Samsung RF20HFENB Service Manual page 66

SchematicDiagram
8-2) Main RF18 / RF20
JP3
1 JUMP 2
BST-06-52
NTC1 DA27-00001A 1
*
ZC1 CE01
N 4A 3 450V,47uF
1 2
600V
N 2 3
2.2 D3SB60
NTC-22D-7(F)
22 1 4
1 2
1 4
1.4A C01
L01
BD1
2
2
FUSE2
1 2
CN10
90
N
1
2
L
3
YW396-03AV
3711-000203
+12V
IC71
16
O1
15
O2
14
YW396-09AVT PCJ-112D3MH
O3
9 13
COM2
6 3 O4
8 12
2 5 O5
F DEF HEATER
7 BZ2 11
BZ2
O6
6 10
1 4 O7
R DEF HEATER
5 RY71 9
COM
4
2003
HET_COM
3
1W
2
COMP
1
C201
100nF
CN72
PCJ-112D3MH
6 3
2 5
1 4
RY72
RY74
YW396-09AV
1 4
I-SOL-V/V
9
8
2 5
COM1
7
6 3
6
PCJ-112D3MH
F LAMP F_LAMP_OUT F_LAMP_OUT
5
4
R LAMP R_LAMP_OUT R_LAMP_OUT
3
SSR4
2
8 1
SUB
1 R207
7 2
CN71 1 2
N 6 3
N 330,J,0.25W
R208
4
5
1 2
330,J,0.25W
R206 PR33MF51YPLF
1 2
47,J,0.25W
VCC
R6
1 2
4.7K J 0.125W
R7
1 2
0.125W F 10K
4.7K J 0.125W
R31
2 1
0.125W F 10K
R32
2 1
0.125W F 10K
R33
2 1
0.125W F 10K
R34
2 1
CN30
R102
F_DOOR_SW
1 1 2
R_DOOR_SW
R103
10K J 0.25W
2 1 2
2001-000065 R_SENSOR
R104
1 10K J 0.25W 2
3
2001-000065
R_DEF_SENSOR
R105 10K J 0.25W
4 1 2
2001-000065
F_SENSOR
R106
10K J 0.25W
5 1 2
2001-000065
F_DEF_SENSOR
R107
1 10K J 0.25W 2
6
2001-000065
10K J 0.25W
7
2001-000065
8
SMW250-08DW
VCC
GND
SMW250-08DW
2001-000065
8
10KJ 0.25W
44
R118 44
7 1 2
45
R119 10K J 0.25W 45
6 1 2
2001-000065
46
R120 10KJ 0.25W
46
5 1 2
2001-000065
ICE_Sensor
R121
1 2 ICE_Sensor
4
10K J 0.25W
3
GND
2001-000065
2
1
GND
CN90
ICE MAKER KIT
ICE_IN2
2 ICE_IN2
50V
ICE_IN1
100nF
ICE_IN1
C20
+12V
1 2
+12V 50V
100nF
C21
1
GND
TE1
1
1
C02
2.2nF
100V 3A
D03 L02
630V
2 10
10x7.5x5
1 2 1 2
2301-002011
2 SHK75-11 33uH
*
3 9
1 1
R05
CE02 CE03
1000uF 100uF
1 2
35V 35V
4 8
100 J 0.25W
*
2401-000012
2 2
GND
5 7
6
JLEE19-12
85V265V
*
DA26-00043A
R02 PC01
4 1
1 2
10 J 0.25W
2007-000312
3 2
PS2561AL
1
C03 0604-001405
100nF
50V
2
1
Flash Memory PORT
F_DEF_HT
I1
2
R_DEF_HT SMW200-06
I2
3 6
COMP
I3
4 5
I_SOL_V/V
I4
5 4
SUB
I5
6 MICOM_BZ2 3
MICOM_BZ2
I6
7 2
I7
8 1
GND
CN00
+12V
GND
IC72
R134
1 4 F_LAMP
F_LAMP
VIN VDIS 1 2
F_LAMP_OUT 2 3
F_LAMP_OUT
VO GND
278R12
1203-002183
GND
C207
100nF
+12V
IC12
R117
1 4 R_LAMP
VIN VDIS 1 2
R_LAMP_OUT 2 3
R_LAMP_OUT
VO GND
278R12
1203-002183
GND
C206
100nF
VCC
CN73 R12
1 1 2
680,J,0.125W
2
Q1
3 3
KRC246S
4 C
1
2
SMW250-04DW B
inverter_comp
E
2
1
GND
GND
MICOM_RFAN
VCC
R205
1 2
10K,J,0.125W
C205
50V,10nF
IC3
R11 1K J 1 8
EEPROM_CS EEPROM_CS
1 2 CS VCC
1 1
R10 1K J 2 7
EEPROM_SK EEPROM_SK CE5 C30
1 2 SK DC
47uF 100nF
R8 1K J 3 6
EEPROM_DI EEPROM_DI 25V 50V
1 2 DI ORG
4 5
DO GND
2 2
93C56
GND
MICOM_FFAN
VCC
R35
1 2
CN31 R20
10K F 0.125W
RT
1 1 2
10K J 0.25W
2
2001-000065
1
3
GND C14
SMW250-03DW 100nF
50V
2
GND
