ViewSonic N1930w-2M Service Manual page 66

19” lcd tv
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8.5. DDR_SDRAM_ 16bit
DDR-SDRAM DATA[15:0]
DDR-SDRAM DATA[15:0]
MADR[12:0]
2,6
VCC2.5V-ST
ViewSonic Corporation
I201
M13S2561616A-5TG_TSOP66
MADR0
R681 22R
29
A0
DQ0
MADR1
MADR1
R682 22R
30
A1
DQ1
MADR2
R683 22R
31
A2
DQ2
MADR3
R684 22R
32
A3
DQ3
MADR4
R685 22R
35
A4
DQ4
MADR5
R686 22R
36
A5
DQ5
MADR6
R687 22R
37
A6
DQ6
MADR7
R688 22R
38
A7
DQ7
MADR8
R691 22R
39
A8
MADR9
R692 22R
40
A9
DQ8
MADR10
R693 22R
28
A10/AP
DQ9
MADR11
R694 22R
41
A11
DQ10
Close to MStar IC
DQ11
WEZ
R202
56R
WEZM0
21
WE
DQ12
CASZ
R203
56R
CASZM0
22
CAS
DQ13
RASZ
R204
56R
RASZM0
23
RAS
DQ14
DQ15
DQS1
R205
22R
LDQS
16
LDQS
DQS0
R206
22R
UDQS
51
UDQS
VREF
Close to DDR-SDRAM
DQM1
R208
22R
LDM0
20
LDM
CLK
DQM0
R210
22R
UDM0
47
UDM
CLK
Close to MStar IC
CKE
BA0
R213
56R
MBA0
26
BA0
BA1
R214
56R
MBA1
27
BA1
NC
NC
24
CS
NC
NC
14
NC
NC
17
NC
NC
34
VSS
MVDD
48
VSS
MVDD
66
VSS
MVDD
6
VSSQ
VDDQ
12
VSSQ
VDDQ
52
VSSQ
VDDQ
58
VSSQ
VDDQ
64
VSSQ
VDDQ
16M X 16bit X 4BK
VCC2.5V-ST
+
C201
C202
C203
C204
C205
+
10u/16V
100nF
100nF
100nF
10u/16V
63
N1930w-2M
Confidential - Do Not Copy
Middle of DRAM and MStar
MDATA[15:0]
DATA8
R661 22R
MDATA8
2
DATA9
R662 22R
MDATA9
4
DATA10
R663 22R
MDATA10
5
DATA11
R664 22R
MDATA11
7
DATA12
R665 22R
MDATA12
8
DATA13
R666 22R
MDATA13
10
DATA14
R667 22R
MDATA14
11
DATA15
R668 22R
MDATA15
13
DATA0
R671 22R
MDATA0
54
DATA1
R672 22R
MDATA1
56
DATA2
R673 22R
MDATA2
57
DATA3
R674 22R
MDATA3
59
DATA4
R675 22R
MDATA4
60
DATA5
R676 22R
MDATA5
62
DATA6
R677 22R
MDATA6
63
DATA7
R678 22R
MDATA7
65
MVREF-1
49
Close to DRAM
R207
CLKN0
R209 150R 1% 0603
46
CLK0
R211
45
MCKE
R212
56R
CKE
44
Close to MStar IC
C104
C105
19
10P
10P
25
R201
56R
MADR12
42
43
50
VCC2.5V-ST
53
1
18
33
3
9
15
VCC2.5V-ST
55
61
R215
1K 1% 0603
C206
C207
C208
C209
C210
R216
100nF
100nF
100nF
100nF
100nF
1K 1% 0603
MCLK+
MCLK-
CKE
WEZ
CASZ
RASZ
BA0
BA1
DQS[1:0]
DQM[1:0]
MADR[12:0]
MDATA[15:0]
22R
MCLK-
22R
MCLK+
MVREF-1
C211
C212
100nF
1nF
MCLK+
6
MCLK-
6
CKE
6
WEZ
6
CASZ
6
RASZ
6
BA0
6
BA1
6
DQS[1:0]
6
DQM[1:0] 6
MADR[12:0] 6
MDATA[15:0] 6

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