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Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 26 EURO, GV 6000 EURO, GV 6300 EURO
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 26 EURO, GV 6000 EURO, GV 6300 EURO
4 - 25
GRUNDIG Service
4 - 26
GRUNDIG Service
Circuit principal – Etage FI / Family Board – Frontend (FV)
3771 B 9
5702 K 2
5703 E 3
5704 F 5
5705 K 4
5720 H 6
5721 E 7
5725 B14
5727 I18
5740 J16
28
27
26
80
31
FV(39620)
OSCILLOGRAMS
..
for Pal-BG/SEC-L/PAL-I
+
+
+
BP 6,0MHz
47p
BP 6,0MHz
HEF4053
1701 for < 1W
TP916L
TP944L
TMRG1-103A
TP926L
820E
1k
820E
1k
3760
...V MEASURED IN RECORD MODE
...V MEASURED IN PLAYBACK MODE
330E
390E
330E
100E
0E
0E
0E
0E
3709
220p
1n
1n
1n
1n
2706
2741, 2744, 2749, 2750, 3704, 3714, 3717, 3719, 3724, 3733, 3734, 3735, 3764
2746, 3700, 3706, 3716, 3718, 3720, 3721, 3722, 3728, 3732, 3760
for TDA 9812 only
for TDA 9800 only
L = PAL, SEC L
H = SEC L'
H = PAL BG
PAL BG/SEC L
PAL-BG/SEC-DK
PAL-BG/SEC-L
PAL-I-IR
PAL-I
PAL-BG
1721
3747
7720 / 7721
TDA9800T
TDA9800T
TDA9800T
/07
BP 6,5MHz
BP 5,5MHz
TRAP 5,5MHz
1746
BP 6,0MHz
/05
1745
1740
G1966M
1720
*
Pos.
VERSION
/01
/39
1701
TRAP 5,5MHz
TRAP 5,5MHz
BP 5,5MHz
BP 5,5MHz
7722
TDA9812T
47p
2736
270E
270E
TDA9800T
2.6-9V
4k7
4k7
4k7
4k7
3740
G1965M
J1952M
TRAP 6,0MHz
TRAP 6,0MHz
J1952M
5740
15u
15u
15u
15u
12u
2745
220n
3749
680E
3750
330E
TP916
TP944
TMRG1-104A
TP926
TMRG1-201A
1722
PAL BG/DK
H = DK
L = BG
L = SEC L
/59 amtblf.
G1966M
L9360M
2.4V
2.4V
2V
2V
0V
2V
3,8V
3,1V
0V
0,6V
2,8V
0V
from AL
from DE
from IO
delete for /01 and /59
Pos.1501
for /01 and /59 only
delete for BOOSTER
for PAL-BG/SEC-L
*
*
for MULTISTANDARD only
delete for MULTISTANDARD
*
to IO
to IO
to DE
from DE
to DE
AFC-Adj.
Adj.
from DE
*
*
not used
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
only
*
*
*
*
*
OFW
OFW
BAND-1
only for SEC-L or PAL-BG/SEC-L
for PAL-BG/SEC-DK
AGC-Adj.
*
40.4MHz
Band 1
32.4MHz
for TDA9800T only
OFW
for TDA9812T
*
*
not used
3,2V
3,2V
2,5V
3,3V
3,3V
0,9V
0.1V
1V
3V
1,8V
3,1V
3V
2V
2V
2V
2,7V
5V
5,2V
2,6V
2,1V
2V
2.8V
2.8V
2.6V
2.3V
2,8V
2,5V
2,7V
2,7V
2,4V
3,5V
2V
1,6V
2,4V
0V
2,6V
1,8V
2,5V
0V
2,3V
1,2V
1,8V
3V
*
*
*
*
*
*
*
*
OFW
not used
41645
3,3V
3,3V
5,5-9V
not for 1scart
Phaseoffset
Video-Ampl.
