JVC RX-230RBK - RDS Radio Data System; RDS Information Display

RX-230RBK
@ MN171202JSC(IC401) System controllor
1. Terminal Layout
VDD
[4
64
]OSC2
KIO}
2
\
y
63
|OSC1
KI1|
3
62
|vSs
KI2|
4
61
|
x2
KI3|
5
60
|X1
KOO
|
6
59
|T
MUTE
ec
hey
Many
KO1|
7
58
|AC
POWER
KO2
|
8
57
|S.MUTE
KO3,D3
|
9
56
|
SURROUND
KIO
Kit
Kl2
KI3
KO4,D4
|
10
55
|
STANDBY
om
a
if
By
leeesaie
KOO
POWER
cD
PHONO
TAPE1
D7}
13
52
|DCSIN
D8}
14
51
|
(DO)
KO1
PRESET+
TUNING+
FM
AM
VOL
LED
|
15
50
|
(D1)
VOL
DWN
|
47
48
|CE(PLL)
KO2
PRESET-
TUNING-
MUHE
MEMORY
ee
18
47
|
TUNEDP
ea
19
46
|
STEREOO
TAPE2
S1
|
20
45
|
(RDS
0
START)
KO3
SURROUND!
+
souND
21
44
|RMIN
i
$3
|
59
43
|
RESET
EON
TA/NEW.
PTY
Baas
‘eee
ee
KO4
|
EON
ON/OFF)
“OG
DISPLAY
|
onoer
$5
|
24
41
|RDSDATA
S6
|
25
40
|
RDSCLK
S7|
26
39
|
INH
$8
|
27
38
|
DATA
S9|
28
37
|STBI
S10]
29
36
|
CLK
$11
|
30
35
$12}
31
34
|S15
$13
|
32
33
3.Description
in
|
Symbol
|
1/0
Function
m
|
Symbol
|
/O
Function
1
-
_|Power
suplly
(+5V)
64
|OSC2
I/O
|Oscillation
terminal
2
|
_|Key
matrex
input
OSC1
/O
|Oscillation
terminal
3
|
_|Key
matrix
input
62_|VSS
-_|Connected
to
GND
4
|
__|Key
matrix
input
61
[x2
-_|Non
connection
5
|__|Key
matrix
input
60_|X1
-_
[Connected
to
GND
6
OQ
[Grid
control/Key
matrix
output
59
|T
MUTE
O
[Tuner
mute
control
signal
7
O_
{Grid
control/Key
matrix
output
58
|AC
POWER)
|
/Power
supply
relay
control
8
OQ
_|Grid
control/Key
matrix
output
57_|S.MUTE
O_|Source
mute
control
S)
OQ
_|Grid
control/Key
matrix
output
56
[SURROUND]
O
|Surround
control
10
OQ
_|Grid
control/Key
matrix
output
55
|STANDBY
|
O
[Standby
Ind.
control
im
OQ
{Grid
control/Key
matrix
output
54
|SORROUND|
|
(Surround
Ind.
control
12
O
[Grid
control
output
53
|DCSOUT
|
O
[Complink
control
13
|
O
|Grid
control
output
52_|DCSIN
|_|Complink
control
14
O_!Grid
control
output
51_|(DO)
O
[Tuner
data
output
15
|VOLLED
|
O
[Volume
Ind.control
50_|(D1)
_
|
|Tuner
data
input
16
[VOLUP
|
©
[Volume
control
49
|(CK)
O
{Clock
signal
output
17
(VOL
DOWN
O
[Volume
contro!
48
_|CE(PLL)
O
_|Chip
enable
output
18
|VPP
|
-
|Power
supply(-B)
47_|TUNED
|
[Tuning
signal
input
19
|SO
Q_|Segment
control
signal
46
STEREO
|
_|Stereo
signal
input
20
|S1
O_|Segment
control
signal
45_|RDSD
START;
|
/D.start
signal
from
LC7073
[21
|S2
Q_|Segment
control
signal
44
|RMIN
|_|Remotcontrol
signal
input
22
(83
OQ
[Segment
control
signal
43
|RESET
|_|Reset
signal
input
23
|S4
O_|Segment
control
signal
42
|RDSRESET|
O
/Reset
signal
for
LC7073
24
|S5
|O
[Segment
control
signal
41
i|RDSDATA
|_
(Data
signal
from
LC7073
25
|S6
O_|Segment
control
signal
40
|RDSCLK
|_|Clock
signal
from
LC7073
26
|S7
OQ
_|Segment
control
signal
39_JINH
|_|Inhibit
signalinput
27
|S8
OQ
_|Segment
control
signal
38_|DATA
|_|Data
output
for
IC321
28
|S9
OQ
_|Segment
control
signal
37_|STB1
OQ
|Strobe
signal
for
IC321
29
|S10
©
_|Segment
control
signal
36_iCLK
O
Clock
signal
for
1C321
|
30_|S11
Q_|Segment
control
signal
35
=
[31
(S12
Q
[Segment
control
signal
34
|$15
|
O
|Segment
control
signal
32_|$13
OQ
_|Segment
control
signal
33
|S16
O_|Segment
control
signal
1-16