LG GR-K18PBS Service Manual - Page 20

Storing, temperature, compensation, over-cool/under-cool, circuit

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MICOM function and circuit description 5-2-9. Storing temperature compensation and over-cool/under-cool cut compensation circuit (1) Storing temperature compensation RCL Foiv10K RCR 10K R19 R20 10K 10K Y22EY0 fr't Y2STYg 7 P63 (AIN4) 8 P64 (AIN4) IC1 (MID:1M) ► This is the circuit to input the temperature compensation level required for adjusting storage temperature at the left or right compartment. Left compartment Right compartment Temperature (RCL) (RCR) compensation value Remarks 180 KEI +2.5 `C Warmer 56 KO. +2.0'C 33 KO +1.5'C 18 Kr2. +1.0'C 12 KO +0.5'C 10 KCl 0'C Standard temperature 8.2 KQ -0.5'C 5.6 KO. -1.0 •C 3.3 KO. -1.5'C 2 KQ -2.0'0 Cooler 470 Q -2.5"C Ilo• Temperature compensation table by adjustment of resistance value (difference against current temperature) Ex) If you change the resistance of compensation at the left compartment (RCL) from 10Ka (current resistance) to 18KO. (adjusted resistance), the storage temperature in the left compartment will be increased by 1 °C. Modified Classification resistance Current \ 470 9 2 KO resistance \ 470W/ No change 05CUP 3.3 Kil 1C UP 5.6 K11 8.21(4 1.5C UP 2'O UP 10 KO a5C UP Left compartment (R C L.) 2Ka 115`e DOWN Node 1/5CUP it UP 1.5tUP 2C UP 3,3 K11 1CDOM 0.5CDOWNNo change 0.5C UP 1'CUP 1St UP 5.6 KC1 1.5C DOWN 193DOWN 0.50 DOWN No change 0.5CUP 1C UP .,. 8.2 Kil 2C DOM! 1.5C DOWN 1CDOWN 0.5CDOWN No change 0.5C UP 12104 18 KO. 33 KO 3CUP 35tUP 4C UP 2.5CUP 3CUP 3.5CUP ,. 2 UP 2.54OUP 390UP 1.59 UP 296UP 2.5'0UP 1CUP 15'0UP 2CUP 56 KQ 45,O UP 4C UP 3.546 UP 3S UP 25C UP 180 KO 5C UP 4.5C UP ar UP a5.c UP 3C UP 101(4 25C DOWN 2C DOWN 1.5C DOWN 1C DOWN 7.5CDOWN No change 0.5C UP 1CUP 1.5CUP 2CUP 25C UP Right compartment (RCR) 12KQ 3C DOWN 2.5C DOWN 24ODOWN 1.5C DOWN 1CDOWN 0.590 DOWN Nochange 0.5C UP 1CUP 1.5tUP 18Kfl 3.5C DOWN 3CDOWN 2.5tDOWN 2C DOWN 1.5tDOWN 1CDOWN 0.5C DOWN No change 0.5CUP 1'0UP 33Kfl 4C DOWN 3,59ODOWN 3`CDOWN 2590DOWN 2`CDOWN 1.5t DOWN VC DOWN 0.5C DOWN No change O596UP 2C UP 1.5C UP 1t UP 56Kit 4.5C DOWN 4CDOWN 3.5CDOWN 390 DOWN 2.5`CDOWN 2`eDOWN 1.5`C DOWN VCDOWN 05`CDOWN %change 0.50UP 180 Kit 5C DOWN 4.5C DOWN 4CDOWN 3.590DOWN 3'ODOWN 2.590 DOWN 2C DOWN 1.5C DOWN 1t DOWN 0.5C DOWN No change -20-

