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