Sharp XE-A202 Service Manual - Page 21

Xe-a202u, Circuit Diagram And Pwb Layout

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8 7 6 5 4 3 2 1 4/4 D D R2 47 10 K R2 42 10 K R2 43 C8 5 0.1uF 10 K C C8 6 0.1uF P64 P6 4 (BUSY:FOR BOOT) P74 P7 4 P67 P6 7 P6 6 P6 6 P7 5 P7 5 P7 7 P7 6 /S9 P7 7 P7 6 /S9 D16 1SS3 55 B P9 1 P9 1 KRC 111S Q14 VCC C84 VCC 11 0.1uF 12 C1+ 14 C115 C2+ 16 C2- 7 T1IN 6 T2IN 20 T3IN 21 T4IN 8 R1OUT 5 R2OUT 26 R3OUT 22 R4OUT 19 R5OUT 24 /EN V+ 13 V- 17 T1OUT 2 T2OUT 3 T3OUT 1 T4OUT 28 R1IN 9 R2IN 4 R3IN 27 R4IN 23 R5IN 18 /SHDN 25 10 10 IC 14 HIN 211 C87 0.1uF C89 0.1uF VCC + C88 10uF /50V EFCB322513TS X 8 FB8 FB9 FB10 R1 08 R1 09 R1 10 R1 11 R1 12 100ohm*5 C90 C91 C92 C93 C94 FB11 FB12 FB13 /CI FB14 FB15 VCC /R S /ER /SD RD /CD /DR /C S 1000pF*5 /CD RD /SD /ER /DR /R S /C S /CI 5V C CN9 1 2 3 4 5 6 7 8 9 DB R50-09K1300 B XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT - 20 - A A 8 7 6 5 4 3 2 1

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XE-A202U
CIRCUIT DIAGRAM AND PWB LAYOUT
– 20 –
(BUSY:FOR BOOT)
/CI 5V
100ohm*5
1000pF*5
EFCB322513TS X 8
P6 7
/R S
P7 4
RD
RD
/CI
/CD
P7 7
/DR
/SD
/S9
/ER
P6 4
P9 1
/SD
/R S
P6 6
P7 5
/DR
/C S
/CD
P7 6
/C S
/ER
P76
P66
P77
P91
P75
/S9
P64
P74
P67
VCC
VCC
VCC
C87
0.1uF
C8 6
0.1uF
CN9
DB R50-09K1300
1
2
3
4
5
6
7
8
9
R2 47
10K
FB8
Q14
KRC 111S
C91
R2 42
10K
C8 5
0.1uF
C84
0.1uF
IC14
HIN 211
12
14
15
16
7
6
20
21
8
5
26
22
19
24
13
17
2
3
1
28
9
4
27
23
18
25
11
10
C1+
C1-
C2+
C2-
T1IN
T2IN
T3IN
T4IN
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
/EN
V+
V-
T1OUT
T2OUT
T3OUT
T4OUT
R1IN
R2IN
R3IN
R4IN
R5IN
/SHDN
VCC
10
FB11
R1 09
C93
FB12
FB9
FB13
R2 43
10K
FB10
C89
0.1uF
R1 08
FB14
+
C88
10uF /50V
R1 10
R1 11
C94
D16
1SS3 55
FB15
C90
C92
R1 12
A
B
C
D
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
D
C
B
A
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