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Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 26 EURO, GV 6000 EURO, GV 6300 EURO
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 26 EURO, GV 6000 EURO, GV 6300 EURO
4 - 29
GRUNDIG Service
4 - 30
GRUNDIG Service
Circuit principal – Vidéo/Chroma / Family Board – Video/Chroma (VS)
21
15
18
16
20
19
13
14
17
12
11
OSCILLOGRAMS
..
...V MEASURED IN PLAYBACK MODE
...V MEASURED IN RECORD MODE
0,8V
0V
0V
0V
1,1V
1.2V
0,5V
0,3V
0V
0.6V
3.0V
1.4V
0.3V
2.2V
1.5V
1.2V
1,3V
2.2V
0.5V
3.2V
1,3V
3.8V
5V
1,3V
CROT
IPBV
VS(39620)
FFP
FFP
HSC2
HSC2
CSP
CSP
CSYNC
CSYNC
CROT
VREC
VREC
CKPAL
CKPAL
H_2
H_2
VSB
VSB
FMPV
FMPV
FMRV
FMRV
CSR
CSR
FSC
FSC
MES
MES
MES
ACC2
ACC2
ACC2
CSI
CSI
LPV
LPV
LPV
IPBV
INTSC
INTSC
ACC1
ACC1
ACC1
ITRICK
ITRICK
IREV
IREV
DO
DO
*
+5VA
from DE
2V
0.5V
0.4V
1.4V
2.5V
1.9V
*
*
not used
for 3uP 2k7
delete for 3uP
not used
for MESECAM only
HV, DE, SE, IO, OS
to HEADAMPLIFIER
2.9V
3,5V
5.3V
4.5V
0.4V
5.1V
5.3V
2.1V
2,9V
5.3V
2.7V
3,6V
5.2V
2.2V
5.3V
0.2V
5.3V
5.1V
-4D
-4C
-4B
-4A
PAL Curr.
SECAM Curr.
for 3uP
for ACC only
FM-PROCESSING
from / to DE
for ACC only
for NTSCPB only
for TXT only
for ACC only
LP only
for MSTD or
68p...for lp only
Pos.2055
330p...for mstd or mes only
for mstd or mes only
not used
to IO
to OS
to IO/OS
from DE
for TXT or OSD1F only
1.5V
1.8V
2.9V
3.2V
2.1V
2.9V
2.9V
5.1V
2V
2.7V
4V
0.3V
3.8V
1.3V
1.9V
0V
2.5V
0.8V
2.5V
2.5V
3.2V
2.2V
3.6V
2.7V
4.2V
3.5V
2.3V
3.2V
3V
4.6V
2.3V
4.5V
2.3V
3.1V
2.2V
2.5V
3.3V
2.9V
5.1V
0.3
3.1V
2.1V
2.2V
0V
1.2V
2.1V
2V
0V
0.4V
1.3V
0.3V
4,9V
5,3V
2.1V
2.1V
1,1V
2.4V
2,2V
2.3V
2.3V
1.2V
12k for TXT
from/ to SE
from/ to IO
only for mstd
for LP only
for MSTD only
Sync-Frequ.
