Sony KP-ER43M31 Service Manual page 72

(9) Schematic Diagram of B3 (5/6) Board
3
1 2
A
B TO B3 5/6,B3 4/6_39
TO B3 5/6,B3 4/6_42
TO B3 5/6,B3 4/6_40
TO B3 5/6,B3 4/6_41
C
D
R844 47 :CHIP
R845 47 :CHIP
R846 47 :CHIP
R847 47 :CHIP
R848 47 :CHIP
E
R849 47 :CHIP
R850 47 :CHIP
R851 47 :CHIP
R852 22 :CHIP
R853 22 :CHIP
R854 22 :CHIP
R855 22 :CHIP
F
R856 22 :CHIP
R857 22 :CHIP
R858 22 :CHIP
R859 22 :CHIP
R860 22 :CHIP
R861 22 :CHIP
R862 22 :CHIP
G R863 22 :CHIP
R864 47 :CHIP
R865 47 :CHIP
R866 47 :CHIP
R867 47 :CHIP
R868 47 :CHIP
H
R869 47 :CHIP
R870 47 :CHIP
R871 47 :CHIP
I
J
4
5 6
SDDQM0
FL804
CKD510JB1A105ST
D3.3V-MID
EMI TO B3 5/6,B3 2/6,4/6,6/6_7
C840
C839
100
0.01
6.3V
B:CHIP
:AL-CP
IC802
MB81F643242C-10
64M DRAM
C849
0.01
B:CHIP
VCC VSS
1.7 1.4
D0 D15
DQ0 DQ15 R898 47 :CHIP
VCCQ VSSQ
D1 1.4 2.8 D14
DQ1 DQ14 R897 47 :CHIP
1.7 1.5
D2 D13
DQ2 DQ13 R896 47 :CHIP
VSSQ VCCQ
2.2 1.4
D3 D12 R895 47 :CHIP
DQ3 DQ12
D4 0.1 2.2 D11
DQ4 DQ11
R894 47 :CHIP
VCCQ VSSQ
1.7 1.6
D5 D10
DQ5 DQ10
3.0 1.2 R893 47 :CHIP
D6 D9
DQ6 DQ9
R892 47 :CHIP
VSSQ VCCQ
D7 1.4 1.6 D8
DQ7 DQ8 R891 47 :CHIP
N.C. N.C.
R890
VCC VSS 22:CHIP
0.1
0.1 C844
DQM0 DQM1 0.1
25V
3.3
WE WE N.C.
F:CHIP
SDCLKIN
3.2
CAS CAS N.C.
R889
3.3 1.6 0 :CHIP
RAS
RAS CLK
3.2 2.9
CS
CS CKE
R888 22 :CHIP
0.1
N.C. A9 A9
R887 22 :CHIP
1.8 0.1
A12 A12 A8 A8
R886 22 :CHIP
1.8 1.8
A11 A11 A7 A7
R885 22 :CHIP
0 2.0
A10 A6
A10 A6
R884 22 :CHIP
0.1 2.9
A0 A5
A0 A5 R883 22 :CHIP
0.1 3.0
A1 A1 A4 A4 R882 22 :CHIP
2.3 3.0
A2 A2 A3 A3 R881 22 :CHIP
0.1
0.1
DQM2 DQM3 R880 22 :CHIP
VCC VSS
C841
0.01
N.C. N.C.
B:CHIP
2.0 0.6
D16
DQ16 DQ31 D31
R879 47 :CHIP
VSSQ VCCQ
1.5 1.9
D17 D30
DQ17 DQ30
R878 47 :CHIP
D18 1.8 1.5
DQ18 DQ29 D29
R877 47 :CHIP
VCCQ VSSQ
1.8 1.9
D19
DQ19 DQ28 D28 R876 47 :CHIP
1.9 1.8
D20 D27
DQ20 DQ27
R875 47 :CHIP
VSSQ VCCQ
C842 0.01 B:CHIP
D21 1.5 1.8
DQ21 DQ26 D26
R874 47 :CHIP
1.9 1.5
D22
DQ22 DQ25 D25
R873 47 :CHIP
VCCQ VSSQ
2.0
0.6
D23 D24
DQ23 DQ24
R872 47 :CHIP
VCC VSS
C843
0.01
B:CHIP
SDDQM1
7 8 9
SDCLK
SDCKE
B3
(5/6)
(64M DRAM)
B-SS885.<E..>-B3.-P5-08
– 72 –
KP-ER43M31/M61/M90/M91,ER53M31/M61/M90/M91
10 11
12 13
RM-961
15
14