Sansui HDLCD3200C Service Manual page 39

A I B I C I F I G I H
DDR SDRAM
IC2802 HYB18TC256160BF 3S
DAAO 1.8 M8 A0
DAAI 1.8 M3 A1
....... (!_ .................... ]:8 N7 A2
DAA4 1.8
DAA5 _]_ N8 A4
DAA6 i]_ N3 A5
N7 A6
DAA7 18
P2 A7
DAA8 1.8 P8 A8
DAA9 1.8 P3 A9
..... [!AA]0 ................................................... 1:8 M2 AIO
DAA11 1.8 P7 All
DAA12 1.8 R2 A12
DADQSO 1.8 F7 LDQS
DADOSO N 1.8
E8 LDQS
DADQS1 1.8
B7 UDQS
DQ0 G8
DQ1 G2
DQ2 H7
DQ3 H3
DQ4 H1
DQ5 p_
DO6
DQ7 F9
DQ8 C8
DQ9 C2
DQ10 D7
DQ11 D3
DQ12 D1
DQ13 D9
DQ14 B1
DQ15 B9
CK J8
CK K8
CS L8
] :8 DAQ0
] :8 DAQ1
_].8 ............................................................................................................ DAQ2
]._ ............................................................................................................................................................................................................................. _AQ3 .....
1.8 DAQ4
1.8 DAQ5
i ] D#_
1 8 DAQ7
1.8 DAQ8
118 DAQ9
]8 ........................................................................................................................................................................................................................... EBA]#
18 DAQ11
]_8 DAQ12
1 8 DAQ13
18 DAQ14
_].8 ............................................................................................................................................................................................................................ DAQ]5
/
1.6 _ DACLK
1.8 DACS
, DADQS1N 1.8 A8 UDQS
....... DAQMQ ................................. 1:8-- F3 LDM
DAQM1 1.8 B3 UDM
DACKE 1.8
K2 CKE
DAWE N 1.8
K3 WE
DABA0 1.8 L2 BA0
DABA1 1.8
L3 BA1
0
A3 VSS
0
E3 VSS
0
J3 VSS
0
N1 VSS
0
P9 VSS
0
A7 VSSQ
0
B2 VSSO
0
B8 VSSO
0
D2 VSSQ
0 D8 VSSQ
0
E7 VSSQ
0
F2 VSSQ
0
F8 VSSQ
0
H2 VSSQ
0 H8 VSSQ
0
J7 VSSDL
NC--R8 NC6
NC--R7 NC5
NC--R3 NC4
NC--L1 NC3
NC_E2 NC2
NC--A2 NC1
RAS K7 1.8 DARAS
ODT K9 1.8 DAODT
VDD
VDD
VDD
VDD
VDD
VDDO
VDDQ
VDDQ
VDDQ
VDDO
VDDQ
VDDQ
VDDQ
VDDQ
VDDO
VDDL
VREF
A1
E1
Ec
G1
G_
G]
G_.
31
J2
18
18
18
18
18
18
18
18
18
18
18
18
09
8t_ =
_-_
D1.8V
.7
:7
U I E
DDR SCHEMATIC DIAGRAM
(DIGITAL PCB)
DADQS1 N 1.8
0 NC_
0 NC--
1.8
DAQ3 -- R20
DAQ1 1.8 R21
............ _!@'_ ..................................................................................................................................................... T21
DAQ5 1.8
R18
DAO0 18 P18
DAQ2 1.8
R19
DAQ7 1.8 N20
................................................................................................................................................... !8__
P20
DAQ12 1.8
M20
DAO8 18 L18
DAQ14 1.8
L20
DAQIO 1.8
M18
DAQ13 1.8
.............................................................................................................................................................................................. L19
DAQ11 1.8
N21
DAO15 18
DAQ9 1.8
18 NC_
18 NC--
18 NC--
18 NC--
18 NC_
18 NC_
18 NC--
18 NC--
18 NC--
18 NC--
18 NC--
18 NC--
18 NC--
18
NC_
18 NC--
18 NC--
K19 SDDQS1N
W13 SDDQS2 N
W10 SDDQS3 N
K21
M21
Y14
W15
V14
V15
AA16
Y15
AA15
Y13
Vll
Wll
Yll
V12
AA13
AA12
Y12
AAIO
SDDQO
SDDQ1
SDDO2
SDDQ3
SDDQ4
SDDQ5
SDDO6 VCCQ18 K20
SDDQ7 VSS K17
SDDQ8 VSS L17
SDDQ9 VSS MI_
SDDO10 VCCO18 M1]
SDDO11 SDVREF0 N17
SDDQ12 VCCCQ18 P19
SDDQ13 VSS P17
SDDO14 VSS R17
SDDQ15 VCCQ18 T19
SDDO16 VCCQ18 T17
SDDQ17 VSS U19
SDDQ18 VSS U17
SDDQ19 VCCQ18 V20
SDDO20 VCCO18 WI!
SDDO21 VCCO18 WI_
SDDO22 VSS Wl:
SDDO23 VSS AA21
SDDO24 VSS U16
SDDO25 VSS U15
SDDO26 VCCQ18 U14
SDDQ27 VSS WIz
SDDO28 SDVREF1 U13
SDDO29 VCCQ18 WI_
SDDQ30 VSS U12
SDDO31 VSS Ull
VSS Y10
VCCQ18 U10
1:8
O
1:8
0:9
O
1:8
1.8
1.8
1.8
1.8
1.8
0.9
1.8
1.8
D18V
C2859
1 B
10V(1608)
C2860
10V 22 V S
I
/
NOTE:THIS SCHEMATIC DIAGRAM IS THE EATEST AT THE TIME
OF PRINTING AND StJBJECT TO CHANGE WITHOUT NOTICE:
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVEDIN GOOD CONDITION AND PICTURE IS NORMAL.
I[ FROM REGULATOR2 ]]
GND
: D18V
A I B I C I D I E I r I G I H
J-3 J-4