - 4.5V 0V 5V
FREEZER SENSOR POINT @Voltage
6) SWITCH INPUT CIRCUIT
The following circuit isa test switch input circuitfor checking the refrigerator.
ICl R56 _s TEST S/W
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