this post was submitted on 01 Apr 2024
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Unsmart a smart TV (lemmy.sdf.org)
submitted 7 months ago by HaywardT@lemmy.sdf.org to c/technology@lemmy.world
9 comments fedilink hide all child comments
 

How standardized a lcd panels? Could I replace the controller in a smart TV with one of these HDMI to LCD controllers?

https://www.ebay.com/itm/375318342725__

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[–] Faceman2K23@discuss.tchncs.de 0 points 7 months ago (1 children)

LCDs do tend to speak somewhat standardised languages, but there is a lot more to a modern TV than just an LCD controller.

Color and white balance calibration, image/motion processing, HDR Processing, backlight control/dimming zones, input management, audio decoding/encoding/passthrough, digitizing analogue sources, HDMI licencing, Dolby licencing, etc.

If you want a better smart TV the best thing to do is to get a hackable TV like most android based models, replace the launcher, strip out system apps and telemetry with ADB and start fresh, then either leave it offline or use filtering to only allow access to the services you approve.

[–] michel@friend.ketterle.ch 0 points 7 months ago (1 children)

@Faceman2K23
Do you know a list of hackable tv's or at least brands?
I'm very interested in preparing for the moment my current tv break.
@HaywardT

[–] Faceman2K23@discuss.tchncs.de 0 points 7 months ago (1 children)

Not sure if there's a list, but most Android based TVs can be cleaned and modded to some degree via ADB. If you can access the dev settings in android, chances are you can do a lot to make it better, strip out some google or branded packages, replace the launcher to block OS level ads etc. Projectivy usually works well since it supports input switching on many devices, but it's still better to do all of this to a separate box and then plug it into a TV that is firewalled/filtered/offline. more control and less to fuck up.

Rooting and unlocking bootloaders is more complex as these android devices dont have normal recovery systems and require a lot of custom drivers to make the video and audio processing work, so it's not worth going that far.

[–] Hamartiogonic@sopuli.xyz 0 points 7 months ago (1 children)

I wonder if anyone has made a custom rom for TVs, sort like Lineage or Graphene. These panels run Android, so why not?

[–] Faceman2K23@discuss.tchncs.de 0 points 7 months ago (1 children)

I have seen some talk over on XDA forums, but since there is more to an android TV than just the basic android OS, it's a bit trickier without risking losing licences/compatibility/DRM/features.

Some older LG webOS tvs can be rooted and custom apps installed too such as ad free youtube players etc.

[–] Hamartiogonic@sopuli.xyz 0 points 7 months ago* (last edited 7 months ago) (1 children)

Just found some LG business TVs/displays/signage that actually run Tizen. Remember that cool Linux distro that was supposed to take over the mobile world nearly 15 years ago? Well, turns out, it didn’t, but it didn’t it die completely either.

Hopefully those panels are a bit more hackable or more privacy oriented.

[–] Faceman2K23@discuss.tchncs.de 1 points 7 months ago* (last edited 7 months ago)

Gets even weirder when you see LGs webOS kinda started out as PalmOS

[–] vox@sopuli.xyz 0 points 7 months ago* (last edited 7 months ago) (1 children)

huh i wonder, if the answer is "yes" or "somewhat yes" is it a valid alternative to replacing the power supply in my tv?
i got one for free with a busted psu, but the power supply board is extremely rare (i only ever saw two listings of it, one on AliExpress and one on ebay, both just one piece left and for higher price than a new used tv; similar boards are like 5 times cheaper)
basically, unless i could find an alternative solution like that, I'm throwing it away

[–] AnAngryAlpaca@feddit.de 0 points 7 months ago

Why not disassemble it and sell all the working parts, if they are rare and expensive?