unfortunatly i can't use a scope right now and an external psu to make more test, for now i just want to know the flow on the components order just logically, maybe i could detect witch area is defected, next attached some little info i made.
Could you explain what are this 4 component (2x Fairchild CD4093BC Quad 2-Input NAND Schmitt Trigger / 2x MC14013BCP Dual Type D Flip Flop) used for and the order, location in the schematic ? is that Motorola use as logic ic right ? i'm a little bit confused...
![Huh? ???](https://www.eevblog.com/forum/Smileys/default/xhuh.gif.pagespeed.ic.6Nvt7O8a11.png)
each of those maybe are used in combination for each channel line pgm (and aux) 1 motorola + 1 fairchild and the same only for cue line.... ?