Vizio E500i-A0, LED lamp beads, new sticky?

[DXseekerMO]

In my opinion, it would be good to have a resource, maybe like a "Sticky" dedicated to individual LED application, like which LED's work on what strips. That would make it so much easier to source LED's for individual replacement! What do you all think?

I recently traded for a Vizio E500i-A0 with sound, picture and no backlights. After testing I found two bad LED's. I replaced them with two I recently bought at ShopJimmy for LG panels. They are too white and leave a "hot spot" on the display.

The part number on the LED strip is 6916L-1276A. Would any of you happen to know what part number LED's these use?

Thanks everyone!

[DXseekerMO]

Re: Vizio E500i-A0, LED lamp beads, new sticky?

bump

[DXseekerMO]

Re: Vizio E500i-A0, LED lamp beads, new sticky?

SOLVED! I determined the problem was with the Krazy Glue I was using. It looks like it was outgassing in to the lens and causing it to become frosted right above the LED. There was also evidence of outgassing on the bottom diffuser panel right above the LED's I replaced.

The solution was to use two-part epoxy instead of Krazy Glue to attach the diffuser lens to the LED strip and clean the bottom diffuser sheet with glass cleaner and a microfiber cloth.

The LED's are a slightly more white in color but once assembled they are indistinguishable on the display panel. The ones I used were ShopJimmy part number sj-LG LED Ver. 1

I'd still like to know what LED's these use and if anyone thinks an LED bead interchange thread would be helpful. Perhaps this is a start for everyone?

[rddube]

Re: Vizio E500i-A0, LED lamp beads, new sticky?

Hey, I use ligquid plastic that responds to blue light for the leds, does a super job.

I was also using krazy glue but that stuff adds a film on the lens (I guess it melts the plastic or something), so I decided to try the blue light liquid plastic and voila! Known brands are bondic, but I find it a bit yellowish, so I get this kind of stuff:

https://www.ebay.ca/itm/Lazer-Bond-5...lue+light.TRS0

Hope this helps.

[diif]

Re: Vizio E500i-A0, LED lamp beads, new sticky?

Yeah, cyanoacrylate fumes aren't so good for some plastics.
I use the same stuff as rddube.

I just replace individual LEDs on strips. I've bought quite a few different batches of SMD LEDs from Aliexpress and with the use of a spectrometer can see which are closer to the colour of the original. Some are spot on, others quite a way off and no good. Most are only referenced by size, some by manufacturer/model but it's China/Aliexpress so there's lying/copies/fakes. However when I'm paying between £2-£4 per 50/100 this isn't so much of an issue.

[DXseekerMO]

Re: Vizio E500i-A0, LED lamp beads, new sticky?

Hey, I use ligquid plastic that responds to blue light for the leds, does a super job.

I was also using krazy glue but that stuff adds a film on the lens (I guess it melts the plastic or something), so I decided to try the blue light liquid plastic and voila! Known brands are bondic, but I find it a bit yellowish, so I get this kind of stuff:

https://www.ebay.ca/itm/Lazer-Bond-5...lue+light.TRS0

Hope this helps.

That is awesome! ShopJimmy has something like that....but more expensive! Thanks, that definitely helps!!

Yeah, cyanoacrylate fumes aren't so good for some plastics.
I use the same stuff as rddube.

I just replace individual LEDs on strips. I've bought quite a few different batches of SMD LEDs from Aliexpress and with the use of a spectrometer can see which are closer to the colour of the original. Some are spot on, others quite a way off and no good. Most are only referenced by size, some by manufacturer/model but it's China/Aliexpress so there's lying/copies/fakes. However when I'm paying between £2-£4 per 50/100 this isn't so much of an issue.

Is a spectrometer expensive? If someone is replacing a lot of LED's individually it sounds like a must have. Too bad there's not an app for that! lol

I'm hearing more and more about counterfeit electronics....how destructive they can be and how difficult they can be to spot. That's one of the reasons I haven't sourced anything from China yet.