Ddr2 - Sanyo DP19640 Service Manual

A B
8
7
6
R2829
100 1/16W +-1% 1005
C2815
10V 0.1 1005
B
5
4
3
FROM/TO REGULATOR
D1.8V
GND
2
1
A B
G-3
C D
DDR2 SCHEMATIC DIAGRAM
(MAIN PCB)
DDR2_SDRAM IC
IC2802 H5PS5162FFR-S5C
1.7
1.8 DQ0 F9
R1 VDD
1.7
1.8
DQ1 F1
M9 VDD
1.7
1.8
DQ2 H9
J9 VDD
1.8 1.7
E1 VDD DQ3 H7
1.8
1.7
A1 VDD
DQ4 G8
1.7
1.8
H3
DQ5
G9 VDDQ
1.7
1.8
G7 VDDQ DQ6 H1
1.8
VDDQ 1.7
G3
DQ7
1.8 G2
G1 VDDQ 1.7
1.8
DQ8 D3
E9 VDDQ
1.8 1.7
C9 VDDQ B9
DQ9
1.8
1.7
C7 VDDQ
DQ10 C8
1.8
1.7
C3 VDDQ
DQ11 D1
1.8
1.7
C1 VDDQ
DQ12 D7
1.8
1.7
A9 VDDQ
DQ13 D9
1.8
1.7
J1
VDDL DQ14 B1
1.7
DQ15 C2
0.9
J2 VREF
1.8
LDM
F3
1.8
UDM B3
1.8
LDQS F7
1.8
LDQS E8
1.8
B7
UDQS
1.8
UDQS
A8
NC R8 NC5 R2842
1.8
DACLK
J8
CK
1.8
NC R7 NC4 DACLK_N 15 1/16W 1005
CK K8
NC
R3
NC3
NC
E2 NC2
NC NC1
A2
R2843
15 1/16W 1005
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
4D02WGJ0330TCE
1.8
DRAM_A6
DRAM_A2
N7
A6
1.8 DRAM_A6
DRAM_A7
P2
A7
DRAM_A4
1.8
DRAM_A8
P8 DRAM_WE
A8
0
1.8
DRAM_A9
A3 VSS
A9 P3
0
A10 1.8
E3 VSS DRAM_A10
M2
0
1.8 4D02WGJ0330TCE
DRAM_A11
J3 VSS
A11 P7 DRAM_A8
0
1.8 DRAM_A11
N1 VSS DRAM_A12
A12 R2
0 DRAM_BA1
P9 VSS
DRAM_A1
0
A7 VSSQ
1.8
0 DRAM_RAS
RAS K7
B2
VSSQ
1.8
CAS DRAM_CAS
0 L7
B8 VSSQ
1.8 4D02WGJ0330TCE
ODT DRAM_ODT
0 K9
DRAM_A3
D2 VSSQ 0
DRAM_CKE
0 L8
GND
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 4D02WGJ0330TCE
F8 VSSQ
1.8 DRAM_A10
DRAM_WE
0
WE K3
DRAM_BA0
H2 VSSQ
1.8
DRAM_CKE
0 DRAM_A5
CKE K2
H8 VSSQ
DRAM_A9
0
J7 VSSDL
4D02WGJ0330TCE
DRAM_ODT
DRAM_RAS
DRAM_CAS
DRAM_A0
DRAM_BA2
33 1/16W 1005
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E F
SCALER IC
IC2801 R8J66975BG
1.7
SDDQ0
V2 SDDQ0
1.7
SDDQ1
U4 SDDQ1
1.7
SDDQ2
W1 SDDQ2
1.7
SDDQ3
W3 SDDQ3
1.7
SDDQ4
V4 SDDQ4
1.7
SDDQ5
W2 SDDQ5
1.7
SDDQ6
T4
SDDQ6
1.7
SDDQ7
V1 SDDQ7
1.7
SDDQ8
R1 SDDQ8
1.7
SDDQ9
R3 SDDQ9
1.7
SDDQ10
R2 SDDQ10
1.7
SDDQ11
P4 SDDQ11
1.7
SDDQ12
R4 SDDQ12
1.7
SDDQ13
T2
SDDQ13
1.7
SDDQ14
N4 SDDQ14
1.7
SDDQ15
P2 SDDQ15
1.8
DADQM0
U3 SDDM0
1.8
DADQM1
N3 SDDM1
1.8
DADQS0
U2
SDDQS0
1.8
DADQS0_N
U1 SDDQS0_N
1.8
DADQS1
N2 SDDQS1
1.8
DADQS1_N
SDDQS1_N
P1
1.8
SDCLK
Y2 SDDCLK
1.8
SDCLK_N
AA1 SDDCLK_N
1.8
SDBA2
Y8 SDBA2
1.8
SDBA1
Y6 SDBA1
1.8
SDBA0
W9 SDBA0
1.8
SDODT
AA2 SDODT
1.8
SDCKE
SDCKE
W8
SDCS
NC Y4
1.8
SDRAS
AB2 SDRAS
1.8
SDCAS
AA3 SDCAS
NR2815
1.8
SDWE
W6 SDWE
SDA2
SDA6
SDA4
SDWE
NR2814
SDA8
SDA11
SDBA1
1.8
SDA0
SDA1 AB3 SDA0
1.8
SDA1
W7 SDA1
1.8
SDA2
W5 SDA2
NR2801
1.8
SDA3
SDA3
AB7
SDA3
1.8
SDA4
SDCKE SDA4
AA4
SDA7
1.8
SDA5
SDA5
SDA12 AA6
1.8
SDA6
SDA6
NR2802 AB4
1.8
SDA7
SDA10 AA8 SDA7
SDBA0 1.8
SDA8
AA5 SDA8
SDA5
SDA9
1.8
SDA9
AA7 SDA9
1.8
SDA10
SDA10
AB6
1.8
SDA11
NR2803
AB5 SDA11
SDODT
1.8
SDA12
SDRAS
AB8 SDA12
SDCAS
SDA0
R2841
SDBA2
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.
E F
G
1.8
VCCQ18 N1
1.8
VCCQ18 N5
1.8
VCCQ18 T1
1.8
VCCQ18 T5
1.8
VCCQ18 V3
1.8
VCCQ18 Y1
1.8
VCCQ18 Y5
1.8
VCCQ18 Y9
R2846
0.9
SDVREF1 V7
100 1/16W +-1% 1005
C2837
0.9
R5
SDVREF0
10V 0.1 B 1005
R2809 R2844
0.9
DD_CL
AA9
200 1/16W 62 1/16W +-1%
+-1% 1005
G
H
8
7
6
5
4
3
2
PCBF40
CMK178
1
H
G-4