GV 411-2
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 411-2
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Chassisplatte – Emfangseinheit / Family Board – Frontend (FV)
GRUNDIG Service
4 - 23
GRUNDIG Service
4 - 24
27
26
28
PLL Adj.
not used
*
*
LOW LEAKAGE
10uH
15uH
5740
*
G9350M
1721
OFW
7201
1722
OFW
to ONIC 1970
TDA 9800T
TDA 9813T
7200
0E
470E
3737
for PAL BG only
for PAL-I only
*
270E
330E
3747
to AF
U944C
UV916E
1740
1745
1746
1720
1701
AGC-Adj.
PAL-I/Nicam
PAL-BG/St.
to DE
from/to DE
AFC-Adj.
to DE
G3962M
* V E R S I O N
J1980M
SFE5,5MHz
SFE6,0MHz
SFE5,74MHz
TPS5,5MHz
TRAP 6MHz
for TDA 9800T only 2746, 2752, 3706, 3732, 3743, 3760, 3910, 3912, 3916, 3918, 3919, 3922.
for TDA 9813T only 2741, 2728, 2744, 2749, 2750, 3704, 3735, 3738, 3764, 3911, 3913, 3917, 3923.
to IO
3746
560E
OFW
from DE
from VS
*
for NICAM only
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
2,6V
2,6V
2,6V
2,6V
2,6V
2,6V
2,6V
2,6V
2,6V
3,4V
4,1V
5,1V
5,2V
3,4V
5,2V
0V
6,6V
2,4V
3V
1,9V
1,2V
0V
0V
2,5V
1,8V
2,1V
2,1V
2,5V
1,7V
2,2V
2,7V
2,8V
2,7V
2,8V
2,8V
2,6V
4,9V
3,4V
3,4V
3,4V
3,4V
3,3V
3,3V
7,5V
1,1V
3,1V
2,1V
2,1V
2,7V
5V
1V
3V
0V
2V
2V
2,1V
2,8V
2V 2,3V
5,1V
to RF-Modulator
12V
for PAL-I only
delete for PAL-I
FV
OFB3 (...62720)
MEASURED IN PLAYBACK MODE
MEASURED IN RECORD MODE
OSCILLOGRAMS
..
..
..
V
V
3922 G15
3919 I 9
3918 I14
3917 I13
3916 I13
3913 I11
3912 I11
3911 I10
3910 I10
3767 I20
3766 I19
3765 I16
3764 I15
3762 J15
3760 I15
3747 I13
3746 J13
3745 I13
3744 K10
3743 I10
3742 J 9
3739 G18
3738 G15
3737 F15
3736 H17
3735 C11
3732 C11
3731 A16
3730 A16
3729 H18
3726 E 6
3725 D 6
3723 H18
3706 G 8
3705 I 4
3704 G 8
3703 I 2
3702 I 2
3701 E 5
3231 D17
3217 A22
3216 B22
2752 G17
2750 D 9
2749 C10
2748 C11
2747 A15
2746 C10
2744 G16
2743 J 9
2742 J 8
2741 I11
2740 J11
2728 G16
2727 F16
2726 H17
2703 E 5
2702 I 3
2701 I 3
2700 F 1
2239 E17
2238 D17
2237 C16
2236 D17
2235 C17
2234 C18
2233 C18
2232 B18
2231 C22
2223 H22
2222 G22
2221 D22
2220 C23
1766 I20
1746 I14
1745 J14
1740 J13
1722 E 7
1721 D 7
1720 F 7
1710 F23
1701 F 4
1213 B22
7724 J10
7723 H18
7721 I16
7202 B20
7201 F 9
7200 E13
5766 I20
5740 J12
5727 J 9
5725 C12
5720 G 6
5702 J 3
5701 E 2
5231 C17
3966 H19
3923 H15
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
23
3
H
G
F
K
E
D
C
B
A
J
I
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
18
19
20
21
22
23
3
1k
3764
3919
0E
3918
0E
3922
0E
3913
0E
3923
0E
4k7
3736
680k
3723
1k
3729
1k5
3739
680E
3760
3738
470E
3737
3217
100E
33k
3231
3216
100E
150k
3744
22k
3705
1k
3762
3731
27k
27k
3726
8k2
3725
1k
3701
3730
27k
100E
3703
100E
3702
390E
3735
3747
1k
3765
3746
560E
3745
560E
680E
3704
3912
0E
3917
0E
3910
0E
3911
0E
390E
3732
3916
0E
680E
3706
270E
3766
2k2
3767
3966
0E
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
10m
5231
6u8
5727
6u8
5702
1u
5720
6u8
5701
5740
10u
5766
1740
1
2
TPS6,5MHz
1766
1
3
2
SDA
SCL
AF1
AF2
AGC
AFC
SCL
SDA
VFV
5VAS
+12A
+33V
SCL
SDA
1745
1
2
3
4
1746
1
2
3
4k7
3743
22k
3742
1721
1
2
3
4
5
1720
1
2
3
4
5
1722
1
2
3
4
5
+12A
5VAS
+12A
+33V
5VAS
+12A
5VAS
5VAS
5VAS
5VAS
+12A
5VA
5VAS
+12A
+33V
2223
220n
2222
220n
8p2
2748
2752
220n
2726
10n
2238
100p
2%
2235
820p
2234
100n
2233
10n
2221
10n
2220
22n
2231
10n
100n
2747
100n
2743
2741
100n
2700
100n
2701
100n
2702
220n
2749
100n
2746
5725
7KM
1
2
3
4
6
1710
ONIC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
6V3
2239
2u2
6V3
2237
47u
6V3
2232
10u
6V3
2236
2u2
16V
10u
2703
22u
2742
50V
2u2
2740
6V3
2u2
2750
6V3
22u
2728
16V
22u
2727
6V3
2744
2u2
TDA9800T/V3
7201
10
11
12
13
14
15
16
17
18
19
1
20
2
3
4
5
6
7
8
9
DETECTOR
VIDEO
VCO
WAVE
IF
AGC
DIVIDER
DETECTOR
TRAVELING
DETECTOR
FREQUENCY
AND PHASE
DEMODULATOR
AGC
TUNER
AGC
8p2
BUFFER AND
CLIPPING
NOISE
AFC
AMPLIFIER
VIDEO
AMPLIFIER
FM-PLL
AF
VIF AMP
IRV
TDA9813T/V2
7200
21
22
10
11
20
13
3
6
25
8
23
12
24
9
14
7
27
28
15
4
16
5
1
2
19
18
17
26
SINGEL
QSS MIXER
REFERENCE
SIF AGC
SIF AMP.
FM DETECT
FM DETECT
PLL
PLL
BC848B
7723
BC848C
7724
TDA9840T/V2
7202
18
11
12
13
14
15
16
19
20
17
10
1
2
3
4
5
6
7
8
9
Source Selector
Vref
Control
I2C Bus
L+R
2R
Vref
Logic
Level
Adj.
Vref
x2
Integr.
Demod.
Ctrl
Ctrl
2L/A/MONO
Voltage
2R/B
PLL
Osc.
Ref.
VDD
VDD
GND
SDA
SCL
Dual
Stereo
1213
10MHz
GNDA
GNDA
GNDA
GNDA
7721
BC858B
1701
11
12
13
14
15
16
17
5
6
MT
III
U
I
U
III
III
U
I
I
CL
RF
CS
VCC1
AGC
DA
VCC2
IF
AMP
BPF
MIX
VCO
MIX
VCO
AGC
AGC
PLL
BPF
BPF