Grundig ST 55 - 750 User Manual
CUC 7350
Schaltungsbeschreibung / Circuit Description
2 - 10
GRUNDIG Service
Blockschaltbild
Block Circuit Diagram
Block Circuit Diagram
FBAS/Y
CCVS/Y
CCVS/Y
Matrix
PAL-NTSC-Decoder
FBAS
CCVS
CCVS
FBAS/CINCH
CCVS/CINCH
CCVS/CINCH
RGB
RGB
RGB
Y
R-Y
B-Y
Kontrast/Contrast
Helligkeit/Brightness
Farbkontrast/Colour Contrast
Sperrpunktregelung/Cut-off Control
Helligkeit/Brightness
Farbkontrast/Colour Contrast
Sperrpunktregelung/Cut-off Control
CT46040
CD46021
V
ideotext
IC46000
5,5MHz
Blank
20
16
U
DA
T
A
PERI
19
CT962
R54001
+B
RGB
48/49
9/10
Tuner
AGC
7
2
Demodulator
Mikrocomputer
IC80000
4
38
F32021
21
23…25
AV
MICROCOMPUTER IC80000
13
17
8
19
15
17
Zeilentrafo
Line T
ransformer
IC34015
8
6
16
1
3
47
8
zur Zeilenendstufe
to Line Output Stage
40
Horizontaltrigger
Triggering Horizontal
Triggering Horizontal
T52005
A
OFW F32005
14
29
16
30
CIC34010
B-Y
R-Y
R-Y
41
SSC
5
32
31
31
12
11
IC34005
13
FBAS
10
9
15
16
1
SECAM
IDENT
IDENT
13/14
ZF-Verstärker
IF-Amplifier
IF-Amplifier
F2260
33
38
38
FBAS-Signal
Secam-
Decoder
Decoder
Delay
Line
6
2
AV-Audio
VQ
AV-Audio
Strahlstrom-
meßwiderstand/
Beam Current
Measurement
Resistor
meßwiderstand/
Beam Current
Measurement
Resistor
TDA8374
3
4
Q172
35
11
IC40010
7,11,15
21
CT46025
CT46020
U
DA
T
A
-P
U
DA
T
A
RGB OSD
CT46006...08
RGB
CD80017...019
1617 18
CD46026
Audio
optional
11/12
I2C-Bus
Ton-ZF
Audio-IF
Audio-IF
3/4
14
15
7
11/12
6
5/6
Cinch-
Audio
Audio
FBAS
CCVS
CCVS
10
11
15
Y/C
VIDEO
CHROMA