What's the Difference between LCD Dgitizer and LCD Screen??? - EVO 4G Q&A, Help & Troubleshooting

I got a cracked screen evo but the touchscreem which perfect but the outside screen is cracked and I hate the way it looks on my evo
What is the difference between PCS Digitizers and LCD Screen????

baboulou said:
I got a cracked screen evo but the touchscreem which perfect but the outside screen is cracked and I hate the way it looks on my evo
What is the difference between PCS Digitizers and LCD Screen????
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The digitizer is the part that picks up the touch of the screen for input. The LCD is the actual viewable screen. Is it just the glass that is broken? Is so you can probably just replace the glass unless I'm mistaken. Unless the glass and the LCD are one piece.
--In 1938 I killed a Hobo--

The hobo murderer is right. You most likely have the digitizer cracked, since that's the topmost layer of the phone. If you're lucky and the actual LCD screen under the glass is fine then you can save a pretty decent amount of money by only replacing the digitizer.
Edit: This teardown by ifixit is a great demonstration of how this phone is put together. It should give you a better idea of which parts are broken: http://www.ifixit.com/Teardown/HTC-Evo-4G-Teardown/2979/1

Related

[Q] G2 Screen Issue LCD Glass Digitizer

I bought a G2 with a broken glass Digitizer. I replaced the digitizer but the LCD screen was cracked as well. So i replace that too. After replacing the glass digitizer and lcd screen the phone would respond in certain areas. SOOO I took the phone apart once more and press the LCD against the Glass digitizer which help with some of the "dead spots" on the screen. But there are still some "dead" spots here and there. Is there anything i could do to have the Lcd screen stick to the digitizer so i don't have these issues. I love my G2 but its useless at points when the multi touch is not working properly.
You should have sent it back on warranty.
Removed "Void" sticker over one of the screws
I removed one of the stickers do you think they'll notice?
no, they'll send you another one as soon as they get the tracking no. from you.

Defy damaged LCD screen!

Help,my defy spotted dead pixel. Digitizer still functioning. Where can I buy front glass with digitizer and LCD panel together? Don't want to seperate apart digitizer and LCD .prefer easier fixing
Sent from my MB525 using XDA
Anyone has suggestion on defy front glass casing with digitizer and lcd attached? It easier to fix then seperate digitizer and lcd screen
Have you looked around on Amazon?
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias=mobile&field-keywords=defy+screen
Try cnn.cn
Hi,
I had to replace the screen on my defy once. It was a major chore. I ended up scratching the frame while prying off the screen (its stuck on with some pretty strong glue). I also had to use my own glue - I used water proof clear silicon. When I got it together, my Defy looked beat up. The silicon was too thick and I ended up cracking the frame near the screws.
I recently ordered the housing, screen from: www.cnn.cn . And while it was expensive, it came with a sticky outline that I used to easily replace the screen. I was able to discard the frame of my first defy with the nicks. The end results is that my defy looks like new, even though the back and side might have some nicks and cuts.
I think the store ships from HK. It took a while for it to arrive, but it usually does arrive. I'd recommend it.
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EDIT: I just reread and you probably will just need to replace the LCD and not the Digitizer. The Digitizer is glued on to the frame but the LCD underneath is free and pushed by the mainboard to the digitizer. You do not need to replace the digitizer in order to correct the LCD issues. In anycase, the choice is yours. CNN.cn does not sell the LCD however.
Ptikjp said:
Hi,
I had to replace the screen on my defy once. It was a major chore. I ended up scratching the frame while prying off the screen (its stuck on with some pretty strong glue). I also had to use my own glue - I used water proof clear silicon. When I got it together, my Defy looked beat up. The silicon was too thick and I ended up cracking the frame near the screws.
I recently ordered the housing, screen from: www.cnn.cn . And while it was expensive, it came with a sticky outline that I used to easily replace the screen. I was able to discard the frame of my first defy with the nicks. The end results is that my defy looks like new, even though the back and side might have some nicks and cuts.
I think the store ships from HK. It took a while for it to arrive, but it usually does arrive. I'd recommend it.
-------
EDIT: I just reread and you probably will just need to replace the LCD and not the Digitizer. The Digitizer is glued on to the frame but the LCD underneath is free and pushed by the mainboard to the digitizer. You do not need to replace the digitizer in order to correct the LCD issues. In anycase, the choice is yours. CNN.cn does not sell the LCD however.
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Wow thanks buddy!! The digitizer is working 100%, usable. The only problem is black dead pixel even reboot to recovery mode, the black dot still can be seen in blue wordings in recovering mode. Since the changing the LCD doesn't require changing the digitizer, That save lots of money.
Heard LCD sceen has to be OEM cos compatibe may not boot up?
defybest said:
Wow thanks buddy!! The digitizer is working 100%, usable. The only problem is black dead pixel even reboot to recovery mode, the black dot still can be seen in blue wordings in recovering mode. Since the changing the LCD doesn't require changing the digitizer, That save lots of money.
Heard LCD sceen has to be OEM cos compatibe may not boot up?
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I would always go with oem. The lcd is buy far way more expensive than the digitizer unfortunately. Good luck.

