Read Sharp XE-A212 Service Manual online
XE-A212V
CIRCUIT DIAGRAM AND PWB LAYOUT
– 18 –
*IC19 2
0Pin:VCC
10Pin:GND
*IC14
GND:10pin
VCC:20pin
FOR POP UP
& KEY I/F
FB1,2,3:JUMPE
R WIRE
DRAWER1
STANDARD
RIGHT-A
NGLE CON
ST
RAIGHT CON
-->PATTE
RN SHART
for 2 Line
LCD I/F
for Rear
LCD I/F
SK42
3
B16B-XH-A
40F
E-BT-VK-N
A0
A1
/LE
0W
/LE
1W
/LE
1W
/WR
/LE
3W
/LE
0R
/LE
1R
/CS3
A3
/LE
2R
BL
ON
/LE
2R
/LE1
R
EE
RS
/LE
3R
KR0
KR1
KR2
KR3
KR4
KR5
KR6
KR7
/LE0
R
D[0..7]
/RESET
P9
0
/S9
/S2
/S4
c
dp
e
b
/S3
KS2
KS0
g
a
KS3
/S6
KS1
d
f
KR4
KR6
KR7
KR3
KR1
KR5
KR0
KR2
P9
1
KR10
KR11
KR8
KR9
KS1
KS0
KS2
KS3
KR8
KR10
KR9
KR11
LCDON
K
R/W
EE
R/W
R/W
RS
RS
VCC
DB[0..7]
DB3
DB4
DB6
DB6
DB6
DB1
DB3
DB4
DB1
DB2
DB1
DB5
DB0
DB2
DB0
DB7
DB0
DB3
DB5
DB7
DB4
DB2
DB7
DB5
P91
/VON
D5
d
c
D2
dp
D7
D4
D7
D3
D5
D4
D2
D0
D0
b
D4
D2
D6
D0
D1
D3
D2
e
D1
D3
D1
D1
D2
D5
D1
D0
D1
D7
D0
a
D3
D3
D3
GND
D0
D5
/LD0W
D7
D5
D7
D0
g
D6
D3
D6
D6
D6
f
D4
D2
D2
D1
D4
/S6
A0
1,2
A1
1,2
/CS3
1
A3
1,2
/WR
1,2
/LDCS
1
BL
ON
1
/POFF
1,5
/RES
1,2,4
/RESET
1
MDR
1
P91
1,4,6
/S9
6
/S2
/S4
4
/S3
4
/S6
/CTS2
6
/DR2
6
/CD2
6
/CI2
6
LCDON
1
P9
1
1,4,6
/S6
PLDATA
1
/PLWR
1
/PLRD
1
/PLCS
1
/VON
5
D[0..7]
1,2
DRAWER1
1
VCC
VCC
VCC
VCC
VLED
VCC
VCC
VLED
VDRW
VCC
VCC
VCC
VCC
VCC
VCC
VCC
R102
22
K
C81
0.1
uF
C72
100pF
+
C76
22uF/10V,OS
+
C68
10uF/50V
C69
0.1
uF
R103
4.7K
IC15
74HC374
1
2
3
4
5
6
7
9
10
8
20
19
18
17
15
16
14
13
12
11
QE
Q0
D0
D1
Q1
Q2
D2
Q3
GND
D3
VCC
Q7
D7
D6
Q5
Q6
D5
D4
Q4
LE
IC20
74HC374
1
2
3
4
5
6
7
9
10
8
20
19
18
17
15
16
14
13
12
11
QE
Q0
D0
D1
Q1
Q2
D2
Q3
GND
D3
VCC
Q7
D7
D6
Q5
Q6
D5
D4
Q4
LE
C83
0.1
uF
Q3
KRC111S
B
E
C
R94
10
K
CN4
R-LCD CN
1
2
3
4
5
6
IC14
74HC273
3
4
7
8
13
14
17
18
11
1
2
5
6
9
12
15
16
19
D1
D2
D3
D4
D5
D6
D7
D8
CLK
CLR
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
FB3
(JUMPER)
+
C134
10uF/16V
C66
0.1
uF
C67
0.1
uF
CN6
DR CN(2Pin)5046-03A
1
2
3
IC17
BA00ASFP
2
1
4
5
6
3
R99
12
K
D21
1SS3
55
A
K
Q2
2SD2212
B
E
C
C82
0.1
uF
R96
5.6K
R100
10
K
IC21
74HC245
1
2
3
4
5
6
7
9
10
8
20
19
18
17
15
16
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A8
GND
A7
VCC
1G
B1
B2
B4
B3
B5
B6
B7
B8
CN5
DR CN(2Pin)5045-03A
1
2
3
IC16
74HC138
1
2
3
4
5
6
7
8
16
9
10
11
12
13
14
15
A
B
C
G2A
G2B
G1
Y7
GND
VCC
Y6
Y5
Y4
Y3
Y2
Y1
Y0
CN2
KEY I/F RELAY CN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
IC19
74HC244
2
4
6
8
11
13
15
17
1
19
18
16
14
12
9
7
5
3
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1G
2G
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
FB2
(JUMPER)
F1
T400mA/25
0V
+
C78
10uF/50V
C79
0.1
uF
D2
1SS3
55
AK
D3
1SS3
55
AK
R93
10K
R98
2.4KF
FB1
(JUMPER)
CN3
F-LCD CN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R104
10
K
+
C74
10uF/50V
C84
100pF
C75
0.1
uF
IC4D
74LV0
0A
12
13
11
+
C77
22uF/16V
R101
1.8K
C73
10
0pF
D4
1SS3
55
A
K
+
C70
10uF/50V
D22
1SR154-4
00
C71
0.1u
F
R95
10
K
C80
100pF
IC18
74HC245
1
2
3
4
5
6
7
9
10
8
20
19
18
17
15
16
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A8
GND
A7
VCC
1G
B1
B2
B4
B3
B5
B6
B7
B8
R97
10K
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
3/7
I/O I/F CIRCUIT
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