Sharp Aquos LED wired display issue

[Audioplus]

Weird display issue, looks like optical fibers, instead of pixels. Has anyone seen this? I will have to add pics from PC

[Audioplus]

Re: Sharp Aquos LED wired display issue

The last picture exhibits the best issue. It looks like fiber strands laid in on glass bonding. Not a pixel issue, and they are white, the rainbow effect is probably moire pattern or camera issue.
Any ideas?

[tom66]

Re: Sharp Aquos LED wired display issue

Uneven backlight film layers or contamination on those layers.

[Audioplus]

Re: Sharp Aquos LED wired display issue

Tom, you confirm a tab bond issue?
Thank you!

[tom66]

Re: Sharp Aquos LED wired display issue

No, it's not got the typical symptoms of such a fault.

[electronicsurplus]

Re: Sharp Aquos LED wired display issue

Does the image change if you apply pressure to the affected area? If so then there may be moisture between the Back-light diffusion layers, there are several which diffuse the light to obtain an even light area. (Much like taillighst on an automobile where a single bulb is used in the center and it appears that the entire light is lit)

If the image does not change then I would consider re-flowing the Main IC's on the Main Board and, also on the T-Con since, this would also cause similar symptoms
But, start with applying gentle pressure to the area and see if there is any change at all

Aimee

[CapLeaker]

Re: Sharp Aquos LED wired display issue

looks like water between the backlight diffusers to me too.