LG GR-B197GVQ Service Manual page 35

2) GR-B207ERA,
GR-B247ERA
The above circuits
are
circuits attached
to
freezer
sensor or
refrigerator
sensor
for
adjusting setting temperature at
the
freezer and refrigerator, icemaking
sensor
for sensing water
temperature
in
icemaking,
or an
evaporator
for sensing
temperature
of
a
frost removal
sensor
necessary for frost removal. Short
or open
status
of every
temperature
sensor
is
as
follows:
EXPLANATION FOR MICOM CIRCUIT
-35-
SENSOR CHECK POINT NORMAL
(-30
°C
~
50 °C) INSHORT IN OPEN
Freezing
sensor
POINT A
Voltage
Frost removal
sensor
POINT B
Voltage
Cold
storage
sensor
1
POINT C
Voltage
0.5 V~4.5 V
0V 5V
Cold
storage
sensor
2 POINT D
Voltage
Room
temperature sensor
POINT E
Voltage