![Grundig GV 27 EURO Скачать руководство пользователя страница 45](http://html1.mh-extra.com/html/grundig/gv-27-euro/gv-27-euro_service-manual_2274477045.webp)
GRUNDIG Service
4 - 37
GV 27 EURO, GV 7… EURO
Circuits imprimés et des schémas électriques / Layout of PCBs and Circuit Diagrams
Décodeur NICAM (QNIC) / NICAM-Decoder (QNIC)
…
OSCILLOGRAMS
103
102
102
101
QNIC(40523)
5VASW
AFE
not used
not used
5V
5V
0V
0V
2,5V
4,8V
5V
5V
2,5V
2,5V
2,5V
5V
0V
0V
0V
0V
5V
1,6V
3,4V
4,4V
0V
2,5V
2,5V
2,5V
2,4V
2,4V
2,4V
2,5V
2,5V
2,5V
2,5V
2,5V
2,5V
2,5V
12SW
SSIF
SDA
SCL
GNDD
ANIL
ANIR
GNDA
+5D
TO QMB 1975 (FV)
2,5V
2,5V
2,5V
2,5V
5V
5V
... chip components
..V
MEASURED IN PLAYBACK MODE
7701 G14
7701 D14
7700 C 7
6701 B 7
6700 H 7
5707 B 9
5706 H 9
5705 E13
5704 E 2
5703 B 4
5700 H 7
3723 E15
3722 E15
3721 G15
3720 H15
3715 D 3
3714 C 5
3713 C 6
3712 C 6
3711 C 7
3710 B 8
3708 D13
3707 D13
3705 G13
3704 F13
3703 H 7
3702 G 6
3701 F 2
3700 G 2
2753 C 9
2752 H 9
2736 J 1
2734 E 2
2733 E 2
2732 H 6
2731 D 2
2729 D 2
2728 C 3
2727 C 3
2726 C 6
2725 B 8
2723 D14
2722 E14
2721 J 3
2720 F14
2719 G14
2718 F12
2716 F12
2714 F11
2713 F11
2712 F12
2710 H 8
2709 G 7
2708 H 6
2707 H 6
2706 H 5
2705 H 5
2704 H 4
2703 H 3
2701 G 2
2700 G 1
1970 K 2
1710 H 7
1700 J 2
4
5
6
1
7
8
9
10
11
12
13
14
15
16
2
3
H
G
F
K
E
D
C
B
J
I
H
G
F
K
E
D
C
B
J
I
4
5
6
1
7
8
9
10
11
12
13
14
15
16
2
3
12SW
+5AS
+5ASS
+5ASS
+5AS
12SW
+5ASS
+5D
+5AS
+5AS
+5D
1970
1
2
3
4
5
6
7
8
9
10
11
3721
10k
3720
10k
3704
2k2
3705
3k9
3722
10k
3723
10k
3708
2k2
3713
1k8
3714
33k
3710
330k
3702
22k
3700
1k
3715
10k
3701
100E
3703
100k
100n
2736
220n
2721
2n2
2719
2n2
2720
2n2
2723
2n2
2722
100n
2732
47n
2726
100p
2710
22n
2708
220n
2707
220p
2704
100n
2703
22n
2734
100n
2728
100p
2709
10p
2701
390p
2700
100n
2718
2712
2713
220n
2752
220n
2753
BAS216
6701
LM358N
7701
6
5
7
4
8
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA1
GNDA2
GNDA
GNDA
GNDD
GNDA2
GNDA
GNDD
GNDA1 GNDA1 GNDA1
GNDA1
GNDA2
GNDA2
GNDA2
GNDA2
GNDA
GNDA
GNDA
GNDA
GNDA2
GNDA2
GNDD
GNDA
GNDA
GNDD
GNDA
GNDA2
GNDA2
GNDA2
LM358N
7701
3
2
1
5706
5707
5705
5703
5704
3707
3k9
3712
100E
3711
100E
6u8
5700
T250mA
1700
8,192MHz
1710
1u
2725
10u
2705
10u
2706
47u
2733
47u
2727
10u
2729
10u
2731
47u
2714
47u
2716
SAA7284ZP/M2
7700
10
11
12
13
14
15
16
17
18
19
1
20
21
22
23
24
25
26
27
28
29
2
30
31
32
33
34
35
36
37
38
39
3
40
41
42
43
44
45
46
47
48
49
4
50
51
52
5
6
7
8
9
CLOCK
RECOVERY
BIT RATE
PHASE DET
DET
DEMO
NC
NC
NC
NC
8.192MHZ
OSC
DIGITAL
FILTER
DIGITAL
J17
+
DAC
DAC
R
L
a
a
NC
DATA SLICER
VCO
CARRIER
CONTROLLER
DECODER
NICAM
+
IIC
BB149
6700
Reference
Oscillograms ....4-38
AF....................4-29
AL ....................4-25
DC ...................4-35
DE ...................4-33
FV....................4-21
FM ...................4-24
HA ...................4-30
IO.....................4-27
OS ...................4-24
PS....................4-31
QMB ................4-15
QNIC ...............4-36
VP....................4-24
VS....................4-25
VS-S ................4-28