Pcb Circuit Diagram - Samsung B1445AVGW/YLW Service Manual

11-1. PCB CIRCUIT DIAGRAM

DGND
R21
33K
R22
33K
LVT1
450mA
1 10
1
2
3
VAR3
WHT
CN7
90019WS-03WHT 5 6
14D911D
RELAY7
AJW2211
CN5
D15
YDW236-01BLK
MM4148
RELAY6
AJW2211
D14
MM4148
1
2
3
4
5
6
CN3
7
SMW420A-08
8
CN2
+5V
1
2
3
4
R9 CE1 1K C16
SMWB250-04VWHT
R19
10K 10uF 100nF 14D561K
DGND VAR1
CN8
A
BD1
1
B
2
GRN
CM1
R6
1
100 100nF
2
3
4
CN1
5
SMW420-06
6
DGND
CN4
SMWB250-05WHT
+5V +5V
100nF
1 C6
D10
2
MM4148
3
4
5
D13
R32
CE6 4.7K
1N4148
10uF
DGND DGND DGND
2
B
YEL 1
C12
CN6A
100nF
DGND DGND
+5V
+12V
1N4007 1N4007
D11 D16 IC3
KA7805A
DGND
IN OUT
100nF GND
C10 D18
1N4007 1N4007 1N4007
D12 D17
R23 C7
CE3 CE5
2200u 100K 470uF
100nF
DGND
+12V
+5V
RELAY3
FTR-F3AA012E
MM4148
D3
DGND
VCC
9
100 R1
O7
SM2LZ47 MT2 10
MT1
C1
O6
10nF
11
TRIAC1 O5
R10 620
G 12
O4
13
O3
14
100 R2
O2
SM2LZ47 MT2 15
MT1
C2 O1
10nF
16
TRIAC2
R8 620
G KID65003AP
100 R3
SM2LZ47 MT2 MT1
C3
VCC
10nF
9
O7
TRIAC3 R7 620
G 10
O6
11
O5
12
100 R4
O4
13
SM2LZ47 MT2 MT1
C4
O3
10nF 14
TRIAC4 O2
R11 620
15
G
O1
16
KID65003AP
RELAY4
FTR-F3AA012E
MM4148
D4
RELAY5
FTR-F3AA012E
MM4148
D7
180 R20
100nF CM6
COIL1
MT2
NV2-08730 MT1 C5
100nF
R18 300
TRIAC5 G
RTE24012
3
RELAY1
1
4
5
6 1N4148
D1
2
7
R5
8
1K
RELAY2
OMIH_SH_112L
BUZZER?
1N4148 DYELE
D2
BUZZER1
WILL
+5V
R29 R30
27K 4.7K
R14 R17
D51N4007
270K 270K
R15 R16
D6 1N4007
270K 270K
TR1
MMBT3904
R27
4.7K
R13 R12 R25 R24
47K 47K 33K 33K
C8 C11 C17 CE2
100nF 10nF 100nF 10uF
DGND
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R34 2.2K
A-1
MICOM1
C27 C14 C24
100nF 100nF 100nF TMP93PS44_Q2
+5V
30
tacho
VCC1
66
57
P62
VCC2
72
VREF
10nF
75
AVCC
43
P06
44
R39
P05
12K
13 45
IC4 VSS1 P04
46
7533 28
BYTE P03
R40 100
47
29
IN OUT CNVSS P02
48
GND 31
VSS P01
49
C19 CE7 C20 73
P00
VREFL
100nF 1uF 100nF
74
AVSS
+5V +5V
25
RESET
50
P76
13
12
51
P75
DGND 14 DGND
11
52
F F P74
15
10 53
GND G G P73
16
8 9 54
I7 19 P72
DGND 17
7 8 18 55
I6 P20 SHOWER P71
18
6 7 17
I5 P21 HOT
19
5 6 16
I4 P22 PRE
20
4 5 15
