Table des Matières
Publicité
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
Etage de traitement du signal – Vidéo/Chroma / Signal Chassis – Video/Chroma (VS)
1
2
3
4
5
Record
A
Playback
B
ENVC
5SE
5SE
C
TRIV
SECAM-CURR.
HSC
4,8V
7018
HP1
1,7V
BFS19
GNDVS
PAL-CURR.
7019
D
0,7V
BC848B
1902
1
GNDVS
3024
GNDVS
1k5
1V
REC
2
FMRV
2041
not used
3
E
22p
HP1
4
HSC
5
TRIV
GNDVS
REC
6
ENVC
7
F
CSYNC
8
5VAS
3022
PLAY
2040
9
FMPV
1k2
10n
10
GNDVS
GNDVS
G
GNDVS
H
PLAY
2038
5SE
220p
4,9V
I
4,8V
IREC
7015
DTA124EK
from DE
1,9V
3020
470E
5SE
J
5,2V
4,8V
DO
7016
DTA124EK
from DE
GNDVS GNDVS
3,4V
3017
K
4k7
2%
2%
3018
1k3
2%
2%
GNDVS
2033
L
68p
2%
2%
5PB
M
2045
47p
5008
7020
2049
8u2
BFS19
2043
3033
2044
2046
2.2V
68p
330E
1n
47p
27p
0.3V
N
3039
1.5V
GNDVS
390E
0V
O
GNDVS
0V
2047
0V
56p
FMSW
from DE
7009
FM PROCESSING
DTC124EK
P
GNDVS
GNDVS
1
2
3
4
5
4 - 61
TVR 3710 FR, TVR 5100 FR, TVR 5500 FR
6
7
8
9
10
4,8V
GNDVS
for MSTD only
GNDVS
GNDVS
REC
3028
10k
4k7
3027
3030
REC
10k
2k7
3029
3048
GNDVS
63
2,2V
2,7V
1,4V
2,7V
GNDVS
42
41
40
39
38
37
36
3,1V
GND
YNR-CTL
(TO AVNS)
ACC-DET
SLD
321FH
VCO
PLAY
90
COM
BGP2
ID-DET
P.S.
BGP1
KIL-DET
PAL
R
R
KILLER
C-LPF
3021
P
1k
7051
P
GNDVS
LA7437A
6dB
NL
CHROMA N.C.
DEEMPH
Y-REC-BPF
WHI
PICTURE
Y/C
NOI CAN
CONTROL
MIX
5011
SUB
100u
LPF
DO
GNDVS
5SE
MAIN
FM
DO
DEMOD
DET
DEEMPH
4,8V
7010
DETAIL
DOUBLE
CARRIER
4.2V
W/D
CLIP
LIM
SHIFT
REF
CLAMP
2,7V
P
R
MAIN
FM
FM
BC848B
AGC
MOD
EMPH
EMPH
3,4V
2V
2,7V
2,2V
4,4V
1
2
3
4
5
6
7
3,2V
3,2V
64
3,4V
4,2V
3,2V
4,4V
2,2V
2,3V
2,3V
2,7V
3014
62
2k7
2%
2%
5SE
4,8V
2025
7007
47p
BC848B
GNDVS
GNDVS
GNDVS
3.2V
65
2.6V
2.3V
1.6V
5PB
GNDVS
GNDVS
GNDVS
4,9V
5PB
DTA124EK
0V
7005
0.8V
PLAY
5V
0.6V
7013
BC848B
GNDVS
7021
BF824
3043
5013
7014
1.2V
1k
BFS19
15u
0V
2053
27p
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
6
7
8
9
10
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
11
12
13
14
15
5SE
for NTSCPB only
5,2V
5SE
5SE
7000
BC858B
5V
2V
7002
0V
DTA124EK
5SE
4,8V
5V
7003
DTA124EK
Color Vector
Pin 27
GNDVS
0,2V
Normal
L (0V)
LP features
Z (1.2...3V)
GNDVS
GNDVS
NTSC-PB
H (5V)
5SE
3002
1k8
1000
2010
4,433619MHz
70
69
10n
GNDVS
GNDVS
3,7V
4,8V
2,4V
0,15V
1,8V
0V
2,4V
0,5V
2V
0,16V
GNDVS
2,4V
35
34
33
32
31
30
29
28
27
26
VCC
PAL /
SLP/LP/SP
MESECAM /
SW2
NTSC
FSC
REC
CHROMA
MESEC
R
P
BPF
6dB AMP
N.C.
