Inhaltsverzeichnis
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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
mspannung 2,0V - 6,0V
Voltage 2.0V - 6.0V
28
LOC-OSC/10
21
LOC-OSC
AM/FM-SW
LOC-OSC
RF-NF-L
201
LOC-OSC/10
202
RF-NF-R
200
STEREO-ANZ
Q-10.25MHZ
FMP714
CR714A
5V0
R200
+G
1K8
47K
-MONO/ST
CT706A
BC848C
14
N
FMP217
MPX
6
4
6
8
FM-ZF
CR106
1K2
R108
+S
PIN
10R
FELDST
5V0
+G
MULTIPATH
AM-SEEK-SW
5V0
+G
FMP617
AM-ZF
8
FMP16
CC718A
CR715A
6K8
220P
CR704A
10K
CT707A
BC848C
CR721A
10K
Spannungen am IC TUA 4300 (CIC 01)
IC
FM
AM
IC
FM
AM
IC
FM
PIN
PIN
1
4V1
0V
19
5V2
5V0
37
4V7
2
0V1
0V
20
0V
6V7
38
2V2
3
3V5
3V5
21
0V2
1V6
39
2V2
4
0V
0V1
22
4V6
4V6
40
8V4
5
0V
0V
23
4V6
4V6
41
8V1
6
4V7
0V
24
3V3
3V3
42
0V6
7
4V7
0V
25
8V4
8V4
43
2V0
8
0V
3V5
26
0V
0V
44
4V4
9
0V
3V5
27
8V5
8V5
45
3V0
10
0V
3V5
28
8V5
8V5
46
3V0
11
8V6
8V5
29
8V5
8V5
47
3V0
12
8V6
8V5
30
8V5
8V5
48
3V0
13
0V4
2V2
31
0V
6V9
49
3V3
14
0V
1V8
32
6V2
0V
50
3V0
15
0V
1V7
33
0V3
2V3
51
0V
16
0V
4V0
34
0V3
2V3
52
0V5
17
0V
4V0
35
2V3
0V3
53
2V9
18
5V2
5V0
36
2V3
0V3
54
2V5
3V4
FM_IN
24
3V4
CC702
19
HFREF
3V4
22N
25
AM_IN
2V3
Q701
9
OSCIN
10,25MHZ
2V3
OSCOUT
10
ADDR
20
SCL
12
SDA
13
IF_AM
14
IF_FM
15
3V4
3V4
FMP106
AM
IC
FM
AM
PIN
4V7
55
4V3
5V1
2V2
56
3V0
3V0
2V2
57
2V9
2V9
8V2
58
4V7
2V7
8V1
59
0V
0V
1V6
60
4V7
0V
0V
61
4V7
0V
4V8
62
8V1
8V2
3V0
63
0V4
0V8
3V0
64
3V0
3V0
3V0
3V0
3V2
2V9
0V
0V
2V9
2V5
SWITCH
PRECOUNTER
5 BIT PROG.CNT
AM/FM
:32/33
SWITCH
SWITCH
11 BIT PROG.CNT
SWM/DIR
SWM/DIR
REF.OSCILLATOR
16 BIT PROG.CNT
I2C BUS
INTERFACE
14 BIT PROG.CNT
TIMER
CONTROL
11 - 21 BIT PROG.CNT
FMP726
GRUNDIG Service
SEAT 3301
AM-FM PLL
SSTOP
16
FM
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