rear projection tv

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This topic contains 8 replies, has 5 voices, and was last updated by  Ken Porter 1 week, 6 days ago.

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  • #2675
    treasurehunter
    treasurehunter
    Participant

    My rear projection tv went out and because of my natural curiosity I opened it up to look.
    I got the magnifier, lenses, mirror out and I got some scrapple materials too.
    My big question is what do I do now with what is left. I’m showing some pictures of it.
    What’s in it? Should I bother disassembling it more? Should it just go to the e-waste recycler the way it is?

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  • #2680
    treasurehunter
    treasurehunter
    Participant

    It’s good I figured it out. DO NOT open the red, green, and blue lamps.
    There is a fluid inside similar to antifreeze, while it degrades easily since it is 30% ethanol it is best to just not open it.
    you can still clip all the wiring circuit boards and copper comes off of them similar to what you would do with a CRT tv.

  • #2908
    Darksky1x
    Darksky1x
    Moderator

    >treasurehunter, rear projector TV’s have a couple of 3 channel convergence correction circuit IC for video projectors. Responsible for Analog & Mixed-Signal Processing.

    When I tore into my RPTV I actually got 2 from inside. They have between 2 to 3 grams of gold in them (that’s 2 to 3 grams AFTER refining) here’s what they look like.

    • This reply was modified 1 month, 3 weeks ago by Darksky1x Darksky1x.
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  • #2986

    scolettijr
    Participant

    Treasure Hunter – I do open them and collect the fluids. I’m able to drop them at our hazardous waste facility. Someone is going to have to deal with it at some point, and I know it’s there and what it is, so no accidental spills and see that it goes where it needs to go. As a plus, the casing is usually cast aluminum.

  • #2987

    Ken Porter
    Participant

    Thanks for all the info!!!!!!!!!!!!!!!!

    Can this fluid be neutralized by using regular kitty litter?

  • #2999

    mbohm
    Participant

    I removed the plastic from the IC chips that you mentioned had 2 grams of gold each. I did not see any gold. There six small squares that looked like aluminum. Where exactly is this gold?

    • #3002
      Darksky1x
      Darksky1x
      Moderator

      The six small squares are what you are looking for. If you take a sharp object and scratch the side of one you will see the gold under the silver coating.

      It’s kinda of deceiving just too look at them, all you see is the silver coating.

    • #3011
      Darksky1x
      Darksky1x
      Moderator

      I removed the 6 boxes, busted the stone off the top and flattened them out to make processing easier.

      I believe the wires are silver but I have not tested or processed them yet. After removing the boxes I put the chips aside to process later.

      I would be surprised if the wires and plating are not silver.

  • #3033

    Ken Porter
    Participant

    Sorry!! I was referring to the fluid in a projection tv.

    This is the what I was referring to, I copied it so you could read it. Sorry, for the confusion!!!

    scolettijr

    Participant

    Treasure Hunter – I do open them and collect the fluids. I’m able to drop them at our hazardous waste facility. Someone is going to have to deal with it at some point, and I know it’s there and what it is, so no accidental spills and see that it goes where it needs to go. As a plus, the casing is usually cast aluminum.

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