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MICOM
function
and
circuit
description
5-2-9.
Storing
temperature
compensation
and
over-cool/under-cool
cut
compensation
circuit
(1)
Storing
temperature
compensation
RCL
R19
10K
R20
10K
Y22EY0
7
P63
(AIN4)
P64
(AIN4)
IC1
(MID:1M)
Foiv-
f
r
't
Y2STYg
8
10K
RCR
10K
►
This
is
the
circuit
to
input
the
temperature
compensation
level
required
for
adjusting
storage
temperature
at
the
left
or
right
compartment.
Left
compartment
Right
compartment
Temperature
compensation
value
Remarks
(RCL)
(RCR)
180
KEI
+2.5
`C
Warmer
56
KO.
+2.0'C
33
KO
+1.5'C
18
Kr2.
+1.0'C
12
KO
+0.5'C
10
KC
l
0'C
Standard
temperature
8.2
KQ
-0.5'C
Cooler
5.6
KO.
-1.0
•
C
3.3
KO
.
-1.5'C
2
KQ
-2.0'0
470
Q
-2.5"C
Ilo•
Temperature
compensation
table
by
adjustment
of
resistance
value
(difference
against
current
temperature)
Ex)
If
you
change
the
resistance
of
compensation
at
the
left
compartment
(RCL)
from
10Ka
(current
resistance)
to
18KO.
(adjusted
resistance),
the
storage
temperature
in
the
left
compartment
will
be
increased
by
1
°C.
Classification
Modified
resistance
470
9
2
KO
3.3
Kil
5.6
K11
8.21(4
10
KO
12104
18
KO.
33
KO
56
KQ
180
KO
Current
\
resistance
\
470W/
No
change
05C
UP
1C
UP
1.5C
UP
2'O
UP
a5C
UP
3C
UP
35t
UP
4C
UP
45
,
O
UP
5C
UP
Left
2Ka
115`e
DOWN
Node
1/5C
UP
it
UP
1.5t
UP
2C
UP
2.5C
UP
3C
UP
3.5C
UP
4C
UP
4.5C
UP
compartment
,.
(R
C
L.)
3,3
K11
1C
DOM
0.5C
DOWNNo
change
0.5C
UP
1
'CUP
1St
UP
2
UP
2.54O
UP
3
9
0
UP
3.5
4
6
UP
ar
UP
5.6
KC1
1.5C
DOWN
193
DOWN
0.
50
DOWN
No
change
0.5C
UP
1C
UP
1.59
UP
296
UP
2.5'0
UP
3S
UP
a5.c
UP
.,.
8.2
Kil
2C
DOM!
1.5C
DOWN
1C
DOWN
0.5C
DOWN
No
change
0.5C
UP
1C
UP
15'0
UP
2C
UP
25C
UP
3C
UP
10
1(4
25C
DOWN
2C
DOWN
1.5C
DOWN
1C
DOWN
7.5C
DOWN
No
change
0.5C
UP
1C
UP
1.5C
UP
2C
UP
25C
UP
12
KQ
3C
DOWN
2.5C
DOWN
2
4
O
DOWN
1.5C
DOWN
1C
DOWN
0.5
9
0
DOWN
No
change
0.5C
UP
1C
UP
1.5t
UP
2C
UP
Right
compartment
18
Kfl
3.5C
DOWN
3C
DOWN
2.5t
DOWN
2C
DOWN
1.5t
DOWN
1C
DOWN
0.5C
DOWN
No
change
0.5C
UP
1'0
UP
1.5C
UP
(RCR)
33
Kfl
4C
DOWN
3,5
9
O
DOWN
3`C
DOWN
25
9
0
DOWN
2`C
DOWN
1.5t
DOWN
VC
DOWN
0.5C
DOWN
No
change
O596
UP
1t
UP
56
Kit
4.5C
DOWN
4C
DOWN
3.5C
DOWN
3
9
0
DOWN
2.5`C
DOWN
2`e
DOWN
1.5`C
DOWN
VC
DOWN
05`C
DOWN
%change
0.
50
UP
180
Kit
5C
DOWN
4.5C
DOWN
4C
DOWN
3.5
9
0
DOWN
3'O
DOWN
2.5
9
0
DOWN
2C
DOWN
1.5C
DOWN
1t
DOWN
0.5C
DOWN
No
change
-20-