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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

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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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[–] HaywardT@lemmy.sdf.org 9 points 7 months ago (1 children)

Why did you do it?

[–] RedEyeFlightControl@lemmy.world 39 points 7 months ago (1 children)

I was a poor college student and had access to engineering samples from a local manufacturer. Discarded parts gave me twin 15" LCDs for free in the mid 00's. Also, to see if I could. It was a fun challenge. These are different revs of a controller that were outfitted in several slot machine prototypes. They gave me many years of service. I probably still have inkjet prints of the pinout and signal diagrams, somewhere.

[–] HaywardT@lemmy.sdf.org 8 points 7 months ago* (last edited 7 months ago) (1 children)

Seems like a fun project to me too. It also seems like things have changed since the turn of the century, with regards to interoperability.

[–] RedEyeFlightControl@lemmy.world 8 points 7 months ago (1 children)

Oh, things are way better now than they were back then. I'd still confirm via documentation that the interfaces are compatible :)

[–] HaywardT@lemmy.sdf.org 7 points 7 months ago

I retired from embedded systems design and design-for-manufacture a decade ago. Reading datasheets was most of the job. This doesn't look too daunting. It's a single interface between two readymade components. I've identified where some issues might come up, and there are probably some that I don't know about yet. Still this seems less like building a circuit around existing ASICs and more like hooking up stereo equipment to me.