Hi all
My touchscreen is broken, the screen doesnt response on any touch.
Also there is a crack in the front glass what do i need to replace?
And how do i replace that?
Thanx Sander
It depends on what is exactly broken. However, there are whole Digitizer+LCD units on Ebay for about 70 Euros. Then you can find some guides here, which show how to replace the screen. But as it is glued to the housing, it is not that easy.
However, if you decide no to repair it, I would be interested to buy the faulty device, because I need a small part which got lost during my replacement process. So, in that case, let me know.
the LCD itself is ok.
Only the touch screen is broken
because it lay down on a hot light bulb
so its burned down
only the touch is broken and the cover is a crack in;D
Well the problem is, that both parts are glued together and I haven't found a guide yet which shows how to disassemble then. Even the service manual does not show it.
Check this video: http://vimeo.com/7623264
You can see that he also uses a whole unit consisting of both parts. You can watch the video and decide whether you want to try it or not. But it seems much more difficult than with some other devices as e.g. the Kaiser or the HD2 because more things are glued instead of being fixed by screws.
If you have the tools and the replacement LCD + Digitizer, its really not all that hard.
you only need the right torx & phillips screwdriver and tweesers.
the glue holding the parts in is no issue, its actually convenient as you can just press the new part in without re-gluing.
if you decide the follow the HTC service manual, you may like to checkout the link in the bottom of my signature, it points out all the crucial steps the manual will not tell you to do.
also, even if the LCD is good, replace it anyway, mine was good but my digitizer was bad and I replaced both at once, its worth any extra cost to get a preassembled LCD+Digitizer, if you read around you will come to the same conclusion, many on here tried changing the digitizer alone and failed. (many as in like 40+ people, strongly consider getting a premade lcd+digitizer)
I have successfully replaced the digitizer with a unit from Dealextreme that sadly was slightly damaged on arrival but in much better shape than the original.
However I have to say that it is extremely tedious work, especially separating the digitizer from the LCD.
The original glue is very strong, so just getting the LCD+digitizer out of the casing I found kind of risky.
I ended up using a piece of paper to cut the glue that joins LCD+digitizer, as a hard plastic or metallic tool would most certainly damage the LCD.
The whole operation took me 4+ hours, but it IS possible.
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Good to see a success story!
I had only known of a phone repair technician who managed to peform a digitizer only repair, I heard that if you mildly warm the surface it makes it easier to separate, I'm still not game to do it, i noticed just how fragile the parts are when I replaced my bad digitizer with a preassembled LCD + digitizer, and Im still of the belief that its worth paying the difference to avoid the risk.
good stuff buskleif
i managed to seperate the digitiser from the lcd by steaming them apart, then fitting the rubber gasket to the new digitizer. it's a pain in the butt but very do-able. you have to take it very slowly and gently prize them apart as the steam is added. you can also get condensation on the backlight mirrored sheet but it evaporates and has no permanent issues that i've found so far.
Related
so my touch matrix cracked, got a replacement on ebay that looks perfect. i got it to work but everytime a do, a few days later it stops working until i fix it again. i can't seem to figure out how the flexible PCB connects to the back of the LCD module. it looks like HTC just puts a piece of tape over it.
however, i noticed when taking off the old LCD touch matrix that there was some sort of possibly conductive adhesive that made it very difficult to pull off. i got it off but one of the contacts got stuck on there and it i had to scrape it off with a scalpel.
see picture below for exact details. if anyone has any experience in doing this and getting it to work, please let me know, it's so frustrating not having touch on this phone.
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I think you might need to have that professionally repaired. I used to refurbish phones for Motorola but I've never taken anything this advanced apart before. It sounds like you shouldn't have scraped off that conductive adhesive. The digitizer you bought should have been a relatively simple installation but you should have taken your time peeling off the old cracked digitizer. That adhesive is pretty strong and thats why they use it.
You might want to look into getting your hands on some of that adhesive and just replace it all. Sometimes the oils from your skin from handling such a sensitive ribbon cable could have damaged it as well.
P.S. Unfortunately, most of the people here are software genius's, not hardware experts unfortunately.
it's not too advanced. i figure if they at least offer the part as a replacement option on ebay it can't be too hard. and in the mass view, it's only 4 contacts and relatively easy to replace if you have a minor knowledge of electronics.
i keep taping it down firmly and even putting extra tape on top so that the pressure of the case will press down on the pcb to have a firmer connection.
note: i was very careful to observe ESD precautions, so that isn't it, plus there's no semiconductors that could be damaged in the touch matrix.
dudah85 said:
it's not too advanced. i figure if they at least offer the part as a replacement option on ebay it can't be too hard. and in the mass view, it's only 4 contacts and relatively easy to replace if you have a minor knowledge of electronics.
i keep taping it down firmly and even putting extra tape on top so that the pressure of the case will press down on the pcb to have a firmer connection.
note: i was very careful to observe ESD precautions, so that isn't it, plus there's no semiconductors that could be damaged in the touch matrix.
