Sharp AL-1661CS Service Manual page 168

A
MCU PWB (Driver section 1)
(7-E2)
(7-E4)
(7-E3)
(7-E1)
(7-E3)
(7-E4)
(7-E3)
4
(7-E1)
(10-E3) (4-E2)
(10-E3) (4-E2)
(10-E3) (4-E2)
(7-E2)
(7-E4)
(5-E2)
(7-E1)
(7-C4)
(7-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
(1-A2) /CS3
2
(3-A2) (1-B3) /HWR
(2-C1)
1
A
Digital Input Multiprexer
IC9
4
(PPD1) D0 VCC
3
(POD) D1
2
(MFD) D2
1
(CED1) D3
15
(TCS) D4
14
(PMRDY) D5
13
DVS1 D6
12
(DRST)
D7
11
(SELIN1)
A
10
(SELIN2)
B
9
(SELIN3)
C
7
G GND
74HC151
IC11
4
(PPD2)
D0 VCC
3
(PPD3)
D1
2
THOPEN
D2
1
(CED2)
D3
15
DSWS
D4
14
(MMLD)
D5
13
D6
12
D7
11
A
10
B
9
C
7
G GND
74HC151
IC13
4
(SDSW) D0 VCC
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 GND
74HC151
Extention 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
4 11
CLK
1
OC
10
GND
NC7S32M5X
74LCX574
VCC3
R336
10kJ
IC18
3.3V
1
SDA1
A
4
DEVDIR
OE GND
TC7SBD385AFU
EN5V
3.3V
1
(1-E2) SCL
2
EN5V
C109
0.1u
For CRUM Model Only
AL-1661CS CIRCUIT DIAGRAM 13 - 7
B
5V
16
R56
5
SIN1 (4-C4)
Y
10J
6
W
C83 C84
0.1u 33p
8
5V
16
R57
5
SIN2 (4-C4)
Y
10J
6
W
C87 C88
0.1u 33p
8
5V
5V
R59
16
10kJ
R60
5
SIN3 (4-C4)
Y
10J
6
W
C90 C91
0.1u 33p
8
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
C103
0.1u
5V
IC20
4
(SCL1) (11-D3)
NC7ST08M5X
B
(10-C4) KEYIN
SIN1
SIN2
SIN3
SPFS
SRRC
SGS
SPUS
(2-D2) OP_CLK
(2-D2) OP_DATA
(2-D2) OP_LATCH
(1-A2) PSL
FW
(1-D3) BZR
/ASIC_RST
(4-C3) MIRCNT
(1-A2) SPFMT0
(1-A2) SPFMT1
(1-A2) SPFMT2/MIRCNT
(1-A2) SPFMT3
(2-D1) MIRON
(2-D1) SPFON
SFTMT0 (6-D3)
SFTMT1 (6-D3)
SFTMT2 (6-D3)
(1-B3) SELIN1
SFTMT3 (6-D3)
(1-B3) SELIN2
(1-B3) SELIN3
(2-D1) KEYSC1
(2-D1) KEYSC2
MCNT
(2-D1) KEYSC3
(2-D2)
TM
(2-D2)
TM_
R347
(1-D3) LCDDB7
0J
LCDDB6
(1-D3)
R349
(1-D3) LCDDB5
0J
(1-D3) LCDDB4
(1-D3) LCDE
(1-D3) LCDRS
/RESET0
/RESET#
R308 R309
10kJ 10kJ
C
5V/3.3V
VCC3
R55
10kJ
R344
33J R3
R346 33
33J
3.3V
R348
0J
R350
0J
C