Inhaltsverzeichnis
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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Chassisplatte – Empfangseinheit / Chassis Board – Frontend (FV)
2
3
4
5
6
*
VERSION STEREO
B
Amtsblf.
PAL-BG
PAL-BG
PAL-I/fullband
PAL-BG
PAL-BGI/SEC-LL'
PAL-BG/SEC-DK
Pos.
FM STEREO
NICAM STEREO
NICAM STEREO
FM/NIC. STEREO
FM/NIC. STEREO
1719
K9456M
1720
G1984M
G1984M
K3953M
G1984M
J1980M
1721
C
1722
TRAP 5,5MHz
TRAP 5,5MHz
TRAP 6,0MHz
TRAP 5,5MHz
TRAP 5,5MHz
TRAP 5,5MHz
1740
1745
EFC 5,5MHz
EFC 6,0MHz
EFC 6,0MHz
1746
EFC 5,5MHz
EFC 5,5MHz
EFC 5,5MHz
1747
EFC 5,74MHz
EFC 5,74MHz
EFC 5,74MHz
EFC 5,74MHz
EFC 6,25MHz
1748
2730
47p
47p
47p
D
2731
47p
47p
47p
2732
47p
47p
47p
2735
2745
220p
2750
2u2
2u2
2u2
4u7
4u7
2791
E
2792
4u7
4u7
2793
15p
15p
15p
15p
2795
1n
1n
1n
1n
3735
390E
390E
390E
3747
270E
270E
270E
270E
390E
3748
4k7(PLL)
4k7(PLL)
22k(BD1)
3749
680E
F
3750
330E
3760
1k
820E
3764
1k
1k
820E
3915
0E
0E
0E
0E
0E
3917
0E
0E
0E
3924
G
3972
0E
0E
3973
0E
3984
0E
0E
3985
0E
0E
3987
0E
0E
0E
0E
3988
0E
H
5740
15u
15u
15u
15u
12u
5741
39u
39u
39u
39u
7720
TDA9800T
TDA9800T
7721
TDA9813T
TDA9813T
TDA9814T
7722
HEF 4053
for TDA 9800T only 2726, 2743, 2746, 3706, 3732, 3737, 3910, 3912, 3916, 3918, 3919, 3926, 3989, 3990.
for TDA 9812T only 2729, 2741, 2744, 2749, 2750, 2751, 3704, 3736, 3911, 3913, 3923, 3925, 3950, 3986.
I
for TDA 9813T only 2728, 2733, 2744, 2749, 2750, 2751, 3704, 3765, 3911, 3913, 3923, 3925, 3986.
for TDA 9814T only 2728, 2733, 2741, 2744, 2749, 2750, 2751, 3704, 3765, 3911, 3913, 3923, 3925, 3950, 3986.
12SW
delete for MK2 Tumod
for MK2 Tumod only
J
Evolution Code AA
Evolution Code AB
3914
3725
5V
0E
8k2
GNDA
GNDA
K
GNDA
6
5
Tun_supply
I
III
1701
**
(Tuner/Modulator)
AGC
VCO
siehe Tuner/Modulatortabelle
I
III
see Tuner/Modulator Table
I'
voir table Tuner/Modulateur
L
BPF
AGC
MIX
BPF
AGC
MIX
III'
BPF
RF-in
BPF
AGC
MIX
M
UHF'
passive
UHF
loop through
VCO
UHF
NOTE: Optional
NOTE: UHF only for TP944
I' III' UHF'
NOTE: Not in TP 926
RF-out
MIX
N
+
MOD
VCO
video
sound
AS
PLL_suppl
15
12
1
3
A
11
2
O
31
*
80
P
GNDA
5VASW
GNDA
GNDA
GNDA
33V
GNDA
VMOD
AMCO
AMLP
from AF
from AL
from IO
2
3
4
5
6
4 - 21
GV 27 ..., GV 47 ..., GV 7...
