Grundig Scenos UMS 4400 DVD, Service Manual

Page: 38 / 44

GRUNDIG Service
SCENOS UMS 4400 DVD
3 - 23
close to UU2
F_RAM_CASN
F_RAM_CLK
F_RAM_A11
F_RAM_RASN
F_RAM_WEN
F_RAM_A12
F_RAM_DQM
F_RAM_A13
F_RAM_A[0..13]
F_RAM_A5
F_RAM_A9
F_RAM_A3
F_RAM_DQ5
F_RAM_A8
F_RAM_A13
F_RAM_DQ0
F_RAM_A10
F_RAM_A2
F_RAM_DQ2
F_RAM_A7
F_RAM_DQ6
F_RAM_DQ1
F_RAM_A12
F_RAM_DQ7
F_RAM_A6
F_RAM_A4
F_RAM_DQ4
F_RAM_DQ3
F_RAM_A0
F_RAM_A1
F_RAM_A11
F_RAM_CASN
F_RAM_RASN
F_RAM_WEN
F_RAM_DQ[0..7]
F_RAM_A[0..13]
F_RAM_CLK
F_RAM_DQM
SGND
+VRAMQ
UU3
1MSRAM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A11
A9
A8
A13
WE/
CE2
A15
VCC
NC
A16
A14
A12
A7
A6
A5
A4 OE/
A10
CE1
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
close to UU5
F_EESCL
F_EESDA
F_EE_WC
F_EE_WC
F_EESDA
F_EESCL
+3V3D
SGND
SGND
UU5
24C64-MN6T
1
2
3
4 8
7
6
5
A0
A1
A2
VSS VCC
TEST
SCL
SDA
RR70
10K
RR68
47K
CC111
100nF
RR71
NC
RR72
3K3
RR69
10K
MPEG - Servo Memory