Grundig SCENOS UMS 4400 DVD Serviceanleitung Seite 38

F_RAM_CASN
F_RAM_CASN
F_RAM_RASN
F_RAM_RASN
F_RAM_A13
F_RAM_A12
F_RAM_WEN
F_RAM_WEN
F_RAM_A11
F_RAM_A10
F_RAM_A0
F_RAM_A1
F_RAM_A2
F_RAM_A3
F_RAM_A4
F_RAM_A5
F_RAM_A13
F_RAM_A12
F_RAM_A11
F_RAM_A[0..13]
F_RAM_A[0..13]
close to UU5
CC111
100nF
UU5 RR71
NC
24C64-MN6T
SGND
RR72
1 8
3K3
A0 VCC
2 7
A1 TEST
3 6
A2 SCL
4 5
VSS SDA
SGND
+VRAMQ
UU3
1
A11
2
A9
3
A8
4
A13
5
WE/
6
CE2
7
A15
8
VCC
9
NC
1MSRAM
10
A16
11
A14
12
A12
13
A7
14
A6
15
A5
16
A4
+3V3D
RR70
RR68
10K
47K
RR69
10K
F_EE_WC
F_EE_WC
F_EESCL
F_EESCL
F_EESDA
F_EESDA
32
F_RAM_DQM
F_RAM_DQM
OE/
31
F_RAM_CLK
F_RAM_CLK
A10
30
CE1
29
F_RAM_DQ0
I/O7
28 F_RAM_DQ1
I/O6
27 F_RAM_DQ2
I/O5
26
F_RAM_DQ3
I/O4
25
F_RAM_DQ4
I/O3
24
GND
23
F_RAM_DQ5
I/O2
22
F_RAM_DQ6
I/O1
21 F_RAM_DQ7
I/O0
20
F_RAM_A9
A0
19
F_RAM_A8
A1
18
F_RAM_A7
A2
17
F_RAM_A6
A3
SGND
F_RAM_DQ[0..7]
close to UU2