Read Sharp AL-1456 (serv.man15) Service Manual online
AL-1555 CIRCUIT DIAGRAM 13 - 4
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
MCU PWB (DRIVER SECTION 1)
4/9
C184
0.1u
C195
0.1u
1
2
C189
0.1u
2
1
2
1
2
1
C190
100p
C191
100p
C192
100p
R146
10kJ
2
1
R147
10kJ
BR156
10J
1
2
3
4
8
7
6
5
BR157
10J
1
2
3
4
8
7
6
5
BR158
10J
1
2
3
4
8
7
6
5
BR159
10kJ
1
2
3
4
2
3
4
8
7
6
5
7
6
5
IC118
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
IC116
74VHCT244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
C185
0.1u
2
1
R144
10J
2
1
C186
33p
C187
0.1u
R145
10J
2
1
C188
33p
C193
0.1u 2
1
2
1
2
1
2
1
2
1
2
1
2
1
R149
10J
2
1
C194
33p
R148
10kJ
IC114
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC113
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
R141
10kJ
R140
10kJ
1
2
1
2
1
2
1
2
1
2
IC115
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC117
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
R263
10kJ
R266
10kJ
5V
VCC3
VCC3
5V
5V
5V
5V
VCC3
5V
5V
(KIN1)
(KIN2)
(FW)
(SIN1)
(SIN2)
(SIN3)
(SELIN1)
(SELIN2)
(SELIN3)
(OP_CLK)
(OP_D
A
T
A
)
(OP_LA
TCH)
(SPMT0)
USBIN
SIN1
SIN2
SIN3
KIN1
KIN2
SELIN1
SELIN2
SELIN3
OP_CLK
OP_D
A
T
A
OP_LA
TCH
MIRCNT
SPMT0
SPMT1
SPMT3
MIR
ON
SPFON
(SPMT1)
(SPMT2)
(SPMT3)
TM
TM_
(TM)
(TM_)
SIN1
SIN2
SIN3
(SELIN1)
(SELIN2)
(SELIN3)
(PPD1)
(POD)
(MFD)
(CED1)
(TCS)
(PMRD
Y)
D
VS1
(DRST)
(PPD2)
(PPD3)
THOPEN
(CED2)
DSWS
(MMLD)
(SDSW)
(SPID)
(SB4D)
(SDOD)
GDIIN
FW
/SYNC
(/SYNC)
SPMT2/MIRCNT
(USBIN)
F
or SPF/DSPF Model Only
(7-E1)
(7-E2)
(7-E3)
(4-D3)
(7-E1)
(7-E2)
(7-E3)
(7-E4)
(7-E4)
(7-E4)
(7-E3)
(7-E4)
(7-E3)
(7-E1)
(4-D3)
(4-D3)
(7-C4)
(5-E2)
(8-B1)
(7-E4)
(9-D4)
(7-E4)
(4-C4)
(4-C4)
(4-C4)
(8-C4)
(8-C4)
(8-A3)
(9-A2)
(4-B3)
(4-B3)
(4-B2)
(1-D3)
(1-D3)
(1-D2)
(1-A3)
(1-A3)
(1-A3)
(2-A2)
(2-C1)
(2-C1)
(2-B1)
(2-B1)
(2-B1)
(1-B3)
(1-B3)
(1-B3)
(4-A3)
(4-A3)
(4-A3)
(8-D3)
(8-D3)
(8-D3)
(8-D3)
(8-D3)
(8-D3)
(6-D2)
(6-D2)
(6-B1)
(6-B1)
(6-B1)
(6-B1)
(1-A2)
(1-A2)
(1-A2)
(1-A2)
(2-C1)
(2-C1)
(2-C1)
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