VideoGamePerfection.com | alamone | Activity https://videogameperfection.com/members/alamone/activity/ Activity feed for alamone. Wed, 29 Apr 2026 19:07:55 +0100 https://buddypress.org/?v= en-US 30 hourly 2 8d9146c8fdd577851f3dfffed36be53f alamone replied to the topic OSSC Pro - No Signal on AV3 RGBCS, but works fine on Retrotink 4K in the forum OSSC - Discussion and support https://videogameperfection.com/forums/topic/ossc-pro-no-signal-on-av3-rgbcs-but-works-fine-on-retrotink-4k/#post-66652 Tue, 22 Jul 2025 22:30:16 +0100 I got it working.  I had to switch the jumper on the HAS from 75Ohm to TTL level for sync.

]]> 1e6250269749ce596ac09552d0084737 alamone started the topic OSSC Pro - No Signal on AV3 RGBCS, but works fine on Retrotink 4K in the forum OSSC - Discussion and support https://videogameperfection.com/forums/topic/ossc-pro-no-signal-on-av3-rgbcs-but-works-fine-on-retrotink-4k/ Tue, 22 Jul 2025 20:54:18 +0100 As in the title.  Firmware is the latest AFAIK (0.78).  It was working fine before, but now it does not display anything on AV3 RGBCS.

I tried power cycling, did not help.  Display source is an arcade PCB connected to a HAS, which outputs 15KHz RGBCS over VGA cable.

Exact same VGA cable to Retrotink 4K displays fine.

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