31CX-LEM550IC302 BD3881FV28 REC1O27 REC1N26 REC2N25 REC2O24 INC223 INC122 INB221 INB120 INA219 INA118 OUT117 BAS116 OUT215 BAS2BASS BASS13CONT 14VEE12VDD11TRE210TRE1TREBLETREBLE7VOLIN1 8VOLIN2 9GNDVOLUMEVOLUME6PB1OLOGICCONTROL5PB2O4PB2N1PB1N 2PB1P 3PB2P– MAIN Board –