Read Sharp AL-1566 (serv.man16) Service Manual 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
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