JVC NX-MD1R Service Manual page 68

NX-MD1R/NX-MD1
LA72723(IC3): RDS demodulation
1. Terminal layout
VREF 1
MPXIN 2
Vdda 3
Vssa 4
FLOUT 5
CIN 6
TES 7
XOUT 8
2. Block Diagram
+5V
Vdda
REFERENCE
VOLTAGE
Vssa
MPXIN
ANTI ALIASING
FILTER
TEST
TEST
1-68
RDS-ID/READY
16
RDCL
15
RDDA
14
RST
13
MODE
12
Vddd
11
Vssd
10
XIN
9
FLOUT CIN
VREF
+
-
VREF
57kHz
BPF
(SCF)
SMOOTHING
FILTER
CLK(4.332MHz)
OSC
XOUT
XIN
CLOCK
RECOVERY
PLL
(1187.5Hz)
(57kHz)
DATA
DECODER
RAM
(128-bits)
RDS-ID
DETECT
+5V
Vddd
Vssd
RDDA
RDCL
MODE
RST
RDS-ID/
READY