Sharp AL-1661CS Service Manual page 169

C
VCC3
V/3.3V
IC10
20
VCC
2 18
1A1 1Y1
4 16
1A2 1Y2
6 14
1A3 1Y3
8 12
1A4 1Y4
11 9
2A1 2Y1
13 7
2A2 2Y2
15 5
2A3 2Y3
17 3
2A4 2Y4
1
1G
19
2G
10
GND
74LCX244
3.3V
IC12
20
VCC
2 18
1A1 1Y1
4 16
1A2 1Y2
6 14
1A3 1Y3
8 12
1A4 1Y4
11 9
2A1 2Y1
13 7
2A2 2Y2
15 5
2A3 2Y3
17 3
2A4 2Y4
1
1G
19
2G
10
GND
74LCX244
3.3V
IC14
20
VCC
2 18
1A1 1Y1
4 16
1A2 1Y2
6 14
1A3 1Y3
8 12
1A4 1Y4
11 9
2A1 2Y1
13 7
2A2 2Y2
15 5
2A3 2Y3
17 3
2A4 2Y4
1
1G
19
2G
10
GND
74LCX244
3.3V
IC16
20
VCC
2 18
1A1 1Y1
R345
4 16
1A2 1Y2
33J
6 14
1A3 1Y3
8 12
1A4 1Y4
11 9
2A1 2Y1
13 7
2A2 2Y2
15 5
2A3 2Y3
17 3
2A4 2Y4
1
1G
19
2G
10
GND
74VHCT244
IC19
20
VCC
2 18
1A1 1Y1
4 16
1A2 1Y2
6 14
1A3 1Y3
8 12
1A4 1Y4
11 9
2A1 2Y1
13 7
2A2 2Y2
15 5
2A3 2Y3
17 3
2A4 2Y4
1
1G
19
2G
10
GND
74LCX244
C
D
3.3V
(KEYIN) (1-A3)
(SIN1)
(SIN2)
(SIN3)
SPFS#
SRRC#
SGS#
SPUS#
C86
0.1u
VCC3
3.3V
BR88 33J
1 8
2 7
(OP_CLK)
3 6
(OP_DATA)
4 5
(OP_LATCH)
(PSL)
(FW)
(BZR)
R342
(/ASIC_RST)
100J
C89 C388
OPEN
0.1u
VCC3
3.3V
(SPFMT0) (6-B1)
(SPFMT1) (6-B1)
(SPFMT2) (6-B1)
(SPFMT3) (6-B1)
C92 BR67
0.1u
10kJ
5V
5V
(SELIN1)
(SELIN2)
(SELIN3)
(KEYSC1)
(KEYSC2)
(KEYSC3)
(TM)
(TM_)
VCC3
3.3V
(LCDDB7)
(LCDDB6)
(LCDDB5)
(LCDDB4)
(LCDE)
(LCDRS)
R323 1kJ /RESET#
R324 33J
/RESET1
D
AL-1661CS CIRCUIT DIAGRAM 13 - 8
5V
R54
10kJ
(11-B2) /SYNC
C85
47p
(10-E3)
(10-E3)
(10-E3)
(10-E4)
(10-E3)
(2-C1)
VIDEO#
5V
C380
0.1u
(4-A4) (10-E3)
(4-A4) (10-E3)
(4-A4) (10-E3)
(10-E3)
(10-E3)
(10-E3)
(6-D2)
(6-D2)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
(10-E3)
E
VCC3
IC45
5
Vcc
1 6
(/SYNC) (2-E1)
A1 Y1
C379
3 4
A2 Y2
0.1u
2
GND
NC7WZ17
5V
IC107
1
4
/VIDEO
2 R61 100J
NC7ST08M5X
E
4/14
4
3
(11-A2)
2
1