HDMI switch routes power from PS4 to OSSC causing blinking backlight

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  • May 10, 2021 at 5:11 PM #47258
    TrantaLocked
    Participant

      I bought this HDMI switch that works but when I have my PS4 turned on, the power from its HDMI cable gets routed by the HDMI switch to the OSSC plugged into input 2 and causes the OSSC backlight to flicker. This works even when the OSSC is switched off and unplugged.

      My DVI switch never did this, and I was already cautious about this HDMI switch because I didn’t like how it was using the HDMI signal to power an LED light.

      I tried really hard to find an HDMI switch that worked like my NEXT DVI switch, with two mechanical switch buttons and no power input. The only ones I could find are this and this. You will need to search them on ebay. I was able to find the radioshack one on ebay and will test once it arrives. The only thing I don’t like about the radioshack is that it still uses LEDs, but the two button mechanical switch implies its internals have proper signal separation like the DVI switch that I have.

      I tried to avoid any of the single push ones and virtually all of them are like that. If the one I got backfeeds voltage to the other input, it is likely all of the others on the market with a similar single push design do the same thing. I did get one more single push switch with three inputs on amazon just to test but I’m expecting it to have the same issue.

      May 17, 2021 at 7:23 AM #47396
      TrantaLocked
      Participant

        Ok so I tested two different HDMI switches, both of which do not cause the OSSC backlight to blink. NEWCARE HDMI Switch 3 in 1 Out from amazon and RadioShack 1500467 from ebay are both working fine.

        My advice is to avoid the Techole HDMI switch and any switch that uses a similar design that could use the same generic PCB. Pictures of the Techhole PCB: https://imgur.com/a/CHSrIxM

        May 17, 2021 at 4:01 PM #47408
        BuckoA51
        Keymaster

          Yes unfortunately we’ve found the same thing with those switches since they are 100% mechanical. Sadly, they’re the only switches we know of that support advanced features like VRR etc, simply by virtue of them being entirely mechanical.

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