Zaccaria Astro Wars arcade repair. An unusual arcade pcb..
This is a repair of an Astro Wars CPU board made by the italian company Zacccaria. The board is quite unusual in many respects and it also had an unusual fault (two wrong IC soldered in). I also show a simple circuit to visualize the inverted (negative) color video output on a normal RGB monitor.
Zaccaria arcade information and repair website
http://www.zzzaccaria.com/zzz/welcome.html
Zaccaria Astro Wars real cabinet play
https://www.youtube.com/watch?v=eSrQFBMeDlM
Timeline:
00:00 - Welcome
00:46 - Physical inspection
02:31 - EPROMs check & MAME
04:31 - Video and power wiring
06:40 - S2650 CPU checks
08:50 - The wrong ICs
12:32 - Game booting & checks
16:07 - Sound PCB check
17:35 - RGB inverter circuit
Видео Zaccaria Astro Wars arcade repair. An unusual arcade pcb.. канала iz8dwf
Zaccaria arcade information and repair website
http://www.zzzaccaria.com/zzz/welcome.html
Zaccaria Astro Wars real cabinet play
https://www.youtube.com/watch?v=eSrQFBMeDlM
Timeline:
00:00 - Welcome
00:46 - Physical inspection
02:31 - EPROMs check & MAME
04:31 - Video and power wiring
06:40 - S2650 CPU checks
08:50 - The wrong ICs
12:32 - Game booting & checks
16:07 - Sound PCB check
17:35 - RGB inverter circuit
Видео Zaccaria Astro Wars arcade repair. An unusual arcade pcb.. канала iz8dwf
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