Sharp XE-A402, Руководство по обслуживанию

Страница: 23 / 25

PC-UM10M
XE-A402 CIRCUIT DIAGRAM AND PWB LAYOUT
– 22 –
A B
C D
87
6
5
4
3
21
1
2
3
4
5
6
7
8
D C B A
1/1
J
1234
56789
1
0
1
1
1
2
14
15
16
17
18
19
20
21
22
23
24
25
26
28
29
30
31
32
33
34
35
36
37
38
39
40
42
43
44
45
46
47
48
49
50
51
53
52
54
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
KEYBO
ARD&MODE SW
XE-A401 KEYBO
ARD
R
27 28 37 49
48 36 29 13
15 16 21 20
74 75 70 69
1 2 7 63
4
35 30 14
41 42 51 50
64 65 56 55
13 27 41 55
D1
1SS133
D2
1SS133
D3
1SS133
D4
1SS133
D5
1SS133
D6
1SS133
D7
1SS133
/S0 /S1 /S2 /S3 /S4 /S5 /S6
VCC
VCC
C1 0.1uF
C2
10uF/16V
C3 0.1uF
R J
1 2 3 4 5 6 7 8 9 10 11 12
CN3
KEY_CN12 52045-1245
/S0 /S1 /S2 /S3 /S4
/S7
/S5 /S6 /S8 /S9
VCC
A
1
B
2
C
3
G2A
4
G2B
5
G1
6
Y7
7
GND
8
VCC
16
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
IC1
74HC138
A
1
B
2
C
3
G2A
4
G2B
5
G1
6
Y7
7
GND
8
VCC
16
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
IC2
74HC138
KS0 KS1 KS2 KS3
VCC
a b
PLA
CE NEAR CONNECTER
FR
OM MAIN
a b
C4
100uF/16V
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
CN1
KEY I/F CN(40Pin)52045-4045
D8
1SS133
D9
1SS133
D10
1SS133
VLED
/S7 /S8 /S9
VCC
P 9 1
VLED
D11
1SS133
C5
0.1uF
D12
1SS133
R17
/S1 /S0
R16
47K*9(R16-R24)
12
34
56
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
CN4
KEY_CN22 52044-2245
K R 0
K R 1
K R 2
K R 3
K R 4
/ S 0
/ S 1
/ S 2
/ S 3
/ S 4
/ S 5
/ S 6
/ S 7
VCC
M D R
K R 5
K R 7
R18
R19
R20
R22
R23
R24
K R 6
R21
MODE SW
61 60 44 38 39 40
26 25 23 45 46 47
19 18 17 8 9 11
79 78 76 71 72 73
5 4 3
77 10 80
12 24 22 31 32 33
62 59 43 52 53 54
68 67 66 57 58 63
/V
ON
/V
ON
/RESET
/RESET
Q8
Q9
Q10
Q11
Q12
VLED
P90
P90 VLED
C6
100pF
R15 47K
R7
12K R14 120
R13 120
R6
12K
R5
12K R12 120
R4
12K R11
120
R3
12K R10 120
Q3
Q4
Q5
Q6
Q7
Q13
P91
KR[0..7]
KR[0..7]
R2
12K
R9
120
R8
120
R1
12K
Q14
KRA101M*7(Q8-Q14)
Q1
KT
A1271*7(Q1-Q7)
Q2
P90 P91 KR0 KR1 KR2 KR3 KR6 P97 /V
ON
c d e f g dp
/S3 /S4 /S5 /S6 /RESET /S9
/RESET P90 P91 KR0 KR1 KR2 KR3 /S9 /V
ON
/S3 /S4 /S5
c d e f g dp
KR4 KR5
KR4 KR5 KR6 KR7
/S2
/S2
/S7
/S7 /S6
KS3 KS2 KS1 KS0
G1' G2' G3' G4' G5' G6' G7' A' B' C' D' E' F' G' DP'
POP UP
G1' G2' G3' G4' G5' G6' G7' A' B' C' D' E' F' G' DP'
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CN2
POP UP CN(15Pin)52806-1510
/S[0..6]
9 PIN :GND 10PIN :
NC
KID65083AP
E '
F '
G '
D P '
e
f
g
d p
/S[0..6]
G 7 '
1 8
1
IC3A
1 7
2
IC3B
1 6
3
IC3C
1 5
4
IC3D
IC3
B '
C '
D '
b
c
da
A '
G 1 '
G 2 '
G 3 '
G 4 '
G 5 '
G 6 '
1 4
5
IC3E
1 3
6
IC3F
1 2
7
IC3G
1 1
8
IC3H