*
not used
from DE
3736 E18
3737 E21
3739 D22
3740 J13
3742 I13
3744 J11
3747 J16
3748 B16
3749 J16
3750 K16
3726 I11
3727 J 9
3728 G19
3729 E22
3730 B19
3731 C19
3732 C14
3733 G18
3734 E19
3735 B14
3716 H14
3717 H14
3718 H16
3719 H16
3720 H17
3721 H17
3722 J15
3723 D21
3724 I12
3725 H11
3704 H11
3705 J 5
3706 H11
3709 E 7
3710 F 8
3711 F 9
3712 F 9
3713 G 8
3714 H13
3715 I10
2752 E20
2753 J 7
3500 J 7
3501 K 7
3502 J 9
3505 K 3
3700 H12
3701 H 8
3702 J 6
3703 J 6
2742 I18
2743 I18
2744 G19
2745 J16
2746 C13
2747 C18
2748 C15
2749 B13
2750 C12
2751 D22
2722 C 7
2723 H 8
2726 E21
2727 F19
2728 F19
2735 H16
2736 I16
2739 H15
2740 I14
2741 I14
2701 K 4
2702 K 4
2703 I 7
2704 F 2
2705 K 2
2706 E 8
2707 E 8
2708 I 7
2709 J 5
2710 B10
1501 J 9
1701 F 1
1719 B10
1720 D10
1721 F10
1722 G10
1740 K15
1745 H17
1746 I17
2700 F 2
3760 G20
3761 F21
3762 G20
3764 G20
3765 G19
3766 B 7
3767 C 7
3768 D 7
3769 B 8
3770 C 8
7724 I11
7725 G21
7726 A15
7727 I 8
7728 H 9
7729 D 8
7730 C 9
7731 I10
6722 G 9
6760 C 8
6761 C 8
7500 J 7
7720 E13
7721 D17
7722 I21
7722 I19
7722 K15
7723 E22
4
5
6
7
1
8
9
10
11
12
13
14
15
16
17
18
19
2
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
7
1
8
9
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
3
BA792
6761
BA792
6760
6722
BA792
50V
100n
2709
25V
100n
2753
25V
100n
2701
50V
47p
2735
6V3
47p
2736
6V3
1n
2722
16V
120p
2707
6V3
220n
2752
25V
100n
2739
6V3
220n
2749
50V
8p2
2748
25V
10n
2723
2706
50V
100n
2702
25V
100n
2705
25V
100n
2700
25V
100n
2741
25V
100n
2743
25V
100n
2747
16V
10n
2726
6V3
10n
2728
25V
100n
2746
16V
220p
2745
25V
100n
2710
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDA
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
5704
5VA
5ASW
5VA
5VAF
5VA
+12A
+12A
+33V
5VA
5ASW
+12A
+33V
5VAF
5VAF
5VAF
5VAF
5VAF
5VAF
5ASW
5ASW
5ASW
+12AS
+12AS
6u8
5705
1u
5720
6u8
5702
5740
6u8
5727
6u8
5703
1k
3500
3502
1k
0E
3727
1k
3501
100k
3505
4k7
3767
1k
3764
0E
3733
0E
3728
0E
3721
0E
3720
0E
3719
0E
3718
0E
3716
0E
3717
680E
3706
0E
3700
0E
3714
47k
3766
680E
3704
1k
3761
3749
680E
180E
3735
4k7
3711
4k7
3737
3760
1k
3729
680k
3723
100E
3702
100E
3703
4k7
3710
4k7
3769
4k7
3771
100k
3770
3730
18k
1k
3701
8k2
3725
27k
3726
1k2
3715
3731
18k
2k7
3739
1k
3762
22k
3705
100k
3768
0E
3734
150k
3744
5k6
3736
390E
3732
0E
3722
0E
3724
3747
330E
3750
330E
3709
4k7
3712
4k7
3713
VIDOUT
+33V
5VA
+12A
SB1
VFV
SDA
SCL
PSS
AFV
AFC
AGC
AMLP
5ASW
7726
DTC124EK
7731
DTC124EK
7722
15
10
2
1
HEF4053BT
S
Z
Y0
Y1
E
7722
HEF4053BT
4
9
5
3
S
Z
Y0
Y1
E
16V
22u
2708
6V3
2u2
2750
16V
22u
2727
50V
2u2
2740
6V3
2u2
2744
16V
10u
2703
25V
4u7
2751
16V
22u
2742
50V
10u
2704
5VNW
1501
10
12
1
6
7
9
BC848B
7500
BC848C
7724
BC848B
7723
BC848B
7729
BC848B
7730
BC848B
7727
BF570
7728
1719
L9453M
5
4
1
2
3
1720
5
4
1
2
3
1721
5
4
1
2
3
1722
5
4
1
2
3
HEF4053BT
7722
13
12
14
11
6
16
7
8
Vee
S
Z
Vss
Y0
Y1
Vdd
E
1701
11
13
14
16
17
2
5
15
A
B
C
NC
12
6
3
1
III
I
III
UHF'
III'
I'
I
UHF
III
UHF
I
UHF
PLL_suppl
NOTE: UHF only for TP944
Tun_supply
passive
loop through
NOTE: Optional
RF-in
RF-out
AGC
sound
NOTE: Not in TB916
video
D
AS
MIX
PLL
PLL
BPF
MIX
VCO
MIX
MIX
VCO
VCO
AGC
AGC
AGC
BPF
BPF
BPF
MOD
+
I' III' UHF'
4k7
3740
2k2
3765
22k
3748
22k
3742
5721
6
4
1
2
3
41645
5725
6
4
1
7
0
3
2
1740
1
3
2
TDA9812T
7721
21
22
2
1
12
25
20
19
24
17
16
15
14
13
11
10
9
8
7
6
5
4
3
23
18
26
28
27
MIXER
INTERCARRIER
AM DEMODULATOR
SIF AGC
SIF AMP.
7725
BC858B
1745
3
2
1
1746
3
2
1
7720
TDA9800T/V3
1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
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
Reference
AL..............4-34
DE .............4-21
FV..............4-25
HV .............4-33
IO ..............4-27
OS .............4-24
PDCG1......4-36
PIO ............4-35
PKG11.......4-37
PKG12.......4-38
PMB ..........4-17
PSM ..........4-14
SE .............4-32
VS .............4-29
AC, 200mV/Div, 200ns/Div
Tuner 1701-(17)
26
REC
AC, 0,5V/Div, 500
µ
s/Div
C2751
27
REC
AC, 200mV/Div, 20
µ
s/Div
T7725 - Emitter
28
REC
AC, 500mV/Div, 200
µ
s/Div
C2611
31
REC
AC, 200mV/Div, 20
µ
s/Div
T7500 Basis
REC
80