Inhaltsverzeichnis
Werbung
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
CDC-Platte / CDC Board
1
2
3
4
5
A
+3.5V
HF-Preamplifier
3801
T120
+HF
470R
pin 14 of 7800
B
3808
2811
2807
11
47k
150p
47p
+1V
D
3803
3M3
2803
MC74HCU04N
82p
2804
C
82p
2805
3802
1
13
12
1k
150p
F
+1V
7800
MC74HCU04N
D
D
E
T138
T119
3822
56k
12
T137
F
11
T136
3821
T118
120k
10
T135
3824
T117
120k
3826
9
T134
10k
8
3825
T133
3820
G
+5
10k
1k
7
T132
6
T131
5
Track
D
D
D
D
D
4
T130
Focus
H
D
3
T129
2
T128
1
T127
1801
I
J
K
L
T126
6
SLEDGE
T125
5
M
T124
4
T123
DISC
3
T122
2
T121
D
1
N
1806
O
P
1
2
3
4
5
3 - 50
6
7
8
9
10
3806
3807
10k
10k
7800
MC74HCU04N
1
2808
1
10
9
8
3814
E
+1V
47p
+1V
D
+1V
3k3
7800
3805
3811
2810
22k
22k
15p
3804
1
3809
1
3812
3813
1
1
2
3
4
5
6
A
6k8
3k3
3k3
3k3
B
C
+1V
+1V
+1V
+1V
+1V
+1V
7800
7800
7800
MC74HCU04N
MC74HCU04N
MC74HCU04N
D
D
3819
2832
+3.5V
4k7
47n
D
+3.5V
7850 TDA 1301
DSIC2
T116
T098
VDD
1
Reset
28
+3.5V
uPROCESSOR
3823
CONTROL
+0.7V
2
Laser
SIDA
27
+3.2V
7820
INTERFACE
330
On/Off
BC338/40
T113
3
SICL
26
+3V
4
SILD
25
+3.3V
D
D
3780
Vref
+1V
4k7
GEN.
T104
3830
3851
D1
0V
5
Slide
24
+2V
10k
27k
T103
D2
3829
0V
6
Focus
23
+1.8V
10k
T102
3835
7
D3
22
+1.8V
0V
Track
3828
27k
T101
10k
8
Vref
21
3827
D4
10k
0V
9
20
+3.5V
D
R1
VDD
10
19
0V
+0.8V
2
11
R2
18
0V
+0.4V
12
17
+3.5V
XTAL
VDD
DIVIDER
+0.4V
13
16
OSCILLATOR
0V
14
15
DIGITAL
0V
SERVOPROCESSOR
D
D
D
D
D
D
D
3832
T112
+3.5V
4R7
D
D
D
D
10V
D
D
3847
T110
7851
2R2
TDA7073A
+4.8V
16
T105
+
1
D
+1.8V
-
15
2
+1.8V
T115
+
14
3837
3
6k8
+4.8V
13
-
4
5
+9.7V
VDD
+4.7V
12
-
3840
6
+1.8V
+
6k8
11
7
-
10
+1.8V
1830
+5V
9
8
+
160mA
D
7852
TDA7073A
+4V
16
0V
+
1
-
15
2
0V
T114
+
14
3
13
+5V
-
4
5
+9.2V
VDD
+4.5V
12
3853
D
D
-
6
+1.8V
+
8k2
11
7
-
10
T109
+4.7V
9
8
+1.8V
+
10V
T108
3849
1
4R7
D
D
6
7
8
9
10
GRUNDIG Service
PA 2 / PA 3
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
11
12
13
14
15
2814
2n2
8801
1852
1850
T094
T080
3815
24
24
1k
T093
T079
9886
23
23
T092
T078
D
22
22
+3.5V
3834
4R7
T091
T077
SIDA/DA_s
8
8
T090
T076
SICL/CL_s
SICL/CL
10
10
T089
T075
SILD_s
SILD
3782
12
12
4k7
3838
22k
D
D
D
1
3
D
D
T088
T074
OTD_s
20
20
+5
T097
T096
T087
T073
TT-_s
16
16
T086
T072
TT+_s
14
14
21
21
19
19
17
17
15
15
13
13
11
11
9
9
T095
7
7
5
5
3
3
D
D
T085
T071
18
18
T084
T070
+3.5V
+3.5V
6
6
T083
T069
+5V
+5V
4
4
T082
T068
+10V
+10V
2
2
T081
T067
1
1
1852
1850
11
12
13
14
15
3 - 51
16
17
18
19
20
+3.5V
T063
D
D
D
44
43
42
41
40
39
38
37
36
35
34
1
0V
33
7860
2
+1.8V
32
+0.2V
SAA7345
RAB
T057
3752
3
0V
31
220
+2.9V
CL
T062
4
30
0V
+3.2V
DA
T056
2856
5
29
D
0V
CLA
D
330n
6
28
+3.5V
0V
D
PORE
3856
7
27
+2.8V
22k
+1.8V
KILL
T061
8
26
+1.8V
2857
T060
9
25
+1.8V
47p
10
24
+1.8V
11
23
+3.5V
0V
CL16
12
13
14
15
16
17
18
19
20
21
22
D
D
D
T059
3862
1M
5860
D
D
+3.5V
D
2843
D
D
D
u47
FCR16,93MCT
TT-
TT+
MUTE
3783
10k
3784
10k
3785
5861
FCR8.00MCT
10k
3786
10k
3787
D
10k
3855
220k
D
D
3788
+3.3V
10k
+5V
WATCHDOG
TIMER
+5V
+5V
T064
D
D
+5
+5u
D
3865
1k
3864
1k
3863
1k
D
D
D
16
17
18
19
20
PA 2 / PA 3
21
22
23
7872
TDA1311A
T051
CL
1
8
+1.7V
+3.5V
T050
WS
+1.7V
2
7
T049
DATA
+1.7V
3
6
+3.5V
4
5
A
+4.9
2867
D
D
D
100n
2866
47u
+5
+3.5V
+5
+5
PORE
D
+4.6V
+4V
7881
3V
BC558
+4.6V
D
D
RESET
STBY=H
T046
TRAY
STACKER
T053
D
D
0V
5V
0V
0V
T044
+5V
+5V
+5V
+5V
+5V
0V
0V
0V
21
22
23
GRUNDIG Service
Werbung
Inhaltsverzeichnis
