Schematic Diagram; Main Control (Wa5471* / Wa5451*) - Samsung WA5451AB Series Service Manual

7. SCHEMATIC DIAGRAM

7-1. MAIN CONTROL (WA5471* / WA5451*)

► This Document can not be used without Samsungs authorization.
AC1-1
CN7
AC1-1
1
2
YDW236-02
RED 3
N L BD1
4 1
600V
15A
JP2
2
F1
1
JUMP
AC2 AC1 12A
250V 1 JUMP
GXX
JP1
AGND
CN6
AC1 1
2
AC2-1
AC2-1
3
AC2-1
WHT
90019WS-03WHT
+12V-IS
RY12
AC2 4 1
AC2 AC2
AC2-1 3 2
AC2-1
PCF-112D2M
Q6
KSC2328A
1W
GND
100
RY13 1
4 1
1
100
3 2
Washer Heater D25
1N4148WS
PCF-112D2M
R146
1 2
150 J 0.5W
F2
AC1-1 AC1-1
1 2
250V
1.6A
R147
1 2
150 J 0.5W
R145
1 2
150 J 0.5W
R144
1 2
150 J 0.5W
COLD 3
HOT 2
RINSE 1
CN4
BLITCH 4 1 10 JP3
2 9
DRAIN-PUMP 9
3 8 0
CLUTCH-MOTOR
8 4 7
5 6
PUMP
7
NTR
6
CLUTCH_OUT
CLUTCH_SIG CLUTCH_OUT
5 10
4 9
3 8
2 7
1 6
CN3
Door Lock
1
2
3
UNLOCK 4
5V_1
LOCK
5
REED SUB_REED
6
5V_1
7
WHT
GND
34 _ Schematic Diagram
+15V
DC_LINK DC_LINK
PTC1
T1 D23 +15V
1 10 1
1 2 1 2 IN
2.7 27 ES3D
1 2 9 CE12
R125 C51 1000uF
100K 1nF 25V
1W
1KV
1 2
1 3 8
CE14 R129 2 C45
820uF 470k R89 50V
250V 0.5W D26 R112 0.25W 100nF
4 7
AGND 1K
1 2 2 1
US1M
2 27 J 0.25W
2 D24
5 6
US1M
D22
2 DYT-00673
US1M
1
CE13 R128
820uF 470k 0.5W C47 CE10 AGND AGND AGND
250V 0.5W 27V 100nF 22uF
1 1
ZD1 50V 50V C50 C49
2.2nF 2.2nF
2 STR-A6079M 400V 400V
2 2
AGND AGND
PC15
R94
4 1 +15V
1 2
4.7J 0.25W 1
C44
10nF
3 2
50V AGND R91
0.1W
2 PS2561AL C40 10K
100nF
50V R90
1
AGND 10K J 0.1W
IC11
TL431AILP
+5V-IS
+5V-IS R93
0.1W
2K
2
AGND
C R9 Q7 2
3 D5
B
2 1
E 0.1W 1K AGND
G PC4 R43
1 R6 4 1
1 WATCH_DOG 2
0.1W I WATCH_DOG
1
10K O 2K 0.1W
3 RN2427
0.2W
3 2
PS2561AL
R10 AGND
GND
0.1W
100
1
CE20
22uF
50V
POWER_ON POWER_ON
2
GND
R124
0.25W +15V
2
+15V
2
R122
0.25W
3
C
2
Q19 B HEATER_ENA HEATER_ENA
KRC246S
0.2W
E
+5V
1
Q20 2
PR33MF51YPLF
+15V G
R25
1 2 3 I 1 WASHER_HEATER
WASHER_HEATER
O
620 J 1W C
+15V RN2427
B 2 3
Q18 0.2W
KRC246S
TE3 0.2W E
PR33MF51YPLF
R24 R148
1
0.1W
1 2
100
620 J 1W
1
AGND C73
TE4 1uF
25V
PR33MF51YPLF
2
R23
1 2
620 J 1W AGND
TE1 IC6
16 1
PR33MF51YPLF O1 I1
15 2
EL_COMMON EL_COMMON EL_COMMON1
R26 O2 I2
14 3 EL_COMMON1
COLD
1 2 O3 I3
13 4 COLD
620 J 1W HOT
O4 I4
HOT
12 5
O5 I5 RINSE
RINSE
11 6
TE2 O6 I6 BLITCH
BLITCH
+15V 10 7
O7 I7
SSR1 R75 9 8
+15V
1 3 VCC GND
2 1
0.25W 220 2003
1W
AGND
2 4 EL_COMMON
EL_COMMON
AQG22212
