I power up the pcb and get this screen while that chip is burning like hell. It’s the security chip/ mask rom yeah? I read it on one of your repairsHi, yes if the 'GXC-04' is really bad you can use my replacement (it replaces the other Toaplan MCUs as well).Contact me in PM.Thanks.
The GXC-04 is a TMS320C010 DSP co-processor in disguise with internal MASK ROM, it's used as protection.I power up the pcb and get this screen while that chip is burning like hell. It’s the security chip/ mask rom yeah? I read it on one of your repairs
Pmed you
Yes, this was my assumption since Demon's World do use the 'GXC-04' MCU.This was sold to me as a zero wing, I should have checked the roms right away since now I can do that ; it comes up as demons world