Looking to buy a specific 4K TV – can I rely on the supported resolutions?

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This topic contains 5 replies, has 5 voices, and was last updated by  eric90000 2 days, 5 hours ago.

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    Hi all

    I currently have a 55″ LG TV, model 55LB561V, that I use as my main display for my PC, Wii U, Switch and my ten retro consoles hooked up via the OSSC. It’s worked brilliantly up until now, but I’m looking to upgrade to 4k. I’m looking at the LG 55UH661V – reason being the low input lag and the fact that I’ve not heard anything negative so far about LG sets with regards to the OSSC (unlike Samsung and Panasonic).

    My current LG works flawlessly with all scaling modes and options on the OSSC. The list of supported resolutions and frequences in the manual are as follows:

    It’s pretty extensive – which is probably why it has such good support with the OSSC. I’ve checked up the manual for the 4k set, and the supported resolution list looks like this:

    I’ve omitted the 4k resolutions there for obvious reasons. Comparing the two, they look identical up to 1080p, right? There seems to be a little bit less support on 1080p than my old set, but will that be an issue? I have the following hooked up via the OSSC:

    – JP Mega Drive 1 (csync)
    – JP Saturn (csync)
    – JP N64 (composite sync)
    – Famicom AV (composite sync)
    – Super Famicom Jr (csync)
    – PAL PSONE (luma sync)
    – PAL Gamecube (composite sync)
    – Dreamcast (vga)
    – XBOX (component)
    – PC Engine (composite sync)


    • This topic was modified 4 days, 6 hours ago by  richisawesome.


    Those specs do not include any tolerance values, so unfortunately there’s no guarantee about how the display behaves if fed with slightly different horizontal and/or vertical frequency.



    Take the Super Fami and OSSC down to the TV shop and test it out? If it works with lx3/4/5 with the SF, the other consoles should be fine, given the SNES is one of the consoles that is known to cause problems as far as display compatibility.

    Not an ideal solution, but probably the only way to know for sure, other than finding out detailed info from the TV design/development team…

    When I switch to OLED in the next 2-3 years, I’ll be heading down my local TV store with an OSSC and console at hand 🙂



    Richer Sounds in the UK are great for this, if you arrange a demo they let you bring in anything you want to test.



    Heh well my previous TV, 5.1 AV receiver and rear and centre speakers are all from Richer Sounds – so that’s where I was heading anyway! And I actually sent them an email the other day about all of this and their response was that it’d be fine to bring the OSSC and a SNES in to test on the display model!

    I also sent the business support helpline of LG an email asking about information on tolerances, supplied information on the OSSC and asked for a non-automated response. I got the following:

    I have personally taken a look into this for you Rich, and double checked this with the senior technicians here at LG also. We would see no compatibility issue between the two devices at all, and they should line up with the tolerances of your previous set. However, as we do not manufacture the console ourselves, it may be worth contacting the console manufacturer, to ensure that the two specifications line up, and there will be no issues regarding this. From what we can see, there shouldn’t be.

    Which…was not the unhelpful response I expected! Looking more and more like I’ll be getting that LG next month now!

    • This reply was modified 2 days, 6 hours ago by  richisawesome.


    I’d be very interested to find out what your findings are Rich. I’m in the same boat really, I have an older 47″ LG that works perfectly with every single OSSC mode, but I’ll be looking into a newer 4K TV soon. I bought a Sony 40″ TV a while back and it only supports Lx2 :(.

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