Water damage

Ok, so the phone turns on, LCD screen even flickers on once in a while, it won't stay on though. And everything looks just how I left it. So I'm assuming the mother board is good, the LCD is bad/fried and the digitizer glass is ok. Would that be a safe assumption?
Now, I had two other Incredibles, one with a cracked LCD, one with a cracked digitizer. Swapped out the digitizer and as long as we put the right mother board in that went with the LCD, it worked great. So I'm assuming I can't just go buy an incredible off ebay with a cracked digitizer and swap out LCD screens? And will a "New" LCD replacement screen work? Thanks!
tspace75 said:
Ok, so the phone turns on, LCD screen even flickers on once in a while, it won't stay on though. And everything looks just how I left it. So I'm assuming the mother board is good, the LCD is bad/fried and the digitizer glass is ok. Would that be a safe assumption?
Now, I had two other Incredibles, one with a cracked LCD, one with a cracked digitizer. Swapped out the digitizer and as long as we put the right mother board in that went with the LCD, it worked great. So I'm assuming I can't just go buy an incredible off ebay with a cracked digitizer and swap out LCD screens? And will a "New" LCD replacement screen work? Thanks!
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I don't see why another LCD screen wouldn't work, but it's really hard to say with this kind of thing without just trying it, which is what people want to avoid because throwing parts at it costs money. Its not necessarily true that the motherboard on the device is ok. Its certainly possible that it could be fried, but in a way that allows power to still get to the LCD but not control it properly. Another option would be, since you will be taking it apart anyway, inspect the motherboard or other circuitry if you can see it and look for burn marks on the board that would indicate a short circuit. You can't always see them, but it would tell you if it were bad if you can see it.

[Q] Cracked screen

Hey guys, today I dropped my Desire HD and the screen cracked. The touchscreen works fine, so my guess is that the LCD is not affected, only that glass ontop of it. Is there any way I can change it without replacing the whole LCD screen?
FusionX3 said:
Hey guys, today I dropped my Desire HD and the screen cracked. The touchscreen works fine, so my guess is that the LCD is not affected, only that glass ontop of it. Is there any way I can change it without replacing the whole LCD screen?
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If it's just the glass that's cracked and everything else is fine (No visible cracks/defects in the LCD itself) then you just need to get a new Digitizer. This is the glass panel on top of the LCD that picks up the touch input.
You can pick them up for pretty cheap on ebay, postage will depend on where you live. In my case I can get one for €18 from an English seller including postage to Ireland so should be similarly priced for wherever you live. (http://www.ebay.ie/itm/HTC-G10-Desi...K_Replacement_Parts_Tools&hash=item4d090a706b)
Also here's a video with instructions on how to replace the Digitizer.
http://www.youtube.com/watch?v=2Zc0k994Pl4

[q] please help screen needs replace

Hey All.
Been using nexus 7 2013 since last 2 years. My nephew dropped it and the screen cracked from the side. The device is working fine. The touch doesn't work at the the area of the cracks on the top right, and a few other places. But works everywhere else on the screen. My question is what has to be replaced, the digitizer or the entire LCD. My personal diagnoses is only the upper glass needs to be replaced. Please advice further!
Digitizer is for $15 and the whole thing is for $50. What has to be replaced and how to find out?
Please see the pictures and help me please
Unless you have a way of separating the glass/digitizer from the actual lcd you need the whole assembly. It's all glued together you can't just lift off the glass.
Heeeboo said:
Hey All.
Been using nexus 7 2013 since last 2 years. My nephew dropped it and the screen cracked from the side. The device is working fine. The touch doesn't work at the the area of the cracks on the top right, and a few other places. But works everywhere else on the screen. My question is what has to be replaced, the digitizer or the entire LCD. My personal diagnoses is only the upper glass needs to be replaced. Please advice further!
Digitizer is for $15 and the whole thing is for $50. What has to be replaced and how to find out?
Please see the pictures and help me please
Click to expand...
Click to collapse
You'd be much better off replacing the whole assembly. Separating the digitizer from the lcd can be done, but the problem is with locating a digitizer that works. I've tried this for about 5 times, and each time I had to return the digitizer to the vendor.
Also, since the bezel (frame) is designed so the digitizer back always touches the lcd surface (they are glued together on the original assembly), you'll have those strange "rainbow" spots on them when the device is turned off.
Not to mention that if you use an adhesive that's too thin, there's a chance the digitizer might be bent, not enough to crack it, but enough to distort touch sensitivity, resulting in some spots being unresponsive. In short, too much of a hassle for a 30-buck saving.

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