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
1518
1
GND
E3
2
A
AUDIO-R
E3
3
AUDIO-L
4
+12VD
HEAD PHONE
5
AUDIO-R
6
HEAD PHONE
7
AUDIO-L
8
MICRO
9
MICRO
10
U
B
MUTE
11
NC
MICRO
U
DE 7020/13
MUTE
MICRO
AL 3277
1910
LINE OUT L
C
1910
LINE OUT R
HF
FE 7850/12
AUDIO-L
HF
FE 7850/11
AUDIO-R
D
AV2
IO 1917/6
AUDIO-L
E
AV1
IO 1916/6
AUDIO-L
F
AV1
IO 1916/2
AUDIO-R
G
AV2
IO 1917/2
AUDIO-R
AV2
IO 1917/3
AUDIO-L
AV2
H
IO 1917/1
AUDIO-R
AV1
IO 1916/1
AUDIO-R
AV1
IO 1916/3
AUDIO-L
MOD
FE 1152/3
AUDIO
PB
AL 2234
AUDIO
REC
AL 3276
AUDIO
I
HF
FE 3914
AUDIO
1910
LINE IN L
1910
LINE IN R
J
1
2
3
4 - 22
4
5
6
3360
390
3366
390
2292
+
2288
1U/100V
3376
1U/100V
470
+
X 3379
X 3380
+
3377
2290
0
0
470
1U/100V
2302
3386
3388
+
470
390
1U/100V
2306
3391
3393
+12VD
+
470
390
1U/100V
9,9V
3
5V
2
1
2310
3396
3398
+
470
390
1U/100V
2314
3405
3407
+
470
390
1U/100V
2318
1U/100V
+
3411
390
3413
390
4
5
6
GRUNDIG Service
GV470...
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
7
8
9
3384
120
3387
120
3362
470
7270
0,1V
BC818-40
0V
3368
470
0,1V
0V
7272
BC818-40
X 3382
0
+
2296
2294
+
1U/100V
1U/100V
2298
+
1U/100V
X 3383
0
2330
3424
+
47U/25V
390
21
20
19
18
17
REC
16
AV1
14
5V
2334
3418
+
AV2
12
5V
47U/25V
390
5V
10
7300/16
A
24
5V
VCC
SDA
SDA
7300/17
7280
A
23
5V
C
SCL
SCL
TEA6420
22
GND
ADDR
REC
15
5V
AV1
13
5V
2338
3428
AV2
+
11
5V
390
47U/25V
9
5V
4
5
6
7
8
2342
3433
+
390
47U/25V
7
8
9
4 - 22
10
11
12
13
2346
+
AER
2,2U/100V
2348
+
2,2U/100V
3372
+5VD
470K
7276
3374
BC858C
5V
6270
3364
10K
RLS4148
6,8K
0V
6275
3370
6,8K
RLS4148
31
2,8V
L
2,8V
32
R
3425
5,5V
22
L
470
5,5V
23
R
3420
470
+
47U/25V
6V
27
+
L
2380
+
65
47U/25V
28
+
6V
R
2382
3430
470
3,4V
30
+
3,1V
29
18
34
33
3435
470
26
10
11
12
13
GV470...
14
15
AEL
0,22U
2356
3,8V
3,8V
0,5V
39
38
37
36
35
24
NOISE REDUCTION
GAIN
ADJUS
+
AUDIO
-
LPF
-
AUDIO
+
LPF
NOISE REDUCTION
42
43
44
45
46
47
52
6,5V
66
0,22U
2394
62
14
15
GRUNDIG Service
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Inhaltsverzeichnis
