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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 411-2
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 411-2
4 - 29
GRUNDIG Service
4 - 30
GRUNDIG Service
37
35
36
38
32
RAF
GNDA
FMAR
+5A
RAF
HP2
FMAP
GNDA
BIAS
CTL1
CTL2
AEH1
AEH2
APH
ARH
MEH1
MEH2
to DE
to DE
from FV (SD)
from IO
from DE
KABEL 3-POL
low leakage
for LP only
0V
5,2V
0,7V
to OHA 1920
to TAPE-Deck
TD2
TD1
0,4V
0,6V
0V
0,1V
0,4V
10,2V
11,8V
10,3V
11,8V
9,6V
.. V MEASURED IN PLAYBACK MODE
0V
0,1V
3,9V
6V
0,1V
5,2V
3,9V
3,8V
3,8V
3,8V
3,9V
4,2V
3,9V
3,8V
3,8V
3,8V
3,8V
3,8V
3,8V
4,4V
4,4V
3,9V
3,9V
5,1V
5,1V
5,2V
5,2V
0V
0V
5V
3,9V
3,9V
3,9V
3,9V
5V
0V
0V
12V
0,7V
1,4V
.. V MEASURED IN RECORD MODE
OSCILLOGRAMS
..
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
3
H
G
F
K
E
D
C
B
A
J
I
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
3
100n
2136
10n
2610
100p
2120
820p
2600
15n
2613
22n
2102
22n
2101
220n
2611
33n
2612
220n
2108
220n
2107
220n
2106
220n
2105
2104
220n
2103
220n
10n
2117
22n
2111
22n
2110
1n
2621
330p
2618
ECQBF
27n
2622
47n
2620
1n5
2602
220n
2109
IEO
HP2
IRAF
AF1
AF2
AIN1L
AIN1R
AIN2L
AIN2R
CTL2
CTL1
+5V
+5VS
+5VS
+5VS
+12A
+12A
+12A
+12A
+5VS
+5VS
220E
3113
220E
3112
220E
3110
220E
3111
3M3
3608
2k2
3601
100E
3122
100E
3121
100k
3650
10k
3127
47k
3126
3139
100E
3617
22k
47E
3600
100k
3651
2k2
3652
220E
3616
3106
8k2
3M3
3607
220E
3615
22k
3109
18k
3108
3107
180k
10E
3638
1E5
3619
47k
3620
3k3
3624
33E
3625
8001
3
2
1
black
blue
red
6
5
4
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
GNDAF
16V
10u
2615
16V
10u
2121
16V
10u
2122
50V
2614
1u
16V
10u
2605
16V
47u
2609
50V
2u2
2100
16V
100u
2123
16V
100u
2124
16V
47u
2619
16V
47u
2617
100k
3618
1919
1
2
3
10m
5601
330u
5602
22u
5100
BC848B
7101
BC846B
7651
BC856B
7650
1905
1
2
3
4
5
6
7
1918
1
2
3
4
5
6
7
7604
BC328-40
BC817-40
7609
ERASE FREQU
5603
1
2
3
4
6
BC846B
7652
TDA9614H/N
7100
10
1
12
13
14
15
16
1
27
28
29
2
30
31
32
33
34
35
36
3
42
43
49
4
50
51
52
53
54
55
56
57
58
59
5
60
61
62
63
64
6
7
8
9
SDA
SCL
BIAS
Input
V
Sel
V
Volume R
Volume L
RAF+IPAF
RAF
NOMute
Normal Set
AGCN
RN+IPN
RN
PBSet
LP
DOC
RN+IPN
ENV
+
+
BPF
BPF
M
HF AGC
+
Iref
M
-
+
REC eq
PB eq
M
audio
audio
DOC
Mute
audio
audio
LPF
LPF
detect
limiter
limiter
detect
level
level
HF
LPF
LPF
HF
HF
HF
1.8Mhz
1.7Mhz
clipper
clipper
1.4Mhz
1.3Mhz
supply & Vref
2
PLL
PLL
S&H
S&H
CCO
CCO
I C
SAP
DD
TUL
TUR
SS
CINL
CINR
E1L
E1R
E2L
E2R
E3L
33
34
31
Chassisplatte / Family Board – Audio (AF)
Record
Playback