7
8
9
10
11
*
VERSION MONO
PAL-BG/SEC-DK
PAL-BG
PAL-I/fullband
PAL-BG/I/SEC LL'
SEC-K1
PAL-BG/SEC-DK/K'
FM STEREO
FM/NIC. STEREO
FM MONO
FM MONO
FM/AM MONO
FM MONO
FM MONO
K9463M
K9463M
K9456M
G3956M
G3956M
G1965M
G1961M
J1980M
K2955M
G1966M
L9360M
TRAP 5,5MHz
TRAP 5,5MHz
TRAP 6,0MHz
TRAP 5,5MHz
TRAP 6,5MHz
TRAP 5,5MHz
EFC 6,5MHz
EFC 6,5MHz
EFC 5,5MHz
EFC 6,0MHz
EFC 6,0MHz
EFC 6,5MHz
EFC 6,5MHz
EFC 5,5MHz
EFC 5,5MHz
EFC 5,5MHz
EFC 5,5MHz
EFC 5,74MHz
EFC 6,25MHz
47p
47p
47p
47p
47p
47p
47p
47p
47p
47p
47p
47p
47p
47p
47p
220p
2u2
2u2
2u2
4u7
4u7
15p
15p
1n
1n
1n
1n
1n
1n
390E
390E
180E
330E
330E
330E
270E
390E
270E
330E
4k7(PLL)
4k7(PLL)
22k(BD1)
4k7(PLL)
4k7(PLL)
680E
330E
1k
820E
1k
1k
820E
820E
820E
0E
0E
0E
0E
0E
0E
0E
0E
0E
0E
0E
0E
15u
15u
15u
15u
12u
15u
15u
39u
39u
TDA9800T
TDA9800T
TDA9800T
TDA9800T
TDA9813T
TDA9813T
TDA9812T
HEF 4053
HEF 4053
HEF4053
*
2722
1n
GNDA
25V
*
2795
1n
50V
3709
2706
26
100E
220p
50V
17
5721
6
3
2
16
40,4MHz Falle
I
III
UHF
4
1
3708
13
GNDA
100E
PLL
3707
14
GNDA
100E
only for PAL-BG,I/SEC-LL'
3702
C
100E
PLL
3703
B
Achtung: Die Tuner/Modulatoren 1701 der Entwicklungscodes "AA" / "AB" (MK2) sind nicht kompatibel.
100E
Warning: The Tuner/Modulators 1701 with the evolution codes "AA" / "AB" (MK2) are not compatible.
Attentione: Les Tuner/Modulateurs 1701 avec les codes d'études "AA" / "AB" (MK2) ne sont pas compatibles.
1701 Tuner/Modulator
**
GNDA
GNDA
Tuner/Modulatortabelle
delete for booster
Tuner/Modulator Table
SCL
table Tuner/Modulateur
Pal-BG
75988-037.87
Pal-BG "MK2"
75988-041.43
Pal-BG/SEC-DK
75988-038.83
Pal-BG/SEC-DK "MK2"
75988-041.48
5VA
GNDA
Pal-BGI/SEC-LL'
75988-037.27
SDA
SCL
Pal-BGI/SEC-LL' "MK2"
75988-041.40
from/to DE/DC
7
8
9
10
11
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
12
13
14
15
16
17
from DC
SB1
PAL BG,I/SEC L,L'
PAL BG/SEC DK,K'
Stereo
Stereo
SEC L' = H
PAL BG = L
PAL, SEC L = L
PAL/SEC DK = H
only for PAL-BG,I/SEC-LL'
GNDA
for PAL-BG,I/SEC-LL' and
PAL BG/SEC DK,K' stereo
5VASWB
5VASWB
*
*
3732
2746
100n
25V
GNDA
*
*
3735
2749
*
1719
6760
25V
220n
40.4MHz
1
4
GNDA
*
Band 1
2750
BA792
3V
OFW
6761
5
2u2
0,1V
32.4MHz
2
GNDA
50V
BA792
7730
0,1V
3
BC847B
(SWITCH)
3V
3770
3,4V
GNDA
GNDA
100k
28
0,6V
0V
0V
7729
0,6V
GNDA
3,4V
BC847B
27
(SWITCH)
*
GNDA
GNDA
GNDA
TDA9800T/V3
*
1720
1
4
3,4V
1
1
3,3V
OFW
3,4V
3,3V
2
5
2
2
3
GNDA
*
*
1721
3704
1
4
16
12
680E
OFW
*
3706
2
5
680E
3
5V
GNDA
5VASWB
GNDAB
5VASW
5VASWB
*
3989
GNDA
1722
1
4
0E
5VASWB
7728
OFW
BSS138
2
5
(SWITCH)
3
5VASWB
GNDA
2,5V
for PAL-BG/SEC-DK
(Buffer)
*
7731
MMUN2212LT1
(Buffer)
GNDA
GNDA
GNDA
•
•
•
• • •
•
•
• •
•
•
•
•
• •
•
•
•
•
AGC
from/to DE/DC
12
13
14
15
16
17
GRUNDIG Service
4 - 22
18
19
20
21
22
*
7726
MMUN2212LT1
(SWITCH)
GNDA
*
GNDA
7KM
GNDA
AFC-Adj.
