Sub Control (Mcu) - Samsung DV448AEP Service Manual

8-2. SuB CONTROL (MCu)

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+3.3V
CN7
1
R19 RESET
2 RESET
1 2
BKGD
3
1M J 0.125W
X1 4
SMW250-04DW
XIN XIN 1 2 XOUT
WHT
XOUT
AD10011608
10MHz
1 1 GND
C7 C5
0.022nF 0.022nF
50V 50V
+3.3V
2 2
1
GND GND
+3.3V
+5V
2
0.2W
G
RN2427
Q19
I 1
O
EMG
3
EMG
3
C
B 2
Q18
KRC246S
0.2W
E
1
WASHER : O
DRYER : X
GND
+5V
+3.3V
IC8
1 3
IN OUT
GND
KIA78DM033F
1 1 2 1 1 1
C23
CE1 CE2 C19 C36
100nF 100uF 100uF 100nF 100nF
50V 10V 10V 50V 50V
2 2 2 2 2
GND
GND
R22
1
WIRE_6P 2.2K J
0.125W
6
5
1
C27
4
100nF
50V
3
2
2
1
CN11
GND
WIRE_11P
STANDBY
11
STANDBY
10
9
+5V
8
+5V
7
6
5
EMG
4
EMG
3
WL_MAIN WL_MAIN
2
REED_IN REED_IN
1
GND
CN9
+3.3V
GND
+3.3V_MEMS
CN8
1
2
R25
1 2
100
3
R26
1 2
100
4
R28
1 2
100
5
R30
1 2
100
6
R31
1 2
100
7
8
9
10
11
C16
12
WIRE_12P
REED_IN
GND
R29
+3.3V
1
C17
100nF
50V
2
WASHER : O
DRYER : X
126 _ Schematic Diagram
+3.3V
BKGD
1
C9
REED_2 REED_2 100nF
50V
POWER_ON POWER_ON
MEMS_POWER MEMS_POWER BKGD 2
GND
+3.3V
REED_1 1 48
GND
REED_1 PTC4
PTG3/KBI1P3
IC6 2 47
WL_SUB
IRQ/TPMCLK PTD3/KBI1P6/AD1P11
WL_SUB
3 3 46
IN OUT RESET RESET PTD2/KBI1P5/AD1P10
C8
GND 4 45
C8
PTF0/TPM1CH2 VSSAD
KIA7025AP 5 44
2
PTF1/TPM1CH3 VDDAD
1 1
6 43
CE4 C6
PTF2/TPM1CH4 PTD1/AD1P9
1uF 100nF
7 42
50V 50V
PTF3/TPM1CH5 PTD0/AD1P8
8 41
MICOM1
PTF4/TPM2CH0 PTB7/AD1P7
2 2
MC9S08AC48
9 40
PTC6 PTB6/AD1P6
10 39
PTF7 PTB5/AD1P5
LIGHT LIGHT 11 38
PTF5/TPM2CH1 PTB4/AD1P4
12 37
STANDBY
PTF6 PTB3/AD1P3
STANDBY
13 36
TX PTE0/TxD1 PTB2/AD1P2
TX
14 35
RX
PTE1/RxD1 PTB1/TPM3CH1/AD1P1
RX
15 34
BZ_FRQ
PTE2/TPM1CH0
GND GND GND PTB0/TPM3CH0/AD1P0
BZ_FRQ 16 33
CS2
PTE3/TPM1CH1 PTA7
CS2
C6
C5
C4
1 1 +3.3V
GND
C30 C34 C3
1nF 1nF
+3.3V
50V 50V 1 1 1 C2
1 1 C31 C32 C33
1nF 1nF 1nF
C37 C38 C1
100nF 100nF 2 2
50V 50V 50V
50V 50V C0
2 2 2
2 2 GND GND
KEY_SCAN2 KEY_SCAN2
KEY_SCAN1
CS1 SDI SDO SPC KEY_SCAN1
RESET GND
C13 C15 C14
RESET
3 100nF
50V 1 1 1
C
1
1 B
Q14 CE7
2
MMBT3904 100uF
0.35W 50V 50V
E 10V
1 2 2 2 2
C35 2
100nF
50V
2
+5V
GND
+3.3V
R51
GND
1 2
2 4.7K J 0.125W
R44 R52
0.35W E
MMBT3906
1 2 1 2 TX
Q15
B TX
1
100 J 0.125W 4.7K J 0.125W
C
+12V
3 3
C R53
B 1
Q13
1 2
MMBT3904
0.35W 2.2KJ
E
2 R50
1
+5V
C20 +5V
100nF
50V
R42
1
C24 +5V
1 2
2 10nF
4.7K
50V
GND 2 MMBT3906
+5V
R43 Q7
GND 2 E
1 2
B
1
4.7K J 0.125W
C
3
+3.3V
R39
2 1
3
4.7K J 0.125W
C
0.2W
B 2 G
Q12 RN2427
KRC246S Q20 POWER_ON
0.2W
E I 1
O POWER_ON
3
1
GND
SPC
SPC
+3.3V +3.3V +3.3V
SDI SDI
SDO SDO
CS2 CS2
CS1 CS1
R32 100 J 0.125W
WATER_THERM WATER_THERM
1 2
1 2 REED_1 REED_1
R36 1K J 0.125W
3
C
1
2 1 2 REED_2 REED_2
B
Q17
0.1nF KRC246S R37 1K J 0.125W
50V E 0.2W 1 1 1
C8 C2 C3
100nF 100nF 100nF
2 R27 50V 50V 50V
1
GND 2 2 2
GND
+3.3V GND
GND
R12
WL_SUB
1 2
WL_SUB
+3.3V
1K J 0.125W
1
7W
C4 FDC6326L
+3.3V_MEMS
1nF
50V +3.3V
VIN VOUT
MEMS_POWER 4 3
MEMS_POWER
ON/OFF VOUT
2
5 2
R1 R2
6 1
IC9
GND
GND
WL_MAIN
WL_MAIN
GND
GND
GND
WATER_THERM
WATER_THERM
D0
BZ_ENA BZ_ENA D0
D1
D1
D2
D2
D3
D3
D4
D4
D5
D5
GND
D6
D6
+3.3V D7
GND D7
OPTION1
OPTION1
JOG_B
JOG_B
JOG_A
JOG_A
C7
C6
GND
D0 D0 C5
D1 D1
C4
D2 D2
C3
D3 D3 C2
D4 D4
C1
D5 D5
D6 D6
D7 D7
C7 C7
C6
C5
C4 +3.3V
C0
C3
C2
C1
C0
1
C11
100nF
50V C8
2
GND
+3.3V
R20
OPTION1
1 2 RX OPTION1
RX
100 J 0.125W
3
C
1 B Q8
1
2 MMBT3904
1 C1
0.35W C10 4.7nF
E
4.7nF
50V
2
50V
2
R40 2
1 2
4.7K J 0.125W
GND GND
GND GND
WASHER : X
DRYER : O
+12V
CN6
+12V
1
2
TUB_LIGHT
3
PURPLE_PJT TUB_LIGHT
R1
TUB_LIGHT
1 2
TUB_LIGHT
300 J 1W
+3.3V_MEMS 3
C
B 2
Q9 LIGHT LIGHT
1 KRC246S
1 C29 1 0.2W
E
100nF
C28 CE6
1nF 100uF
50V
50V 10V
1
2
2 2
GND
GND
IC3
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
VCC GND
10 11
KID65783AF
+12V
GND
LED7 LED28 LED18
2 1 2 1 2 1
IC4
R11
RED RED RED
1 16
C7
I1 O1 1 2
2 15
C6 330 0.5W LED5 LED27 LED17
I2 O2
3 14
C5 2 1 2 1 2 1
I3 O3
4 13
C4
I4 O4 R10
RED RED RED
5 12
C3 I5 O5 1 2
LED26 LED16
6 11
C2 330 0.5W LED3
I6 O6
7 10 2 1 2 1
C1
I7 O7 2 1
8 9 R9
RED RED
GND VCC
RED
1 2
LED25 LED15
2003 330 0.5W LED1
1W
2 1 2 1
2 1
GND
R8
RED RED
RED
1 2
330 0.5W LED2 LED24 LED14
2 1 2 1 2 1
R7
RED RED RED
3
1 2
C
330 0.5W LED4 LED9 LED23
2
B
C0 Q10
KRC246S
2 1 2 1 2 1
E 0.2W
R6
RED RED RED
1 2
330 0.5W LED6 LED11 LED22
1
2 1 2 1 2 1
R5
GND RED RED RED
1 2
LED8 LED13 LED21
3
330 0.5W
C 2 1 2 1 2 1
2 B R3
C8 Q11
KRC246S RED RED RED
1 2
0.2W
E
LED10
330 0.5W
LED12 LED20
2 1
1 2 1 2 1
R4
RED
RED RED
1 2
GND
330 0.5W
KEY_SCAN1 KEY_SCAN1
GND
+12V
1
R16
E
1W
1 2
KSA928A-Y
B
Q16 3
4.7K J 0.125W
C
2
Q5
KRC246S
R15
2 1
1K
2 1
BZ1
1
CE5
47uF Q4
50V KRC246S
2
GND
G6
WHT
SMW250-10DW
10
9
8
7
6
5
4
3
2
1
CN2
LED19
2 1
WHT
RED SMW250-10DW
1
2
3
KEY_SCAN1 KEY_SCAN1
4
KEY_SCAN2 KEY_SCAN2
5
6
7
8
9
10
CN10
GND
+3.3V +3.3V
SW1
R46
1
JOG_A JOG_A
1 2
2
1K J 0.125W
3
JOG_B JOG_B
1 2
R48
1K J 0.125W JES1612GAS
5V
1 1
0.5mA
C26 C25
100nF 100nF
50V 50V
2 2
GND
3
C
2
B
BZ_ENA BZ_ENA
E
1
GND
3
C
B 2 BZ_FRQ
BZ_FRQ
E
1
GND