Inhaltsverzeichnis
Werbung
STC 50
Signalplatte / Signal Board
+33V
12V_G
5V_G
+33V
12V_G
5V_G
+33V
12V_G
5V_G
+33V
12V_G
5V_G
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
+5V
M
4
8
7
TU51011
M
M
2
FSK-TUNER
1
9
10
CT51017
CR51104
BC848B
4,7k
CT51107
BC848B
CR51204
47k
CT51207
BC848B
CR51304
22k
M
CR51404
47k
BC848B
CT51307
+5V
16
15
VDD
1
AOUT
AIN0
14
2
VREF
AIN1
M
M
13
3
AGND
AIN2
CIC52017
12
4
EXT
AIN3
11
PCF8591
5
OSC
A0
M
10
6
SCL
A1
9
7
SDA
A2
VSS
8
M
CC52303
10n
16
11
15
13
14
6
12
CIC52107
7
HEF 4052 BT
M
8
4
2
3
5
1
10
9
M
STC 50
CR51804
330
+5V
3
M
5
CC53013
6
M
10n
14
8
15
VCC
5
SDA
CIC53017
7
6
TEST
SCL
X24C64
11
12
13
A0 A1 A2 VSS
1
2
3
4
M
CC53103
M
M
10n
8
VCC
5
M
CIC53107
SDA
7
6
TEST
SCL
xxxxx
A0 A1 A2 VSS
1
2
3
4
M
M
M
3 - 17
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
BU54011
1
+33V
+33V
14
M
2
+12V
+12V
15
3
5V_G
5V_G
16
4
12V_G
12V_G
17
5
+5V
+5V
18
M
6
U
STAND
BY
19
M
ZUM NETZTEIL
7
U
TO POWER SUPPLY
13V
LNB2
20
SEITE / PAGE 3-2
U
13V
LNB1
8
LNB2
POWER
21
U
22KHz
LNB1
9
22KHz
U
LNB2
22
U
13V
LNB3
10
U
13V
LNB4
23
U
22KHz
LNB3
11
U
22KHz
LNB4
24
LNB3
POWER
12
U
22kHz
DIS
25
LNB1
POWER
13
LNB4
POWER
BU54051
1
U
22KHz
LNB4
14
U
13V
LNB1
2
SDA
15
U
13V
LNB2
3
SCL
16
CS
4
U
STAND
BY
17
EX1
5
EX2
18
EX3
6
EX4
19
U
22KHz
LNB3
7
U
22KHz
LNB2
20
U
22KHz
LNB1
8
SCL-P
21
SDA-P
9
CR54014
M
22
M
10k
10
DATA
23
U
13V
LNB3
11
U
13V
LNB4
24
U
PORT
SW2
12
U
PORT
SW1
25
U
22kHz
DIS
13
+5V
+5V
+5V
17.01.00
3 - 18
Werbung
Inhaltsverzeichnis
