Block Diagram - Grundig WF70-3020 Service Manual

MICON W/T.TEXT
IC101 OECF003A
LED
9
21
25
AT + 5V
31
39
1
RECEIVER
51
X101
4MHz
50
NICAM/DOLBY
IC902 MSP3411G
71
18.4MHz
72
BBE
IC901 NJM2150AM
AUDIO L/R
STEREO SOUND AMP
IC1001 AN5277
E-1
TU001
TUWRF4EK-776F2
I2C DATA/CLK 4
I2C DATA/CLK
5
7 9
30V
P.CON + 5V
19
I2C DATA/CLK
CHROMA
20 I2C DATA/CLK IC201 STV2247C
OSD (TEXT)
15
34
OSD (TEXT)
16 35
OSD (TEXT)
17 36
OSD (TEXT)
18 37
34
CVBS TXT
29
33
40
X601
4.43MHz
P.CON + 5V
P.CON + 8V
SIF/AUDIO
25 26 27 28 20 22 18
67
2
I2C DATA/CLK
3
I2C DATA/CLK
39
P.CON + 8V
11
12
13
P.CON + 5V
J701
65 21PIN x 2
66
56
AUDIO1 IN L/R
57
53 AUDIO2 IN L/R
54
28 27
AUDIO L/R
20 1
AT + 5V
12 P.CON + 8V
P.CON + 5V
P.CON + 12V
SOUND + B
14 7
2 5
SOUND L
12
SPEAKER
10W 8ohm x 2
SOUND R
7
10
SOUND + 8V

BLOCK DIAGRAM

1 11
VIF
V.OUT
SIF
IC401 STV9306
AGC
3
I2C DATA/
11
8 6 7 1 2 CLK
V.OUT
47
5
51 I2C DATA/CLK
52
I2C DATA/CLK
H.OUT
H.OUT
48
30
31
32
13 14
CRT
P.CON + 25V
SVM
+ B
T501
SW TRANS
H + B
6
P.CON + 25V
V.OUT
DY
9
H.OUT
3
FBT
DAF
180V
DAF
P.CON + 25V
SCREEN/FOCUS12
180V
RGB/SCREEN/FOCUS12
AC230~240V
50Hz
+ B
CRT
SVM
E-2