Pin
No.
Terminal
Name
I/O
Function
1
CHECK
I
Clock check signal input
2
LC72 DI
O PLL data signal output for tuner
unit (Z120)
3
LC72 CE
O Chip enable signal output for
tuner unit (Z120)
4
LC72 DI/
ST
I
IF count data/stereo detect
signal input from tuner unit
(Z120)
5
LC72 CK
O Clock signal output for tuner
unit (Z120)
6
ST/AV. /
6CH
-
Not used, open
7
NC
-
Not used, open
8
9
SEL
TUNER
-
Not used, open
10
SEL/
TUNER
-
Not used, connected to GND
11
AC IN
I
Power failure detect signal input
12
RESET
I
Reset signal input
13
X IN
I
Oscillator connected terminal
(32.7 kHz)
14
X OUT
O
15
V
SS
-
GND terminal
16
XC IN
I
Oscillator connected terminal (6
MHz)
17
XC OUT
O
18
V
DD
1
I
Power supply terminal
19
KEY TU
I
Operation key signal input
20
KEY
KARAOKE
I
Operation key signal input
21
SH REQ
O Request signal output from
Sound Processor
22 NC(GND)
-
Not used, connected to GND
23 VR JOGB
I
Volume control signal input
24 VR JOGA
25 MIC DET
I
Microphone connecting detect
signal input
(Not used, connected to V
DD
)
26
HP SW
I
Headphone connecting detect
signal input
27 RDS CLK
I
RDS clock signal input
28
RDS
DATA
I
RDS data signal input
29
REMO /
CON
I
Remote control signal input
15
