Sharp AL-1566 (serv.man15) Service Manual ▷ View online
AL-1556/1566 CIRCUIT DIAGRAM 13 - 8
R61
100J
C85
47p
IC16
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
IC14
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
BR67
10kJ
1
2
3
4
8
7
6
5
IC12
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
R342
100J
IC19
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
C89
0.1u
R324
33J
IC10
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
C378
OPEN
R345
33J
C388
OPEN
OPEN
C394
OPEN
C395
OPEN
C396
OPEN
C380
0.1u
C390
33pF
C86
0.1u
C389
47pF
R323
1kJ
IC45
NC7WZ17
A1
1
A2
3
Y1 6
Y2 4
GND 2
Vcc 5
C391
33pF
C392
33pF
BR88
33J
1
2
3
4
8
7
6
5
R54
10kJ
C377
0.01uF
C92
0.1u
C379
0.1u
R315
10kJ
C95
0.1u
R58
10kJ
C104
0.1u
IC107
NC7ST08M5X
1
2
4
/RESET#
VCC3
VCC3
5V
VCC3
VCC3
5V
VCC3
5V
5V
(KEYIN)
(FW)
(SIN1)
(SIN2)
(SIN3)
(SELIN1)
(SELIN2)
(SELIN3)
(OP_DATA)
(OP_LATCH)
(SPFMT0)
(SPFMT1)
(SPFMT2)
(SPFMT3)
(TM)
(TM_)
(LCDDB7)
(LCDDB6)
(LCDDB5)
(LCDDB4)
(LCDE)
(LCDRS)
(KEYSC1)
(KEYSC2)
(KEYSC3)
/VIDEO
VIDEO#
(OP_CLK)
(PSL)
(BZR)
/SYNC
(/SYNC)
/RESET1
(/ASIC_RST)
SPFS#
SRRC#
SGS#
SPUS#
(1-A3)
(4-A4)
(10-E3)
(10-E3)
(6-D2)
(6-D2)
(6-B1)
(6-B1)
(6-B1)
(6-B1)
3.3V
3.3V
3.3V
3.3V
5V/3.3V
5V
3.3V
3.3V
(10-E3)
(10-E3)
(10-E4)
(4-A4) (10-E3)
(4-A4) (10-E3)
(10-E3)
(10-E3)
(10-E3)
(2-C1)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(11-A2)
3.3V
(11-B2)
(2-E1)
4/14
C
C
D
D
E
E
4
3
2
1
AL-1556/1566 CIRCUIT DIAGRAM 13 - 9
IC25
TD62064AF
I1
3
NC
4
NC
5
I2
6
NC
10
I3
11
NC
12
NC
13
GND
17
O1 2
O2 7
O3 9
O4 16
COM 1
COM 8
GND
18
I4
14
NC
15
IC21
KID65001AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
IC27
KID65503F
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC 9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
R343
1.5kJ
IC26
KID65503F
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC 9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
R325
1.5kJ
BR107 1.5kJ
1
1
2
3
4
8
7
6
5
IC23
KID65001AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM 9
1C 16
2C 15
3C 14
4C 13
5C 12
6C 11
7C 10
BR108 1.5kJ
1
1
2
3
4
8
7
6
5
BR109 1.5kJ
1
2
3
4
8
7
6
5
PGND
PGND
PGND
24V
24V
24V
MC
BIAS
TC
GRIDL
CPFS1
MPFS
RRS
VFM
VFMCNT
MRPS1
HL
LDEN
PMCLK
PMD
PR
FTH
MM_Y2
MMD
MM_Y1
MM_Y3
SPUS#
SPFS#
SRRC#
SGS#
/MC
/BIAS
/TC
/GRIDL
/CPFS
/MPFS
/RRS
/PR
/VFMC
PMCLK_
/PMD
MRPS_1
/LDEN
MMref1
/MMD
MMref2
MMref0
/SGS
/SPUS
/SRRC
/SPFS
MRPS_2
POFF
/POFF
MRPS2
MRPS3
MRPS_3
/LEND
MCNT
/MCNT
CPFS2
/CPFS2
For SPF/DSPF Model Only
(11-E1)
(2-C1)
(2-C1)
(2-C1)
(2-C1)
(
(
(
(
(2-C1)
(2-D1)
(2-D1)
(2-C1)
