JVC RX-7000RBK Service Manual page 25

SAA6588 (IC191) : RDS Detector
1.Terminal Layout
MRO 1 20
NC 2 19
GND 3 18
OSCO 4 17
OSCI 5 16
VSSD 6 15
VDDD 7 14
DAVN 8 13
SDA 9 12
SCL 10 11
3.Block Diagram
SCOUT
57 kHz
16
MPX
8th ORDER
BAND-PASS
13
AFIN
PAUSE
DETECTOR
LVIN
20
POWER
VDDA 14
SUPPLY
AND RESET
15
VSSA
2.Pin Function
Pin
Symbol
No.
NC
1
MRO
2
NC
CIN
3 GND
SCOUT
4
OSCO
Vref
5
OSCI
6
MPX VSSD
7
VDDD
VSSA
8
DAVN
VDDA
9
SDA
NC
10
SCL
11 NC
GND
12
GND
NC
13
NC
14 VDDA
15
VSSA
16
MPX
17
Vref
18
SCOUT
19
CIN
20
NC
CIN
18 19
CLOCK
COMPARATOR
MULTI-PATH
DETECTOR
TEST
CONTROL
17
3
Vref
TCON
I/O
O Multi-path rectifier output
- Non connect
I Test control input pin
O Oscillator output
I Oscillator input
- Digital ground (0V)
- Digital power supply (5V)
O Data available output (active LOW)
I/O IC-bus serial data I/O
I IC-bus serial clock input
- Non connect
- Connect to ground
- Non connect
- Analog power supply (5V)
- Connect to ground
I Multiplex input signal
O Reference voltage output
O Band-pass filter output
O Comparator output
I Level input
RDS/RDBS
DEMODULATOR
SIGNAL QUALITY
DETECTOR
OSCILLATOR
AND CLOCK
1 4
5
MRO
OSCI OSCO
RX-7000RBK
Function
VDDD
7
DAVN
8
RDS/RDBS
DECODER
PSWN
11
2
MPTH
INTERFACE
REGISTER
9
SDA
IC-BUS SLAVE
10
SCL
TRANSCEIVER
12
6
VSSD
MAD
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