Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
4 - 14
GRUNDIG Service-Technik
4 - 14
GRUNDIG Service-Technik
Chassisplatte / Family Board – Video/Chroma (VS)
OSCILLOGRAMS
21
20
18
17
16
15
14
13
10
12
11
3.8V
0.6V
...V MEASURED IN RECORD MODE
...V MEASURED IN PLAYBACK MODE
4.8V
0V
0.7V
0.7V
1.8V
2.4V
4.8V
2.6V
3.3V
4.8V
8.0V
1.9V
2.4V
1.9V
2.5V
0.5V
0.6V
4.8V
3.1V
0.5V
0.5V
3.1V
1.6V
1.3V
4.8V
3.6V
4.8V
2.0V
2.2V
3.1V
2.2V
2.2V
2.5V
1.2V
2.8V
2.9V
1.6V
2.1V
2.1V
3.7V
2.0V
0.5V
4.2V
3.0V
4.8V
1.9V
2.3V
3.3V
3.3V
3.2V
0.5V
2.2V
0.6V
1.2V
1.5V
2.2V
0.3V
1.4V
3.0V
0.6V
1.6V
2.3V
4.8V
3.1V
1.4V
3.3V
3.0V
0.6V
2.2V
2.1V
4.8V
2.7V
4.2V
2.4V
2.4V
4.2V
2.5V
2.4V
2.9V
2.1V
1.2V
3.0V
3.4V
2.8V
2.4V
4.8V
0.4V
0.2V
0V
0V
1.1V
1.3V
4.8V
4.8V
1.2V
0V
0V
0V
0V
0V
1.2V
0V
0V
0V
0V
0V
0.6V
4.8V
0V
DTA124EK
7015
0204
0202
FFP
FFP
HP1
HP1
HSC
HSC
REV
REV
TRIV
ENVC
VSB
VSB
CSYNC
CSYNC
CSYNC
FMRV
FMRV
FMPV
FMPV
FMPV
FMPV
VBS
VBS
VBS
CIN
CIN
CKP
AL
CKPAL
LP
LP
CSI
CSI
CSI
IPBV
CHRS
CHRS
FMR
FMR
MES
MES
NA 9323
VIDEOSIGNALPROCESSING 9322
0203
CSP
LUMINANCE WRITING CURRENT
CURRENT SECAM
WRITING
CHROMINANCE
CURRENT PAL
WRITING
CHROMINANCE
from DE
from DE
from DE
delete for 4-HEAD
from DE
to Head amplifier L6
GNDA
FMPV
+5A
REV
ENVC
HSC
HP1
FMRV
GNDA
TRIV
FM PROCESSING
E/E LEVEL
SYNC FREQ
.
DEVIA
TION
Y-PB LEVEL
1H CCD
Y
REC LPF
CHR PB LPF
1/4
1/4
1/4
from DE
from DE
from DE
from DE
from AL
to DE
to DE
to DE
from IO
from FV
from DE
from DE
to IO
to IO
to IO
to DE
1/4
for txt only
for secam only
delete for 2lp
for LP
only 68p
only for mst or LP
not used
3052 J12
3051 J11
3046 N 9
3045 N10
3091 F18
3044 N12
3043 M12
3041 P12
3040 L 5
3039 K 1
3038 K 1
3037 M 2
3036 M 1
3034 L 3
3033 M 3
3090 G17
3031 N 6
3030 D 6
3029 M 4
3028 K 2
3027 D16
3026 K 1
3025 M 6
3023 K 7
3022 K 6
3021 J 6
3089 F20
3020 J 2
3019 I 2
3018 H 1
3017 H 1
3011 L 9
3010 D 5
3008 E14
3006 M17
3005 M16
3004 L16
3078 B21
3003 L16
3002 K15
3001 D 5
2211 D21
2107 D 2
2106 F19
2101 G17
2099 L 8
2098 C12
2096 M 4
3077 C21
2095 M 4
2090 J19
2088 E 7
2087 D17
2080 F18
2079 F15
2073 C10
2072 B22
2071 B20
2070 D20
3076 B21
2069 B20
2068 B18
2067 D16
2066 D17
2065 B17
2064 B16
2063 C14
2061 B12
2060 M16
2059 D14
3075 C20
2058 D14
2057 D13
2056 E12
2055 E11
2052 E10
2050 J14
2048 K13
2047 K12
2046 J12
2045 J11
3073 C20
2043 J11
2042 J10
2041 J 9
2040 J 8
2039 J 8
3094 G16
2038 K 2
2035 L13
