The second output terminal 131 of {TAIL ~ the microprocessor} 13 is connected to {HEAD ~ a base electrode} of the sixth transistor 144 via a diode  
The second output terminal 131 of { TAIL ~ the microprocessor } 13 is connected to { HEAD ~ a base electrode } of the sixth transistor 144 via a diode
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH