Inhaltsverzeichnis
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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Chassisplatte – FM-Ton / Family Board – FM-Sound (AF)
1
2
3
IO 3462
AUDIO-L
IO 3463
AUDIO-R
A
1518
1518
Y 1518
9518
9518
9518
GND
1
2
AUDIO-R
3
AUDIO-L
4
5
AUDIO-R
6
7
AUDIO-L
8
B
9
10
U
MUTE
11
NC
U
DE 7020/13
MUTE
AL 3292
Y 1910
Y 3362
C
LINE OUT L
390
Y 1910
Y 3365
LINE OUT R
390
A
D
IO 2370
AUDIO-L
IO 2372
AUDIO-R
E
F
MOD.
IO 2377
AUDIO
G
H
PB
AL 2247
AUDIO
REC
AL 3290
AUDIO
FE 2795
AUDIO
REC
IO 2373
AUDIO-L
REC
I
IO 2375
AUDIO-R
1910
LINE IN L
1910
LINE IN R
J
AV
IO 3484
AUDIO-R
AV
IO 3474
AUDIO-L
1
2
3
4 - 26
GV44..., GV45..., GV46...
4
5
6
E3
E3
E3
E3
+12VD
120
HEAD PHONE
3368
120
HEAD PHONE
3369
MICRO
MICRO
3363
470
MICRO
MICRO
3374
+5VD
470K
7263
7262
BC858C
0,1V
BC818-40
5V
6262
3370
0V
RLS4148
6,8K
0V
3367
470
0,1V
6265
3372
2,8V
0V
RLS4148
6,8K
7265
BC818-40
2,8V
EE/PB
EE/PB
5,5V
5,5V
47U/25V
6V
+
2305
65
47U/25V
+
6V
2307
26
3,4V
3,1V
3425
Y
390
Y
3427
Y
390
A
Y
4
5
6
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
7
8
9
AEL
AER
2272
+
2,2U/100V
2270
+
2,2U/100V
3375
10K
0,22U
2280
3,8V
3,8V
0,5V
39
38
37
36
35
24
31
L
NOISE REDUCTION
GAIN
ADJUST
+
AUDIO
-
LPF
32
R
22
L
23
R
+
27
L
+
28
R
-
AUDIO
+
LPF
30
+
NOISE REDUCTION
29
18
34
33
42
43
44
45
46
47
52
6,5V
0,22U
66
2317
62
7
8
9
GRUNDIG Service
4 - 26
10
11
12
13
3397
1K
3398
A
5,6K
SDA
A
CFL
SCL
PBL
2282
2285
2295
4,7U/50V
4,7U/50V
22N
3,8V
3,8V
3,8V
3,8V
25
49
50
2
1
15
16
17
14
12
11
51
64
40
41
21
ONE
SHOT
SUPPLY & Vref
MUTE
IIC-BUS
LOOP
FILTER
AUDIO
CLIPPER
1,3MHz
1,4MHz
CCO
S&H
HF
LPF
HF
LPF
S&H
AUDIO
1,7MHz
CLIPPER
1,8MHz
CCO
LOOP
+
FILTER
TDA 9610
R
L
R
L
R
L
R
L
48
4
3
6
5
8
7
10
9
53
3,7V
HIFI
61
60
A
CFR
Y 3421
B
47K
10
11
12
13
GV44..., GV45..., GV46...
14
15
5302
+12VD
100UH
TDK
2298
22N
19
20
59
57
13
LEVEL
1
60
1
DETECT
HF
0V
61
LIMITER
7335
0V
2,6V
BC858C
1,2V
1,2V
56
+
25
5V
0,6V
HF
55
0V
LIMITER
54
62
63
7320
26
58
...V
Voltages measured in playback
...V
Voltages measured in record
14
15
GRUNDIG Service
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