Inhaltsverzeichnis
Werbung
GV 5000 ..., GV 5300 ...
Chassisplatte – Empfangseinheit / Family Board – Frontend (FV)
1
2
3
4
5
*
VERSION
PAL-BG/SEC-L
Pos.
PAL-BG
PAL-I
PAL-I-IR
PAL-BG/SEC-DK
PAL-BG/SEC-DK
Amtsblatt
A
1701
UV916E
U944C
UV916E
UV916E
UV916E
UV916E
1720
1721
K6256K
K6255K
1722
L9453M
1740
TRAP 5,5MHz
TRAP 5,5MHz
B
1741
TRAP 6,5MHz
1745
BP 5,5MHz
BP 5,5MHz
1746
BP 6,5MHz
1770
TRAP 5,5MHz
1771
TRAP 5,5MHz
TRAP 6,0MHz
TRAP 6,0MHz
C
1772
BP 6,5MHz
BP 5,5MHz
1773
BP 5,5MHz
BP 6,0MHz
BP 6,0MHz
1774
G1966M
J1952M
J1952M
K2955M
22u
2703
2704
10u
10u
10u
10u
10u
D
2717
3746
560E
3747
330E
220E
3772
180E
180E
180E
180E
5740
15u
10u
E
5772
10u
10u
10u
6u8
7701
TDA9812T
TDA9812T
7772
TDA5950
TDA5950
TDA5950
TDA5950
+33V
F
+33V
G
SBI
H = L'
L = Pal,Sec
+12A
H
+12A
5VA
S
5VA
from VS
+12A
+12A
I
3701
3704
1k
680E
*
*
GND
J
GND
GND
GND
26
12V
6
5
K
VCC2
AGC
I
III
VCO
*
1701
I
III
L
BPF
AGC
MIX
IF
17
RF
AMP
BPF
16
BPF
AGC
MIX
M
GND
U
I
III
U
MT
VCO
PLL
U
GND
CS
CL
DA
VCC1
N
13
14
12
11
15
5V
GND
O
GND
GND
P
SCL
SDA
5VAS
+33V
from/to DE
1
2
3
4
5
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
6
7
8
9
10
11
2776
1n
GND
2V
2,3V
2777
1u
22
*
1774
3,5V
2778
1
GND
5
24
10n
OFW
3,5V
2
4
23
3
2-9V
GND
GND
Del. Tuner
1
AGC
2
0,6V
AGC-Adj.
only for PAL-BG
PAL-BG/SEC DK
GND
7723
DTC124EK
22k
3748
+12A
+12A
GND
BAND-I Adj.
GND
6823
40.4MHz
1
*
5
1722
Band 1
BA582
OFW
2722
6824
32.4MHz
2
GND
4
100p
BA582
3
3832
7824
100k
BC848B
GND
7823
0,7V
BC848B
GND
0,7V
GND
3,3V
28
only for SEC-L
GND
1
*
PAL-BG/SEC-L
1720
5
3,3V
GND
27
OFW
2
4
not used
2717
3
GND
GND
3722
3,3V
2720
1
5
*
1721
100E
220p
1
5VAS
OFW
3,3V
5726
10
4
2
3
6 7 8
2
6720
GND
GND
5VAS
BA582
41645
2716
2-9V
not used
16
40,4MHz Trap adjust
GND
GND
GND
2723
only for PAL-BG/SEC-L
10n
GND
PAL-BG/SEC-DK Amtsblatt
AGC-Adj.
6
7
8
9
10
11
GV 5000 ..., GV 5300 ...
12
13
14
15
16
to IO
from IO
from DE
AOTDA
AIN1
IPBV
*
1770
3
1
32
*
1772
2
*
3
1
1771
2
GND
3
1
2
*
1773
GND
*
5772
3
1
2
5%
GND
GNDA
GND
*
2V
2V
2V
2V
0V
2,1V
2,1V
21
20
19
18
17
16
14
13
1
1
B
0
0
5V
1/2 U
Aux
6
15
AGC
5
0
0
B
AFC
TDA5950X
1
1
*
7772
5770
3
7
8
9
4
10
11
12
4
1,4V
2V
2V
2V
2V
2,5V
3,6V
3,6V
6
70
42134
GND
GND
5725
AFC-Adj.
