Inhaltsverzeichnis
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Verfügbare Sprachen
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Signal-Chassis – Teletext "DOS" (TXT)
1
IC7880: Only for 1 Frontend (Tuner) Version
IC7881: Only for 2 Frontend (Tuner) Version
A
B
5DDA
5DDA
C
4,9V
2,2V
7882
BC848B
1,9V
D
GNDTXT
5DDA
E
2,2V
1,6V
7883
BC858B
F
GNDTXT
GNDTXT
not used
G
H
I
to TV-Part
J
1
4 - 58
2
3
5DDA
3880
2885
5881
3k3
4u7
1n
2887
100n
2888
GNDTXT
3881
100n
27k
GNDTXT
5DDA
GNDTXT
GNDTXT
2890
100n
3884
100E
3885
100E
for SAA5281 only
7884
GNDTXT
not used
2
3
Reference
CO .............P 4-43
AL ..............P 4-65
DE..............P 4-49
BUPI ..........P 4-68
IO...............P 4-59
4
5
from TV
5DDA
5DS
2880
5880
10u
100n
2881
47u
16V
GNDTXT
4,9V
4,9V
1
1
10
VDD1
VDD2
2,1V
2
2
OSCOUT
3,6V
3
3
OSCIN
ic1
ic2
0V
4
4
OSCGND
ic3
4,9V
6
6
REF+
ic4
2,1V
7
7
BLACK
ic5
2,5V
9
9
IREF
ic6
ic7
0V
11
11
POL
ic8
4,9V
13
13
VCR/FFB
ic9
1,9V
ic10
18
18
RGBREF
ic11
21
ODD
ic12
22
Y
ic13
ic14
2,2V
8
8
CVBS
ic15
0V
19
19
BLANK
SDA
0V
15
15
R
SCL
0V
16
16
G
Y
0V
17
17
B
ODD
COR
23
7881
SCL
SAA5254
24
SDA
2,2V
12
12
STTV/LFB
0V
5
5
VSS1
VSS2
VSS3
14
20
SAA5281
0V
0V
7880
14
20
4085
0E
for SAA5281 only
GNDTXT
4
5
TVR 3710 ..., TVR 5100 ..., TVR 5500 ...
OHA...........P 4-69
TU2............P 4-55
TXT............P 4-58
PLSP .........P 4-19
Tube PCB ...P 4-33
VS..............P 4-61
PSSP2 .......P 4-37
TV ..............P 4-51
6
7
2882
100n
GNDTXT
48
40
47
39
38
46
37
45
36
44
LINE23
35
43
34
42
33
41
32
40
31
39
30
38
29
37
CLK-O/P
28
36
CLK-EN
35
27
26
34
25
33
ic13
5V
24
32
ic14
5V
23
31
ic15
22
30
ic16
21
29
ic17
0V
28
ic18
27
ic19
26
ic20
VSS3
25
9215
for SAA5254 only
6
7
GRUNDIG Service
1800 C 3
2880 A 5
2881 A 5
2882 A 6
2883 C 4
2884 C 4
2885 C 3
A
2886 B 2
2887 C 3
2888 C 4
2889 E 2
2890 E 3
2891 H 4
2893 F 1
2894 F 1
3799 F 1
3880 C 3
3881 D 4
B
3882 C 1
3883 D 1
3884 G 3
3885 G 4
3886 G 4
3887 H 7
3888 I 7
3889 E 1
3890 C 2
3896 H 4
C
3897 H 3
4085 H 5
4086 H 7
4088 H 5
5880 A 6
5881 C 4
5882 G 1
7880 H 5
7881 G 5
7882 D 2
D
7883 F 1
7884 H 4
9118 G 1
9215 H 6
E
F
G
H
I
J
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