Grundig CUC 2020N Service Anleitung Seite 37

CUC 2020 / 2020N
Prozessor-Platte / Processing Board
PROZESSOR-PLATTE
VARIANTE 1.0 VARIANTE 2.0
PROCESSING BOARD
29305-119.37/.39/.40/.46/.47/.48/.54/.56/.57/.58/.59/.60 29305-219.11/.12
PLAQUE CALCULATEUR
.61/.63/.64/.65/.66/.70/.71/.72/.74/.75/.76
PIASTRA CALCOLATORE
PLACA CALCOLADOR
VARIANTE 2.2
VARIANTE 2.1
29305-219.08/.09
29305-219.01/.02/.03/.06/.07/.10
VARIANTE 3.0 VARIANTE 3.1
29305-319.01/.02/.05/.07/.09/.10/.12 29305-319.03/.04/.06/.08/.11/.13
1
01
STL1 2
02
STL1 3
03
STL1 4
04
STL1 5
05
STL1 6
06
04
STL1 7
07
STL1 8 03
08
STL1 9
09
02
STL1 10 M
STL1 11 31
+5V
STL1
32
14
33
A17
STL1 15
15
34
STL1 16
16
CC80911
CR80911
STL1 17
17
M
0,22u 8,2k
STL1 18
18
STL1 19 CC80912
CR80912
19
STL1 20
20 M
6,8k
33n
STL1 21
CC80913 CR80913
21
STL1 22
22 M
6,8k
33n
STL1 23
23
STL1 24 M CC80914
STL1
M
0,1u
CR80921
1
27
STL2 2 **
+5V
CC80919 40
STL2 3
STL2 4 **
30 41
CR80922
STL2 5
31
42
**
STL2 6
32
CC80920
STL2 7
33 43
**
STL2 8
34
36
STL2 9 M
STL2 10
36
44
M
STL2 11
+5V
STL2
14
40
STL2 15
41
STL2 16
42
STL2 17
43
STL2 18
44
STL2 19
45
STL2 20
46 RGB
STL2 21
47
CR80906 CR80905
**
STL2 22 CR80907 CR80909
48
CR80908 CR80910
STL2 23
49
VARIANTE 1.0
STL2 24 -119.37/.39/.40/.46 0 OHM
50
-119.71/.74/.75
STL2 25
51 VARIANTE 2.0
470
-219.11/.12
STL2 26
52
VARIANTE 2.1
STL2
-219.01/.02/.03 560
-219.06/.07/.10
VARIANTE 2.2
560
-219.08/.09
VARIANTE 3.0
-319.01/.02/.05/.07 560
-319.09/.10/.12
VARIANTE 3.1
-319.03/.04/.06 560
-319.08/.11/.13
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
CC80902 CC80906
n.V.
M M
XX
XX
CC80901 L80901 CC80903
6,8u/2%
M M
100p/2% 33p/2%
+5V
CC80904
M
0,1u
M
60 59 58 57 56 55 54 53 52 51 50 49
61
P0-5
62
P0-6
63
P0-7
64
P2-3
65
P2-2
66
P2-1
67
P2-0
M 68
VSSA
69
CIC80905
FIL3
70 ICQF80
FIL1
SDA5250
71
FIL2
+5V
72
VDDA
CR80914
73
IREF
82k
74
CVBS
75
P3-7
76
P3-6
77
P3-5
78
P3-4
79
P3-3
80
P3-2
1 2 3 4 5 6 7 8 9 10 11 12
M
+5V
FBAS EPROM
M
IC80920 IC80921
CR80922 CC80920 CR80921 CC80919
27C516 27C2000
0 OHM
0 OHM
4,7k 0 OHM
M
4,7k 0 OHM
4,7k 0 OHM
4,7k 0 OHM
CUC 2020 / 2020N
+5V
D3 D0
D2 D1
D4 D2
D1 D3
48 47 46 45 44 43 42 41
D4
40
D5
D5
D5
D6
39
D0
D0
D7
38
D6
D6
A0
37
A0 A0 A0
A1
36
A2
D7
D7
A3
35
A1 A1 A1 A1
A4
34
A2 A2 A2 A5
A6
33
A10 A10 A10
A7
32
A3 A3 A3 A8
A9
31
A4 A4 A4
A10
30
A11
A11 A11 A11
A12
29
A5 A5 A5
A13 A13
28
A9 A9 A9 A14 A14
CR80934
A15
27
A6 A6 A6
*
A16
26 CR80932
A8 A8 A8 A17
CR80936 *
A18
25
A7 A7 A7
*
24
A13 A13 A13
23
A12 A12 A12
+5V
A14
22
A14 A14 A14
A9
21 A10
A15
A15 A15
A11
13 14 15 16 17 18 19 20 A12
A18
A13
A16
A8
A17
D7
D6
D5
D4
D3
D2
D1
D0
A7
A6
A5
M
A4
A3
A2
A1
A0
*
IC80920 M27C256 M27C512
CR80931 0 OHM 0 OHM
CR80932
CR80933 0 OHM
CR80934 0 OHM
CR80935
CR80936
vorgesehene Bestueckungsoptionen
3 - 25 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
+5V
0,1u
M M
CC80921
32 PIN
IC80921
*
**
M
A14
A9
A10
A11
A12
A13
A8
M 28 PIN
OE
D7
*
D6
IC80920
D5
27C512
D4
D3
D2
D1
**
D0
A7
A6
A5
A4
A3
A2
A1
A0
080698
*
IC80921 M27C1001 M27C2001 M27C4001
CR80931
CR80932 0 OHM 0 OHM
28 PIN CR80933 32 PIN
CR80934 0 OHM 0 OHM 0 OHM
CR80935 0 OHM 0 OHM
CR80936 0 OHM
3 - 26