Sharp AR-M350U Service Manual page 36

A
[BUFFER]
2 SYSAD[54:33]
5
4
7,8,10 FOE
IC11C
9
21 FWE0
3
10
3,10,12 ROMWE
74LCX32MTC
3 3_LDATA[15:0]
2
3
1
A
IC21
SYSAD33
47
1A1 1Y1
SYSAD34
46
1A2 1Y2
SYSAD35
44
1A3 1Y3
SYSAD36
43
1A4 1Y4
SYSAD37
41
2A1 2Y1
SYSAD38
40
2A2 2Y2
SYSAD39
38
2A3 2Y3
SYSAD40
37
2A4 2Y4
SYSAD41
36
3A1 3Y1
SYSAD42
35
3A2 3Y2
SYSAD43
33
3A3 3Y3
SYSAD44
32
3A4 3Y4
SYSAD45
30
4A1 4Y1
SYSAD46
29
4A2 4Y2
SYSAD47
27
4A3 4Y3
SYSAD48
26
4A4 4Y4
3.3V
7
VCC
18
VCC
31
VCC 1OE
42
VCC 2OE
C293 C294 C91
3OE
0.1uF 0.1uF 0.1uF
4
GND 4OE
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
74LCX16244MEA
IC12
SYSAD49
2 18
1A1 1Y1
SYSAD50
4 16
1A2 1Y2
SYSAD51
6 14
1A3 1Y3
SYSAD52
8 12
1A4 1Y4
SYSAD53
11 9
2A1 2Y1
SYSAD54
13 7
2A2 2Y2
15 5
2A3 2Y3
17 3
2A4 2Y4
1 20
1OE VCC
19 10
2OE GND
74LCX244MTC
8
FWE1 7,8
IC34
3_LDATA15
47
1D1
3_LDATA14
46
1D2
3_LDATA13
44
1D3
3_LDATA12
43
1D4
3_LDATA11
41
1D5
3_LDATA10
40
1D6
3_LDATA9
38
1D7
3_LDATA8
37
1D8
3_LDATA7
36
2D1
3_LDATA6
35
2D2
3_LDATA5
33
2D3
3_LDATA4
32
2D4
3_LDATA3
30
2D5
3_LDATA2
29
2D6
3_LDATA1
27
2D7
3_LDATA0
26
2D8
1
1OE
24
2OE
48
ALE 1LE
25
2LE
74LCX16373MEA
AR-M350U CIRCUIT DIAGRAM 9-18
B
2,4 SYSAD[31:0]
SYSAD15
2
LA2 SYSAD14
3
LA3 SYSAD13
5
LA4 SYSAD12
6
LA5 SYSAD11
8
LA6 SYSAD10
9
LA7 SYSAD9
11
LA8 SYSAD8
12
LA9 SYSAD7
13
LA10 SYSAD6
14
LA11 SYSAD5
16
LA12 SYSAD4
17
LA13 SYSAD3
19
LA14 SYSAD2
20
LA15 SYSAD1
22
LA16 SYSAD0
23
1
48
C295 C296
25
0.1uF 0.1uF
24
LA17
LA18
LA19
LA20
LA21
LA22
FOE2 7
FWE2 7
3.3V
LA[22:2]
C62
0.1uF
3,10 BOOTCS
IOA15
2
1Q1
IOA14
3
1Q2
IOA13
5
1Q3
IOA12
6
1Q4
IOA11
8
1Q5
IOA10
9
1Q6
IOA9
11
1Q7
IOA8
12
1Q8
IOA7
13
2Q1
IOA6
14
2Q2
IOA5
16
2Q3
IOA4
17
2Q4
IOA3
19
2Q5
IOA2
20
2Q6
IOA1
22
2Q7
23
2Q8
3.3V
7
VCC
18
VCC
31
VCC
42
VCC
C151
4 0.1uF
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
B
C
IC24
MEMD15
47 2
1A1 1B1
MEMD14
46 3
1A2 1B2
MEMD13
44 5
1A3 1B3
MEMD12
43 6
1A4 1B4
MEMD11
41 8
1A5 1B5
MEMD10
40 9
1A6 1B6
MEMD9
38 11
1A7 1B7
MEMD8
37 12
1A8 1B8
MEMD7
36 13
2A1 2B1
MEMD6
35 14
2A2 2B2
MEMD5
33 16
2A3 2B3
MEMD4
32 17
2A4 2B4
MEMD3
30 19
2A5 2B5
MEMD2
29 20
2A6 2B6
MEMD1
27 22
2A7 2B7
MEMD0
26 23
2A8 2B8
3.3V
7
VCC
18
VCC
31 1
VCC 1DIR
42 24
VCC 2DIR
C116
48
1G
0.1uF
4 25
GND 2G
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
74LCX16245MEA
3 ROMBUFOE
3 ROMBUFDIR
7,8,10,12
IC26A
1
3
FMCS9_2
2
74LCX08MTC
IOA[15:1] 10,11
C
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
SYSAD
3.
C292
0.1uF
16 SLCTIN
7
10 SLCTIN_P
IC31
3_LDATA15
47
1A1
3_LDATA14
46
1A2
3_LDATA13
44
1A3
3_LDATA12
43
1A4
3_LDATA11
41
1A5
3_LDATA10
40
1A6
3_LDATA9
38
1A7
3_LDATA8
37
1A8
3_LDATA7
36
2A1
3_LDATA6
35
2A2
3_LDATA5
33
2A3
3_LDATA4
32
2A4
3_LDATA3
30
2A5
3_LDATA2
29
2A6
3_LDATA1
27
2A7
3_LDATA0
26
2A8
3.3V
7
VCC
18
VCC
31
VCC
42
VCC
C193
0.1uF 4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
GND
74LCX1624