RY8 R80
1 4
1 2
0.25W 220
5
D18
1N4148WS
2 3
PCJ-112D3MH
RY9 R78
1 4 IC9
1 2
0.25W 220 16 1
O1 I1 DRAIN
DRAIN
5 D19 15 2
O2 I2 CLUTCH
1N4148WS CLUTCH
2 3 14 3
PUMP
O3 I3
13 4 PUMP
PCJ-112D3MH SPARE
O4 I4
12 5 SPARE
DOOR_CW_CCW
RY10 R77 O5 I5
DOOR_CW_CCW
1 4 11 6
1 2 DOOR_TON DOOR_TON O6 I6 DOOR_TURN_ON
DOOR_TURN_ON
0.25W 220 10 7
O7 I7
5 D20 9 8
VCC GND
1N4148WS
2 3
2003
PCJ-112D3MH D29 1W
RY6 R27
1N4148WS AGND
1 4
1 2
2 1
0.25W 220
+5V-IS
5 PC11
D15 D10
4
1N4148WS 2 1
2 3
1N4148WS
PCJ-112D3MH 3
150mA 75V
D
1 R33 3
+12V-IS G
1 2
RY12W-K 4.7K 0.1W PS2561AL
Q5 S
+12V-IS 200-400%
2
SI2308BDS
R30
0.1W
10K
CCW
CW
RY1
GND
+5V
200-400%
PS2561AL
1 4
+5V
SUB_REED
R53
2 3
PC12 UNLOCK_SIG UNLOCK_SIG
1 2
5V_1
1 4 1K 0.1W
+5V
GND
PC18
R55
1 4 2 3
PC13 1 2 LOCK_SIG LOCK_SIG
PS2561AL
1K 0.1W
200-400%
R151
2 3
REED-SW R54 R56
1 2
0.1W 0.1W
PS2561AL 1K J 0.1W REED-SW 10K 10K
200-400%
1
C83
10nF
GND GND
50V AGND AGND
2
GND
AGND
KIA7805AF
+5V
IC12
T2
3 1
OUT
GND
PTC2 1 2
2 C2
AC1-1 AC1-1 1nF
CE7 1 2
1KV
470uF 1 2 2.7 27
3
16V
50V 3 1 2
100nF BD2 CE2
C43 10uF D2 R14
4 1 4
450V
2 1 1 2
DF06S 4.7 J 0.25W
600V
2 US1M
2 1A 1A 5
1000V
DYT-00673
CGND
AC2 AC2
AGND AGND AGND ZD2 0.5W
CGND
27V
1
1
STR-A6079M C9
100nF
50V
CE4
2 22uF
2 50V
PC2
R17
4
1 2
R11 4.7J 0.25W 1
1.8 C7
1W 10nF
3
50V
F 2003-000445
2 PS2561AL
2007-000052
2
CGND
F
2007-000669
+5V
R86
AC1-1
AC1-1
1 2
PC16
100K J 2W 1 4
AC_CHECK
2 3
D21
AC_CHECK
AC2-1
AC2-1 2 1 PS2561AL
1N4007 R8
1A 1KV R113
AC1-1 +5V
1 AC1-1 2
PC1
100K J 2W
1 4
R12 AGND
0.1W
2K
2 3
CLUTCH_CHECK
D4
CLUTCH_CHECK
CLUTCH_OUT CLUTCH_OUT PS2561AL
2 1
1N4007
1A 1KV R15
AGND
X1
Crystal1 1 2 Crystal2
Crystal1 Crystal2
1 SX-1 1
C39 16MHz C38
0.022nF 0.022nF
50V 50V
BLITCH BLITCH
2 2
RINSE RINSE
HOT HOT
AGND AGND COLD COLD
SPARE SPARE
PUMP PUMP
+5V
CLUTCH CLUTCH
DRAIN DRAIN
1 1 1
C84 C20 CE5
100nF 100nF 47uF
50V 50V 50V
2 2 2
1
VSS
CLUTCH_CHECK 2
CLUTCH_CHECK Crystal1 Crystal1
VIN
+5V +5V 3
Crystal2 Crystal2
XOUT
4
AGND TEST
TEST
+5V TEST
5
VDD
+5V
6
P21
IC13 F0 7
F0 P22
1 3 8
IN OUT NRESET
GND 9
REED-SW REED-SW
1 1 P20
KIA7042AP Z1 10
2 C42 C46 Z1
P30
1 100nF 100nF
Y1 11
CE9 50V 50V Y1 P31 IC8
1uF
X1 12 TMP88FW45AFG
50V +5V X1 P32
2 2
W1 13
W1
2 P33
V1 14
V1
P34
U1 15
U1
P35
AGND AGND AGND AGND F0 16
F0 P36
17
P37
18
100 P40
R88 J
19
HALL_B 1 2
