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MICOM function and circuit description
5-2-10. Communication circuit between main PCB and display PCB
This circuit provides communications between the MICOM on the main PCB and the MICOM of the display PCB.
If there is no communication between these boards for 30 seconds, a communication error occurs.
MAIN PCB
DISPLAY PCB
DC 12V
MICOM for
MAIN MICOM
LED control
GND
Send (Error status)
Receive (Notch status)
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