Ddr2 - Sanyo DP32671 Service Manual

A B
8
7
C2815
6
10V 0.1 B 1005
5
4
3
2
FROM SCALER POWER
VCCQ18
GND
1
A B
G-11
C
DDR2 SCHEMATIC DIAGRAM
DDR2_SDRAM IC
IC2802
H5PS5162FFR-S5C
1.7
SDDQ0
DQ0 G8
1.8
1.7
R1 VDD SDDQ1
1.8 DQ1 G2
M9 VDD
1.7
1.8 SDDQ2
DQ2
J9 VDD H7
1.8
1.7
E1 VDD SDDQ3
1.8 DQ3 H3
A1 VDD
1.7
SDDQ4
H1
DQ4
1.7
SDDQ5
DQ5 H9
1.7
SDDQ6
DQ6 F1
1.7
SDDQ7
1.8
DQ7 F9
G9 VDDQ
1.8 1.7
SDDQ8
G7 VDDQ
DQ8 C8
1.8
G3 VDDQ 1.7
SDDQ9
1.8
C2
G1 DQ9
VDDQ
1.8 1.7
SDDQ14
E9 VDDQ
DQ10 D7
1.8
C9 VDDQ 1.7
SDDQ13
1.8
DQ11 D3
C7
VDDQ
1.8 1.7
SDDQ11
C3 VDDQ
DQ12 D1
1.8
C1 VDDQ 1.7
SDDQ12
1.8
DQ13 D9
A9 VDDQ
1.8 1.7
SDDQ10
J1
VDDL DQ14 B1
1.7
SDDQ15
DQ15 B9
0.9
VREF
J2
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
A7 P2
1.8 DRAM_A8
A8
P8
1.8 DRAM_A9
A9 P3
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
0
N1 VSS
DRAM_A4
0
1.8 DRAM_RAS
P9 VSS
RAS K7 DRAM_CAS
0 1.8 DRAM_CAS
A7 CAS L7
VSSQ
DRAM_A11
0 1.8 DRAM_ODT
ODT K9
B2 VSSQ
DRAM_A0
1.8 DRAM_BA2
0
BA2(NC) L1
B8 VSSQ
1.8 DRAM_BA1 DRAM_A10
BA1 L3
0
D2 VSSQ 1.8 DRAM_BA0
DRAM_A1
BA0 L2
0
1.8 DRAM_WE
D8 VSSQ
WE K3 DRAM_BA1
0
1.8 DRAM_CKE
E7 CKE K2
VSSQ
DRAM_A9
0
F2 VSSQ
DRAM_WE
0
F8 VSSQ
DRAM_BA0
0
H2 VSSQ
DRAM_BA2
0
H8 VSSQ
DRAM_A3
0
J7 VSSDL
DRAM_A5
CS L8
DRAM_A12
DRAM_CKE
DRAM_A7
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
6.8 1/16W 1005
SDBA2
R2843 SDBA1
SDBA0
6.8 1/16W 1005
SDODT
SDCKE
SDRAS
SDCAS
SDWE
R2895
SDA4
R2907 SDA0
15 1/16W 1005 SDCAS
R2897
SDA1
15 1/16W 1005 SDA11
R2909 SDA2
15 1/16W 1005 SDA0
R2899 SDA3
SDA10
15 1/16W 1005
R2910 SDA4
15 1/16W 1005 SDA1
R2900 SDA5
15 1/16W 1005 SDBA1
R2911
SDA6
15 1/16W 1005 SDA9
R2901 SDA7
15 1/16W 1005 SDWE
R2912 SDA8
15 1/16W 1005 SDBA0
R2906 SDA9
15 1/16W 1005 SDBA2
R2921 SDA10
15 1/16W 1005 SDA3
R2902
SDA11
15 1/16W 1005 SDA5
R2913 SDA12
15 1/16W 1005 SDA12
R2903
15 1/16W 1005 SDCKE
R2914
15 1/16W 1005 SDA7
R2904
SDRAS
15 1/16W 1005
R2918
15 1/16W 1005 SDA6
R2905
15 1/16W 1005 SDA2
R2919
15 1/16W 1005 SDODT
R2841
15 1/16W 1005 SDA8
15 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
100 1/16W
10V
(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
+-1%
1005
C2837
0.1 B 1005
4
3
2
PCBF40
CMK199
1
H
G-12