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PSX SNAC Adapter
Posted: Fri May 05, 2023 5:24 am
by Runningman8
Hi,
I've got the PSX snac adapter from https://misterfpga.co.uk/product/mister ... x-adapter/ and I can't get the composite port to work with my official gcun. Plugging in the RCA won't supply any sync at all. I've tried on multiple CRT's and always the same experience. Confirmed gun is working correctly and if using a CRT with component I can tap into the green rca and the gun works perfectly through snac but sync directly from crt. Obviously I can't do that on my preferred SCART Loewe CRT. All other PS1 controllers work through the snac, the composite port just won't deliver sync.
Has anyone else experienced this? Hopefully something simple I'm doing wrong.
Re: PSX SNAC Adapter
Posted: Sat May 06, 2023 6:23 am
by Runningman8
All fixed - for anyone wondering I had to put a jumper on the analogue board next the where the IO port is. My board didn't have pins installed so I soldered them in and placed a jumper on IO6. It now syncs through the composite port on the PSX snac adapter
Re: PSX SNAC Adapter
Posted: Tue May 09, 2023 5:23 pm
by venice
Could you provide a picture/photo from your mod?
Re: PSX SNAC Adapter
Posted: Tue May 09, 2023 9:31 pm
by Xbytez
venice wrote: ↑Tue May 09, 2023 5:23 pm
Could you provide a picture/photo from your mod?
I don't think it's a modification, pins have just been correctly populated on the IO board.
I assume it was probably an AliExpress IO board with the missing header pins, as this seems to be a common issue with AliExpress IO boards.
Re: PSX SNAC Adapter
Posted: Fri May 12, 2023 12:24 pm
by venice