390E
2748
N750T
390E
.1% 50V
8p2
2,9V
2,6V
2,8V
2,8V
2,2V
3,5V
6
5
22
21
20
9
7721
*
(Audio/Videodemod.)
SIF AGC
TDA9814T
TDA9812T,
SINGEL REF.
SIF AMP.
QSS MIXER &
TDA9813T
AM DEMOD.
2,7V
6
2,8V
17
16
2,7V
15
1,7V
8p2
9
TRAVELING
WAVE
VCO
AFC
AF
7720
DIVIDER
10
AMPLIFIER
FREQUENCY
FM-PLL
DETECTOR
VIF AMP
VIDEO
VIDEO
AND PHASE
DEMODULATOR
AMPLIFIER
DETECTOR
7
TUNER
IF
AGC
BUFFER AND
AGC
AGC
NOISE
IRV
DETECTOR
CLIPPING
18
0V
1,1V
3,1V
2,1V
2,1V
2,7V
3
4
19
5
8
14
13
20
11
26
7
4
25
3
19
18
17
15
1V
3,1V
0V
2V
2V
2,1V
2,8V
3919
0E
*
3918
*
*
*
*
0E
*
1745
*
2730
1
47p
2
GNDA
50V
GNDA
*
1748
*
2735
1
47p
2
50V
GNDA
GNDA
*
*
1746
*
2731
1
47p
2
50V
GNDA
*
1747
2732
*
1
3V
47p
2
*
*
50V
*
*
2793
3749
5741
GNDA
7724
39u
BC848C
15p
680E
*
GNDA
5%
*
3916
*
2745
5740
50V
15u
220p
0E
*
10%
3917
50V
*
1740
0E
3747
GNDA
E
*
1
3
8
7
15
Z
Y1
1
2
Vss
Vee
*
13
3750
GNDA
Y1
10
S
Y0
2
HEF4053BT
330E
*
7722
Y0
12
HEF4053BT
(Deemph.-SWITCH)
*
7722
(Soundfilter-SWITCH)
PAL BG,I/SEC L,L'
PAL BG/SEC DK,K'
E
Stereo
Stereo
SEC = L
BG = H
4
Z
Y1
3
PAL = H
DK = H
Mono
Mono
9
S
Y0
5
HEF4053BT
SEC = L
BG = L
PAL = H
DK = H
GNDA
*
GNDA
7722
PSS
18
19
20
21
22
GV 27 ..., GV 47 ..., GV 7...
23
24
25
5VASW
392
0
GNDA
GNDA
delete for TDA980
for TDA9800T M
372
*
3925
2,5V
FM DETECT
220
10
0E
2752
PLL
*
3737
220n
25V
2,1V
*
2727
3k9
13
22u
*
GNDA
GNDA
FM DETECT
2,1V
PLL
11
*
1,8V
2728
12
22u
GNDA
*
2,5V
23
*
*
*
0V
GNDA
GNDA
GNDA
24
*
5VASW
GNDAB
14
8
2V
2,3V
GNDA
3
*
1,2V
3764
GNDA
1,9V
*
3760
7723
BC857B
3
(Buffer)
3
5VASW
GNDA
GNDA
*
3765
3
5k6
*
GNDA
*
6
E
14
GNDA
Z
3772
11
S
100k
Vdd
16
PAL BG,I/SEC L,L'
PAL BG/SEC DK,K'
5VASW
PAL BG = H
PAL BG = H
PAL I = L
PAL/SEC DK = L
SFS
from DC
23
24
25
GRUNDIG Service
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Inhaltsverzeichnis
