Block Circuit Diagram - Grundig ST 55 - 750 Text Servicehandbuch

Schaltungsbeschreibung / Circuit Description
Blockschaltbild

Block Circuit Diagram

4 7
I2C-Bus
38 8
6
F32021
5,5MHz
FBAS
13
CCVS
17
FBAS
FBAS/CINCH
CCVS
CCVS/CINCH
11
VIDEO
optional
CT46006...08
8
15
16
RGB
17
19
Blank
CT46020
2 - 10
Tuner
2 9/10
OFW F32005
3 4 48/49
47
AGC
IC34015
Demodulator
FBAS/Y
CCVS/Y
Y/C
Y B-Y
Matrix
RGB
RGB
10
35 23...25 21
Q172
CHROMA
CT46040
CT46025
AV-Audio
CD46026
RGB
7,11,15 16
15
AV
20 8 1
19
CD46021
21
11
MICROCOMPUTER IC80000
ZF-Verstärker
IF-Amplifier
7
FBAS
11/12
F2260
13
PAL-NTSC-Decoder
R-Y
TDA8374
Kontrast/Contrast
Helligkeit/Brightness
Farbkontrast/Colour Contrast
Sperrpunktregelung/Cut-off Control
RGB OSD
2 6
3
1617 18
Ton-ZF
Audio-IF
15
14
3/4
11/12
5/6 13/14
Cinch-
AV-Audio
Audio
6
SECAM
IDENT
33
1
38
16
Secam-
15
Decoder
9
10
Delay
Line
29 B-Y
14
R-Y 16
30
SSC
41
5
11 12
32
31
40
T52005
Horizontaltrigger
Triggering Horizontal
R54001
A
Strahlstrom-
meßwiderstand/
Beam Current
Measurement
Resistor
GRUNDIG Service
CUC 7350
IC40010
Audio
+B