Mitsubishi Electric MXZ-2C30VA Service Manual page 113

8. Display P.C. board
MXZ-2C30VA MXZ-2C40VA
9. Interface P.C. board
MXZ-2C30VA MXZ-2C40VA
OBH584E
MXZ-2C52VA
To inverter P.C. board (CN936)
5V GND
LED1 LED2
MXZ-2C52VA
To inverter P.C. board (CN938)
Serial signal
room A
Serial signal
room B
SW1
5V GND
230V AC
113