Table of Contents
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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Prozessor-Platte / Processing Board
293052191600 / 2500 / 2600 / 2700 / 3000 / 3300 / 3700 / 4100 / 4200
01
56
02
55
03
54
04
53
05
52
06
07
08
49
09
48
ST80931
+5V/D
10
47
SDIP56
11
46
SEITE / PAGE 27/28
12
45
13
44
14
43
15
42
16
41
17
40
18
+5V/A
19
20
+5V/D
M
M
34
33
30
CC80911
+5V/D
M
0,1u
16
15
4
03
5
1
04
ENA
STROBE
6
05
CIC80910
7
06
SO16
2
42
14
DATA
07
13
10
MC14094
12
3
43
CLOCK
11
10
9
8
M
41
CUC 2103, 2105, 2121, 2121 M, 2121 GB
M
+5V/A
CC80936
M
0,1u
M
M
41
42
43
44
45
46
47
48
49
50
51
52
40
45
39
46
P4.4
P4.2
P4.3
38
52
P2.5
37
55
P2.2
36
56
P2.1
CC80931
M
35
GND
M
0,1u
34
VDD
33
47
P4.5
32
48
CIC80930
P4.6
ICQF80
31
49
P4.7
ST92R195(C9Q1)
30
ENA
P0.0
PQFP80
29
09
P0.1
28
08
P0.2
27
53
P2.4
26
54
P2.3
25
01
P2.0
24
20
P5.0
23
19
P5.1
22
14
P3.5
P3.4
P3.6
21
13
20
19
18
17
16
15
14
13
12
11
10
9
M
+5V/D
M
Q80951
4MHz
M
M
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
PROZESSORMODUL
PROCESSING BOARD
PLAQUE CALCULATEUR
PIASTRA CALCOLATORE
PLACA CALCOLADOR
M
M
M
M
+5V/A
M
53
54
55
56
57
58
59
60
61
D0
D1
62
GNDA
M
D2
CVBS2
63
CVBS1
D3
D3
D3
64
D4
D4
D4
D5
65
D5
D5
D6
66
D7
D6
D6
67
D7
D7
A0
68
A1
D2
D2
A2
69
D1
D1
A3
70
A4
D0
D0
A5
71
A0
A0
A6
A7
72
A1
A1
A8
73
A2
A2
A9
A10
74
A3
A3
A11
75
A4
A4
A12
76
A13
A5
A5
A14
77
A6
A6
A15
78
A7
A7
A16
79
A15
A12
A12
M0
80
A17
A15
8
7
6
5
4
3
2
1
A18
* vorgesehene Bestueckungsoptionen
IC80920
M27C256
M27C512
IC80920
M27C1001
M27C2001
CBR80921
0 OHM
0 OHM
CBR80921
CBR80922
CBR80922
0 OHM
CBR80923
0 OHM
28 PIN
CBR80923
CBR80924
0 OHM
CBR80924
0 OHM
0 OHM
CBR80925
CBR80925
0 OHM
0 OHM
CBR80926
CBR80926
CBR80928
CBR80928
0 OHM
0 OHM
42
29305-219.1600
219.3000
219.4100
219.1700
219.3100
219.4200
219.1900
219.3200
219.4300
219.2000
219.3300
219.4400
219.2100
219.3500
219.4500
219.2200
219.3600
219.2500
219.3700
219.2600
219.3800
219.2700
M
219.2800
M
+5V/D
28 PIN IC
-
-
22 20 14
11
*
12
13
29305-219.1600
15
29305-219.1700
16
29305-219.1900
17
29305-219.2000
18
29305-219.2100
19
29305-219.2200
29305-219.2500
10
29305-219.2600
IC80920
9
29305-219.2700
*
8
29305-219.2800
EPROM
7
29305-219.3000
DIP28/32
6
29305-219.3100
5
29305-219.3200
4
29305-219.3300
3
29305-219.3500
25
29305-219.3600
24
29305-219.3700
21
29305-219.3800
23
29305-219.4100
2
29305-219.4200
26
29305-219.4300
27
29305-219.4400
CBR80924
1
29305-219.4500
0
-
CBR80928
28
0
-
CBR80922
0
CBR80926
xx
n.v.
+5V/D
M27C4001
0 OHM
32 PIN
0 OHM
0 OHM
0 OHM
CUC 2103, 2105, 2121, 2121 M, 2121 GB
IC80920 / EPROM
SNR
TYP
PIN
29798-012.xx
M27C2001
32
29798-013.xx
M27C2001
32
29798-015.xx
M27C2001
32
29798-016.xx
M27C2001
32
29798-017.xx
M27C2001
32
29798-018.xx
M27C2001
32
29798-019.xx
M27C2001
32
29798-020.xx
M27C2001
32
29798-019.xx
M27C2001
32
29798-013.xx
M27C2001
32
29798-020.xx
M27C2001
32
29798-024.xx
M27C2001
32
29798-025.xx
M27C2001
32
29798-026.xx
M27C2001
32
29798-021.xx
M27C2001
32
29798-023.xx
M27C2001
32
29798-028.xx
M27C2001
32
29798-029.xx
M27C2001
32
29798-031.xx
M27C2001
32
29798-032.xx
M27C2001
32
29798-033.xx
M27C2001
32
29798-034.xx
M27C2001
32
29798-035.xx
M27C2001
32
180202
GRUNDIG Service
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