Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV470…
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV470…
4 - 22
GRUNDIG Service
4 - 22
GRUNDIG Service
Chassisplatte – FM-Ton / Family Board – FM-Sound (AF)
68K
3440
390
3413
390
3411
10K
3374
390
3366
390
3360
6,8K
3364
6,8K
3370
470
3368
470
3362
100K
3462
100K
3464
3,3M
3466
3449
1K
3447
68K
3444
470K
3372
0
X 3383
0
X 3380
0
X 3379
0
X 3382
390
X
3400
390
X
3402
0
X
3415
0
X
3422
390
3428
100K
3427
470
3430
390
3418
100K
3417
470
3420
390
3433
100K
3432
470
3425
100K
3423
390
3424
470
3435
470
3405
100K
3404
390
3407
470
3386
100K
3385
390
3388
470
3396
100K
3395
390
3398
390
3393
100K
3390
470
3391
470
3409
470
3377
470
3376
120
3387
120
3384
470P
2322
470P
2320
470P
2286
470P
2282
0,1U
2386
5%
4,7N
2392
0,22U
2394
0,22U
2356
5%
4,7N
2354
470P
2340
470P
2336
470P
2344
470P
2332
470P
2312
470P
2300
470P
2308
470P
2304
0,1U
2326
10N
2309
10N
2311
0,1U
2287
+
47U/25V
2380
+
47U/25V
2382
+
10U/50V
2384
+
2,2U/100V
2348
+
2,2U/100V
2346
+
10U/50V
2388
+
22U/25V
2390
+
22U/25V
2352
+
10U/50V
2350
+
47U/25V
2338
+
47U/25V
2334
+
47U/25V
2342
+
47U/25V
2330
+
1U/100V
2298
+
1U/100V
2296
+
1U/100V
2294
+
1U/100V
2292
+
1U/100V
2290
+
1U/100V
2288
+
1U/100V
2314
+
1U/100V
2302
+
1U/100V
2310
+
1U/100V
2306
+
22U/25V
2325
+
22U/25V
2327
+
1U/100V
2318
GAIN
ADJUS
AUDIO
AUDIO
LPF
LPF
+
+
-
-
+
+
+
NOISE REDUCTION
NOISE REDUCTION
L
L
L
R
R
R
24
35
36
37
38
39
31
32
22
23
27
28
30
29
18
34
33
42
43
44
45
46
47
52
47K
3442
47K
3438
2,2K
3446
AUDIO-R
AUDIO
AUDIO-R
AUDIO-L
AUDIO-L
AUDIO-R
AUDIO
AUDIO
AUDIO
AUDIO-L
AUDIO-L
AUDIO-L
AUDIO-R
AUDIO-R
AUDIO-L
AUDIO-R
AUDIO-R
AUDIO-L
SDA
SCL
RLS4148
6275
RLS4148
6270
BC858C
7276
1910
1910
1910
1910
6
5
4
3
2
1
11
10
9
8
7
1518
BC818-40
7270
BC818-40
7272
MUTE
U
MUTE
U
TEA6420
SDA
SCL
ADDR
VCC
C
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
7280
+12VD
+12VD
+5VD
J
I
H
G
F
E
D
C
B
A
15
15
14
14
13
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
HF
MOD
HF
HF
AV2
AV1
AV1
AV2
AV1
AV1
AV2
AV2
7300/17
7300/16
A
A
REC
PB
FE 3914
AL 3276
AL 2234
FE 1152/3
IO 1916/3
IO 1916/1
IO 1917/1
IO 1917/3
IO 1917/2
IO 1916/2
IO 1916/6
IO 1917/6
FE 7850/11
FE 7850/12
AL 3277
PCB DISPLAY CONTROL IIB,DC
HEAD PHONE
HEAD PHONE
E3
E3
MICRO
MICRO
MICRO
DE 7020/13
MICRO
NC
AER
AEL
GND
LINE OUT R
LINE OUT L
LINE IN R
LINE IN L
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
9,9V
5V
5V
0V
0V
0,1V
0V
0,1V
6,5V
3,8V
3,8V
3,8V
3,8V
2,4V
2,4V
3,8V
3,8V
3,8V
3,8V
3,8V
2,8V
2,8V
3,4V
3,1V
6V
6V
2V
0,5V
5,5V
5,5V
66
62
26
65
FE
DC
AV2
AV1
FE
DC
AV2
AV1
REC
REC
PB
AV1
AV2
AV1
AV2
PB