Philips DVD616K/031 Service Manual page 12

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MPEG board DVD616K/
031/691/751/782/931
ROM, SDRAM, SRAM & ROM Emulator
1
A
B
2738 B7 3635 B5 3768 E3 3792 B5 3799 B3
2749 C6 3636 D6 3769 C5 3795 B5 5710 C6
2765 D4 3637 D6 3770 C5 3796 A3 7605 D7
2766 D5 3638 D6 3771 E3 3797 A3 7625 C3
2768 B6 3639 D6 3782 A5 3798 B3 7626 A7
C
D
(OPEN FOR 4M FLASH)
E
F
1
2
3
DMA[0..11]
3796
4X22 OHM
DMA0
1
8
MA0
2
7
MA1
DMA1
3
6
DMA2
MA2
4
5
DMA3
MA3
3797
4X 22 OHM
1
8
DBANK1
DMA4
MA4
2
7
DMA5
MA5
3
6
DMA6
MA6
4
5
DMA7
MA7
DQM
3798A
4X22 OHM
1
8
DMA8
MA8
2
7
DMA9
MA9
3
6
DMA10
MA10
DCKE
4
5
MA11
DMA11
DCS0
3799A
4X22 OHM
1
8
BANK0
DBANK0
2
7
RAS0
DRAS0
3
6
WE#
DWE
4
5
CAS#
DCAS#
7625
1
48
LA16
LA17
A15
A16
2
47
LA15
A14
BYTE
3
46
LA14
A13
GND
LA13
4
45
LA0
A12
DQ15/A_1
5
44
LA12
LD7
A11
DQ7
6
43
LA11
A10
DQ14
7
42
LA10
LD6
A9
DQ6
8
41
LA9
A8
DQ13
9
40
LD5
NC
DQ5
10
39
NC
DQ12
11
38
LD4
WRLL#
W
DQ4
12
37
RST#
RP
VCC
13
36
NC
DQ11
14
35
LD3
NC
DQ3
15
34
RB
DQ10
16
33
LA19
LD2
A18
DQ2
17
32
LA18
A17
DQ9
18
31
LA8
LD1
A7
DQ1
19
30
LA7
A6
DQ8
LA6
20
29
LD0
A5
DQ0
21
28
LA5
LOE#
A4
G
22
27
LA4
A3
GND
23
26
LA3
A2
E
24
25
LA2
LA1
A1
A0
29W800AT/29F400BT
3768
OPEN
LCS2#
LCS3#
3771
0 OHM
2
3
4
5
CRITICAL TRACES
MOST
CLOCKS
ADDRESS
3782
33 OHM
CAS
BANK1
WE
3635
33 OHM
RAS
DQMX
CSx
3795
33 OHM
CKE
LEAST
DQM
DSCK
3792
33 OHM
CS0
5710
VCC33
BEAD
5VFLASH
3V3FLASH
3769
0OHM
OPEN
3770
OPEN
0OHM
VCC
V33
3769
0 OHM
3770
OPEN
LA[0..21]
2765
2766
0.1U
47U
3636
0
LA18
3637
OPEN
WRLL#
3638
0
LA19
3639
OPEN
LA18
LCS3#
LOE#
RST#
WRLL#
TP1
LA20
4
5
12
6
7
7626
VCC-RAM
23
2
MA0
A0
DQ0
24
4
MA1
A1
DQ1
25
5
MA2
A2
DQ2
26
7
MA3
A3
DQ3
29
8
MA4
A4
DQ4
30
10
MA5
A5
DQ5
31
11
MA6
A6
DQ6
32
13
MA7
A7
DQ7
33
42
MA8
A8
DQ8
34
44
MA9
A9
DQ9
22
45
MA10
A10
DQ10
35
47
MA11
A11
DQ11
2768
48
DQ12
100P
50
DQ13
38
51
CLK
DQ14
53
DQ15
37
CKE
CKE
2738
15P
1
VCC
19
14
CS0#
CS
VCC
27
VCC
18
RAS0#
RAS
3
VCCQ
17
9
CAS#
CAS
VCCQ
43
VCCQ
16
49
WE#
WE
VCCQ
15
DQMX
DQML
39
6
DQMH
VSSQ
12
VSSQ
20
46
VCC-RAM
BANK0
BA0
VSSQ
21
52
BANK1
BA1
VSSQ
2749
28
100UF
VSS
36
41
NC
VSS
40
54
NC
VSS
64MB /-7
LD[0..7]
7605
FOR ROM OR DIP FLASH
12
13
LA0
LD0
A0
D0
11
14
LA1
LD1
A1
D1
10
15
LA2
LD2
A2
D2
9
17
LA3
LD3
A3
D3
8
18
LA4
LD4
A4
D4
7
19
LA5
LD5
A5
D5
6
20
LA6
LD6
A6
D6
5
21
LA7
LD7
A7
D7
27
LA8
A8
26
LA9
A9
23
LA10
A10
25
LA11
A11
4
LA12
A12
28
LA13
A13
29
VCC
LA14
A14
3
LA15
A15
2
32
LA16
A16
VCC
30
LA17
A17
31
LLA18
A18
1
LLA19
A19
22
CE
24
16
LOE#
OE
GND
27C020/40/80 (90ns)
U7
1
2
RST#
RESET
CLK/CE1
3
4
WRLL#
WE
ADDR/CE1
ROM EMULATOR
LA21
ROM, SDRAM, SRAM & ROM Emulator
6
7
8
DB[0..15]
DB0
DB1
DB2
DB3
DB4
DB5
A
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
B
C
D
E
F
8

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