Ref diybanter pcb

The BD3816K1 is mounted on a vertical pcb which plugs into 2 connectors on the main board. 1 connector supplies + and - DC along with data, clk, mute etc, the other connector has 5 channel audio outputs to main board. A few 8 pin smd op amps lie in .... Cannot find the transistors you reference" The unit i had was made in China. Did you locate Q451, 452 on the schematic? Jango Yeah, I meant the Yamaha U, C model intended for the American market. They're all made in China. ...