Sharp AR-168N Service Manual page 140

MCU PWB (Driver section 1)
4
(10-E3)
(10-E3)
(10-E3)
3
(7-E4)
(7-E4)
(7-E4)
(11-D3)
(7-E4)
(7-E4)
(15-C2) (3-A1) (2-A1) (1-D2) D[15..0]
VCC3
2
C93
0.1u
(1-A2) /CS3
(3-A2) (1-B3) /HWR
1
A
Digital Input Multiplexer
IC9
4
(7-E2) (PPD1)
D0
3
(7-E4) (POD)
D1
2
(7-E3) (MFD)
D2
1
(7-E1) (CED1)
D3
15
(7-E3) (TCS)
D4
14
(7-E4) (PMRDY)
D5
13
(7-E3) DVS1
D6
12
(7-E1) (DRST)
D7
11
(4-E2) (SELIN1)
A
10
(4-E2) (SELIN2)
B
9
(4-E2) (SELIN3)
C
7
G
74HC151
IC11
4
(7-E2) (PPD2)
D0
3
(7-E4) (PPD3)
D1
2
(5-E2) THOPEN
D2
1
(7-E1) (CED2)
D3
15
(7-C4) DSWS
D4
14
(7-E3) (MMLD)
D5
13
D6
12
D7
11
A
10
B
9
C
7
G
74HC151
IC13
4
(SDSW)
D0
3
(SPID)
D1
2
(SB4D)
D2
1
(SDOD)
D3
15
(PD1)
D4
14
(PD2)
D5
13
D6
12
D7
11
A
10
B
9
C
7
G
74HC151
Extension Digital Output Port
IC15
D8 2
D1
VCC3
D9 3
D2
D10 4
D3
D11 5
D4
D12 6
D5
D13 7
D6
D14 8
D7
IC17
D15 9
D8
1
4 11
CLK
2 1
OC
10
GND
NC7S32M5X
74LCX574
VCC3
R336
10kJ
IC18
3.3V
1
SDA1
A
(2-C1)
4
DEVDIR
OE
TC7SBD385AFU
EN5V
3.3V
1
(1-E2) SCL
2
EN5V
C109
0.1u
For CRUM Model Only
A
AR-168N/168L CIRCUIT DIAGRAM 14 - 7
B
5V
16
VCC
R56
5
SIN1 (4-C4)
Y
10J
6
W
C83 C84
0.1u 33p
8
GND
5V
16
VCC
R57
5
SIN2 (4-C4)
Y
10J
6
W
C87 C88
0.1u 33p
8
GND
5V
5V
R59
16
VCC
10kJ
R60
5
SIN3
Y
10J
6
W
C90 C91
0.1u 33p
8
GND
BR68
10kJ
VCC3
20
VCC
19
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
C94
0.1u
EN5V
5
5V
Vcc
2
(SDA1)
B
3
GND
C103
0.1u
5V
IC20
4
(SCL1)
NC7ST08M5X
B
(10-C4)
(2-D2)
(2-D2)
(2-D2)
(1-A2)
(1-D3)
/ASIC_RST
(4-C4)
(4-C3)
(1-A2)
(1-A2)
(1-A2) SPFMT2/MIRCNT
(1-A2)
(2-D1)
(2-D1)
SFTMT0 (6-D3)
SFTMT1 (6-D3)
SFTMT2 (6-D3)
(1-B3)
SFTMT3 (6-D3)
(1-B3)
(1-B3)
(2-D1)
(2-D1)
MCNT
(2-D1)
(2-D2)
(2-D2)
(1-D3) LCDDB7
LCDDB6
(1-D3)
(1-D3) LCDDB5
(1-D3) LCDDB4
(1-D3) LCDE
(1-D3) LCDRS
/RESET0
/RESET#
R308
10kJ
(11-D3)
C
5V/3.3
KEYIN
SIN1
SIN2
SIN3
SPFS
SRRC
SGS
SPUS
VCC3
R55
10kJ
OP_CLK
OP_DATA
OP_LATCH
PSL
FW
BZR
MIRCNT
SPFMT0
SPFMT1
SPFMT3
MIRON
SPFON
R344
SELIN1
33J R
SELIN2
R346 33
SELIN3
33J
KEYSC1
KEYSC2
KEYSC3
TM
TM_
3.3V
R347
0J R348
R349 0J
0J R350
0J
R309
10kJ
C