4 - 36
GRUNDIG Service
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
for SECAM-L only
VSB
VSB
VIDOUT
VIDOUT
SCL
SCL
SDA
SDA
INT
INT
POR
POR
CLKD1
CLKD1
DATD1
DATD1
IOFP
IOFP
CSR
CSR
FMPVS
FMPVS
CSP
CSP
CSI
CSI
CSYNC
CSYNC
VIN1
VIN1
VBS
VBS
FOME
FOME
VFV
VFV
blue
blue
green
green
8SC2
8SC2
red
red
VIN2
VIN2
VOUT2
VOUT2
BLANKING
BLANKING
MON
MON
AIN2
AIN2
AOUT2
AOUT2
pin10
pin10
pin10
are not used
POS 6812 and 3950
TO/FROM CO-UNIT
TO OFB2-I/O
Connector 1591
TO OFB2-I/O
Connector 1591
/4-D
/4-C
/4-B
/4-A
TO/FROM VS-UNIT
+5D
VSB
SCL
VIDOUT
SDA
INT
POR
GNDD
IOFP
CLKD1
DATD1
GNDA
VBS
5.0V
5.13V
2.3V
0.3V
0V
"FOLLOW TV" OPTION
SCRAMBLE
SCART 2
5VPB
AIN2
NC
VIN1
blue
pin10
green
MON
BLANKING
AOUT2
FOME
GNDA
VIN2
VOUT2
8SC2
VFV
GNDA
GNDVID
red
-7V
5VSWA
0,3V
0,1V
0,1V
CSYNC
GNDVS
TO OFB2-I/O
Connector 1591
FMPVS
CSR
CSI
CSP
GNDVS
TO/FROM OSD-UNIT
7852 D10
7851 C10
7850 C 8
7850 E 8
7850 F10
7850 D12
7550 H 6
6812 D 2
6811 C 2
6590 H 4
6580 J 3
6571 I 3
6570 H 3
6564 H 5
6563 G 4
6562 G 4
6561 F 4
6560 F 3
6550 E 4
3950 C 3
3867 D 7
3866 B 7
3865 D 9
3864 C12
3863 D12
3862 D11
3861 C11
3860 C10
3859 C10
3858 C 9
3857 C 9
3856 C 8
3855 E 7
3854 D 7
3853 E 6
3852 C 6
3851 C 7
3850 C 7
3590 D 4
3589 D 4
3584 I 5
3582 J 5
3581 J 5
3572 I 4
3571 I 4
3570 H 3
3551 G 6
3550 E 4
2860 C12
2858 D10
2855 E 7
2854 E 7
2853 C 7
2852 C 7
2851 D 6
2850 B 6
2581 I 5
2580 J 2
2571 I 3
2570 H 2
1954 E 1
1953 I11
1952 E15
1951 A15
4
5
6
7
8
9
10
11
12
13
14
2
3
4
5
6
7
8
9
10
11
12
13
14
2
3
H
G
F
E
D
C
B
A
J
I
H
G
F
E
D
C
B
A
J
I
GNDA
GNDA
GNDVID
GNDVID
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDVS
GNDVS
GNDA
6812
BZX84-C6V8
6811
BZX84-C6V8
3950
0E
3589
8k2
3590
2k2
3550
75E
3581
100k
3572
100k
3570
6k8
3571
6k8
3582
4k7
3584
470E
3551
6k8
CSYNC
pin10
CSP
CSI
CSR
FMPVS
VBS
CLKD1
DATD1
POR
INT
SCL
SDA
IOFP
VSB
VIDOUT
1953
1
2
3
4
5
6
7
8
9
10
11
7851
BC848B
7852
BC848B
GNDD
5VPB
5VSWA
5VSWA
5VSWA
5VSWA
5VSWA
-7V
-7V
-7V
-7V
-7V
-7V
5VSWA
-7V
-7V
-7V
-7V
5D
1952
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1951
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
3862
15k
3861
22k
3863
100k
3864
4k7
3867
4M7
3866
4M7
3865
4k7
3850
15k
3851
10k
3852
10k
3853
10k
3854
15k
3855
10k
3856
2k2
3860
4k7
3857
4k7
3858
2k2
3859
0E
2570
470p
2571
470p
2580
470p
6550
BZX84-C12
6590
BZX84-C18
6570
BZX84-C12
6571
BZX84-C12
6560
BZX84-C12
6580
BZX84-C12
6561
BZX84-C12
6562
BZX84-C12
6563
BZX84-C12
6564
BZX84-C12
12
3
7850
4
5
2
LM339
2860
100n
2852
4n7
2855
560p
2853
560p
2854
4n7
7850
1
6
7
LM339
7850
13
10
11
LM339
7850
14
8
9
LM339
2850
10u
2851
10u
2858
10u
2581
10u
7550
BC818-40
1954
21
18
17
9
5
4
10
13
14
6
2
3
1
8
20
19
16
7
11
15
AudInL
AudInR
AudOutL
VideoIn
AudOutR
blanking
Swtching
VideoOut
blue
red/c
green
Circuit principal II / Family Board II – "Follow TV" / IN/OUT II (IO)