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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Signal-Chassis – Video/Chroma (VS)
1
2
3
4
5
Reference
DE..............P 4-63
KSMD ........P 4-31
Tube PCB ...P 4-27
A
AL ..............P 4-62
IO...............P 4-55
KSPD.........P 4-37
TV ..............P 4-49
CO .............P 4-43
GSPD ........P 4-16
TU2............P 4-52
VS..............P 4-59
B
ENVC
5SE
5SE
for MSTD only
C
TRIV
SECAM-CURR.
HSC
4,8V
7018
10k
1,4V
HP1
BFS19
3027
GNDVS
PAL-CURR.
7019
D
0,7V
BC847B
1902
3029
1
GNDVS
not used
3024
GNDVS
1k5
0,7V
3048
REC
2
1k
FMRV
2041
3
E
18p
HP1
4
HSC
5
TRIV
GNDVS
REC
2070: not used
6
ENVC
GNDVS
7
F
CSYNC
8
5VAS
3022
PLAY
2040
9
FMPV
1k2
10n
10
GNDVS
GNDVS
G
2035
GNDVS
12p
H
PLAY
Y-REC-BPF
2038
5011
270u
82p
5SE
4,9V
I
4,8V
IREC
7015
DTA124EK
from DE
1,9V
3020
1k8
5SE
J
5,2V
4,8V
DO
7016
DTA124EK
from DE
GNDVS
3,4V
3017
K
4k7
2%
2%
3018
1k3
2%
2%
GNDVS
2033
L
68p
2%
2%
5PB
M
GNDVS
5008
7020
2,8V
2049
5u6
BFS19
3033
39p
2043
2044
2,3V
330E
1n
82p
N
1,6V
3,4V
3035
1,6V
GNDVS
7021
680E
BFS19
0,9V
GNDVS
O
GNDVS
for LP or SECAM only
3039
0V
2047
2k7
0V
18p
FMSW
from DE
7009
DTC124EK
GNDVS
P
GNDVS
FM PROCESSING
1
2
3
4
5
4 - 59
TVR 37..., TVR 51..., TVR 55...
6
7
8
9
10
5SE
5,2V
7000
4,8V
BC857B
GNDVS
GNDVS
GNDVS
GNDVS
3028
REC
4k7
3030
REC
6k8
5SE
GNDVS
63
GNDVS
2,2V
2,7V
GNDVS
1,4V
1,9V
2,7V
0,5V
42
41
40
39
38
37
36
35
3,1V
GND
VCC
YNR-CTL
ACC-DET
(TO AVNS)
R
REC
321FH
SLD
AFC
PLAY
VCO
DET
90
P.S.
COM
BGP2
ID-DET
BGP1
KIL-DET
PAL
4PHASE
R
R
SHIFTER
KILLER
C-LPF
P
7051
P
GNDVS
LA7437A
6dB
NL
CHROMA N.C.
DEEMPH
HALF H.
KILLER
WHI
PICTURE
Y/C
NOI CAN
CONTROL
MIX
SUB
LPF
DO
GNDVS
FM
MAIN
DO
DET
DEMOD
DEEMPH
DETAIL
W/D
DOUBLE
CARRIER
4.2V
CLIP
ENH
FMAGC
LIM
SHIFT
REF
CLAMP
DET
P
R
MAIN
NL
FM
FM
AGC
MOD
EMPH
EMPH
3V
4,4V
1
2
3
4
5
6
7
4,4V
8
3,2V
3,2V
64
3,4V
4,2V
3V
3,2V
2,2V
2,2V
2,3V
2,3V
2,7V
3014
62
2k7
2%
2%
5SE
4,8V
2025
7007
47p
BC847B
GNDVS
GNDVS
3.2V
65
2.6V
5SE
2.3V
1.6V
5PB
SYNC-FREQU.
GNDVS
GNDVS
GNDVS
5PB
PLAY
4,9V
DTA124EK
0V
7005
5SE
0.8V
5V
0.6V
3046
3,4V
7013
1k
BC847B
2,8V
GNDVS
GNDVS
6
7
8
9
10
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
11
12
13
14
15
5SE
5SE
not used
5V
2V
7002
0V
Pin 25
SP
L (0V)
5SE
4,8V
LP
Z (2.5V)
5V
S-LP
H (5V)
7003
DTA124EK
Color Vector
Pin 27
0,2V
GNDVS
for NTSCPB
Normal
L (0V)
PAL
only
LP features
Z (1.2...3V)
MESECAM Z (2.5V)
GNDVS
NTSC-PB
H (5V)
NTSC
3002
1k8
1000
2010
70
69
68
4,433619MHz
10n
GNDVS
3,7V
2,4V
0V
2,4V
4,8V
0,15V
1,8V
60mV
2V
GNDVS
0,2V
34
33
32
31
30
29
2,4V
28
27
26
25
24
PAL /
SLP/LP/SP
MESECAM /
SW2
FSC
NTSC
CHROMA
P
REC
MESEC
BPF
6dB AMP
N.C.
