Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 54…, GV 56…, SE 5106…
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 54…, GV 56…, SE 5106…
4 - 49
GRUNDIG Service
4 - 50
GRUNDIG Service
Chassisplatte – OSD-Baustein / Family Board – OSD Module (OOSDG / OS)
CVBS
CVBS
STROBE
CLOCK
DATA
MIX.SYN
V-SYNC
Y
220
3912
470K
3921
47
3932
Y
220
3937
0
3906
Y
220
3935
Y
220
3939
X
470K
3910
1K
3916
470
3930
22
3923
22
3920
Y
2%
130K
3929
Y
10K
3927
Y
470K
3925
Y
1K
3913
Y
4,7K
3915
Y
4,7K
3911
Y
470
3903
Y
390
3905
Y
47
3907
Y
220
3909
Y
1K
3908
1K
3917
470
3919
4,7K
3918
Y
47
3904
0
3936
Y
0
3902
+
1U/100V
2919
+
Y
1U/100V
2940
+
Y
100U/25V
2920
+
100U/25V
2908
LC74780M
VSS1
NC
VDD2
VDD1
VDD1
DISPLAY POS. COUNTER
MUX
MUX
MUX
DISPLAY RAM
CHARACTER GENERATOR
CHARACTER ROM
MIX
SYNCSEPARATOR
SYNC-AND BACKGR. GEN.
CHECK
OUT
SYNC-PROCESSING
PORT 1
PORT 0
CONTROL-REGISTERS
RESET
BUS-INTERFACE
0SCILLATOR
0SCILLATOR
21
22
23
24
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
Y
7900
7
8
1
2
3
4
5
6
1545
Y
33N
2902
Y
33N
2930
33N
2923
390P
2917
Y
100P
2925
Y
2,2N
2929
Y
0,1U
2901
Y
120P
2909
68P
N220
Y 2943
Y
0,1U
2903
Y
22P
2933
Y
39P
2935
68P
N220
Y 2945
BC848B
7918
BC848B
7930
Y
BC848B
7915
Y
BC848B
7910
Y
BC848B
7908
Y
BC858B
7905
BC858B
7917
Y
10UH
5909
Y
4,7UH
5903
Y
4,7UH
5901
2
1
3
6
7
Y
311245550021
5945
Phase
BA7046F
VDD
VSS
Oszillator
Horizontal
separation
V-sync
comparator
separation
sync
Composite
7
8
1
5
4
3
2
6
7920
Y
17,734475MHZ
1070
Y
4,5-20P
2931
F
Y
0,15U
2927
1
1
+5VAN
+5VAN
+5VAN
+5VAN
+5VAN
+5VFD
+5VFD
J
1070 D8
1545 B10
2901 C2
2902 D2
2903 D3
2908 A5
2909 F3
2917 I2
2919 I3
2920 H4
2923 H5
2925 J7
2927 I7
2929 I8
2930 B6
2931 D9
2933 D9
2935 D8
2940 E8
2943 F9
2945 F9
3902 C3
3903 D2
3904 B4
3905 E2
3906 A5
3907 E2
3908 B3
3909 E4
3910 F2
3911 G2
3912 E4
3913 G2
3915 G2
3916 J4
3917 H2
3918 I4
3919 I2
3920 H6
3921 I3
3923 H6
3925 I7
3927 I7
3929 J7
3930 C7
3932 B7
3935 C8
3936 F11
3937 C8
3939 C8
5901 C2
5903 C3
5909 F3
5945 F8
7900 F6
7905 E2
7908 A3
7910 G3
7915 G3
7917 I2
7918 J4
7920 I6
7930 B7
I
H
G
F
E
D
C
B
A
J
I
H
G
F
E
D
C
B
A
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
M
A
260495
11
10
OSD-LC
PCB FAMILY BOARD
1->1
9546
INPUT/OUTPUT, IO
A
A
B
All OTHER
VERSION
GV 540HiFi
GV 545EURO
GV 565EURO
GV 5400HiFi
GV 5400EURO
GV 540GB
GV 540NIC
GV 5400NIC
SECAM
–
B
OSD
–
–
3902
–
–
A
OSD
OSD
OS3
OS2
OS1
OSD-SC
PCB FAMILY BOARD, IO
PCB OSD BOARD, OS
OSD
OSD
PB/EE