Technics SU-V300M2

Pin
No.
Terminal
Name
I/O Function
1 P17/
SRDY
O Relay drive signal output
2 P16/CLK -
Remote control signal output /
(Not used, open)
3 P15/
SOUT
O LED (PHONO) drive signal
output
4 P14/SIN O LED (TUNER) drive signal
output
5 P13/T1 O LED (CD) drive signal output
6 P12/T0 O LED (AUX) drive signal output
7 P11 O LED (TAPE2) drive signal output
8 P10 O LED (TAPE1 MONITOR) drive
signal output
9 P23/IN3 -
Motor (volume control) drive
signal output / (Not used, open)
10 P22/IN2
11 P21/IN1 I Input selector switch signal
input
12 P20/IN0 I Speaker A, B select switch
signal input
13 VREF I Reference voltage input
14 X IN I
Crystal oscillator connected
terminal / (F=4 MHz)
15 X OUT O
16
V
SS
- GND
14