Circuit Diagram Of Internal Electronic Control (Led) - LG LTN16385PL Service Manual

7-3 CIRCUIT DIAGRAM OF INTERNAL ELECTRONIC CONTROL (LED)

CON1
7
5
RUNNING CAPACITOR
COMP
OLP
3
PTC START
M
COOLING FAN MOTOR
M
FAN MOTOR
1
FUSE-M L-CORD-HEATER
A B
3 4
1 2
R-DOOR S/W LAMP-R
REFRIGERATOR ROOM COMPENSATION
TEMP'
REF' ROOM
REMARK
RCR1
RESISTANCE
180KJ +2.5 C
56KJ +2.0 C
33KJ +1.5 C
WARMER
18KJ +1.0 C
12KJ
+0.5 C
10KJ
0 C STANDARD
8.2KJ -0.5 C
5.6KJ
-1.0 C
3.3KJ -1.5 C
-2.0 C
2KJ
470J -2.5 C
- 27 -
TRANS
1N4007*4
IC2
7812
VA1
+ +
CE1
CE2
INR
1000uF
680uF
14D331
/35V
/25V
RY1
ALE15B12
D6
IN4004
Q2
C3198
R2
27K
RY2
G5NB-1A-E
D7
IN4148
Q4
C3198
R4
27K
BUZZER
PQ272207PL-20C-2000
BUZZER
R6
1K
CC5
104
COLDER
D5 IC3
28
Vdd(Varef)
7805
IN4007
+ +
CE3 CC1 CC2 CE4 CC3
470uF 223 223 220uF 104
/16V
/25V
14 Vss
3
TEST
12
P50
R1
(TC3)
2.7K
Q1
KRA106
11
P67
R3
(AIN7)
2.7K
Q3
KRA106
IC5-2
M54563
18 1
10
P66
(AIN6)
R5
220
+
CE5
47uF
/25V
16 1 22
P13
(DVO)
IC6-2
KID65003
OSC1
CST4.00MGW
2
XIN
R7
1M
1
XOUT
IC4 R8
4.7K
27
KIA7042P RESET
CC4
104
TEMPERATURE
COMPENSATION OPTION
R9
10K
P61
5
(AIN1)
RCR1
10K
CIRCUIT DIAGRAM CIRCUIT DIAGRAM CIRCUIT DIAGRAM
(Vass)