MICOM_CFAN
MICOM_RFAN/FB
MICOM_FFAN/FB
MICOM_CFAN/FB
GND
+12V VCC
ZCP
REG1
R127
ZC1
1 3
ZC1
IN OUT 1 2
GND 220K
+12V 2003-002068
VCC
KA7805
1 2 1
1 1
C05 CE04
100nF 100uF C06 C204
50V 16V 100nF 2203-000444
50V
1nF
2 2
2 2
ZC2
ZC2
GND GND
R101
1 2
MICOM_FFAN/FB MICOM_CFAN/FB MICOM_RFAN/FB ICE_IN2 44 45 46
10K J 0.125W
1
4
C101
100nF
VCC
50V
2
GND
GND
1
P2.4 P1.2
MICOM_RFAN
Flash2 2
Flash2 FAST1
P2.3 P1.3
FAST1
Flash1
3
Flash1 0.125W J 10K
P2.2 AVSS
R133
2 1 4
EEPROM_DI
P2.1 AVREF
EEPROM_DI
5
EEPROM_SK
P2.0 P1.4
EEPROM_SK
6
EEPROM_CS
P5.7 P1.5
EEPROM_CS
7
Flash2
P5.6 P1.6
Flash2
VCC 8
Flash1
P5.5 P1.7
Flash1
VCC 9
VDD IC10 P6.0
S3F84NBXZZ-QT8B
10
1
VSS P6.1
C102
11
100nF
XOUT P6.2
50V
12
XIN P6.3
13
2
TEST P6.4
GND 14
0.125W J 10K
P5.4 P6.5
R124
2 1 15
F_LAMP
P5.3 P6.6
F_LAMP
16
GND
NRESET P6.7
17
GND R_LAMP
VCC P5.2 P4.0
R_LAMP
18
IC11 P5.1 P4.1
RX
19
VCC
1 3 P5.0 P4.2
TX
IN OUT
GND
1 1 GND
KA7533
C103 2 C104
100nF 100nF
KIA7033AP
50V 50V
2 2
MICOM_CFAN 9 10 11
GND
ZCP
+12V
0.125W J 330
1
E
2 1
R42
B
3
L5
R114 C
2 1mH
1 2
Q6
1.5K,J,0.25W
KTB1151
3
1 1
C
CE6 C24
2
B
Q4 100nF
KRC246S 50V
E
2 2
2401-003585
1
+12V
GND
R40 330 J
1
2 1
E
KTB1151
B
3 Q7
R115 C
2 L4 1mH
1 2
3
C
1 1
2
B CE8
MICOM_FFAN Q2 C22
KRC246S 100nF
0.2W
E 50V
2 2
2401-003585
1
GND
+12V
J 330
0.125W +12V
1
2 1
E
R41
B
R116 3
C
L3
1 2
1.5K,J,0.25W 2
1mH
3
KTB1151
Q5
C
1 1
2
B CE7
Q3 C23
KRC246S 100nF
0.2W
E 50V
2 2
2401-003585
1
GND
R14 10K J
MICOM_RFAN/FB
1 2
R15 10K J
MICOM_FFAN/FB
1 2
R16 10K J
MICOM_CFAN/FB
1 2
1 1 1
C31 C32 C33 50V,10nF
2 2 2
GND GND GND
9 9
GND
10 10
11 11
inverter_comp inverter_comp
12 12
13 13
14 14
+12V
MICOM_BZ1
MICOM_BZ1
1
1
2
2
3
3
5
5
6
6
7
7
4
51
RT
VCC
RT
50
R_DOOR_SW
R_DOOR_SW
49
48
47
R_SENSOR 1
R_SENSOR
C105
46
R_DEF_SENSOR 100nF
R_DEF_SENSOR
45 50V
F_SENSOR
F_SENSOR
44
2
F_DEF_SENSOR
F_DEF_SENSOR
43
key
key
42
7
7
41
6
6
40
5
5
39
3
3
38
2 GND
2
37
1
1
36
MICOM_BZ1
MICOM_BZ1
35
14
VCC
14
34
13
13
33 L6
12
12
1 2
3.3uH
RX
1.05A
R46
TX
TX
1 2
1
2
FAST1
FAST1
1
C25
100nF
50V
SMW250-07DK
2
7
6
5
GND
4
GND
3
2
1
CN76
BZ1
BZ1
2 1
R87
1
CE9
2
GND
+12V
+12V
R47
1 2
GND COM
R48
8 9 1 2
I7 O7
R49
7 10 1 2
I6 O6
R51
6 11 1 2
I5 O5
R50
1 2
5 12
I4 O4
1W R52
4 13 1 2
2003
I3 O3 CN50
3 14
I2 O2 1
2 15
I1 O1 2
1 16
GND
3
IC6
4
5
TD62783AFW
6
GND
VCC GND
9 10 7
I8 O8
8 11 BZ1 8
BZ1
I7 O7
7 12 9
I6 O6
6 13 10
I5 O5
5 14 11
I4 O4
4 15 12
R112
I3 O3
key key
3 16 1 2 13
I2 O2
6.8K,J,0.25W
2 17 14
I1 O1
1 SMW250-14
1 18
C202 3711-003241
+12V
10nF
IC7
50V
2
R131
1 2
10K,J,0.125W
GND
GND
R29
1 2
CN01
10K J 0.125W
RX
1
2
+12V
3
4
5
C34
1nF
6
50V
SMW250-06DW
GND
VCC
R25
1 2
10K J 0.125W
BZ2
BZ2