Specifications

Each sensor has a built-in signal processing circuit that outputs 8-bit serial
data to Original Size Detecting Board UN2.
PSD
Reg
LED1
LED2
LED
Drive
Circuit
Original
Vcc(su)
UN2
E P-ROM
2
Master
CPU
PWB-A
Original
Size
Sensor Control
Microprocessor
Signal
Processing
Circuit
4
3
1
5
2
GND
1075M159CB
sig
Original Size
Detecting
Sensor
M-57