Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
TVR 37… FR, TVR 51… FR, TVR 55… FR
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
TVR 37… FR, TVR 51… FR, TVR 55… FR
Etage de traitement du signal – Vidéo/Chroma / Signal Chassis – Video/Chroma (VS)
1,9V
3V
2,8V
3,4V
3,4V
0,9V
1,6V
1,6V
2,8V
2,3V
0,7V
4,8V
1,4V
0,7V
4,8V
5,2V
2V
4,8V
5V
5V
0,2V
0V
2,4V
60mV
2,4V
0V
1,8V
2,4V
0,15V
0,2V
3,7V
2,4V
2V
4,8V
2,7V
0,5V
2,7V
3,1V
2,2V
1,4V
1,9V
4,9V
4,8V
4,8V
5,2V
3,4V
4,8V
2,3V
3,2V
2,7V
3,4V
4,2V
2,3V
3,2V
3,2V
...V MEASURED IN PLAYBACK MODE
...V MEASURED IN RECORD MODE
0V
0V
5V
0.6V
2,3V
2,5V
0,15V
0,8V
5V
5,1V
4,
0V
2,4V
2,2V
1,1V
0V
2,1V
2V
1,9V
3,2V
0,4V
4,8V
3,2V
2,9V
2,5V
0V
0V
0,8V
5V
1,6V
3V
4,4V
2,2V
4,9V
0V
0.8V
3.2V
2.6V
2.3V
1.6V
2,2V
4,4V
1,9V
0,1V
0,9V
2,1V
8,4V
2,6V
2,6V
2,5V
1,6V
5,2V
2,4V
5,2V
0,7V
1,6V
0V
0,3V
5,2V
0V
0V
3,2V
5,2V
0,2V
0V
0V
2,5V
CSYNC
for LP or SECAM only
2070: not used
not used
only
not used
from DE
Y-REC-BPF
from DE
from DE
from DE
from/to DE
from DE
from CO
fD
E
from DE
to IO,CO
to DE
from IO
from DE
from DE
from DE
to/from DE
GNDVS
FMPV
5VAS
CSYNC
ENVC
TRIV
HSC
HP1
FMRV
GNDVS
CHROMA-IN
BGP-IN
not used
for NTSCPB
for MSTD only
To OHA 1910
not used
not used
not used
for SECAM only
FM PROCESSING
for SEC-DK only
MESECAM
DETECTOR
for MSTD only
PLAY
PLAY
PLAY
PLAY
PLAY
REC
REC
REC
REC
REC
REC
REC
for MSTD or SEC-DK only
VIDEO
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
18
2
19
20
21
22
23
24
3
M
L
K
P
J
I
H
G
F
E
D
C
B
A
O
N
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
18
2
19
20
21
22
23
24
3
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
2070
10n
2014
10n
2028
10p
2031
2%2%
200p
2032
10p
2034
2%
2%
68p
2033
2117
1n
33p
2118
1n
2071
10n
2012
100n
2073
10n
2075
10n
2010
2%
2026
390p
100n
2042
100n
2066
10n
2064
1n
2067
10n
2060
2039
56p
5p6
2037
82p
2038
12p
2035
1n
2030
2021
100n
2019
100n
2006
47p
2036
18p
2024
18p
2041
47n
2001
100n
2000
22n
2003
10n
2002
47n
2008
330p
2013
10n
2011
10n
2040
68p
2055
1n
2043
470p
2052
82p
2044
39p
2049
27p
2050
47p
2051
18p
2047
2115
220p
2116
10n
47p
2025
2%2%
180p
2062
100n
2068
100n
2053
7105
BC847B
7007
BC847B
7018
BFS19
7019
BC847B
7013
BC847B
7020
BFS19
7103
BC847B
7021
BFS19
5SE2
5SE
5PB
5PB
5SE
5PB
5AS
5PB
5PB
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5
5SE1
5PB
5SE
5SE
5SE
5PB
LC89979M-TE-L
7060
10
11
12
13
14
1
2
3
4
5
6
7
8
9
CLOCK
OUTPUT AMP
AND HOLD
SAMPLE
GENERATOR
RD VOLTAGE
GEN
TIMING
OUTPUT AMP
AND HOLD
CLOCK
SAMPLE
AUTO BIAS
CIRCUIT 1
853 STAGES
CCD
852 STAGES
CCD
CLOCK
CLOCK
CENTER
BIAS
CIRCUIT 2
AUTO BIAS
CENTER
2.5 STAGES
CCD
SHAPER
WAVE
SYNC TIP
CLAMP
BIAS
848.5 STAGES
CCD
PHASE
COMP
DRIVER
CLOCK
1/3
VCO
CIRCUIT
SWITCHING
CLOCK
VCC
NC
CLK
NC
GND
1k
3046
1k
3072
1k
3048
100k
3009
2%
2%
1k3
3018
6k8
3030
1k8
3020
4k7
3028
2%
2%
4k7
3017
1k
3019
1k
3115
100k
3011
2%
2%
2k7
3014
1k5
3060
2k7
3023
2k2
3015
18k
3012
560E
3013
1k
3000
1k
3025
3051
4k7
3026
2k7
3071
1k5
3024
22k
3004
1k8
3002
8k2
3001
6k8
3003
3008
2k2
3047
15k
3031
18k
3032
330E
3033
2k7
3034
270E
3036
1k
3038
390E
3037
2k7
3039
1k8
3041
680E
3035
3114
4k7
3113
560E
3112
1k
3124
1k5
3123
10k
3007
8k2
3062
1k
3005
DTA124EK
7003
DTA124EK
7016
7002
DTA124EK
7015
DTA124EK
7005
5003
100u
330u
5106
5012
220u
5010
47u
5011
270u
5009
150u
5001
15u
5002
6u8
5014
470u
5008
5u6
5007
120u
5005
27u
5004
6u8
5006
47u
5015
22u
1N4148
6070
1N4148
6000
3029
PAL-CURR.