2034 L14
2033 G20
2032 L14
3093 E17
3072 C19
2029 N10
2028 N11
2027 G19
2026 E16
2025 N14
2024 O11
2023 P13
2021 O12
2020 N 2
2019 N 2
3071 B18
2018 L 4
2017 K 2
2015 L 3
2014 K 7
2013 K 7
2012 J 6
2011 E 6
2010 D 6
2009 C 7
2004 B 5
3070 C18
2003 B 5
2002 C 5
2001 C 5
2000 K18
1911 F23
1603 A14
1601 J13
1101 K23
1002 P13
3069 D17
3068 C16
3067 B17
3066 B17
3065 B15
3064 D14
3063 B14
3092 G18
3062 B12
3061 D12
3060 E13
3059 N 8
3055 E14
3054 J 1
7504 M14
7053 O 5
7053 M 7
7053 M 5
7053 N 7
7051 G 4
7037 C 2
7036 C15
7032 M12
7031 M 9
7030 J19
7029 J18
7026 F17
7025 G16
7020 D22
7019 B19
7018 C17
7017 C15
7016 C13
7015 A11
7010 C 8
7007 L 4
7006 M 3
7003 L 9
7002 M17
7001 K16
7000 P12
6006 D22
6005 D22
6004 M 5
6003 K12
6002 J 3
6001 D 4
5025 M 4
5024 G19
5023 F19
5022 O11
5021 O12
5017 J 3
5016 M11
5015 M11
5014 J14
5013 C17
5012 D17
5011 B17
5010 C18
5009 D20
5008 B20
5006 B13
5005 D12
5004 B 5
5003 B 4
5002 C 5
3917 E 3
3912 K16
3138 N 5
3137 B 6
3136 J14
3135 J13
3132 F17
3128 F15
3119 C 8
3118 C 8
3117 E 5
3116 E 2
3112 D15
3111 D15
3109 D18
3106 J19
3105 K18
3104 J18
3100 I17
3099 I18
3098 H18
3097 H17
3096 H16
3095 H17
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
23
3
M
L
K
P
J
I
H
G
F
E
D
C
B
A
O
N
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
2
18
19
20
21
22
23
3
5VL2
5VL2
5VPB
5VL2
5VPB1
5VPB
5VAS
5VA
5VAS
5V
AS
5VL2
5VL2
5VL2
5VL2
5VL2
5VL2
5VPB1
5VPB
5VPB
5VL2
5VL2
5VL2
5VL2
5VL2
5VL2
5VL2
5VPB
5VL2
5VPB
5VL2
5VPB
5VPB
5VL2
5VL2
5VAS
5VL2
5VAS
5VL2
LP
CSI
SHP
CROT
IPBV
HSC
HP1
REV
ENVC
TRIV
CSYNC
VSB
VBS
FFP
MES
LP
FSC
H/2
DO
CKPAL
2k2
3060
2k7
301
1
100E
31
19
0E
3917
22k
3059
2k2
3040
1k
3137
3136
4k7
3041
3k3
3097
3k9
3038
100k
3135
820E
3055
18k
31
17
2k2
3030
2k2
31
12
680E
3027
470E
3111
5k6
3054
2k2
3046
1k
3044
18k
3078
100k
3025
100k
3031
560E
3064
18k
3077
4k7
3045
470E
3001
1k
3100
1k2
3105
4k7
3104
5k6
3019
10k
3017
270E
3063
1k8
3062
560E
3043
330E
3076
1k
3073
270E
3072
560E
3109
680E
3071
390E
3070
390E
3067
1k2
3066
560E
3069
1k
3068
1k
3065
2k7
3021
2%
1k2
3037
2%
3k9
3036
2%
820E
3022
2%
3k3
3092
1k
3089
1M
3051
8k2
3052
270E
3106
1k
3033
2k2
3034
1k5
3093
1k
3090
4k7
3028
1k
3023
2k2
3094
22k
3008
22k
3128
470E
3075
5k6
3091
680E
3132
4k7
3029
4k7
3095
2k2
3002
47k
3005
100k
3004
4k7
3006
4k7
3003
12k
31
16
10k
3138
100E
3061
2k2
31
18
0E
3912
GNDA
GNDA
GNDA
7003
BC848B
7007