3737
2750
2749
GND
180E
41645
2u2
220n
2748
GND
8p2
2%
GND
2,5V
2,6V
2,7V
2,7V
2,5V
3,6V
6
5
21
22
20
9
14
TDA9812T
SIF AGC
*
7701
INTERCARRIER
SIF AMP.
MIXER
AM DEMODULATOR
FM DEMODULATOR
8p2
TRAVELING
WAVE
VCO
AFC
AF
DIVIDER
AMPLIFIER
FREQUENCY
FM-PLL
DETECTOR
VIF AMP
VIDEO
VIDEO
AND PHASE
DEMODULATOR
AMPLIFIER
DETECTOR
TUNER
IF
BUFFER AND
AGC
NOISE
IRV
AGC
AGC
DETECTOR
CLIPPING
4
25
3
7
19
18
17
15
1V
3V
0V
3V
2V
2V
2V
2,7V
5V
*
*
*
1740
*
1745
3745
1
3
1
3
2
2
GND
GND
GND
GND
GND
*
5740
*
1746
5%
*
3746
5VAS
*
1741
1
3
2
1
3
GND
2
7724
GND
BC848B
2,5V
GND
AGC
PSS
H = Pal
to DE
from DE
L = Sec
12
13
14
15
16
4 - 23
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
17
18
19
20
21
IS1 IPBV
VBS
AOTDA
L
L
mute mute
L
H
FV
FA
H
L
mute
mute
H
H
VIN1
AIN1
5VAS
GND
GND
GND
GND
AFC-Adj.
3
2
1
3777
0E
for 1 scart &pal
and 1 scart &pal-secdk
5VAS
GND
2,5V
2751
10
2,1V
10u
13
5VAS
3736
2,4V
5k6
11
GND
2,4V
12
1,8V
GND
GND
2,2V
1,2V
7721
*
1k
8
BC858B
3760
2,5V
23
GND
24
GND
7722
*
BF824
GND
GND
GND
26
5727
5VAS
6u8
GND
GND
only for SEC-L
PAL-BG/SEC-L
OSCILLOGRAMS
..
PAL-BG/SEC-DK Amtsblatt
..V MEASURED IN PLAYBACK MODE
..V MEASURED IN RECORD MODE
17
18
19
20
21
22
23
1701 L 3
1720 J 9
1721 K 9
1722 H 9
1740 N14
A
1741 O14
1745 N15
1746 O15
1770 A16
1771 A16
1772 A15
1773 B15
1774 D 9
2700 J 2
2701 O 2
B
2702 O 3
2703 J 2
2704 J 3
2716 L 7
2717 K 7
2718 L 7
2719 L 7
2720 K 7
2721 L 8
C
2722 I 7
2723 M 8
2727 K18
2728 K18
2740 N13
2741 N13
2742 N17
2743 N17
D
2744 M18
2747 H15
2748 H13
2749 H12
2750 H11
2751 K19
2752 H11
2770 F12
E
2771 F13
2772 B12
2773 D17
2774 D18
2775 B13
2776 B11
2777 C10
2778 D 8
2779 B13
F
2780 B13
3701 I 3
3702 O 1
IS1
from DE
3703 O 2
3704 I 4
VIN1
3705 O 3
to IO
3720 L 7
VBS
3721 L 7
to VS
G
3722 K 6
3725 I 4
3726 J 4
3730 H18
3731 H18
3736 K17
3737 H13
3742 N12
3744 P13
H
AFC
3745 N15
to DE
3746 O15
3747 N14
3748 G10
3760 L19
3762 L19
3764 K20
3770 F11
I
3772 B15
3773 B15
3774 B15
3775 B12
3777 G19
3778 A13
3779 B13
3781 K21
3782 L 8
J
3825 J 6
3826 H 6
27
3829 I 7
3832 I 8
AFV
3833 H 7
to IO
3834 H 8
3911 N14
5701 I 1
K
5702 P 2
5720 M 5
5723 L 8
28
5724 L 8
5725 H14
VFV
5726 L 7
5727 N18
to IO
5740 O14
L
5770 E16
5771 C17
5772 B15
6720 L 8
6721 L 8
6823 H 7
6824 I 7
7701 I15
7721 L20
M
7722 M20
7723 G 9
7724 O13
7772 E15
7823 I 8
7824 I 8
7826 I 3
N
O
P
OFB11/2G (...3919.3)
FV-ECO
22
23
4 - 24
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