10k
3010
SYNC-FREQU.
10k
3027
SECAM-CURR.
MES
LPV
HSC2
INTSC
ITRICK
ENVC
TRIV
HSC
HP1
FMSW
DO
IREC
IPBV
FFP
CROT
VP
CSYNC
VR
CKPAL
16V
2017
10u
16V
2022
22u
16V
2065
47u
16V
2027
10u
16V
2029
10u
16V
2020
10u
16V
2018
10u
50V
2016
1u
50V
2015
1u
16V
2023
10u
16V
2058
47u
7001
DTC124EK
DTC124EK
7009
7104
DTC124EK
16
17
18
15
LIMITER/
BLANKING
LF CL/ANTICL
7006
BC557B
BC857B
7000
16V
2007
47u
50V
2005
1u
50V
2004
1u
50V
2009
1u
1902
1
2
3
4
5
6
7
8
9
10
LA7357
7070
10
1
2
3
4
5
6
7
8
9
COMP
SW
LIMAMP
LPF
CONVERTER
FREQ.PHASE TIMING
GEN
1HDL
SLH
GND
PD1
VCC
PD2
3
40
9
34
2
41
1
42
8
35
7
36
6
37
5
38
4
39
16
27
17
26
18
25
19
24
20
23
21
22
11
32
12
31
10
33
13
30
14
29
15
28
1000
4,433619MHz
1k2
3022
64
62
65
61
67
60
66
69
68
68
71
70
63
70
73
Pin 25
LP
Z (2.5V)
S-LP
SP
H (5V)
L (0V)
Pin 30
MESECAM Z (2.5V)
NTSC
PAL
H (5V)
L (0V)
Pin 27
Color Vector
Normal
LP features
NTSC-PB
H (5V)
L (0V)
Z (1.2…3V)
LA7437A
7051
CROT
4 PHASE SHIFTER
+
6dB
BGP.GEN
COM
REF
KILLER
MAIN
4.2V
YNR-CTL
DEEMPH
(TO AVNS)
P
DO
DO
FM
DET
MOD
SHIFT
ACC-DET
CARRIER
DET
SHIFTER
4PHASE
FM
FM
AGC
LPF
SUB
LIM
DEMOD
DOUBLE
FMAGC
KILLER
HALF H.
DET
AFC
REC
NL
ENH
EMPH
DETAIL
90
W/D
PAL
P.S.
CLIP
SLD
MAIN
EMPH
MIX
Y/C
CHROMA N.C.
x2
BGP2
VCO
DELAY
321FH
CONTROL
PICTURE
ID-DET
KIL-DET
P
NL
WHI
CLAMP
NOI CAN
DEEMPH
PB
BGP1
BGP2
DET
APC
C-LPF
6dB AMP
REC
P
AMP
ACC
K1
K2
+
LPF
Pin 41
+
+
MESEC
-
ACC
PB
DET
MESEC
SLP/LP/SP
CLAMP
DO
-
P
+
LPF
VCA
MESEC
REC NTSC
INVERT
PB ALL
PB APC-DET
REC APC-DET
ATT
B.G.
REC NTSC
B
MESEC
SW1
P
A
B.G.
CLAMP
PROTECT
3RDLOCK
LPF
SW2
BGP2
VXO
XO
CONV
P
VIDEO
DELAY
SUB
1/2
AGC
6dB
SYNC
BPF
FSC
SEP
PAL /
MESECAM /
NTSC
2FSC
2FSC
NT*REC
P
P
BGP2
BGP1
CHARA INS
QV/QH INS
KILLER
B.DEEM
BP.AMP
W/D CLIP
BPF
FSC
NAP
CLAMP
CLAMP
BALANCER
SW1
CONV
MAIN
DET
APC
REC
Y-LPF
Y/C-MIX
KIL
BGP1
CHROMA
-
N.C.
P
DO
EMPH
BURST
VIDEO
AGC
DET
AMP
CORR
B.G.
LIM
LIM
R
R
R
R
R
R
R
R
R
BPF
SUB
P
P
P
R
P
R
R
P
R
R
+
-
GND
VCC
GND
VCC
4 - 59
GRUNDIG Service
4 - 60
GRUNDIG Service
Reference
AL ..............P 4-62
CO .............P 4-43
DE..............P 4-63
IO...............P 4-55
GSPD ........P 4-16
KSMD ........P 4-31
KSPD.........P 4-37
TU2............P 4-52
Tube PCB ...P 4-27
TV ..............P 4-49
VS..............P 4-59
