tda 7492 synclk

Have a 3116 fed by a 1Mhz xtal osc, and it sounds way better than with the internal osc.
Have a 7492 board, and will be doing same with it. The 3116 pinout with the clock pin
on an edge is much easier to mod that way. Some 7492 boards have a pad, others don't.

More later.