ViewSonic VT2730-1M Service Manual page 69

8.4. DDR2
DDR1.8V
VCC1.8V L129
0R
C331 C333
0.1uF C332 0.1uF
10uF/10V/Y5V
Close to DDR Power Pin
Close to MST IC
A_MADR[12:0]
RP04 22x4
A_MADR5
A_MADR10
A_MADR1
A_MADR12 RP05 22x4
A_MADR7
A_MADR9
A_MADR3
A_MADR0 RP07 22x4
A_MADR2
A_MADR4
A_MADR6
A_MADR8 R315 22
A_MADR11 R316 22
A_BA0 R317 56
A_BA1 R318 56
A_MCLK R319 22
A_MCLKZ R321 22
A_CKE R322 56
R323 NC/0R
Close to MST IC
A_RASZ R327 22
A_CASZ R328 22
A_WEZ R329 22
A_ODT R330 22
Close to MST IC
64MB: R323=>NC, R331=>NC, R330=>22 ohm
128MB: R323=>0 ohm, R331=>1K, R330=>NC
ViewSonic Corporation
DDR1.8V
C323 C324 C325 C326
0.1uF 0.1uF 0.1uF 0.1uF
DDR1.8V
C334 C335 C336 C337
0.1uF 0.1uF 0.1uF 0.1uF
DDR1.8V
A-MADR5
A-MADR10
A-MADR1
A-MADR12
A-MADR7
A-MADR9 A-MADR0
M8
A0
A-MADR3 A-MADR1
M3
A1
A-MADR2
M7
A2
A-MADR3
N2
A3
A-MADR0 A-MADR4
N8
A4
A-MADR2 A-MADR5
N3
A5
A-MADR4 A-MADR6
N7
A6
A-MADR6 A-MADR7
P2
A7
A-MADR8
P8
A8
A-MADR8 A-MADR9 I118
P3
A9
A-MADR11 A-MADR10 EM68B16CWPA-25H
M2
A10
A-MADR11
P7
A11
A-MADR12
R2
A12
M0-BA0
L2
BA0
M0-BA1
L3
BA1
M0_CLK+
J8
CK
L1
R320 NC/150
BA2
M0_CLK- K8
CK
M0-CKE
K2
CKE
BA2
RASZM0
CASZM0
WEZM0
A-ODT
DDR1.8V
R331 NC/1K
Erton : EM68B16CWPA-25H
Zentel : A3R12E14JFF
Elpida :
C327 C328 C329 C330
0.1uF 0.1uF 0.1uF 0.1uF
C338 C339 C340 C341 C342
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
DDR1.8V
R310
1K
MVREF-1 MVREF-1
R311
1K C343 C344
0.1uF 1nF
A-DQS0P
F7
LDQS
E8 A-DQS0M
LDQS
F3 A-DQM0 A-MDATA11
LDM
A-MDATA0 A-MDATA12
G8
DQ0
A-MDATA1 A-MDATA9
G2
DQ1
H7 A-MDATA2 A-MDATA14
DQ2
A-MDATA3
H3
DQ3
A-MDATA4 A-MDATA4
H1
DQ4
H9 A-MDATA5 A-MDATA3
DQ5
A-MDATA6 A-MDATA1
F1
DQ6
F9 A-MDATA7 A-MDATA6
DQ7
A-MDATA8 A-MDATA15
C8
DQ8
C2 A-MDATA9 A-MDATA8
DQ9
A-MDATA10 A-MDATA10
D7
DQ10
D3 A-MDATA11 A-MDATA13
DQ11
D1 A-MDATA12
DQ12
A-MDATA13 A-MDATA7
D9
DQ13
B1 A-MDATA14 A-MDATA0
DQ14
B9 A-MDATA15 A-MDATA2
DQ15
B7 A-DQS1P A-MDATA5
UDQS
A8 A-DQS1M
UDQS
B3 A-DQM1
UDM
DDR2 32Mx16bit (64Mbye)
EDE5116AJBG-8E-E
68
A_MADR[12:0]
A_MDATA[15:0]
A_CASZ
A_RASZ
A_WEZ
A_CKE
A_ODT
A_BA1
A_BA0
A_MCLKZ
A_MCLK
A_DQM0
A_DQM1
A_DQS1M
A_DQS1P
A_DQS0M
A_DQS0P
Close to DDR2
R312 56 A_DQS0P
R313 56 A_DQS0M
R314 56 A_DQM0
Close to DDR2
A_MDATA[15:0]
RP06 56x4 A_MDATA11
A_MDATA12
A_MDATA9
A_MDATA14
RP08 56x4 A_MDATA4
A_MDATA3
A_MDATA1
A_MDATA6
RP09 56x4 A_MDATA15
A_MDATA8
A_MDATA10
A_MDATA13
RP10 56x4 A_MDATA7
A_MDATA0
A_MDATA2
A_MDATA5
Close to DDR2
R324 56 A_DQS1P
R325 56 A_DQS1M
R326 56 A_DQM1
Confidential - Do Not Copy
A_MADR[12:0] 4
A_MDATA[15:0] 4
A_CASZ 4
A_RASZ 4
A_WEZ 4
A_CKE 4
A_ODT 4
A_BA1 4
A_BA0 4
A_MCLKZ 4
A_MCLK 4
A_DQM0 4
A_DQM1 4
A_DQS1M 4
A_DQS1P 4
A_DQS0M 4
A_DQS0P 4
VT2730-1M