6
R-SE9/SE9T
CIRCUIT DESCRIPTION
✣
E/T type only, other types unused.
The RDS PTY AF search always corresponds to a span search of 100kHz. Therefore, a span search of 50 KHz
cannot be performed.
Pin No.
Name
I/O
Description
Active
1~7
7G~1G
O
FL grid 7~1
—
8
VDD
—
Micro processor power supply (+5V)
—
9
E2PROM SCL
O
E2PROM control clock
—
10
E2PROM SDA
I/O
E2PROM control data
—
11
ENC C
—
Multi control encoder input A
—
12
ENC D
—
Multi control encoder input B
—
13
A CLASS ON
O
Power ON/OFF control signal
H : OFF
L : ON
14
SEL STB
O
Selector IC strobe
—
15
SEL/PLL CLK
O
SEL/PLL IC control clock
—
16
SEL/PLL DATA
O
SEL/PLL IC control data
—
17
RESET
I
Microprocessor reset
L : RESET ON
18
CE
I
AC OFF(MAIN POWER) detection Signal
L : AC OFF
19
PLL DO
O
IF count data
—
20
AVSS
—
A/D power SUPPLY (GND)
—
21
PLL CE
O
PLL chip enable control
L : CE
22
T MUTE
O
Tuner mute signal
L : MUTE ON
23
STEREO
I
Stereo signal detection
L : STEREO ON
24
SD
I
Synchronized signal detection
—
25
VOL SCL
O
Electric volume IC control clock
—
26
VOL SDA
O
Electric volume IC control data
—
27
LEVEL IN
I
Volume level input
—
✣
28
S.LEVEL(RDS)
I
Signal level
—
29
A VDD
—
A/D power supply (+5V)
—
30
A VREF
—
A/D reference v5V)
—
31, 32
OSC
—
32kHz oscillator
—
33
Vss
—
Microprocessor power supply (GND)
—
34, 35
OSC
—
4.19MHz oscillator
—
36
S.DATA
I/O
16bit system data
—
37
S.BUSY
I/O
16 bit system busy
H : BUSY
L : READY
38
H.P. MUTE
O
Head phones mute signal
L : ON
39
ATT
O
-6dB attenuator
H : OFF
L : ON
40
A MUTE
O
Audio mute signal
L : ON
41
HIGH RELAY
O
AMP high relay control
H : ON
L : OFF
42
LOW RELAY
O
AMP low relay control
H : ON
L : OFF
43
SP RELAY
O
Speaker relay control
H : ON
L : OFF
✣
44
CLK(RDS)
I
RDS clock
—
✣
45
DATA(RDS)
I
RDS data
—
46
PROTECTION
I
Protection detection
H : ON
L : OFF
47
REMOCON
I
Remote control input
—
48
IC
—
—
—
49
EX. BASS LED
O
EX. BASS LED
H : OFF
L : ON
50
FAN HI
O
Fan speed control signal
H : LOW
L : HIGH
51
FAN ON
O
Fan power supply control signal
H : OFF
L : ON
52
VDD
—
Microprocessor power supply (+5V)
—
53
ENCA
I
Volume encoder in put A
—
54
ENC B
I
Volume encoder input B
—
55
HEAD PHONE
I
Head phones signal detection
H : ON
L : OFF
56, 57
NC
O
—
—
58~60
KR2~KR0
I
KEY return 2~0
H : KEY ON
61~64
SEG16~13/KS3~0
O
FL Segment 6~13 /key scan 3~0
H : ON
65~70
SEG12~SEG7
O
FL Segment 12~7
H : ON
71
V load
—
FL drive power supply (-30V)
—
72~77
P6 SEG6~SEG1
O
FL Segment 6~1
H : ON
78
NC
O
—
—
79, 80
9G, 8G
O
FL grid 9, 8
—
3-2 Pin description
R-SE9/SE9T(K)
1P
98.4.25
14:46
y [ W
13