Inhaltsverzeichnis
Werbung
PA 6
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
IC-Innenbeschaltungen / IC Block Diagrams
CXA 1598 S
22
21
20
19
18
PARAMETER
CONTROL
1
2
3
4
5
CXA 1550 P
REC
IN 1
GND
PB IN 1
IREF
MODE SW
16
15
14
13
ATT1
ATT2
ATT3
ATT3
ATT2
ATT1
1
2
3
4
REC
V
PB
V
/2
CC
CC
IN 2
IN 2
LA 1837 M
30
29
28
27
REG
AM
AM
ALC
AM
MIX
RF.AMP
OSC
BUFF
AGC
AM IF
SD
COMP
AM
S-METER
FM
AM/FM
S-CURVE
S-METER
IF-BUFF
FM
AM IF
DET
1
2
3
4
GRUNDIG Service
17
16
15
14
13
12
V
CC
BIAS
REC EQ
REC EQ
VGS
V
EE
6
7
8
9
10
11
LINE
REC
OUT 1
TC 1
OUT 1
12
11
10
9
SC
DET
SC
DET
5
6
7
8
NR SW
LINE
TC 2
REC
OUT 2
OUT 2
26
25
24
23
22
P-DET
DET
TUNING
STEREO
DRIVE
DRIVE
GND
GND
5
6
7
8
9
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
LC 7218 M
REFERENCE
XIN
1
DIVIDER
XOUT
24
1
FMIN
19
2
AMIN
18
CE
2
SHIFT REGISTER
DI
3
CL
4
DO
5
9
10
OUT0
OUT1
SAA 6579 T
QUAL
RDDA
VREF
1
2
3
DIFFERENTIAL
DECODER
BIPHASE
SYMBOL
DECODER
QUALITY-
BIT
GENERATOR
CLOCK
REGENERATION
AND SYNC
16
15
14
RDCL
T57
OSCO
21
20
19
18
17
3rd or 5th
DECODER
ANTI-BIRDIE
MUTE
STEREO
ø
SW
VCO
FF
FF
FF
π
19k ∠ –
19k ∠ Θ
304kHz
38k
2
10
11
12
13
14
SYC
6
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BIT
12 BIT PROGRAMMABLE
DIVIDER
UNIVERSAL
COUNTER
LATCH
11
12
13
14
17
7
8
OUT2
OUT3
OUT4 OUT5 OUT6
IN0
IN1
MUX
VDDA
VSSA
CIN
4
5
6
7
VP1
REFERENZ
VOLTAGE
ANTI
57KHZ
ALIASING
BANDPASS
FILTER
(8th ORDER)
COSTAS LOOP
CLOCKED
VARIABLE AND
COMPARATOR
FIXED DIVIDER
OSZILLATOR
DEVIDER
SELEKTOR SWITCH
13
12
11
10
OSCI
VDDD
VSSD
TEST
16
PILOT
DET
15
21
PD1
22
PD2
16
HCTR
15
LCTR
20
V
DD
23
Vss
SCOUT
8
RECONSTRUK.
FILTER
TESTLOGIC AND
OUTPUT
9
TSTLD
3 - 1
Werbung
Inhaltsverzeichnis
