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what to do with TV with bad control board?
Posted on 7/11/22 at 12:39 pm
Posted on 7/11/22 at 12:39 pm
I have an 55" LG TV that was 10 years old. A few weeks back, the inputs on the back stopped working. So, I got myself a new TV.
So, what to do with the old TV? Do people/companies salvage 10 year old TV's these days or is this thing destined for the dumpster?
So, what to do with the old TV? Do people/companies salvage 10 year old TV's these days or is this thing destined for the dumpster?
6
Posted on 7/11/22 at 12:50 pm to Chicken
Dumpster. Not worth the money.
Posted on 7/11/22 at 1:48 pm to Chicken
Goodwill
Posted on 7/11/22 at 2:50 pm to BAMBAM
I would not donate a broken TV. It's trash. Trash it.
Posted on 7/11/22 at 3:00 pm to Chicken
Aren't those boards easily changed and cheap? If so I'd look into getting a new board and use the old TV for an outdoor TV on the back patio.
Posted on 7/11/22 at 4:53 pm to BallsEleven
I'd rather just donate it if it is salvageable
This post was edited on 7/11/22 at 4:56 pm
Posted on 7/11/22 at 5:43 pm to Chicken
I had a VIZIO 55" plasma that was 10 yrs old and went south. Research confirmed there were 2 boards, so I purchased both refurbished off ebay for $50. Removed the back panel, replaced the boards, and that fixed the problem. I had no clue if it would work 1 day or 100 days. Donated it to a local school with special education kids hoping they could use it.
edit: chicken, post the model # and the tech board sleuths will research the issues, boards, and costs to DIY
edit: chicken, post the model # and the tech board sleuths will research the issues, boards, and costs to DIY
This post was edited on 7/11/22 at 5:48 pm
Posted on 7/11/22 at 5:53 pm to Got Blaze
LG 55LV5500
Posted on 7/11/22 at 6:40 pm to Chicken
there's a T-Con board , and a main power board . T-con is often replaced when the tv powers up, and then goes to a black screen in a few seconds. The main board is replaced if the TV appears dead and you have no power.
prices range from $10 to $60 for each board. Here is where I purchased my parts from. Ebay prices are crazy high and most have no warranty. If you don't want to repair it, donate it to a local school with a shop class that deals with electronics ... best of luck brother
prices range from $10 to $60 for each board. Here is where I purchased my parts from. Ebay prices are crazy high and most have no warranty. If you don't want to repair it, donate it to a local school with a shop class that deals with electronics ... best of luck brother
Posted on 7/11/22 at 6:51 pm to Got Blaze
Tv turns on fine. And stays on. It just doesn't recognize inputs. I can get to the system menu and tool around there but it won't recognize hdmi inputs. I tried the VGA input and that also didn't work.
Posted on 7/11/22 at 6:57 pm to Chicken
the main board has the inputs. Perhaps swapping out a new board will make it like new again and operational 
maybe another poster will have a better diagnosis and opinion.
maybe another poster will have a better diagnosis and opinion.
Posted on 7/13/22 at 12:37 pm to Chicken
I had a Samsung Plasma that was playing great. It was my 2nd TV. The board went out and it would stay on. I bought a used board and my daughter is now using it as her main TV. It was really simple. I don't really care what fixing things like that cost. I like to learn and troubleshoot. The board wasn't $100.
Posted on 7/14/22 at 12:56 am to Chicken
Not supposed to put in trash. However, get you a hammer and black trash bag and you’ll be good.
Posted on 7/14/22 at 6:55 am to Chicken
We put 2 that got fried during lightning strike on the street, they did not stay there long
Posted on 7/15/22 at 11:39 am to Chicken
I have about a 9 month old JVC Roku TV that just powered off and won't come back on. JVC hasn't gotten back to me yet on what they are going to do. I've considered looking for a power board on ebay but dangit it is an almost new TV with a warranty I shouldn't have to pay anything.
Posted on 7/15/22 at 5:37 pm to Got Blaze
I have done this with a couple TV's. $50ish probably covers the 2 main boards for most. Google the issue and that can probably narrow it down to the one board that is the problem.
Posted on 7/15/22 at 11:26 pm to Got Blaze
I have a Vizio 75” that powers on but shows a black screen. Can even hear the audio, but screen is black. Should I replace t-con board?
Posted on 7/16/22 at 8:51 am to Brightside View
If it's a couple years old and you like it I probably would. The board probably $60 ish? May check ebay for a screen damaged one. Boards usually still good.
Posted on 7/18/22 at 10:51 am to holmesbr
Had a friend that had a 65" Sharp Aquaos that got hit by lighting. Insurance bought them and new TV and told them to junk the old one. Asked if I wanted it before they threw it out. I got it and replaced the main board for around $100 and had a fully functioning TV again. It has been working great for a year now.
I would say if you can narrow down the exact part you need and you can fix it for under $150 then it is worth it to fix. Also would recommend storing it for about a year and see if any of the same model pop up on FB Marketplace with a cracked screen you pickup for cheap. You might just luck into getting the parts you need very cheap. If the screen and backlight in the TV's are verified good then it is only a matter of getting a new board either thru marketplace ro ebay then fix it.
I would say if you can narrow down the exact part you need and you can fix it for under $150 then it is worth it to fix. Also would recommend storing it for about a year and see if any of the same model pop up on FB Marketplace with a cracked screen you pickup for cheap. You might just luck into getting the parts you need very cheap. If the screen and backlight in the TV's are verified good then it is only a matter of getting a new board either thru marketplace ro ebay then fix it.
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