xperia z c6603 dark screen issue - Xperia Z Q&A, Help & Troubleshooting

I just did replacement of screen for xperia z c6603, my fault was i did order unbranded non genuine screen. after replacement there is no brightness adjustment possible. no matter what level i try set up its all the time the same very low set. but the strange thing is while im putting the original screen back nothing change while it should, cause before replacement only digitizer didnt work but lcd was really bright not like now. Rebooting, restoring system, updating doesnt work. i think its definitely hardware issue but what?

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[Q] Xperia Z faulty display?

Hello,
looking for advice on a display issue please. Cracked my Xperia Z screen and ordered a new screen form a shop. After fitting the screen the display shows pixelation/noise on certain images (examples attached).
I have checked the ribbons and connectors and all appear intact and correct.
I would be grateful to know what the causes could be. The shop is refusing to replace saying they checked the screen before it was fitted to my device, saying it must be another issue with the phone. I never had this issue with the original screen.
A couple more pics - when using the xperia system menu display check the last test shows the pixel noise. Reading up a bit it appears it could be linked to the LCD inversion / pixel walk. Does anyone know anything about this on here? Does anyone know if it is likely a hardware fault? There doesn't appear to be any setting I can change on the phone to effect it. Many thanks....

My Sony Xperia Z1 Screens turns Fade White or Negative effects.

Hi i have a question to ask what is wrong with my phone screen? I washed my phone yesterday using tap water and its all good. But last night while using it the screen suddenly turns fade white or like a negative effects. Everything on my phone is working correctly i meant the touchscreens, wifi, and other functions is working well. I assumed the problem is the same like on this thread . Tried drying my phone using the hairdryer (i don't have heatgun) for a few hours but still no luck. The problem still persist. Please help me someone? Maybe the screen need to be replace? Or maybe the motherboard is damage because of water?
Sorry for my bad English and thanks in advance.

Xperia Z screen problem

Hello, I got a Sony Xperia Z (C6603) whose touchscreen was not working. So I change the LCD screen + touch. Everything worked properly until the screen starts to malfunction (ghosting and bugs of all kinds). So I disassembly the phone and I was surprised to see that the connector of the LCD was slightly torn. Then I bought an LCD screen + touch glass, other than the previous one. I ride and then everything works again .. until last week. Same problem, so I disassembly again and I see that everything is in its place, the connector is not torn, nothing ...
I wonder where does this problem. Note that I have tried to put to factory reset the phone (via settings or Flashtool), I downgrade to Kitkat, in short, I tried everything as well as hardware side software, nothing doing.
If anyone know where it can come ... Thank you
Here is my problem in video: https://www.youtube.com/watch?v=I5KNTB_Q4zI&

Sony Xperia Z3 E6553 still no display after LCD replacement

Good Day to All,
I have a problem with my Z3+ E6553, the problem is that there is no display on the phone. Couple of weeks ago the lcd just stopped working, the device does come on with the LED lights, vibration and the touch is reponsive with which you can here the touch sounds, haptic feedback and the Speech to text speaking. I thought the LCD screen went dead and so I bought a new LCD screen to replace it but after replacing the screen the problem still presist with no display(black screen). So currently I have no idea what is the cause or what to do next.
I opended the phone was just check some things out, and I had a look at the LCD flex cable and I found something strange that maybe one of the connector antenna prongs missing. But I'm not sure if thats just how it is or its maybe it got damaged. Have a look at the attached pictures below.
Can someone tell me if this issue is with the LCD motherboard flex cable, or another hardware issue maybe being the motherbaord?

Sony xz2 compact black screen?

Hello... new here searching for a sollution regarding my problem.
I recently had my xz2 compact outside in some rainy weather and afterwards my phone went black, led works and sounds work. Upon rebooting i can barely see the Sony and Android logo, and about 1 second of my startu pscreen, but only barely if i angle a flashlight at the screen, nothing is visible in normal room light.
Ive tried replacing the screen without any success.
Any ideas? I probably can recover data but I would like to get it working again.
Br
I probably found the problem on my own. Posting it here incase other people have the same problem.
It turns out there is a fuse for the backlight function. I need to replace it, however the fuse seems to be impossible to find so someone else just soldered a zero resistor instead.Ill try thatand see how that works

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