Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
TVR 3710 …, TVR 5100 …, TVR 5500 …
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
TVR 3710 …, TVR 5100 …, TVR 5500 …
4 - 61
GRUNDIG Service
4 - 62
GRUNDIG Service
Signal-Chassis – Video/Chroma (VS)
2,2V
4,4V
1.6V
2.3V
2.6V
3.2V
0.8V
0V
0V
4,9V
2,2V
4,4V
2,7V
1,6V
5V
0,8V
0V
0V
2,5V
2,9V
3,2V
4,8V
0,4V
3,2V
1,9V
2V
2,1V
0V
1,1V
2,2V
2,4V
0V
2V
2V
0V
7,9V
0,16V
1,4V
4,8V
4,8V
4,8V
2,3V
2,3V
2,2V
2,4V
1,2V
1,2V
0.6V
5V
3.8V
0.6V
3.2V
0.5V
2.2V
0.6V
1.2V
1.5V
2.2V
0.3V
1.4V
3.0V
0.6V
0V
0V
0V
1.2V
0V
0V
0V
0V
0V
...V MEASURED IN RECORD MODE
...V MEASURED IN PLAYBACK MODE
3,2V
3,2V
2,3V
4,2V
3,4V
2,7V
3,2V
2,3V
4,8V
2,7V
2,7V
4,8V
2V
3,4V
3,4V
5,2V
4,8V
4,8V
4,9V
1,9V
1,4V
2,2V
3,1V
2,7V
0,5V
2,7V
4,8V
2V
2,4V
3,7V
0,16V
0,15V
2,4V
1,8V
0V
2,4V
60mV 2,4V
0V
0,2V
5V
5V
4,8V
2V
5,2V
4,8V
0,7V
1,7V
4,8V
1V
CSYNC
VR
VIDEO
for MSTD or SEC-DK only
REC
REC
REC
REC
REC
REC
REC
PLAY
PLAY
PLAY
PLAY
PLAY
1k for MSTD
68p for LP
5,2V
0V
0V
5,2V
0V
0,3V
for MSTD only
DETECTOR
MESECAM
for SEC-DK only
FM PROCESSING
330p for SECAM
for SECAM only
not used
not used
not used
To OHA 1910
for MSTD only
for NTSCPB only
not used
BGP-IN
CHROMA-IN
GNDVS
FMRV
HP1
HSC
TRIV
ENVC
CSYNC
5VAS
FMPV
GNDVS
to/from DE
from DE
from DE
from DE
from IO
to DE
to IO,CO
from DE
from CO
from DE
from/to DE
5,2V
0,7V
3,2V
1,3V
from DE
from DE
from DE
Y-REC-BPF
from DE
not used
for MSTD only
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
18
2
19
20
21
22
23
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
3
5PB
5SE
5SE
5SE
5PB
5SE1
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE
5SE2
5PB
5PB
5AS
5PB
5SE
5SE
5PB
5PB
5SE
5SE2
DTA124EK
7005
DTA124EK
7015
DTA124EK
7002
DTA124EK
7016
DTA124EK
7003
1k
3005
8k2
3062
3007
3114
4k7
470E
3035
1k5
3044
1k
3043
560E
3042
1k2
3041
330E
3040
390E
3039
680E
3037
560E
3038
270E
3036
1k
3034
330E
3033
18k
3032
18k
3031
470E
3046
680E
3045
2k2
3047
2k2
3016
3008
6k8
3003
8k2
3001
1k8
3002
1k
3021
22k
3004
1k5
3024
2k7
3071
4k7
3026
3051
1k
3025
1k
3000
560E
3013
18k
3012
2k2
3015
2k7
3023
82k
3061
1k
3060
2%
2%
2k7
3014
100k
3011
1k
3115
1k
3019
2%
2%
4k7
3017
4k7
3028
470E
3020
2k7
3030
2%
2%
1k3
3018
100k
3009
3048
33k
3075
1k
3072
5015
22u
5006
15u
5013
15u
5004
100u
5005
15u
5007
27u
5008
8u2
5014
560u
5001
15u
5009
27u
5011
100u
5010
15u
5012
220u
330u
5106
5003
100u
1N4148
6000
1N4148
6070
2%2%
180p
2062
47p
2025
2116
10n
2115
56p
2047
82p
2048
33p
2054
27p
2053
560p
2051
68p
2050
68p
2049
27p
2046
47p
2044
100n
2052
1n
2043
100p
2056
120p
2055
10n
2040
10n
2011
330p
2013
47n
2008
10n
2002
22n
2003
100n
2000
47n
2001
22p
2041
18p
2024
180p
2036
100n
2006
100n
2019
2021
1n
2030
68p
2035
220p
2038
18p
2037
2039
56p
10n
2060
10n
2069
10n
2068
1n
2067
10n
2064
10n
2066
100n
2042
2%
2026
390p
10n
2010
10n
2075
100n
2073
10n
2012
1n
2071
33p
2118
2117
1n
2%
2%
68p
2033
10p
2034
2%2%
200p
2032
10p
2031
10n
2028
10n
2014
47p
2045
470p
2076
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
GNDV
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
7103
BC848B
7020
BFS19
7014
BFS19
7013
BC848B
7019
BC848B
7018
BFS19
7007
BC848B
7010
BC848B
7105
BC848B
10k
3027
SECAM-CURR.
10k
3010
SYNC-FREQU.
10k
3029
PAL-CURR.
CKPAL
VR
CSYNC
VP
CROT
FFP
IREC
DO
FMSW
HP1
HSC
TRIV
ENVC
ITRICK
INTSC
HSC2
LPV
MES
16V
2058
47u
16V
2023
10u
50V
2015
1u
50V
2016
1u
16V
2018
10u
16V
2020
10u
16V
2029
10u
16V
2027
10u
50V
2061
1u
16V
2065
47u
16V
2022
22u
16V
2017
10u
7104
DTC124EK
DTC124EK
7009
7001
DTC124EK
BC858B
7000
7021
BF824
50V
2009
1u
50V
2004
1u
50V
2005
1u
16V
2007
47u
1902
1
2
3
4
5
6
7
8
9
10
LA7356
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
LC89973M
7060
10
11
12
13
14
15
16
17
18
19
1
20
21
22
23
24
2
3
4
5
6
7
8
9
CLOCK
SHAPER
OUTPUT AMP
WAVE
AND HOLD
SAMPLE
PHASE
COMP
DUTY CYCLE
DRIVER
CLOCK
DETECTOR
GENERATOR
TIMING
OUTPUT AMP
AND HOLD
CLOCK
SAMPLE
AUTO BIAS
CIRCUIT 1
853 STAGES
CCD
852 STAGES
CCD
CLOCK
CLOCK
CENTER
BIAS
RD VOLTAGE
GEN
CIRCUIT 2
AUTO BIAS
CENTER
2.5 STAGES
CCD
SYNC TIP
CLAMP
BIAS
848.5 STAGES
CCD
1/3
VCO
CIRCUIT
SWITCHING
CLOCK
VCC
GND
GND
FSC
VCC
GND
GND
VCC
GND
GND
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
Pin 25
LP
Z (2.5V)
S-LP
SP
H (5V)
L (0V)
65
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)
61
67
60
66
69
68
68
71
70
63
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
Record
Playback