Table of Contents
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Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
Prozessor-Platte / Processing Board
PROZESSOR-PLATTE
PROCESSING BOARD
PLAQUE CALCULATEUR
PIASTRA CALCOLATORE
PLACA CALCOLADOR
VARIANTE 1.0
VARIANTE 2.1
29305-119.37/.39/.40/.46/.47/.48/.54/.56/.57/.58/.59/.60
29305-219.01/.02/.03/.06/.07/.10
.61/.63/.64/.65/.66/.70/.71/.72/.74/.75/.76
29305-319.01/.02/.05/.09
VARIANTE 2.0
VARIANTE 2.2
29305-219.11/.12
29305-219.08/.09
29305-319.03/.04/.06./07/.08/.11/.13
1
01
STL1
2
02
STL1
3
03
STL1
4
04
STL1
5
05
STL1
6
06
STL1
7
07
STL1
8
08
STL1
9
09
M
STL1
10
STL1
11
+5V
STL1
12
STL1
13
STL1
14
A17
STL1
15
15
STL1
16
16
CC80911
CR80911
STL1
17
17
M
8,2k
0,22u
STL1
18
18
CC80912
CR80912
STL1
19
19
M
STL1
20
6,8k
20
33n
STL1
21
CC80913
21
CR80913
STL1
22
22
M
6,8k
33n
STL1
23
23
+5V
STL1
24
M
n.V.
CC80914
CR80914
STL1
25
CR80918
M
25
82k
0,1u
STL1
26
0
26
CR80916
STL1
M
470k
1
27
n.V.
STL2
2
n.V.
+5V
CR80919
STL2
3
29
STL2
4
0
30
STL2
5
31
STL2
6
32
STL2
7
33
STL2
8
34
STL2
9
M
STL2
10
36
STL2
11
+5V
STL2
12
STL2
13
ST2
14
40
STL2
15
41
STL2
16
42
STL2
17
43
STL2
18
44
STL2
19
45
STL2
20
46
STL2
21
47
VARIANTE 1.0
STL2
22
48
29305-119.3700/.4000/.7500
STL2
23
VARIANTE 1.1
49
29305-119..3900/.4600/.4700/.4800/.5400/.5600/.5700/.5800/.5900/.6000
STL2
24
50
.6100/.6300/.6400/.6500/.6600/.7000/.7100/.7200/.7400/.7600
STL2
25
VARIANTE 2.0
51
29305-219.1100/.1200
STL2
26
52
VARIANTE 2.1
STL2
29305-219.0100/.0200/.0300/.0600/.0700/.1000
VARIANTE 2.2
29305-219.0800/.0900
VARIANTE 2.1
29305-319.0100/.0200/.0500/.0900
VARIANTE 2.2
29305-319.0300/.0400/.0600/.0700/.0800/.1100/.1300
3 - 27
CC80902
n.V.
M
XX
CC80901
L80901
6,8u/2%
M
100p/2%
60
59
58
57
56
55
54
53
61
04
P0-5
62
03
P0-6
63
02
P0-7
64
31
P2-3
65
32
P2-2
66
33
P2-1
67
34
P2-0
M
68
VSSA
69
25
FIL3
70
26
FIL1
71
27
FIL2
72
VDDA
73
29
IREF
74
30
CVBS
75
40
P3-7
76
41
P3-6
77
42
P3-5
78
43
P3-4
79
36
P3-3
80
44
P3-2
1
2
3
4
5
6
7
8
RGB
EPROM
CR80906
CR80905
IC80920
IC80920
**
CR80907
CR80909
28PIN
32PIN
IC80920
CR80908
CR80910
M27C512
M27C2001
PART A
IC80920
0 OHM
0 OHM
0 OHM
470
560
4,7k
560
4,7k
470
4,7k
470
4,7k
GRUNDIG Service
CUC 2021
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
vorgesehene Bestueckungsoptionen
*
IC80920
M27C256
M27C512
CBR80921
0 OHM
0 OHM
+5V
CC80906
CBR80922
CBR80923
0 OHM
M
2,2p
CC80903
CBR80924
0 OHM
CBR80925
M
33p/2%
CBR80926
+5V
D3
CC80904
D2
M
D4
0,1u
M
D1
52
51
50
49
48
47
46
45
44
43
42
41
40
D5
D5
39
D0
D0
38
D6
D6
37
A0
A0
A0
36
D7
D7
35
A1
A1
A1
A1
34
A2
A2
A2
33
A10
A10
A10
32
A3
A3
A3
CIC80905
ICQF80
31
A4
A4
A4
SDA5250
30
A11
A11
A11
29
A5
A5
A5
28
A9
A9
A9
27
A6
A6
A6
26
A8
A8
A8
25
A7
A7
A7
24
A13
A13
A13
23
A12
A12
A12
22
A14
A14
A14
21
A15
A15
A15
9
10
11
12
13
14
15
16
17
18
19
20
M
A18
A16
A17
+5V
M
M
M
3 - 28
*
IC80920
M27C1001
M27C2001
M27C4001
CBR80921
CBR80922
0 OHM
0 OHM
28 PIN
CBR80923
32 PIN
CBR80924
0 OHM
0 OHM
0 OHM
+5V
CBR80925
0 OHM
0 OHM
0,1u
M
CBR80926
0 OHM
CC80921
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A13
A14
A14
CBR80924
A15
*
A16
CBR80922
A17
CBR80926
*
A18
*
M
1
20
14
28
+5V
27
A14
A14
24
A9
A9
21
A10
A10
23
A11
A11
2
A12
A12
26
A13
A13
25
A8
A8
*
M
22
OE
**
19
D7
D7
IC80920
18
D6
D6
28 PIN
17
D5
D5
16
D4
D4
15
D3
D3
13
D2
D2
12
D1
D1
11
D0
D0
3
A7
A7
4
A6
A6
5
A5
A5
6
A4
A4
7
A3
A3
8
A2
A2
9
A1
A1
10
A0
A0
CUC 2021
M
*
**
IC80920
32 PIN
180698
GRUNDIG Service
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