JVC RX-230RBK - Advanced Component Operation; Synchronized Recording; Automatic Power Standby;On

RX-230RBK
M SAA6579(1C202) Radio data system demodulator
1.Terminal Layout
QUAL
RDDA
Vref
MUX
VDDA
GND
CIN
SCOUT
3.Block Diagram
ANTI-
ALIASING
FILTER
CLOCKED
COMPARATOR
REFERENCE
VOLTAGE
1-20
2.Pin Function
Symbol Function
Na
RDCL QUAL | | Non connection
157
RDDA
Ea
RDS
data
output
OSCO | 3 | wet | 0 | Reference voltage output
Osc
|
4
|
mux
fi
|
Multiplex
signal
input
VDD
VDDA
|
|
+5Vsupply
voltage
for
analog
| 7 | cm fia | Subcarrier input to comparator
GND
78 | SCOUT Rey Subcarrier outputof reconstruction filter
GND
| 9 {| cno | - | Ground for digital part(OV)
| 10 | ano | - | Ground for digital part(OV)
Pi [ eno [= [ecnttrsitsenen
12] von | - | +5Vsupply voitage fordigital part
OSC1 fais Oscilator input
OSCO | <>] Oscilator OUTput
RDCL_ | © | RDS clock output
57kHz OSCILLATOR
BANDPASS ae errr AND QUALITY BIT
(8th ORDER) DIVIDER GENETATOR
COSTAS LOOP BIPHASE
VARRIABLE AND SYMBOL
FIXWD DIVIDER DECODER
DIFFERENTIAL
DECODER
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
AND
SYNC
id
i