1,5V
0,8V
0,6V
2V
0,7V
0,7V
0,1V
0V
0V
0V
0,2V
0V
0,7V
2V
1,8V
0,4V
0V
2,7V
2V
0V
0V
1,8V
0V
1,7V
2,3V
3,7V
5,1V
0V
330E for 2/0 only
Pos. 3034
for 3uP only
delete for 3uP
3038 E 8
3037 E 8
3036 E 6
3035 E 8
3034 K 3
3031 L 6
3030 L 5
3029 K 5
3028 K 5
3027 J 6
3026 K 8
3025 K 8
3024 K10
3023 K15
3022 N14
3021 M15
3020 L14
3019 P 4
3018 M16
3017 I27
3016 P 4
3015 M17
3014 K17
3013 N15
3012 K22
3011 K18
3010 N 4
3009 M 4
3008 L21
3007 K22
3006 C22
3005 C23
3004 B20
3003 C20
3002 D19
3001 B 9
3000 C18
2094 M11
2087 N11
2086 K19
2085 K18
2083 L15
2081 O 7
2076 D29
2075 N15
2074 B28
2073 B29
2072 B29
2071 D27
2070 B29
2069 M27
2068 L30
2067 L30
2066 I30
2065 I29
2064 I29
2062 I 7
2061 I28
2060 I26
2058 M17
2057 K15
2056 E18
2055 M 8
2054 L 8
2053 M 9
2052 M 9
2051 M10
2050 C 5
2049 D 7
2048 E 7
2047 G 7
2046 H 8
2045 G 8
2044 H 9
2043 K25
2042 K 4
2041 K 5
2040 K 6
2039 J 8
2038 J 9
2037 K13
2036 M 6
2035 N 6
2034 P 3
2033 O 5
2032 L 4
2031 N15
2030 K18
2029 L14
2028 K15
2027 K16
2026 L17
2025 L17
2023 M14
2022 L19
2021 K20
2020 L20
2019 F 6
2018 K21
2017 K23
2016 K24
2015 K24
2014 F26
2013 L25
2012 E25
2011 E21
2010 G29
2009 O18
2008 E17
2007 E16
2006 E15
2005 C 8
2004 C14
2003 D15
2002 C17
2001 C17
1000 E19
3049 L 9
3048 M 9
3047 M10
3046 C 6
3045 D 6
3044 D 7
3043 E 4
3042 E 5
3041 H 9
3040 H 7
3039 G 7
9660 F30
7060 K28
7051 H14
7050 C27
7040 P 7
7039 M11
7038 O11
7036 K19
7035 N19
7035 N19
7035 M19
7035 O17
7030 B10
7021 L 8
7020 K 5
7019 C 6
7018 C 7
7016 H 6
7015 F 5
7014 L10
7013 J10
7010 I 8
7009 N 5
7007 L16
7006 O 5
7005 M 4
7004 L22
7003 C21
7002 B21
7001 N 4
7000 C 8
6000 L16
5060 F30
5014 M 9
5013 L 8
5012 F 7
5011 H 8
5010 G 7
5009 H 8
5008 K 4
5007 K 7
5006 M 6
5005 K 8
5004 M 8
5003 N14
5002 O 5
5001 F26
5000 O 3
3085 N11
3081 N19
3080 L18
3079 O19
3076 M18
3075 M19
3074 O18
4
5
6
7
8
9
10
11
14
15
16
17
2
18
19
20
21
22
23
24
25
26
27
3
28
29
30
N
M
Q
L
K
J
I
H
G
F
E
D
C
P
B
A
O
N
M
Q
L
K
J
I
H
G
F
E
D
C
P
B
A
O
4
5
6
7
8
9
10
11
14
15
16
17
2
18
19
20
21
22
23
24
25
26
27
3
28
29
30
CSI
ACC1
FFP
CROT
VSB
VREC
ACC2
DO
CKPAL
ITRICK
MES
INTSC
HSC2
IREV
IPBV
LPV
5VPB
5ASW
FSC
H_2
FMPV
CSYNC
FMRV
CSP
CSR
5VA1
5VA1
5VA1
5VA
5VA
5VA11
5VA1
5ASW
5ASW
5VA1
5VA1
5VA1
5VA11
5VA1
5VA11
5VA1
5VA1
5VA1
5VA1
5VA1
5VA1
5VPB
5VA1
5VPB
5ASW
5VPB
5VPB
5VPB
5ASW
5VPB
5VA11
9660
DTA124EK
7015
DTA124EK
7002
DTA124EK
7000
DTA124EK
7003
DTA124EK
7016
820E
3019
8k2
3043
1k
3007
22k
3064
820E
3063
8k2
3062
10k
3061
1M
3060
47k
3009
2k7
3008
68k
3005
100k
3011
3k9
3035
22k
3004
18k
3073
18k
3074
33k
3079
10k
3080
22k
3081
22k
3076
10k
3017
2k7
3014
1k
3068
82k
3069
2k7
3039
2k2
3023
4k7
3020
1k
3022
2k2
3018
1k5
3013
47k
3075
220E
3012
3015
1k
3000
470E
3085
470E
3041
22k
3006
1k
3040
2k2
3024
1k8
3002
27k
3070
4k7
3072
8k2
3001
22k
3003
4k7