BC848B
7036
BC848B
7017
BFS19
7031
BC848B
7016
BC848B
7032
BC848B
7019
BFS19
7026
BC848B
7025
BC848B
7029
BFS19
7030
BC848B
7001
BC848B
7002
BC848B
27p
2098
27p
2017
100n
2090
15p
2106
22n
2025
82p
2027
120p
2033
100p
2026
1n
2072
100n
2064
1n
2063
33p
2000
1n
2061
47n
2056
100n
2055
100n
2088
47p
2029
120p
2028
100n
2042
22n
2034
47p
2071
27p
2069
68p
2068
68p
2065
330p
2087
27p
2066
33p
2067
18p
2004
220p
2003
180p
2002
68p
2001
2019
150p
2%
390p
2013
2%
150p
2039
1n
2080
10n
2045
47n
2048
27p
2050
1n
2010
10n
2015
47p
2014
10n
2079
2020
100p
2%
68p
2038
47n
2057
47p
2096
47p
2095
22n
2043
82p
2070
47p
2211
120p
2101
100p
2018
10n
2107
1n
2073
10n
2060
LA7191
7051
DO
STOP
FM
K
LPF
SUB
LIM
DEMOD
DOUBLE
MAIN
ROTARY
DE EMPH
SHIFT
1/2fH
LP/SP
AMP
FM MOD
VIDEO
+
+
INSERT
FBC
LIM
CORR
+
6dB
ENH
VCC1
DETAIL
6dB
P
R
P
R
-
+
NL
BGP
EMPH
LPF
DOC
N
CHROMA
-6dB
AGC
W/D
CLIP
VIDEO
MAIN
EMPH
CLAMP
DET
AGC
DELAY
LPF
CLAMP
DO
3.5MHz
DET
CLAMP
-
CLIP
o
ID
DE EMPH
BGP
P
5.06M
BPF
PAL
VCA
CLAMP
BGP
ID
SW
P
R
PROTECT
3RDLOCK
SHIFTER
4PHASE
1/2
CONV
VXO
SUB
XO
321xfH
BGP1
BGP GEN
VCO
+
BGP2
DIV
NOICAN
SIDEL.
NL
ADJ
DET
1/2H
KILL
GND
SELECT
FILTER
MIX
Y/C
SYNC
X 2
P
-
PICTURE
CONTROL
NOICAN
WIDE
SEPA
SYNC
B.DEEM
KILLER
PB-AMP
SYNC
4.2V
REF
6dB
B.G
ACC
DET
ACC
AMP
S
P
P
P
B.G
DET
P/S
BALANCER
W/D
P
VCC2
BURST
P
EMPH
VIDEO
SP
LP
BGP
B.G
R
4.43M
ID DET
BPF
KIL DET
1MHz
MAIN
CONV
KILL
LPF
P
90
P
R
R
P
R
R
R
R
R
R
P
P
P
R
R
R
R
PB APC
REC APC
DET
DET
REC AFC
DET
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
5005
27u
6u8
5022
22u
5021
5023
330u
5024
560u
5006
8u2
5015
56u
5016
27u
5008
8u2
5010
27u
501
1
15u
5012
100u
5013
15u
5004
15u
5003
100u
5014
8u2
5009
15u
5025
27u
5017
56u
5002
27u
LM339DT
9
8
14
7053
LM339DT
1
6
7
7053
LM339DT
2
4
5
7053
DTA124EK
7037
1N4148
6006
1N4148
6005
6004
BA
T85
1N4148
6002
1N4148
6001
1N4148
6003
2023
220u
2024
47u
2021
100u
2035
1u
2046
1u
2047
1u
2032
1u
2040
10u
2041
10u
2099
10u
2012
1u
2009
10u
1101
1
2
3
4
5
6
7
8
9
7000
BC858B
7018
BF824
7006
BC858B
7010
BC858B
1002
T800mA
DTC124EK
7020
1911
1
2
3
4
5
6
7
8
9
10
FM REC CURR
2k2
3099
4k7
3010
4k7
3018
10k
3039
PAL REC CURR
10k
3096
4k7
3020
SEC REC CURR
10k
3098
4k7
3026
2058
2u2
2059
1u
2052
10u
201
1
10u
LM339DT
12
3
10
11
13
7053
COMBFILTER
1603
CF873
2
1
4
3
1601
4,433619MHz
7504
MSM7403ARS
VOB
OUT
VIDEO
IN
VCC
VIDEO
CLK
VSS
VDD
COMP
5
4
3
6
2
7
1
8
