LTV-3001. I need some assistance with the Q12 transistor in the power supply of this tv. What

Question

I need some assistance with the Q12 transistor in the power supply of this tv. What type of transistor is this and I am not getting 16 volts for the audio amplifier. The transistor in the board is currently giving me 1.6 volts. MAN. Or can I get the schematic diagram for the power supply with chassis # AUKSD24V100. PCB 2005 03 02 Please help. Thanks.