3016
1k
3050
470E
3030
1k
3049
560E
3051
1k2
3025
330E
3026
390E
3052
680E
3027
560E
3031
270E
3028
1k
3029
470E
3034
470E
3047
680E
3048
100k
3056
1k3
3021
1k
3045
1k5
3044
3k9
3037
47k
3010
2076
6V3
2058
50V
10n
2057
50V
10p
2083
25V
220n
2056
6V3
100n
2009
6V3
47p
2081
50V
10n
2019
6V3
47p
2094
50V
10n
2013
50V
10n
2011
63V
2026
390p
50V
10n
2066
25V
220n
2064
50V
1n
2067
50V
10n
2068
50V
10n
2069
50V
10n
2060
50V
68p
2048
50V
18p
2047
50V
220p
2046
50V
68p
2044
50V
1n
2037
50V
10p
2031
6V3
2025
6V3
10n
2022
25V
100n
2020
50V
180p
2045
50V
33p
2075
50V
47n
2003
25V
100n
2006
50V
22n
2001
50V
10n
2007
50V
47n
2004
50V
330p
2014
50V
10n
2012
6V3
10n
2087
6V3
33p
2036
6V3
82p
2035
50V
33p
2053
50V
27p
2054
6V3
560p
2055
50V
68p
2039
50V
68p
2040
50V
27p
2041
50V
47p
2042
25V
100n
2038
50V
100p
2051
6V3
120p
2052
63V
68p
2023
50V
10n
2062
63V
200p
2029
50V
47p
2032
6V3
1n
2071
50V
22p
2049
25V
100n
2050
25V
100n
2030
50V
10n
2043
5060
1u5
5000
6u8
5012
220u
5010
15u
5011
100u
5009
27u
5003
100u
5001
15u
5002
6u8
5006
15u
5013
15u
5004
100u
5005
15u
5007
27u
5008
8u2
5014
560u
7004
BC858C
7021
BF824
BC858B
7006
7010
BC848B
7007
BC848B
7030
BC848B
7020
BFS19
7014
BFS19
7013
BC848B
7019
BC848B
7018
BFS19
7005
BC848B
7001
BC848B
1k2
3036
4k7
3046
10k
3042
10k
3038
10k
3057
6V3
2073
4u7
6V3
2072
100u
6V3
2074
2u2
6V3
2070
2u2
6V3
2086
22u
6,3V
2065
47u
50V
2061
1u
16V
2027
10u
16V
2028
10u
16V
2021
10u
16V
2018
10u
50V
2016
1u
50V
2015
1u
16V
2085
10u
6,3V
2033
47u
16V
2034
220u
16V
2017
10u
7050
LA7311
VCC
PK DET
DEM
B.G
GND
13
14
2
11
12
9
7
10
3
8
4
1
6
5
16
15
DTC124EK
7009
DTC124EK
7036
DTC124EK
7040
DTC124EK
7039
DTC124EK
7038
6,3V
2010
47u
50V
2008
1u
50V
2002
1u
50V
2005
1u
LM339
2
5
4
3
12
7035
LM339
7
6
1
7035
LM339
11
10
13
7035
LM339
9
8
14
7035
LC89973M
24
23
7060
10
11
12
13
14
15
16
17
18
19
1
20
21
22
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
1N4148
6000
10
3073 O18
3072 B11
3070 B 9
3069 I29
3068 I30
3064 B30
3063 B27
3062 D27
3061 D27
3060 D28
3057 M17
3056 M17
3052 L 6
3051 M 8
3050 J 9
Pin 25
LP
Z (2.5V)
S-LP
SP
H (5V)
L (0V)
Pin 27
Color Vector
Normal
LP features
NTSC-PB
H (5V)
L (0V)
Z ( )
Pin 30
MESECAM Z (2.5V)
NTSC
PAL
H (5V)
L (0V)
Cassette
normal
bad
good
ACC1
L
L
H
ACC2
L
H
L
Pin 40
2V
2.5V
1.5V
Pin 11
2.5V
3V
2.5V
IC7051
Variantentab.
*
Basic
Basic & ACC
Standard
2025
–
47p
2058
–
180p
3015
680E
560E
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
Reference
AL..............4-34
DE .............4-21
FV..............4-25
HV .............4-33
IO ..............4-27
OS .............4-24
PDCG1......4-36
PIO ............4-35
PKG11.......4-37
PKG12.......4-38
PMB ..........4-17
PSM ..........4-14
SE .............4-32
VS .............4-29
Chrominance
Luminance
Playback
Record
Chrominance
Luminance