Toshiba e-Studio 162 Service Manual page 132

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C
VCC3
R49
10kJ
A17
D15
D7
D14
D6
D13
D5
D12
D4
D11
D3
D10
D2
D9
D1
D8
D0
RDZ
/CS0
(1-A2)
A1
C75
0.1u
5
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
15
(2-A2)
DQM0
LDQM
16
(2-A2)
/SDWDE
WE
17
(2-A2)
/SDCAS
CAS
18
(2-A2)
/SDRAS
RAS
19
(2-A3)
/SDCS
CS
20
(2-A3)
BANK0
BA0
21
(2-A3)
BANK1
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
e-STUDIO162/162D/151/151D CIRCUIT DIAGRAM 14 - 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
39
DQM1
(2-A2)
UDQM
38
CLK
SDCLK
(2-A2)
37
CLKE
SDCKE
(2-A2)
36
NC
35
A11
34
A9
33
A8
32
A7
31
A6
30
A5
29
A4
28
VSS
C399
N.M.
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
MAD12
MAD11
MAD9
MAD8
MAD7
MAD6
MAD5
MAD4
MAD[12..0]
(2-A3)
E
3/14
4
3
2
1

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