P41
HALL_B 20
HALL_A
1 2 P42
HALL_A 21
R87 100 SPC_OUT SPC_OUT
P43
J
1 1 22
RXD RXD P44
C36 C35
10nF 10nF 23
TXD TXD P45
50V 50V
24
CS_OUT CS_OUT P46
2 2
AGND AGND AGND
MEMS_POWER
MEMS_POWER
1 1
C30 C33
10nF 100nF
50V 50V
2 2
AGND AGND
+5V
R52
0.1W
4.7K
5VIS_ONOFF
1
2
DOOR_TON
DOOR_TON
JP4
+12V-IS 1 JUMP 2
0
BST-06-52 TD2
D1
10
1 2 +5V-IS
IC1
ES3D
D28
9 200V 3A 1 3
1 2 IN OUT
+5V
GND
UG2D
1 2
8 200V 2A KIA78D05F
2
C1
CE1
1000uF 100nF 1 2
7 R2
25V 50V 1 1 CE3
2 1 470uF
CE18 C54 50V R123
470uF 100nF 16V 100nF
F0
16V 50V C3 F0 2 1
6
2 1 0.1W J 100
2 2
0.1W J 100
Z1
1 Z1 2
C37 0.1W J 100
Y1
10nF Y1
GND GND GND 0.1W 2 J 100
50V X1
GND GND GND GND GND X1
2
W1 0.1W J 100
2 W1
2
0.1W J 100
V1
V1 2
0.1W J 100
GND U1
AGND U1 2
1 +12V-IS
0.1W
3.3K
2
F
C5
50V
100nF R7
1 2
10K J 0.1W DC_LINK
IC2
TL431AILP DC_LINK
+5V
GND
GND
R81
DC_LINK_SEN DC_LINK_SEN 1 2
100 J 0.1W
AGND
+5V +5V +5V
IC4
8 1
VCC NC
7 2
1
WP NC
6 3 C17
EEPROM-2 100nF
SCL NC
50V +5V
5 4
EEPROM-1 SDA VSS
2
DOOR_CW_CCW DOOR_CW_CCW
CAT24AA04TDI-GT3
DOOR_TURN_ON DOOR_TURN_ON
100 R48
1 2
PC8
AC_CHECK
1 2 5
AC_CHECK +5V
100 R67
AGND
1 1 1
4
C28 C27 C71
1nF 10nF 4.7nF
50V 50V 50V
2 2 2
3
PS9122
+5V
AGND
64
P03 AGND
63 PC17 R130
P02 4 1
62 1 2 EMG EMG
P01
61 2K J 0.1W
P00
60 R63 R132
P97 3 2
0.1W
59 1 2
P96 10K
100 J 0.1W PS2561AL
58 200-400%
P95
57
P94 GND
56
P93
55
P92
AGND
54
P91
53
P90
AGND
52
HEATER_ENA HEATER_ENA
P87
51 +5V +5V +5V-IS
EL_COMMON1
P86 R57
50 EL_COMMON1
CLUTCH_SEN CLUTCH_SEN
P85 1 2
49 1
0.1W C16
P84 LOCK_SIG 100 J LOCK_SIG 2
10nF
48
P83 50V
47
P82 UNLOCK_SIG 0.2W
UNLOCK_SIG 2 G RN2427
46
TX Q8
P81 R60
45 1 I
RX
P80 1 2 O
44
100 J 0.1W
AVSS 3
43
AVDD +5V
1
42
VAREF C25 PC6
100nF
41 +5V 1 4
P77 1 1 1 1 50V +5V
C21 C22 C23 C24 AGND
4.7nF 10nF 10nF 10nF
50V 2
50V 50V 50V
R45
2 3
2 2 2 2
1 2
PS2561AL
1K J 0.1W
200-400%
AGND AGND AGND AGND AGND
GND
3
C
0.1W J 10K
B 1
Q9
MMBT3904
0.35W 2 1
E
R46
2
AGND
AGND
AGND
R143
+3.3V
1 2
0 J 0.25W
+5V-IS
7W
FDC6326L
5V_1 2
VIN VOUT 5V_1
4 3 50V
5VIS_ONOFF +3.3V
ON/OFF VOUT 100nF
5 2 C58
1
R1 R2 1
6 1 C60
C66 100nF 1
1nF
IC18 50V
50V
+3.3V
2 AGND
13 1
2 +3.3V
GND VDD_IO
12 2
GND IC16
GND KR3DH NC 1
11 3
AGND TYPE C57
INT 1 NC
100nF
10 4
Res SCL/SPC SPC 50V
9 5
INT 2 GND AGND
GND 2
AGND
+5V +5V
AGND
R107
R116
0.1W 0.1W
10K 10K
J J +5V
