Mitsubishi Electric MXZ-2B30VA Service Manual page 88

6. Display P.C. board
MXZ-2B30VA MXZ-2B40VA
7. Interface P.C. board
MXZ-2B30VA MXZ-2B40VA
OBH554D
MXZ-2B52VA
To inverter P.C. board (CN936)
5V GND
LED1 LED2
MXZ-2B52VA
To inverter P.C. board (CN938)
Serial signal
room A
Serial signal
room B
SW1
5V GND
230V AC
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