S T K 407-240 (IC 3402: A MP A S S Y ) 3-c hannel .
ETC
STK407-240 - 3-channel AF Power Amplifier
S T K 407-240 (IC 3402: A MP A S S Y ) 3-c hannel A F P ower A mplifier B lock Diagram HT Z-7, HT Z-C 7, HT Z-S W7, HT Z-S T 7 http://www.DataSheet4.