Dual CT 441 RC Serviceanleitung Seite 9

V+
7 6
NE 542
V+
8
RC 4558
RC 4558
RC 4559
RC 4560
NE 542
0
3
GND
GND
14 13 12
11 10 9
LM 324
LM 324
TL 084
V+ 02
65-1
CK 2 R2 D2 S2
11. 13 12 11 13 9 8
1.
6
01
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BP04
PCA in 14 0-1
PCB .n 3
VCO
90
VDD Pln16
Vss pin 8
Inh 50
Seit Blas
Circa lt
Phase
Comparator 1
Phase
Comparator2
4046
Voltage
Controlled
Oscillator
(VCO
vss 0
Source Follower
2 PC1 out
13 PC 205t
1 PCPout
4 VCO out
11 81
12 R2
6 CIA
7 C1B
10 SFout
15 Zener
IF IN
16 16
17
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BDOI
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Ld
RAI8 c
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v.
Muting
Level
detector
Indicator
d iver
erlf — Ve
Quadrature
dernodubtor
0
13
14
sundby
»Ach
s . rdl
Detuning
detector
5 12
FM ON
VREF
10
NF
OUT
TDA 1576
3 0 7
9 8
18
AFC GND
MIX
IN
8
TDA 1678
13 10
11
0 0
Phase
Drain.
detect.
7658
76 .kHz
38 19 It i'H H :
38 kHz
Pilot
detect.
Schinitl
trieger
GND
0 0
12 14
HEF 4046
TDA 1576
9
TDA 1578