Sony TA-F419R Service Manual page 5

@ 1C700 System Controller (M50720-358SP)
X OUT
X IN
Pin Name
5V CHECK
S/D ON/OFF
PROTECT
CE
RESET
VDD
CNTR
AC DET
Cc
VOL UP
Ow ON AIO FP WN =
a oS
SIRCS IN
$1
1/0
Power supply (+5V) check.
Source direct ON/OFF control input.
Protection signal input.
Connected oscillator circuit.
Connected oscillator circuit.
Signal input for a return to normal position.
Reset signal input. ("L" : RESET)
+5 Volts power supply.
Ground.
AC power supply detection input.
VOL DOWN
MOTOR NORM
MOTOR RVS
Connected 0.1pF capacitor.
Volume control (up) signal output.
Volume control (down) signal output.
Motor (normal turn) signal output.
Motor (reverse turn) signal output.
' | Function selector positioning detection input (CD).
Serial data input (SIRCS).
Function selector positioning detection input (PHONO).
Function selector positioning detection input (TUNER).
Ground.
Ground.
I | Function selector positioning detection input (AUX).
I | Function selector positioning detection input (TAPE 1).
I | Function selector positioning detection input (TAPE 2).
I | Connected the resistor 22 kiloohms.
CLOCK O | Shift register for LED (CLK).
DATA O | Shift register for LED (DATA).
28 LINE MUTE O | Line mute signal output.
29 BRAKE RELEASE| O | Motor drive control signal output. (""L" : BRAKE RELEASE)
30 | PHONO I | Function control input for Phono mode.
31 TUNER I | Function control input for Tuner mode.
32 CD I | Function control input for CD mode.
33 AUX I | Function control input for AUX mode.
34 TAPE1 I | Function control input for Tape 1 mode.
35 TAPE2 I | Function control input for Tape 2 mode.
36 - — | Connected the resistor 22 kiloohms.
37 POWER ON/OFF I | Power ON/OFF control input.
38 KO I | Ground.
39 Kl I. | Ground.
40 K2 I | Microcomputer operation mode selection input.
41 K3 I | Microcomputer operation mode selection input.
I | Connected the resistor 22 kiloohms.