I3 P23 POWER_RELAY
21
3 4 14
flat_wire_2x12p
I2 P24 MR1000
22
2 3 12
I1 P25
Motor Controll
23
1 2 11 41
P26 MAIN(COLD) P07
24
1
IC1 F1
40
P10
DGND
39
GND P11
8
I7 A-1 A
13
7 12 10 38
I6 P51 P12
D_PUMP
6 14 11
7
I5 P52 DOOR-LOCK
5 15 10
6 37
I4 P53 CW/CCW P13
4 16 9
5
I3 P54 W_HEATER
3 17 8
3 36
I2 68 P55 P14
2 18 7
2
I1 P56
1 19 6 35
1
D F P57 P15
20 5
65
P60
IC2 21
4
R46 10K 34
E P16
22 3
B B
23
2 33
P17
24 +12V +5V
1
F2
4
flat_wire_2x12p
NC3
D20
19
19 NC4 Door_Com
R44 20
CN9 R43 NC5
4.7K 4.7K 21
SMW250-06VWHT NC6
24
1
NC7
26
2
NC8
3 27
NC9
32
4
NC10
56
5
NC11
58 42
6
NC12 P33
+5V
59
NC13
60
DGND NC14
R47 R48 R49 R50
61
NC15
DGND
62
NC16 R_PUMP
68 63
1K 1K 1K 1K
68 NC17 P31
DOOR-UNLOCK
77
NC18
78 64
NC19 P32
79
NC20
80
E P66
10K 10K 10K 10K
69
R68 R69 R70 R71
D P67 TX
8
RX
DGND
9
76
P70
70
+5V F P27
71
D9
G P30 XOUT
D8
23
67
1N4148
A P63 zero cross
1N4148
F
C21
XIN
10nF
22
G
B
DGND
C9
1nF
CE4 C23 C25
10uF 100nF 100nF
28
+5V
R35
4.7K
R28 2.2K
TR2
MMBT3904
C13 R33 C15
10nF 4.7K 10nF
IC7
DGND
KIC7S14FU 20
5
1
NC
Vcc
19
2
IN B
C26
3
GND
OUT
4 18
IC8
KID65003AP 17
DGND
1 16
I1 O1
16
2 15 330
R55
I2 O2
3 14 330
R56
I3 O3
15
4 13 330
R57
I4 O4
5 12 330
R58
I5 O5
6 11 330
R59
I6 O6
7 10 330
R60
I7 O7
14
8
9
GND
VCC
330
R61
13
IC9
DGND
KID65003AP
12
1 16
I1 O1
2 15 330
R62
I2 O2
11
3 14 330
R63
I3 O3
4 13 330
R54
I4 O4
5 12 330 10
R53
I5 O5
6 11 330
R52
I6 O6
7 10 330 9
R51
I7 O7
8
9
GND VCC
8
7
DGND
KID65783AP
1 2 3
1 18
I1 O1
2 17
I2 O2
3 16
I3 O3
4 15
IC6 I4 O4
5 14
I5 O5
6 13
I6 O6
7 12
I7 O7
8 11
I8 O8
9 10
VCC GND
+12V
DGND
+12V
D21 D22 D23 D24 D25 D26 D27 D19
KSR2105
1N4148
TR4
TR3
KRC246S
DGND
SW7 SW1 SW2 SW3 SW4 SW5 SW9 SW8 SW6
R45 R36
100 4.7K
+5V
C22
DGND
4.7nF
R65
4.7K
ENCO1
R64
4.7K
1
A
R66 1K
2
B
3
C
R67 1K
4
D
C28 C29 PA-1005A-003
10K
4.7nF 4.7nF
R37
DGND
SDA
5
SCL
6
WP
7
VCC
8
R42 RESO1
1M 16MHZ
DGND
CSQ-7554EAG-TS2
DISPALY1
LED12 LED10 LED1
LED13 LED9 LED2
LED11 LED3
LED14 LED8 LED7
LED5 LED6 LED4
4 5 6
+5V
10K
R38
VSS
4
C18
A2
100nF
3
A1
2
A0
1
DGND