说明：  步步高复读机电路图与原理图,自己做复读机维修复读机必看源码,可直接制板出成品,虽然复读机在98那个年代是个火暴的东西,但是现在社会发展太快!
(Backgammon the repeater circuit diagram and schematic, video machines at that time in the 98 is hot stuff, but social development is too fast!)