VXO
APC
REC
PB
DET
MESEC
AFC
APC
2FSC
NAP
DET
DET
Y/C-MIX
BGP2
XO
BP.AMP
BGP2
B.DEEM
BGP1
3RDLOCK
KILLER
KIL
PROTECT
B.G.
R
P
x2
SW1
BALANCER
DELAY
2FSC
SUB
MAIN
BURST
ACC
ACC
CROT
BPF
CONV
EMPH
AMP
DET
4PHASE
SUB
Pin 41
P
SHIFTER
CONV
FSC
R
BPF
NT*REC
P
R
PB
REC
P
CLAMP
+
BGP1
BGP.GEN
R
BGP2
+
-
Y-LPF
HALF H.
P
1/2
KILLER
+
R
P
-
DO
LIM
K2
CLAMP
DO
R
6dB
CORR
P
-
P
R
LIM
K1
R
QV/QH INS
SYNC
CHARA INS
LPF
SEP
W/D CLIP
DELAY
CLAMP
LPF
CLAMP
ENH
FMAGC
AGC
DET
DET
NL
VIDEO
VIDEO
4 PHASE SHIFTER
P
R
AMP
AGC
VCC
8
9
10
11
12
13
14
15
16
17
2,7V
2,5V
3,2V
4,8V
0,4V
3,2V
1,9V
2V
1,6V
3007
2,9V
not used
61
67
REC
GNDVS
GNDVS
5SE
5PB
5V
7001
5SE
DTC124EK
0V
0V
GNDVS
0,8V
SYNC-FREQU.
GNDVS
GNDVS
5SE
0V
VIDEO
3005
1k
60
71
11
12
13
14
15
GRUNDIG Service
4 - 62
16
17
18
19
20
for SEC-DK only
5SE
1N4148
3072
1k
10
9
8
7
6
6070
VCC
LPF
PD2
COMP
1HDL
7070
LA7356
PD1
SLH
MESECAM
SW
FREQ.PHASE TIMING
LIMAMP
CONVERTER
GEN
DETECTOR
GND
Pin 25
1
2
3
4
5
SP
L (0V)
LP
Z (2.5V)
S-LP
H (5V)
5SE
Pin 30
GNDVS
GNDVS
PAL
L (0V)
MESECAM Z (2.5V)
NTSC
H (5V)
GNDVS
68
60mV
2,4V
2,4V
68
0V
GNDVS
25
24
23
22
GND
MESEC
MESEC
LPF
INVERT
REC NTSC
REC NTSC
PB ALL
B.G.
B.G.
B
A
R
P
SW1
REC APC-DET
PB APC-DET
+
VCA
ATT
18
19
20
21
0V
1,1V
2,2V
2,1V
66
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
1,4V
0,16V
7,9V
GNDVS
4,8V
24
23
22
21
20
19
18
GND
VCC
SAMPLE
RD VOLTAGE
AND HOLD
OUTPUT AMP
GEN
CLOCK
CCD
853 STAGES
7060
CCD
2.5 STAGES
CCD
LC89973M
852 STAGES
CLOCK
CLOCK
AUTO BIAS
SWITCHING
CIRCUIT
CIRCUIT 2
AUTO BIAS
SYNC TIP
CENTER
CENTER
CIRCUIT 1
BIAS
BIAS
CLAMP
GND
VCC
1
2
3
4
5
6
7
2,3V
2,3V
4,8V
2,2V
GNDVS
GNDVS
GNDVS
5SE2
GNDVS
VR
16
17
18
19
20
TVR 3710 FR, TVR 5100 FR, TVR 5500 FR
21
22
23
for MSTD only
5SE1
5,2V
7103
3114
CSYNC
0V
BC848B
4k7
0V
5PB
0,3V
5,2V
7104
DTC124EK
0V
5PB
GNDVS
GNDVS
7105
BC848B
3,2V
2116
3115
2117
1,3V
1k
10n
1n
GNDVS
REC
5SE
5SE2
GNDVS
2064
10n
3061
2065
82k
47u
16V
2V
2V
0V
4,8V
GNDVS
17
16
15
14
13
GND
GND
VCC
WAVE
PHASE
SHAPER
COMP
1/3
VCO
CLOCK
TIMING
DRIVER
GENERATOR
DUTY CYCLE
DETECTOR
5PB
CCD
848.5 STAGES
CLOCK
SAMPLE
AND HOLD
OUTPUT AMP
FSC
GND
GND
8
9
10
11
12
1,2V
2,4V
1,2V
GNDVS
GNDVS
GNDV
GNDVS
REC
...V MEASURED IN PLAYBACK MODE
...V MEASURED IN RECORD MODE
21
22
23
GRUNDIG Service
Publicité
Table des Matières
