Accessor latest

[vegitto]

HI Guys,

Do you know how to get installation diagram of latest accessor, it doesnt really look like messiah 2 XS or old accessor, because there are 2 additional pin called Y and W and the voltage is 3V

they PCB layout it looks like messiah 2 XS/old accessor, but there is no crystal, and its dated "2003/04/01" (mentioned on the PCB)

there are 2 ICs, one of them like SCENIX (but its blank) there other one is 78P153

i was wondering if you can get the diagram for me....