Sharp AL-1651CS Service Manual page 119

Digital multifunctional system
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C
VCC3
R49
10kJ
48
A17
47
46
45
D15
44
D7
43
D14
42
D6
41
D13
40
D5
39
D12
38
D4
37
36
D11
D3
35
34
D10
33
D2
32
D9
31
D1
30
D8
29
D0
28
RDZ
27
/CS0
(1-A2)
26
25
A1
C75
0.1u
BL85
LH28F800BJE-PBTL90
0J
C
D
VCC3
IC6
1
VCC
RAMDB0
2
DQ0
3
VCCQ
RAMDB1
4
DQ1
RAMDB2
5
DQ2
6
VSSQ
RAMDB3
7
DQ3
RAMDB4
8
DQ4
9
VCCQ
RAMDB5
10
DQ5
RAMDB6
11
DQ6
12
VSSQ
RAMDB7
13
DQ7
14
VCC
(2-A2)
DQM0
15
LDQM
(2-A2)
/SDWDE
16
WE
(2-A2)
/SDCAS
17
CAS
(2-A2)
/SDRAS
18
RAS
(2-A3)
/SDCS
19
CS
(2-A3)
BANK0
20
BA0
(2-A3)
BANK1
21
BA1
MAD10
22
A10
MAD0
23
A0
MAD1
24
A1
MAD2
25
A2
MAD3
26
A3
27
VCC
SDRAM (16bit x 4bank)
VCC3
C76
C77
0.1u
0.1u
IC6
SDRAM
128Mb(2Mx16bitx4bank)
64Mb(1Mx16bitx4bank)
D
AL-1651CS CIRCUIT DIAGRAM 13 - 6
VCC3
54
VSS
53
RAMDB15
DQ15
52
VSSQ
51
RAMDB14
DQ14
50
RAMDB13
DQ13
49
VCCQ
48
RAMDB12
DQ12
47
RAMDB11
DQ11
46
VSSQ
45
RAMDB10
DQ10
44
RAMDB9
DQ9
43
VCCQ
42
RAMDB8
DQ8
41
VSS
40
NC
DQM1
(2-A2)
39
UDQM
SDCLK
(2-A2)
38
CLK
SDCKE
(2-A2)
37
CLKE
36
NC
35
A11
34
A9
33
A8
32
A7
31
A6
30
A5
29
A4
28
VSS
C78
C79
C80
C81
C82
0.1u
0.1u
0.1u
0.1u
0.1u
Vendor/Type
MT48LC8M16A2TG-75(Micron)
HY57V281620HCT(Hyndai)
K4S281632E-TC75(Samsung)
W981216BH-75(Winbond)
HY57V641620HGT-P(Hyndai)
MT48LC4M16A2TG-75(Micron)
K4S641632F-TC75(Samsung)
K4S641632E-TC1H(Samsung)
W986416DH-7(Winbond)
E
RAMDB[15..0]
(2-A2)
R50
0J
1
2
MAD12
MAD11
MAD9
MAD8
MAD7
MAD6
MAD5
MAD4
MAD[12..0]
E
3/14
4
3
2
(2-A3)
1

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