Ddr2 - Sanyo DP26670 Service Manual

A B
8
7
6
R2829
100 1/16W +-1% 1005
C2815
10V 0.1 1005
B
5
4
3
2
FROM/TO REGULATOR
D1.8V
GND
1
A B
G-11
C
DDR2 SCHEMATIC DIAGRAM
DDR2_SDRAM IC
IC2802 H5PS5162FFR-S5C
1.7
1.8 DQ0 G8
R1 VDD
1.7
1.8
DQ1 G2
M9 VDD
1.7
1.8
DQ2 H7
J9 VDD
1.8 1.7
E1 VDD H3
DQ3
1.8
1.7
A1 VDD
DQ4 H1
1.7
1.8
DQ5 H9
G9 VDDQ
1.7
1.8
G7 VDDQ DQ6 F1
1.8
1.7
G3 VDDQ
1.8 DQ7 F9
G1 VDDQ 1.7
1.8
C8
E9 DQ8
VDDQ
1.8 1.7
C9 VDDQ C2
DQ9
1.8
1.7
C7
VDDQ DQ10 D7
1.8
1.7
C3 VDDQ
DQ11 D3
1.8
1.7
C1 VDDQ
DQ12 D1
1.8
1.7
A9 VDDQ
DQ13 D9
1.8
1.7
J1 VDDL
DQ14 B1
1.7
B9
DQ15
0.9
J2 VREF
1.8
LDM F3
1.8
UDM B3
1.8
F7
LDQS
1.8
LDQS E8
1.8
B7
UDQS
1.8
UDQS A8
NC R8 NC5
1.8
DACLK
J8
CK
1.8
NC R7 NC4 DACLK_N
CK K8
NC
R3
NC3
NC
E2 NC2
NC NC1
A2
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
DRAM_BA1
N7
A6
1.8 DRAM_WE
DRAM_A7
P2
A7 DRAM_A2
1.8
DRAM_A8
DRAM_CS
P8
A8
0
1.8
DRAM_A9
A3 VSS
A9 P3
0
1.8
E3 VSS A10 DRAM_A10
M2
0
1.8
DRAM_A11
J3 VSS
A11 P7 DRAM_BA0
0
N1 VSS 1.8 DRAM_BA2
DRAM_A12
A12 R2
0 DRAM_CKE
P9 VSS
DRAM_A1
0
A7 VSSQ
1.8
0 DRAM_RAS
RAS K7
B2
VSSQ
1.8
DRAM_CAS
0 CAS
L7
B8 VSSQ 1.8
DRAM_ODT
ODT
0 K9
DRAM_A9
D2 VSSQ 1.8
DRAM_CS
DRAM_A3
0 L8
CS
D8 VSSQ DRAM_A7
1.8
DRAM_BA2
0
NC L1
DRAM_A12
E7 VSSQ
1.8
0 DRAM_BA1
BA1 L3
F2
VSSQ 1.8
DRAM_BA0
0
BA0 L2
F8 VSSQ
1.8
DRAM_WE
0
WE K3
DRAM_A8
H2 VSSQ
1.8
DRAM_CKE
0 DRAM_A11
CKE K2
H8 VSSQ
DRAM_A5
0
J7 VSSDL DRAM_A10
DRAM_CAS
DRAM_A0
DRAM_A4
DRAM_A6
DRAM_RAS
DRAM_ODT
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL 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
1/16W 1005 SDCLK_N
4.7
SDBA2
R2843 SDBA1
SDBA0
1/16W 1005
4.7
SDODT
SDCKE
SDCS
SDRAS
SDCAS
NR2815
4D02WGJ0330TCE SDWE
SDBA1
SDWE
SDA2
SDCS
NR2814
4D02WGJ0330TCE
SDBA0
SDBA2
SDCKE
SDA0
SDA1
SDA1
SDA2
NR2801
4D02WGJ0330TCE SDA3
SDA9
SDA4
SDA3
SDA7
SDA5
SDA12
SDA6
NR2802
SDA7
4D02WGJ0330TCE
SDA8
SDA8
SDA11
SDA5
SDA9
SDA10
SDA10
NR2803
SDA11
4D02WGJ0330TCE
SDCAS
SDA12
SDA0
SDA4
SDA6
R2841
SDRAS
33 1/16W 1005
R2832
SDODT
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 R8J66975BG
1.7
V2 SDDQ0
1.7
U4 SDDQ1
1.7
W1 SDDQ2
1.7
W3
SDDQ3
1.7
V4 SDDQ4
1.7
W2 SDDQ5
1.7
T4 SDDQ6
1.7
V1 SDDQ7
1.7
R1 SDDQ8
1.7
R3 SDDQ9
1.7
R2 SDDQ10
1.7
P4 SDDQ11
1.7
R4 SDDQ12
1.7
T2 SDDQ13
1.7
SDDQ14
N4
1.7
P2 SDDQ15
1.8
U3 SDDM0
1.8
N3 SDDM1
1.8
U2
SDDQS0
1.8
U1 SDDQS0_N
1.8
N2 SDDQS1
1.8
1.8
P1 SDDQS1_N
VCCQ18 N1
1.8
Y2 SDDCLK 1.8
1.8 VCCQ18 N5
AA1 SDDCLK_N 1.8
T1
VCCQ18
1.8
VCCQ18 T5
1.8
1.8
VCCQ18 V3
Y8 SDBA2
1.8
1.8 VCCQ18 Y1
SDBA1
Y6 1.8
1.8 VCCQ18 Y5
W9 SDBA0 1.8
1.8 VCCQ18 Y9
AA2 SDODT
1.8
W8 SDCKE
1.8
Y4 SDCS
1.8
AB2
SDRAS
0.9
1.8
SDVREF1 V7
AA3 SDCAS
1.8
W6 SDWE
0.9
SDVREF0 R5
1.8
AB3 SDA0
1.8
W7 SDA1
1.8
W5 SDA2
1.8
AB7 SDA3
1.8
AA4 SDA4
R2809
0.9
1.8
DD_CL AA9
AA6 SDA5
200 1/16W +-1%
1005
1.8
SDA6
AB4
1.8
AA8 SDA7
1.8
SDA8
AA5
1.8
AA7 SDA9
1.8
AB6 SDA10
1.8
AB5 SDA11
1.8
AB8 SDA12
F G
H
8
7
6
5
R2846
100 1/16W +-1% 1005
C2837
10V 0.1 B 1005
4
R2844
62 1/16W +-1%
3
2
PCBDH0
CEJ554
1
H
G-12