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A
B
8
7
C2816
6
10V
0.1
B
1005
R2800
100 1/16W
+-1%
1005
5
4
3
2
FROM/TO SCALER POWER
VCCQ18
GND
1
A
B
G-11
C
DDR2 SCHEMATIC DIAGRAM
DDR2_SDRAM IC
IC2802
EM68B16CWPA-25H
1.7
SDDQ0
DQ0
G8
1.8
1.7
R1
VDD
SDDQ5
1.8
DQ1
G2
M9
VDD
1.7
1.8
SDDQ1
J9
VDD
DQ2
H7
1.8
1.7
E1
VDD
SDDQ4
1.8
DQ3
H3
A1
VDD
1.7
SDDQ6
H1
DQ4
1.7
SDDQ7
DQ5
H9
1.7
SDDQ2
DQ6
F1
1.7
SDDQ3
1.8
DQ7
F9
G9
VDDQ
1.8
1.7
SDDQ8
G7
VDDQ
DQ8
C8
1.8
G3
VDDQ
1.7
SDDQ11
1.8
C2
G1
VDDQ
DQ9
1.8
1.7
SDDQ13
E9
VDDQ
DQ10
D7
1.8
C9
VDDQ
1.7
SDDQ14
1.8
DQ11
D3
C7
VDDQ
1.8
1.7
SDDQ9
C3
VDDQ
DQ12
D1
1.8
C1
VDDQ
1.7
SDDQ10
1.8
DQ13
D9
A9
VDDQ
1.8
1.7
SDDQ12
J1
VDDL
DQ14
B1
1.7
SDDQ15
DQ15
B9
0.9
J2
VREF
1.8
LDM
F3
1.8
UDM
B3
1.8
LDQS
F7
1.8
E8
LDQS
1.8
UDQS
B7
1.8
UDQS
A8
R8
NC5
NC
1.8
DACLK
J8
CK
R7
NC4
NC
1.8
DACLK_N
CK
K8
NC
R3
NC3
NC
E2
NC2
NC
A2
NC1
1.8
DRAM_A0
A0
M8
1.8
DRAM_A1
A1
M3
1.8
DRAM_A2
A2
M7
1.8
DRAM_A3
A3
N2
1.8
DRAM_A4
A4
N8
1.8
DRAM_A5
A5
N3
1.8
DRAM_A6
A6
N7
1.8
DRAM_A7
DRAM_A4
A7
P2
DRAM_CAS
1.8
DRAM_A8
A8
P8
DRAM_A11
1.8
DRAM_A9
A9
P3
DRAM_A0
1.8
DRAM_A10
0
A10
M2
A3
VSS
1.8
DRAM_A11
0
A11
P7
E3
VSS
1.8
DRAM_A12
A12
R2
0
J3
VSS
DRAM_A10
0
DRAM_A1
N1
VSS
0
DRAM_BA1
1.8
DRAM_RAS
P9
VSS
RAS
K7
DRAM_A9
0
1.8
DRAM_CAS
A7
CAS
L7
VSSQ
0
1.8
DRAM_ODT
ODT
K9
B2
VSSQ
1.8
DRAM_BA2
0
BA2(NC)
L1
B8
VSSQ
1.8
DRAM_BA1
BA1
L3
0
D2
VSSQ
1.8
DRAM_BA0
DRAM_WE
BA0
L2
0
DRAM_BA0
1.8
DRAM_WE
D8
VSSQ
WE
K3
DRAM_BA2
0
1.8
DRAM_CKE
E7
CKE
K2
VSSQ
DRAM_A3
0
F2
VSSQ
0
F8
VSSQ
0
DRAM_A5
H2
VSSQ
DRAM_A12
0
DRAM_CKE
H8
VSSQ
0
DRAM_A7
J7
VSSDL
CS
L8
DRAM_RAS
DRAM_A6
DRAM_A2
DRAM_ODT
DRAM_A8
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
SDDQ0
SDDQ1
SDDQ2
SDDQ3
SDDQ4
SDDQ5
SDDQ6
SDDQ7
SDDQ8
SDDQ9
SDDQ10
SDDQ11
SDDQ12
SDDQ13
SDDQ14
SDDQ15
DADQM0
DADQM1
DADQS0
DADQS0_N
DADQS1
DADQS1_N
R2842
SDCLK
SDCLK_N
10 1/16W 1005
SDBA2
R2843
SDBA1
SDBA0
10 1/16W 1005
SDODT
SDCKE
SDRAS
SDCAS
SDWE
NR2800
4D02WGJ0330TCE
SDA4
SDCAS
SDA11
SDA0
NR2801
4D02WGJ0330TCE
SDA10
SDA1
SDBA1
SDA0
SDA9
SDA1
SDA2
SDA3
NR2802
4D02WGJ0330TCE
SDA4
SDWE
SDBA0
SDA5
SDBA2
SDA6
SDA3
SDA7
NR2803
SDA8
4D02WGJ0330TCE
SDA5
SDA9
SDA12
SDCKE
SDA10
SDA7
SDA11
SDA12
NR2814
4D02WGJ0330TCE
SDRAS
SDA6
SDA2
SDODT
R2829
SDA8
33 1/16W 1005
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
SCALER IC
IC2801
R8A66983BG-U0
1.7
N4
SDDQ0
1.7
R3
SDDQ1
1.7
T4
SDDQ2
1.7
P3
SDDQ3
1.7
T2
SDDQ4
1.7
R4
SDDQ5
1.7
T3
SDDQ6
1.7
P4
SDDQ7
1.7
P8
SDDQ8
1.7
T5
SDDQ9
1.7
N7
SDDQ10
1.7
P6
SDDQ11
1.7
R6
SDDQ12
1.7
P7
SDDQ13
1.7
N8
SDDQ14
1.7
R8
SDDQ15
1.8
R5
SDDM0
1.8
T6
SDDM1
1.8
P5
SDDQS0
1.8
N5
SDDQS0_N
1.8
R7
SDDQS1
1.8
T7
SDDQS1_N
1.8
R2
SDCLK
1.8
R1
SDCLK_N
1.8
P1
SDBA2
1.8
K4
SDBA1
1.8
N2
SDBA0
1.8
K2
SDODT
1.8
L3
SDCKE
1.8
J3
SDRAS
1.8
1.8
H3
SDCAS
1.8
L4
SDWE
SDVREF0
M5
(PD2)SDVREF1
N3
1.8
J1
SDA0
1.8
L1
SDA1
1.8
K1
SDA2
1.8
M3
SDA3
1.8
H1
SDA4
1.8
R2809
M1
SDA5
0.9
DD_CL
H4
1.8
K3
SDA6
150 1/16W
+-1%
1.8
N1
SDA7
1005
1.8
H2
SDA8
1.8
L2
SDA9
1.8
J4
SDA10
1.8
J2
SDA11
1.8
1.8
M2
SDA12
F
G
H
8
7
6
5
R2846
100 1/16W
+-1%
1005
C2837
10V
0.1
B
1005
4
3
2
PCBF40
CML222
1
H
G-12
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