Philips LC4.9E, Service Manual

Page: 95 / 162

Circuit Diagrams and PWB Layouts 95 LC4.9E AB 7.
SSB: SDRAM
VREF
2 8
27
26
25
24
D
DQ S
0
1
2
3
DM
11
RFU
12
9
8
9
10
2
3
4
21
20
19
1 8
17
16
3 1
3 0
6
1
0
A
11
14
CA S
RA S
29
5
6
7
8
VDDQ VDD
WE
0
MCL
NC
1 3
NC
1
BA
2 3
22
7
5
4
3
2
15
V SS V SS Q
10
C S
CKE
CK
D
0
1
CK
S DRAM
B10 B10
3 1 3 9 12 3 6141.1
G_15 3 51_010.ep s
0 8 0906
TO/FROM S CALER
TO/FROM S CALER
7B01 B 3
FB01 B 3
IB02 C2
IB0
3 C2
D
E
F
G
A
B
C
D
E
F
G
2B01 A1
2B02 A1
2B0
3 A1
2B04 A2
2B05 A2
2B06 A2
2B07 A2
2B0
8 A 3
2B09 A 3
2B10 A 3
2B11 A4
2B12 A4
2B1
3 A4
2B14 A4
2B15 A5
2B16 A5
2B17 B4
2B1
8 B4
3 B01 B 3
3 B02 B 3
3 B0 3 C2
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9
A
B
C
2B1 8
22 u 16V
FB01
IB0 3
IB02
3 B02
F S VREF
1 %
1 %
10K
150R 3 B0 3
10K
1
%
2B17
100n
+2V5_DDR
+2V5_DDR
3 B01
62 70 76 8
2
92 99
25
7
3
79 8
6
5
8
16 46 66 8
5 5
11 19
3
5
65 96 2 95 8 14 22 59 67
3 9
40
41
42
4
3
44
8 7
88 27
9 3
15
4
6
7
60
61
94
52
38
8 9
90
91
75
77
7
8
8 0
8 1
1
83
8
4
3
72
9
10
12
1
3
100
17
1
8
20
21
74
56
24
57
97
9
8
6 3
64
6
8
69
71
51
45
29
3 0
26
55
5 3
54
2 8
2 3
3 1
3 2
3 6
3 7
33
3
4
47
4
8
49
50
+2V5_DDR
Φ
S DRAM
1M X 3 2 X 4
K4D26 3 2 38 F-UC50
7B01
100n
2B16
100n
2B15 2B14
100n
2B1 3 2B12
100n 100n 100n
2B11 2B10
100n 100n
2B09 2B0 8
100n 100n
2B07 2B06
100n 100n
2B05 2B04
100n 100n
2B0 3
6. 3 V
47 u
2B02 2B01
47
u
16V
F S CLK-
F S CKE
F S DQM(0)
F S DQM(1)
F S DQM(2)
F S DQM( 3 )
F S RA S
F S CA S
F S WE
F S BK S EL(0)
F S BK S EL(1)
F S DATA(9)
F
S
DQ
S
F S DATA(22)
F S DATA(2 3 )
F S DATA(24)
F S DATA(25)
F S DATA(26)
F S DATA(27)
F S DATA(2 8 )
F S DATA(29)
F S DATA( 3 )
F S DATA( 3 0)
F S DATA( 3 1)
F S DATA(4)
F S DATA(5)
F S DATA(6)
F S DATA(7)
F S DATA( 8 )
F S CLK+
F S DATA(0)
F S DATA(1)
F S DATA(10)
F S DATA(11)
F S DATA(12)
F S DATA(1 3 )
F S DATA(14)
F S DATA(15)
F S DATA(16)
F S DATA(17)
F S DATA(1 8 )
F S DATA(19)
F S DATA(2)
F S DATA(20)
F S DATA(21)
F S ADDR(0)
F S ADDR(1)
F S ADDR(10)
F S ADDR(11)
F S ADDR(2)
F S ADDR( 3 )
F S ADDR(4)
F S ADDR(5)
F S ADDR(6)
F S ADDR(7)
F S ADDR( 8 )
F S ADDR(9)