Philips MCD909 Service Manual page 25

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11-4
Decoder Board -- Circuit Diagram
Part 4
RN1
33x4
DCS#
CS#
1
2
DRAS#
RAS#
3
4
DCAS#
CAS#
5
6
DWE#
WE#
7
8
D
B
A
0
R71
33
B
A
0
DBA1
R72
33
BA1
S
D
C
K
E
R73
33
D
C
K
E
L66
0R/FB/600
SDCLK
R74
33
CB60
20pF/NC
DV33
U9
CB62
1
8
NC
VCC
2
7
NC
WP
0.1uF
3
6
NC
SCL
4
5
GND
SDA
EEPROM 24C16
SD33
DV33
L29
FB/600
+
CE27
47uF/16V
U7
MA0
DQ7
23
2
A0
DQ0
MA1
DQ6
24
4
A1
DQ1
MA2
DQ5
25
5
A2
DQ2
MA3
DQ4
26
7
A3
DQ3
MA4
DQ3
29
8
A4
DQ4
MA5
DQ2
30
10
A5
DQ5
MA6
DQ1
31
11
A6
DQ6
MA7
DQ0
32
13
A7
DQ7
MA8
DQ8
33
42
A8
DQ8
M
A
9
D
Q
9
34
44
A9
DQ9
MA10
DQ10
22
45
A10/AP
DQ10
MA11
DQ11
35
47
A11
DQ11
DBA0
DQ12
20
48
BA0/A13
DQ12
DBA1
DQ13
21
50
BA1/A12
DQ13
DQ14
51
DQ14
SDCLK
DQ15
38
53
CLK
DQ15
SDCKE
37
CKE
SD33
DCS#
19
1
CS
VCC
DRAS#
18
14
RAS
VCC
DCAS#
DCLK
17
27
CAS
VCC
DWE#
SD33
16
WE
3
VCCQ
DQM0
15
9
DQML
VCCQ
DQM1
39
43
DQMH
VCCQ
49
VCCQ
36
NC
40
6
NC
VSSQ
12
VSSQ
54
46
VSS
VSSQ
41
52
VSS
VSSQ
28
VSS
ESMT M12L64164A-7T
DV33
DV33
DV33
GND
R78
R79
SCL_DVD
1K
1K
SDA_DVD
SCL_DVD
SDA_DVD
+
CE28
CB115
CB64
CB65
CB66
CB67
CB68
100uF/16V
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
U8
A1
25
29
A0
D0
A
2
24
31
A1
D1
A3
23
33
A2
D2
A4
22
35
A3
D3
A5
21
38
A4
D4
A6
20
40
A5
D5
A7
19
42
A6
D6
A8
18
44
A7
D7
A9
8
30
A8
D8
A10
7
32
A9
D9
A11
6
34
A10
D10
A12
5
36
A11
D11
A13
4
39
A12
D12
A14
3
41
A13
D13
A15
2
43
A14
D14
A16
1
45
A15
D15
DV33
A17
48
A16
A18
R75
17
14
A17
WP/ACC
A19
16
A18
AA20
9
47
A19
BYTE
R76
AA21
10
A20
37
VCC
PCE#
26
CE
10K
PRD#
28
27
OE
GND1
DV33
PWR#
11
46
WE
GND2
12
RESET
MX29LV160
TSOP 48 pin
16 Mb FLASH
A
2
0
R77
0
A
A
2
0
A
2
1
R80
0/NC
A
A
2
1
32 Mb FLASH
CB69
CB70
0.1uF
0.1uF
11-4
DQ[0..15]
MA[0..11]
BA[0..1]
DQM[0..1]
DCLK
DCKE
AD0
CAS#
A
D
1
RAS#
AD2
WE#
AD3
CS#
AD4
AD5
AD6
AD7
PCE#
PRD#
PWR#
A[0..21]
AD[0..7]
DV33
A0
SCL_DVD
SDA_DVD
0
GND
CB61
0.1uF
DQ[0..15]
MA[0..11]
BA[0..1]
DQM[0..1]
DCLK
DCKE
CAS#
RAS#
WE#
CS#
PCE#
PRD#
PWR#
A[0..21]
AD[0..7]
SCL_DVD
SDA_DVD
GND

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