Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
EC 4790 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
EC 4790 CD
3 - 8
GRUNDIG Service
3 - 7
GRUNDIG Service
Prozessor-Teil / Processor Part
BFS
RFS
CFS
AFS
TASTFS
8382-170-433
4,332MHz
Q873
32KHz
Q883
33P
CC816
33P
CC818
*
CC812
10N
10N
CC810
22N
CC824
* CC827
56P
*
CC811
10N
*
CC825
22N
*
CC813
1N0
10N
CC1071
10N
CC1070
100N
CC822
* CC814
22N
*
CC809
1N0
22N
CC807
*
CC826
3N3
22N
CC801
33P
CC819
33P
CC821
* CT802
47K
DTC124XK
22K
47K
DTC124XK
22K
CT801
BZX84B5V6
CD804
*
CD803
BAS16
R
C
B
A
TAST
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
P16/ANI6
P95/FIP7
P96/FIP8
P97/FIP9
P100/FIP10
P101/FIP11
P102/FIP12
P103/FIP13
P104/FIP14
P105/FIP15
VLOAD
P106/FIP16
P107/FIP17
P110/FIP18
P111/FIP19
P112/FIP20
P113/FIP21
P114/FIP22
P115/FIP23
P116/FIP24
P117/FIP25
P120/FIP26
P121/FIP27
P122/FIP28
P123/FIP29
P124/FIP30
P125/FIP31
P126/FIP32
P127/FIP33
VDD
P70
P71
P72
IC
P00/INTP0/TI0
P01/INTP1
P02/INTP2
P03/INTP3/CI0
P30/TO0
P31/TO1
P32/TO2
P33/TI1
P34/TI2
P35/PCL
P36/BUZ
P37
X2
X1
VSS
XT2
P04/XT1
AVREF
AVDD
P10/ANI0
P11/ANI1
P12/ANI2
P17/ANI7
P15/ANI5
P14/ANI4
P13/ANI3
AVSS
P73
P74
*RESET
P20/SI1
P21/SO1
P22/*SCK1
P23/STB
P24/BUSY
P25/SI0/SB0
P26/SO0/SB1
P27/*SCK0
VDD
P80/FIP0
P81/FIP1
P90/FIP2
P91/FIP3
P92/FIP4
P93/FIP5
P94/FIP6
* CIC800
UPD78045
+
4U7/16V
C804
FMP803
FMP802
FMP801
+
1U0/50V
C806
4
3
2
1
8
7
6
5
* CIC801
24LC16
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CBU802
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CBU801
+
100U/6V3
C891
+
100U/6V3
C808
7
6
5
4
3
2
1
8
9
10
11
12
13
14
GND
VDD
* CIC802
40106
8305-741-106
LH3344-00
D802
+
220U/6V3
C823
+
220U/6V3
C802
1K0
CR849
*
CR821
10K
*
CR819
10K
*
CR818
10K
47K
CR851
* CR852
1K0
* CR853L
10K
*
CR802
100R
*
CR803
100R
* CR806
3K3
* CR804
3K3
* CR857
1K0
*
CR817
1K0
* CR854
1K0
*
CR814
10K
10R
CR801
220R
CR862
* CR834
1K0
*
CR873
330K
*
CR874
120K
*
CR891
470R
* CR879
1K0
470R
CR870
3K3
CR848
2V3
* CR871
2K7
*
CR872
100K
*
CR866
10K
*
CR867
10K
*
CR868
1K0
*
CR860
10R
470R
CR1071
10K
CR1074
22K
CR1075
1K0
CR829L
1K0
CR831L
1K0
CR832L
10K
CR833
* CR861
10K
* CR856
10K
* CR859
10K
22K
CR1073
10R
CR869
10K
CR1072
33K
CR1070
56K
CR828
47K
CR827
* CR813
47K
47K
CR863
* CR811
22K
* CR807
22K
10R
CR841
* CR839
1K0
1K0
CR846
* CR858
1K0
* CR838
10K
* CR837
1K0
10K
CR824
10K
CR823
*
CR822
10K
3K3
CR847
330K
CR843
*
CR816
1K0
G8
+G
+G
+G
GND
G7
NACHT
G6
LK2
LK2
G5
G4
S8
G3
S7
S6
S5
S4
ZUEND-ON
S3
G2
S2
S1
CD-RESET
ON/OFF
ON/OFF
ON/OFF
INTINK1
INTINK1
-30V
-30V
+T
+T
+T
G1
INK1
INK1
F+
F+
F-
F-
SDA
SDA
D_CD_MS
INTINK2
INTINK2
INTINK2
S23
RDS-CLK
G_SIEB
S22
MUTE
UREF
K-SIG
FELDST
CD-SLEEP
CD-CS
INK2
INK2
INK2
RDS-DATA
CD-CLK
+A
+A
S21
S20
SCL
SCL
LK1
LK1
S19
TAST
TAST
TAST
TAST
ROGER-BEEP
S24
STOP
S9
RELAIS-ON
S10
TEL-MUTE
S11
S12
4MHZ332
CD-BUS
CD-INSW
S13
S14
S15
+5V
+5V
+5V
+5V
+5V
+5V
+5V
D_MS_CD
RESET
S16
S17
CD-SRQ
S18
ENDST-MUTE
T
ABGLEICHPUNKTE
MESSPUNKTE
INKREMENTENGEBER LINKS
ENCODER
ROTARY ENCODER LEFT
BEDIENPLATTE
OPERATING PART
5V0
2V5
AC
5V0
5V0
14V
14V
5V0
10V
10V
-23V
-23V
5V0
Seite / page 3 - 2
Seite / page 3 - 1
Seite / page 3 - 2