Chapter 7. Circuit Diagram And Pwb Layout - Sharp XE-A102 Service Manual

11
10
8
6
5
13 12
7
9
16
15
14
3
2
1
18
/ST1
17
4
11
10
8
6
5
13 12
7
9
16
14 15
3
2
1
18
/ST2 17
4
11
10
8
6
5
13 12
7
9
16
14 15
3
2
1
18
/ST3
17
4
11
10
8
6
5
13 12
7
9
16
14 15
3
2
1
18
/ST4
17
4
7
6
8 4
2
3 1
9
10
5
ST5
GND
2
/POF
1
3
P72/TI50/TO50
49
P73/TI51/TO51
50
P74/PCL
51
P75/BUZ
52
P64/-RD
53
P65/-WR
54
P66/-WAIT
55
P67/ASTB
56
P40/AD0
KST1 57
P41/AD1 P25/ASCK0
KST2 58
P42/AD2
KST3 59
P43/AN3 P23/RXD0
KST4 60
P44/AD4 P22/-SCL30
KST5 61
P45/AD5 P21/SO30
62
KST6
P46/AD6
KST7 63
P47/AD7 P36/-SCK31
KST8 64
XE-A102 CIRCUIT DIAGRAM AND PWB LAYOUT
– 11 –
TRG
MTR
T
R
t
2
DP2
SG2
DP1
SG1
KR1
P11/AN11
32 KR2
P12/AN12
31 KR3
P13/AN13
30 KR4
P14/AN14
29 KR5
P15/AN15
28 KR6
P16/AN16
27
P17/AN17
26
AVSS
25
VDD1
24
23 SF1
P24/TXD0
22
SE1
21 SD1
20 SC1
19 SB1
P20/SI30
18 SA1
17
+
+
RWND
KV8
KV7
KV6
KV5
KV4
KV3
KV2
KV1