APC
VXO
LPF
PB
DET
MESEC
2FSC
APC
NAP
DET
Y/C-MIX
BGP2
XO
BP.AMP
BGP2
B.DEEM
BGP1
3RDLOCK
KILLER
KIL
PROTECT
R
B.G.
P
x2
SW1
BALANCER
DELAY
2FSC
CROT
SUB
MAIN
BURST
ACC
ACC
BPF
CONV
EMPH
AMP
DET
SUB
Pin 41
P
CONV
FSC
R
BPF
NT*REC
P
R
PB
REC
P
CLAMP
+
BGP1
R
BGP.GEN
BGP2
+
-
Y-LPF
P
1/2
+
+
R
P
-
DO
LIM
K2
CLAMP
DO
R
6dB
CORR
P
P
R
-
R
LIM
K1
QV/QH INS
SYNC
CHARA INS
LPF
SEP
W/D CLIP
DELAY
CLAMP
LPF
CLAMP
VCA
AGC
DET
VIDEO
VIDEO
P
R
4 PHASE SHIFTER
AGC
AMP
VCC
9
10
11
12
13
14
15
16
17
18
19
2,5V
3,2V
4,8V
0,4V
3,2V
1,9V
2V
0V
2,1V
1,6V
3007
2,9V
61
67
not used
REC
GNDVS
GNDVS
5SE
7001
5PB
5V
DTC124EK
0V
0V
GNDVS
0,8V
GNDVS
GNDVS
VIDEO
3005
1k
60
71
11
12
13
14
15
GRUNDIG Service
4 - 60
16
17
18
19
20
21
for SEC-DK only
5SE
1N4148
3072
1k
10
9
8
7
6
6070
VCC
LPF
PD2
COMP
1HDL
7070
LA7357
PD1
SLH
MESECAM
SW
FREQ.PHASE TIMING
CSYNC
LIMAMP
CONVERTER
GEN
DETECTOR
GND
1
2
3
4
5
5SE
Pin 30
GNDVS GNDVS
L (0V)
H (5V)
2117
1n
2,4V
68
2,4V
0V
GNDVS
23
22
GND
MESEC
MESEC
INVERT
REC NTSC
REC NTSC
PB ALL
B.G.
B.G.
B
A
R
P
SW1
REC APC-DET
PB APC-DET
ATT
20
21
1,1V
2,2V
66
GNDVS
GNDVS
GNDVS
GNDVS
1,9V
0,1V
0,9V
14
13
12
11
10
GND
CLK
SAMPLE
WAVE
PHASE
AND HOLD
SHAPER
COMP
OUTPUT AMP
CLOCK
CCD
853 STAGES
CLOCK
7060
DRIVER
CCD
2.5 STAGES
CCD
LC89979M-TE-L
852 STAGES
CLOCK
CLOCK
AUTO BIAS
SWITCHING
CCD
CIRCUIT
CIRCUIT 2
848.5 STAGES
CLOCK
AUTO BIAS
SYNC TIP
CENTER
CENTER
AND HOLD
BIAS
CIRCUIT 1
BIAS
CLAMP
OUTPUT AMP
VCC
NC
NC
1
2
3
4
5
6
2,6V
2,6V
2,5V
GNDVS
GNDVS
GNDVS
GNDVS
5SE
5SE2
...V MEASURED IN PLAYBACK MODE
...V MEASURED IN RECORD MODE
16
17
18
19
20
21
TVR 37..., TVR 51..., TVR 55...
22
23
24
for MSTD only
5SE1
5,2V
0,3V
3114
7103
0V
BC847B
4k7
3113
0V
0V
560E
5PB
0,2V
5,2V
7104
DTC124EK
0V
5PB
GNDVS
GNDVS
GNDVS
0,7V
5,2V
7105
BC847B
73
3,2V
2116
3115
1,6V
1k
10n
2,5V
0V
17
18
GNDVS
REC
LIMITER/
BLANKING
16
2,5V
15
2,3V
3123
3124
10k
1k5
LF CL/ANTICL
5
5,2V
GNDVS
70
2,1V
8,4V
2,4V
9
8
0,15V
1/3
VCO
TIMING
GENERATOR
RD VOLTAGE
5PB
GEN
SAMPLE
7006
5V
7
5002
BC557B
1,6V
6u8
0,8V
4,
5,1V
GNDVS
REC
22
23
24
GRUNDIG Service
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