Sharp AR-M350U Service Manual page 34

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A
[SDRAM]
5
2
MWE
2
MCS0
2
MRASA
2
MCASA
2
3_MD[63:0]
2
SDQMA[7:0]
2
MAA[12:0]
2
BSEL0A
2
BSEL1A
MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
4
MAA10
MAA11
MAA12
3.3V
21
MEMCLK0
2
CKEA
3
0.1uF
C12
SDQMA3
SDQMA2
2
21
MEMCLK0
1
A
IC4
3_MD0
23
2
A0
QD0
3_MD1
24
4
A1
QD1
3_MD2
25
5
A2
QD2
3_MD3
26
7
A3
QD3
3_MD4
29
8
A4
QD4
3_MD5
30
10
A5
QD5
3_MD6
31
11
A6
QD6
3_MD7
32
13
A7
QD7
33
42
3_MD8
A8
QD8
3_MD9
34
44
A9
QD9
3_MD10
22
45
A10/AP
QD10
3_MD11
35
47
A11
QD11
3_MD12
36
48
A12
QD12
50
3_MD13
QD13
3_MD14
51
QD14
3_MD15
40
53
NC
QD15
1
3
VCC
VCCQ
14
9
VCC
VCCQ
C11
27
43
VCC
VCCQ
28
49
VSS
VCCQ
0.1uF
41
6
VSS
VSSQ
54
12
VSS
VSSQ
46
VSSQ
SDQMA1
39
52
UDQM
VSSQ
SDQMA0
15
LDQM
20
17
BS0
CAS#
21
18
BS1
RAS#
38
19
CLK
CS#
37
16
CKE
WE#
MT48LC8M16A2TG-75
21
MEMCLK0
IC5
MAA0
3_MD16
23
2
A0
QD0
MAA1
3_MD17
24
4
A1
QD1
MAA2
3_MD18
25
5
A2
QD2
MAA3
3_MD19
26
7
A3
QD3
MAA4
3_MD20
29
8
A4
QD4
MAA5
30
10
3_MD21
A5
QD5
MAA6
3_MD22
31
11
A6
QD6
MAA7
3_MD23
32
13
A7
QD7
MAA8
3_MD24
33
42
A8
QD8
MAA9
3_MD25
34
44
A9
QD9
MAA10
3_MD26
22
45
A10/AP
QD10
MAA11
3_MD27
35
47
A11
QD11
MAA12
3_MD28
36
48
A12
QD12
3_MD29
50
QD13
3_MD30
51
QD14
3_MD31
40
53
NC
QD15
1
3
VCC
VCCQ
14
9
VCC
VCCQ
27
43
VCC
VCCQ
28
49
VSS
VCCQ
41
6
VSS
VSSQ
54
12
VSS
VSSQ
46
VSSQ
39
52
UDQM
VSSQ
15
LDQM
20
17
BS0
CAS#
21
18
BS1
RAS#
38
19
CLK
CS#
37
16
CKE
WE#
MT48LC8M16A2TG-75
21
MEMCLK0
AR-M350U CIRCUIT DIAGRAM 9-16
B
3.3V
C297
0.1uF
3.3V
C298
0.1uF
SDQMA7
SDQMA6
B
C
IC6
MAA0
23
2
A0
QD0
MAA1
24
4
A1
QD1
MAA2
25
5
A2
QD2
MAA3
26
7
A3
QD3
MAA4
29
8
A4
QD4
MAA5
30
10
A5
QD5
MAA6
31
11
A6
QD6
MAA7
32
13
A7
QD7
MAA8
33
42
A8
QD8
MAA9
34
44
A9
QD9
MAA10
22
45
A10/AP
QD10
MAA11
35
47
A11
QD11
MAA12
36
48
A12
QD12
50
QD13
51
QD14
3.3V
40
53
NC
QD15
1
3
VCC
VCCQ
14
9
VCC
VCCQ
C13
27
43
VCC
VCCQ
28
49
VSS
VCCQ
0.1uF
41
6
VSS
VSSQ
54
12
VSS
VSSQ
46
VSSQ
SDQMA5
39
52
UDQM
VSSQ
SDQMA4
15
LDQM
20
17
BS0
CAS#
21
18
BS1
RAS#
38
19
CLK
CS#
37
16
CKE
WE#
MT48LC8M16A2TG-75
IC7
MAA0
3_MD48
23
2
A0
QD0
MAA1
3_MD49
24
4
A1
QD1
MAA2
3_MD50
25
5
A2
QD2
MAA3
3_MD51
26
7
A3
QD3
MAA4
3_MD52
29
8
A4
QD4
MAA5
30
10
3_MD53
A5
QD5
MAA6
3_MD54
31
11
A6
QD6
MAA7
3_MD55
32
13
A7
QD7
MAA8
3_MD56
33
42
A8
QD8
MAA9
3_MD57
34
44
A9
QD9
MAA10
3_MD58
22
45
A10/AP
QD10
MAA11
3_MD59
35
47
A11
QD11
MAA12
3_MD60
36
48
A12
QD12
3_MD61
50
QD13
3_MD62
51
QD14
3_MD63
40
53
NC
QD15
1
3
VCC
VCCQ
14
9
VCC
VCCQ
C14
27
43
VCC
VCCQ
28
49
VSS
VCCQ
0.1uF
41
6
VSS
VSSQ
54
12
VSS
VSSQ
46
VSSQ
39
52
UDQM
VSSQ
15
LDQM
20
17
BS0
CAS#
21
18
BS1
RAS#
38
19
CLK
CS#
37
16
CKE
WE#
MT48LC8M16A2TG-75
C
2
2
2
3_MD32
3_MD33
3_MD34
3_MD35
3_MD36
3_MD37
3_MD38
3_MD39
3_MD40
3_MD41
3_MD42
3_MD43
3_MD44
3_MD45
3_MD46
3_MD47
3.3V
C299
0.1uF
2
2
2
2
3.3V
C300
0.1uF

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