100 0.1W J CN5
RXD R118
RXD
1 2 1
2
R108 100 0.1W J
TXD
TXD 1 2 3
4
R98 100 0.1W J
TEST
TEST 1 2
5
6
SMW250-06DK
BLK
AGND AGND
+15V
+5V
CE11 C52
1 47uF 1 100nF
50V 50V
1 1 1
CE17 CE16 CE15
2 2 IC15 47uF 47uF 47uF
R117
50V 50V 50V
21 1
IPM_TEMP 1 2
TH_29 VB3_1
20 2 2 2 2
IPM_TEMP 100 J 0.1W NTR
RCIN_28 W_VB3_2 CN8
19 3
ISO_27 VB2_5 3 W
18 4 DD-Motor
AGND AGND
VSS_26 V_VB2_6 2 V
17 5
+15V
VDD_25 VB1_9 1 U
16 6
ISO_24 U_VB1_10
15 7
DC_LINK DC_LINK
FAULT_23 +_13
14 8
1 R115
LIN3_22 -_16 1
13 9 9 C53
R110 9
1 LIN2_21 HIN1_17 100nF
12 10 10
R106 10 10 630V
1 LIN1_20 HIN2_18
11 11 11
R105 11 11
1 HIN3_19
2
R100 10
1
STK621-727S-E
9
1 R97 9
AGND
0.1W 0.1W 0.1W 0.1W 0.1W
3.3K 3.3K 3.3K 3.3K 3.3K
F F F F F
AGND 5V_1
+5V 5V_1
PC9 5V_1
R20
HALL_A 4 1 5V_1
HALL_A
1 2
1 WHT
100 J 0.1W
C11
5V_1 CN1
100nF
50V 5V
3 2 1
2 Hall-A
PS2561AL 2 GND
200-400%
3 Hall-B Hall Sensor
+5V 4 GND
AGND 5V_1
5V_1 1
GND 5
C10
100nF
50V
GND
2
PC10
R18
HALL_B
4 1
HALL_B 1 2
GND Clutch Hall Sensor
1
100 J 0.1W
C8
100nF
3 2 50V
PS2561AL 2
200-400% GND
GND
AGND
+5V
GND
R42
10K
0.1W
PC14
CLUTCH_SEN 4 1
CLUTCH_SEN
3 2
PS2561AL
BAV99
200-400%
R39 AD1
1K
0.1W
+5V-IS
AGND GND
GND
+5V-IS
1
+5V-IS
1
C12
1nF
2 50V
R29
0.35W E
MMBT3906 2 WATER_L
1 2 WATER_L
Q10
2 B 1
C 4.7K J 0.1W
3
*
GND
+5V-IS
R44 PC5
1 4
1 2
2K J 0.1W
R28
2 3
1 2
PS2561AL
2K J 0.1W
200-400%
AGND
WHT
CN2
5VIS_ONOFF
5VIS_ONOFF 1 STANDBY
2 TX
3 RX
Reset
+12V-IS +5V-IS 4
+5V-IS
5V
5
GND
6 Sub PBA
+5V-IS
+5V 7 12V
PC7 1
4 1 C13 EMG 8 EMG
10nF GND EMG
50V POWER_ON Power On
2 POWER_ON 9
WATER_L Water Level
0.35W E 2 R35 WATER_L 10
MMBT3906 sub_reed
3 2 1 2 SUB_REED 11
Q11 B SUB_REED
1
C 2K J 0.1W
PS2561AL
200-400% 3
IC17
GND +5V +3.3V
MEMS_POWER
1 8
MEMS_POWER EN GND
2 7
IN GND
3 6
+3.3V OUT GND AGND
4 5
1
BYP GND
C59
100nF
50V MIC5209-3.3YM
1 1 1
2 CE19
C61 C65
10uF 100nF 0.47nF
50V 50V
50V
2 2 2
AGND
+3.3V +3.3V +5V +5V
+3.3V +5V +5V
1
C74
1 1 100nF
C76 C77 50V
100nF 100nF
50V 50V
2
IC20
2 2
1 8
VCCA VCCB
AGND SPC_OUT
2 7
AGND A1 B1 SPC_OUT
3 6
TXD
A2 B2
4 5 TXD
GND OE
+5V +5V
TC7WPB9306 +5V
AGND
+5V
IC19
1 8
VCCA VCCB
2 7
A1 B1 RXD
RXD
3 6
CS_OUT
A2 B2
4 5 CS_OUT
AGND
GND OE
1 1
1 1 1 1 TC7WPB9306 C75 C78
100nF 0.022nF
C82 C81 C80 C79
0.022nF 0.022nF 0.022nF 0.022nF 50V 50V
50V 50V 50V 50V
AGND
2 2
2 2 2 2
AGND AGND
AGND