Ssb: Sdram (B10) - Philips ME6 Service Manual

Circuit Diagrams and PWB Layouts
SSB: SDRAM
1 2
SDRAM
B10
A
+2V5_DDR
2B01 2B02 2B03 2B04 2B05
47u 47u 100n 100n 100n
16V 6.3V
B
TO/FROM SCALER
FSRAS
C
FSCAS
FSWE
FSCLK+
FSCLK-
FSCKE
FSDQM(0)
FSDQM(1)
FSDQM(2)
FSDQM(3)
FSBKSEL(0)
D FSBKSEL(1)
FSADDR(0)
FSADDR(1)
FSADDR(2)
FSADDR(3)
FSADDR(4)
FSADDR(5)
FSADDR(6)
FSADDR(7)
FSADDR(8)
FSADDR(9)
FSADDR(10)
FSADDR(11)
E
F
G
3139 123 6117.2
1 2
LC4.31E AA
3 4
2B06 2B07 2B08 2B09 2B10 2B11 2B12 2B13
100n 100n 100n 100n 100n 100n 100n 100n
+2V5_DDR
2B19
RES
2B18
3B01
10K
1% 16V 22u
2B17
FB01
FSVREF
100n
3B02
10K
1%
7B01
K4D263238F-UC50
Φ
VREF
VDD VDDQ
28
CS SDRAM
27
RAS
26 1M X 32 X 4
CAS
25
WE
3B03 150R 1%
IB03 55
CK
IB02 54
CK
53
CKE
23
0
56
1
DM
24
2
57
3
29
0
30 BA
1
31
0
32
1
33
2
34
3
47
4
48
5
A
49
6
50
7
51
8
45
9
36
10
37
11
38
39
40
41 NC
42
43
93
RFU
52
MCL
VSS VSSQ
3 4
7. 61
5 6 7
2B14 2B15
2B16
100n 100n 100n
+2V5_DDR
44
87
88
NC 89
90
91
97
0
98
1
100
2
1
3
3
4
4
5
6
6
7
D 7
60
8
61
9
63
10
64
11
68
12
69
13
71
14
72
15
9
16
10
17
12
18
13
19
17
20
18
21
20
22
21
D 23
74
24
75
25
77
26
78
27
80
28
81
29
83
30
84
31
94
DQS
5 6 7
8 9
2B01 A1
B10
2B02 A1
2B03 A2
2B04 A2
2B05 A2
2B06 A3
A
2B07 A3
2B08 A3
2B09 A3
2B10 A4
2B11 A4
2B12 A4
2B13 A5
2B14 A5
2B15 A5
TO/FROM SCALER
2B16 A5
2B17 B4
2B18 B4
B
2B19 B4
FSDATA(0)
3B01 B3
FSDATA(1)
3B02 B3
3B03 C3
FSDATA(2)
7B01 C4
FB01 B3
FSDATA(3)
IB02 C3
IB03 C3
FSDATA(4)
FSDATA(5)
FSDATA(6)
C
FSDATA(7)
FSDATA(8)
FSDATA(9)
FSDATA(10)
FSDATA(11)
FSDATA(12) D
FSDATA(13)
FSDATA(14)
FSDATA(15)
FSDATA(16)
FSDATA(17)
FSDATA(18)
E
FSDATA(19)
FSDATA(20)
FSDATA(21)
FSDATA(22)
FSDATA(23)
FSDATA(24)
F
FSDATA(25)
FSDATA(26)
FSDATA(27)
FSDATA(28)
FSDATA(29)
FSDATA(30)
FSDATA(31) G
G_16210_010.eps
160106
8 9