LG GR-K18PBS Service Manual - Page 18

Switch, input, circuit

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5-2-5. Switchinput circuit itch signal to check the refrigeratflr. P13 0 TEST - I t• it I:I-. iille_sensimkuilL The following temperature-beeeeF circuit consists of a sensor to detect the outside (ambient) temperature and sensors in the fight mpartmentsforstoring and seasoning-Kirnctri erstatosof-eacirsensorTwhetheropen or shortedTis-showri- below. CON2 mAD R1-SENSOR 2 CIE l__65,_T - - CON3 it R2-SENSOR 3 Or dfd) Go 1 cm 114 rn /my 24 (1° III3 1N at IRS ILINFV ) 2K 1 cc* Z '23 I MO Z 223 4 Pe0 (AR40) (AINVVARPhi " 5 711) NNW 1 c02 Z - RNEr 2, C012 CON101 2 2 ,E- - t:_FA /' f77 5 5 -MD- - - rrr-sernote iSq71g 4i) Sensor Left compactment-sensor - Right comperirFier Outside sensor Check point OINT POINT ©Voltage Normel(-30"O.50 Shot led Open

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5-2-5.
Switch
input
circuit
itch
signal
to
check
the
refrigeratflr.
P13
-
I
t•
it
I:I-.
iille_sensimkuilL
0
TEST
The
following
temperature-beeeeF
circuit
consists
of
a
sensor
to
detect
the
outside
(ambient)
temperature
and
sensors
in
the
fi
ght
mpartmentsfor
storing
and
seasoning
-
Kirnctri
erstatosof
-
eacir
sensorTwhether
open
or
shortedTis
-
showri
-
below.
C012
CON101
CON2
2
2
R1
—SENSOR
CIE
mAD
l__
65
,_T
2
2
4
,E—
— —
CON3
cc*
it
RNEr
"
R2
-SENSOR
3
Z
'
23
(AINVVAR
P
hi
5
5
—MD—
Or
dfd)
a
t
t_
rrr-sernote
Go
1
cm
Z
—
Sensor
Check
point
Norm
el
(-30
"O.50
Shot
led
Open
Left
compactment-sensor
OINT
-
Right
comperir
Fier
Outside
sensor
POINT
©Voltage