(2-D1)
(2-C1)
(5-E3)
(2-D1)
(2-C1)
(2-D1)
(2-D1)
(2-C1)
(1-A2)
(
(
(
(
(
(
(2-C1)
(2-C1)
(2-C1)
(2-A3)
(2-C1)
(2-A3)
(1-D3)
(11-E1)
(11-E1)
(11-E1)
MCU PWB (Driver section 2)
A
A
B
B
C
C
4
3
2
1
AL-1556/1566 CIRCUIT DIAGRAM 13 - 10
R87
240J
R88
10kJ
D2
KDS226
2
1
3
IC22B
KIA393F
5
6
7
8
4
+
-
R68
7.5kF
Q1
KTA1505S
IC24B
KIA358F
5
6
7
8
4
+
-
R83
1.2kF
R71
4.3kF
R78
4.7kJ
1/4W
R85
10kF
R73
47kJ
R84
10kJ
D1
MA700
D40
1SS355
1SS355
C114
22000p
R67
1MF
R81
300J
R66
1kF
R82
100J
D3
KDS226
2
1
3
C112
0.1u
R70
10kF
C111
22000p
C110
0.1u
IC24A
KIA358F
3
2
1
8
4
+
-
C113
0.1u
IC22A
KIA393F
3
2
1
8
4
+
-
D4
1SS355
1SS355
Q2
KRA119S
1
2
3
R69
1kJ
Q3
KRC106S
1
2
3
R86
240J
12V
24V
INT5V
12V
VCC3
VCC3
VCC3
12V
VCC3
12V
12V
12V
VCC3
5V
5V
PGND
C
AS
C
RIDL
VFMOUT
HLOUT
/CPFS1
/MPFS
/RRS
/PR
/VFMCNT
MCLK_A
MD
RPS_1
DEN
Mref1
MD
Mref2
Mref0
RPS_2
FTH
RTH
THOPEN
RTH_IN
OFF
RPS_3
SHOLD
CNT
PFS2
(10-A4)
(10-A4)
(10-B4)
(10-B4)
(10-A3)
(11-A3)
(11-A3)
(11-B3)
(11-B2)
(11-B2)
(6-A1)
(6-A1)
(6-A1)
(10-B3)
(10-B4)
(11-B2)
(11-B2)
(11-A4)
(6-A3)
(6-A3)
(6-A3)
(1-A3)
(4-A4)
(5-B2)
(11-C1)
C
C
D
D
E
E
4
3
2
1
5/14
AL-1556/1566 CIRCUIT DIAGRAM 13 - 11
MCU PWB (Driver section 3)
R108
620J
R104 2.4kJ
R109
1.2kJ
R91
1.5kJ
R110
100J
R89
0.68J
1W
R115
1kJ
R102
750J
C115
820p
C130
OPEN
R92
1.5kJ
R94
30kJ
C125 2200p
C127 OPEN
C121
0.1u
C117
820p
R90
0.68J
1W
R93
1kJ
R99
7.5kJ
C116
820p
R95
30kJ
C126 2200p
C118
820p
R100 7.5kJ
C137 OPEN
C134
0.1u
R98
510J
R111 2.4kJ
R97
1kJ
R103 1J 2W
C119
0.1u
R96
2kJ
C132
2200p
C123
0.1u/50V
IC31
MTD1361/F
CrA
23
CrB
20
VsA
25
RsA
3
VrefA
24
VrefB
19
RsB
12
VsB
18
In /A
26
In A
27
In /B
17
In B
16
Vmm 22
OUT /A 1
OUT A 4
OUT /B 14
OUT B 11
PG 15
PG 28
C135
2200p
C136
OPEN
0
R101
1kJ
IC29
L6219DS or AMM56219
OUT 2A
2
SENSE 2
3
COMP 2
4
OUT 2B
5
GND
6
GND
7
I02
8
I12
9
PHASE 2
10
VREF 2
11
RC 2
12
VSS 13
RC 1 14
VREF 1 15
PHASE 1 16
I11 17
GND 18
GND 19
I01 20
OUT 1B 21
COMP 1 22
SENSE 1 23
VS 24
OUT 1A
1
R107
300J
R114 1J 2W
CP2
0603FA1.5A
PGND
PGND
PGND
PGND
PGND
5V
24VM 5V
5V
24VM
5V
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
24VM
MM_PH_A
OUT_A-
MM_AI0
MM_PH_B
MM_BI0
MM_BI1
MM_AI1
OUT_A+
OUT_B-
MMref0
MMref1
MMref2
SPMT_2
(SPFMT2)
SPMT_0
SPMT_3
SPMT_1
MRPS_1
MRPS_2
MRPS_3
(SPFMT0)
(SPFMT3)
(SPFMT1)
OUT_B+
(10-D2)
(2-A3)
(2-A3)
(2-A3)
(2-A3)
(2-A3)
(2-A3)
(5-C1)
(5-C1)
(5-C1)
(5-C2)
(5-C2)
(5-C2)
(4-D3)
(4-D3)
(4-D3)
(4-D3)
(11
(11
(11
(11
Scanner Motor Driver
SPF Motor Driver
(10-D2)
(10-D2)
(10-D2)
A
A
B
B
C
C
4
3
2
1
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