Pwb Diagram - LG LRFD22850ST Service Manual

8-6 PWB DIAGRAM

8-6-1 PWB Main Assembly
POWER
ICE MAKER
BD1
D3SBA60
CM2
470nF
275VAC
R2
560KJ
1/2W
L2
32mH/0.5A
R1
FUSE1
250V/2A
L1
5mH/4A
CM1
470nF
275VAC
CON1
9
VA1
7
5
3
RUNNING CAPACITOR
CON2
STARTING CAPACITOR COMP
OLP
1
PTC START
M
COOLING-FAN
1
DEF-HEATER FUSE-M
nc com 3
LAMP-F
A
B
com
nc
DOOR S/W-F
5
nc
com
LAMP-R
C
D
nc com
DOOR S/W-R1&R2
M
7
WATER VALVE
CON3
RC-FILTER
5
3
FRENCH DOOR
HEATER
M
1
VALVE II
RC-FILTER
TEMP.COMPENSATION (REPLACING RCR1)
RESISTANCE OF COLD-STORAGE ROOM
RCR1 TEMP. COMPENSATION
180KJ +2.5 C
56KJ +2 C
+1.5 C
33KJ
18KJ +1 C
12KJ
+0.5 C
10KJ 0 C
8.2KJ
-0.5
5.6KJ
-1 C
-1.5 C
3.3KJ
-2 C
2KJ
470J -2.5
- 42 -
TRANS
D3
RL2
1
10
R3
CM3
CE1
56KJ
473
47uF +15.5V
2W
/630V
/450V
D1
12
FB1 FR107
2
D4
RL2
D2
FR107
R5*
5
100J
R4 CE4
CE2 680uF
6.8KJ
47uF /35V
/50V
4
4
4
IC3-1
1
3 8
2
R6*
680J
IC2
5
STR
CC1
G6551
Rocp
471
3
CC2
221
/2KV
RY1
ALZ21B12
D7
1N4004
RY2
G5NB-1A
RY3
G5NB-1A
RY4
G5NB-1A
RY5
G5N-1A
RY6
G5N-1A
OSC1
CSTS0400MG03
NOTE
CC6
104
WARMER
R15*
10KJ
FACTORY
C
RCR1
10KJ
COLDER
C
1,2,3,4,5,8,14-16,29,30,35,40,41
12V
R7*
1.8KJ
RL1*
9.1KF
IC3
CM4
R8*
103/100V
1KJ
CE3
680uF
/25V
RL2*
2.4KF
IC4
KIA431
5V
IC5
22
VDD
7805 Varef
42
CE5
CC3 CC4 CC5*
220uF
104 104 104
/16V
21 Vss
Vass
17
TEST
IC6
KID65003AP
9
10
4
13
P06
11
3
14
P05
14
6
11
P02
13
1
16
P03
12
2
15
P04
9
5
12
P07
8
19
XIN
20
XOUT
IC7
18
1 3
RESET
KIA7042
CC7
2
104
27
P64