Background:
Got a New Astro Cab that has been running MAME (via ArcadeVGA/JPAC). I recently acquired a Naomi 2 setup for more modern games. I decided to get both of them installed at the same time, and use 2 switchers to select what system should run (DB25 2-way switch for controls, and DB15 2-way switch for video)
I purchased harness and finger board from JAMMA boards, and wired it all up. For the most part it works GREAT! I can now select what system I want to control/display, and I managed to actually get a full MAME setup + Naomi 2 setup (2 power supplies, and all!) inside a NAC!
To accomplish this I made the following adapters:
- 2 * JAMMA->DB25/DB15 (between Naomi and switchers + between JPAC and switchers)
- 1 JAMMA edge->DB25/DB15 (between NAC harness and switchers)
I got only 1 small problem, and I'm not sure what I can do, and figured maybe someone can point me in the right direction:
When I have: JPAC->NAC JAMMA harness, the video is nice and clean.
When I have :
JPAC->JAMMA Harness->DB15 -> high quality shielded 6' VGA cable -> DB15 -> JAMMA fingerboard-> NAC JAMMA harness
The video is nice, but in Windows (in 480i) I can almost see a faint shadow around the mouse cursor which suggests noise being pickup somewhere. When playing games, one doesn't see/know it's there .. but it kills me that I'm picking up noise somewhere, and not sure where!
I know the JPAC amplifies the signal, so it should be nice and clean. I made the wire harness/fingerboard wires as short as possible (~2") before they enter the DB15 on both . Inside the DB15, each has R,G,B,composite sync and GND is connected to GND + GND for R,G,B and grounded to actual plug.
Any other suggestions? Has anyone tried something similar?
Got a New Astro Cab that has been running MAME (via ArcadeVGA/JPAC). I recently acquired a Naomi 2 setup for more modern games. I decided to get both of them installed at the same time, and use 2 switchers to select what system should run (DB25 2-way switch for controls, and DB15 2-way switch for video)
I purchased harness and finger board from JAMMA boards, and wired it all up. For the most part it works GREAT! I can now select what system I want to control/display, and I managed to actually get a full MAME setup + Naomi 2 setup (2 power supplies, and all!) inside a NAC!
To accomplish this I made the following adapters:
- 2 * JAMMA->DB25/DB15 (between Naomi and switchers + between JPAC and switchers)
- 1 JAMMA edge->DB25/DB15 (between NAC harness and switchers)
I got only 1 small problem, and I'm not sure what I can do, and figured maybe someone can point me in the right direction:
When I have: JPAC->NAC JAMMA harness, the video is nice and clean.
When I have :
JPAC->JAMMA Harness->DB15 -> high quality shielded 6' VGA cable -> DB15 -> JAMMA fingerboard-> NAC JAMMA harness
The video is nice, but in Windows (in 480i) I can almost see a faint shadow around the mouse cursor which suggests noise being pickup somewhere. When playing games, one doesn't see/know it's there .. but it kills me that I'm picking up noise somewhere, and not sure where!
I know the JPAC amplifies the signal, so it should be nice and clean. I made the wire harness/fingerboard wires as short as possible (~2") before they enter the DB15 on both . Inside the DB15, each has R,G,B,composite sync and GND is connected to GND + GND for R,G,B and grounded to actual plug.
Any other suggestions? Has anyone tried something similar?