Hello, i am having trouble finding pinout for mv1fz yamaha 2610, in particular i cannot understand where ym2610 pin 16 and 17 are headed, if i follow the trace they are headed to cnvcc1 connector but none of them is connected to any pin and if i look at jamma nation-x ym2610 to cart pinout ym2610 (16) is headed to a49 but on my board a49 is connected to ym2610 (23)