Click to expand...
Click to collapse
Hmm... have you tried good old fashion superglue? I mean not neccesarily putting it on the end of the cable where the conductors are, but on the cable right near the conductors to keep it from moving around and then placing a few strips of tape to sandwich the cable with the housing pressing it down tight?
yes i have but i fear what happens if when pressing it down if it gets on the pads, then i'm just totally screwed. it's a tough situation, i wish there was a contact at HTC that could tell me how it's done.
i'm going to also try contacting their support/repair office and see if they can provide any insight.
dudah85 said:
yes i have but i fear what happens if when pressing it down if it gets on the pads, then i'm just totally screwed. it's a tough situation, i wish there was a contact at HTC that could tell me how it's done.
i'm going to also try contacting their support/repair office and see if they can provide any insight.
Click to expand...
Click to collapse
The superglue option is very risky but it could save your @$$ if you only put very little on the ribbon and then hold it in place untill it dries and then press down once the glue is already dry.
On another note, contacting their support office would probably be your best bet.
Everything you have done, even though not done wrong, it a far greater risk than I would have ever taken... I would have sent it in to be repaired of the digitizer had a crack in it or or the dot matrix got scratched. But thats me.
Unfortunately there aren't too many technicians here on this forum since it is almost completely firmware and not hardware here... Then again, there might be a few. Where I live it's kinda late at night so maybe they're sleeping or something. Lol.
i'm neither a hardware nor a software expertm but i may be able to help... i saw the manual somewhere... www.mdatweak.com/downloads/Wizard_Service_Manual.pdf... try that... maybe it'll help you...
How to replace HTC HD2 Touch Screen Glass ?
Required easy video or photo tutorial.
Only replace HTC HD2 Touch Screen without disassembling all device camera, speaker etc.
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I want to order this part
http://cgi.ebay.com/HTC-HD2-T8585-L...m&pt=PDA_Accessories&hash=item439f5e14b9#shId
Video how i broke my HTC HD2
http://www.youtube.com/watch?v=onMWYZgHhrk
Scratch Test:
http://www.youtube.com/watch?v=SVNbe5V-1Sw
Temp. Fix , to protect fingers
http://www.youtube.com/watch?v=bOQfM8cTvgU
EDIT:
http://forum.xda-developers.com/showthread.php?t=701003
http://forum.xda-developers.com/showthread.php?t=613954
"Required easy video or photo tutorial.
Only replace HTC HD2 Touch Screen without disassembling all device camera, speaker etc."
If i remember correctly there is a photo tutorial on some blog.
no it's not easy, yes you have to disassemble your phone, no i wouldn't bother trying if i have no clue about how the whole thing is set up.
repairing charges are about 170-200€ ~250$.
I haven't done it yet myself, my screen is alsoo cracked, but it seems very tricky. However, you have to disassemble the HD2 befor you can reach the screen. Also, you have to place the LCD part in the oven for 5 to 10 minutes at 50C degrees to let the glue get loose, because the screen is glued on. And even the digitizer is glued onto the lcd. So, even if you manages just to remove the digitizer, you still have to find a way how to glue it back to each other, without making a mess.
I have already disassembled my HD2 with succes. I am going to HK anyway, so I going to buy replacement LCD + Digitizer and bring my HD2 with so I can fix it right there and check if everything works ok aigain.
If so, I xan ditch the iPhone. I hate it.
I've replaced the digitizer from my Samsung Omnia i900 and it turned out to be very easy, following the instructions I found on the internet and YouTube. I guess it's the same for the HD2.
Is the digitzer and glass surface seperable?
Because i can see what looks like a thin layer of glass from the bits of glass which has fallen off on the bottom corner where it took the hit. Or am i just looking at the edge of hte LCD screen?
And since the screen still responds as per norm.
Picture is linked below:
the best dissassembly video
here is the best video for the hd2
www dot youtube dot com/watch?v=cL-jnUKufC4&feature=related[/url]
and assembly here
www dot youtube dot com/watch?v=t8Q7mXdcJ54&NR=1[/url]
thanks mark
Couple of questions!
1972 said:
here is the best video for the hd2
www dot youtube dot com/watch?v=cL-jnUKufC4&feature=related[/url]
and assembly here
www dot youtube dot com/watch?v=t8Q7mXdcJ54&NR=1[/url]
thanks mark
Click to expand...
Click to collapse
Hi, thanks for these videos,, very detailed!
Have you got any idea about what she means by 'paste'? Is she just saying to connect A > B or is there some kind of adhesive needed? Also, have you got any links to buy some Mylar, OR do you think I could get away with reusing the ones removed?
By the way, I am going to try and replace the digitalizer in my HD2!
Thanks in advance!
There are 2 types of touch screen digitizers for HD2, you have to make sure you buy the right one. One needs to be soldered to the LCD flex, another plugs in. If you have a plug-in setup - you are in luck, if not - best to be left to professional, as it involves fine flex soldering.
Attaching the digitizer itself to the front housing is similar to that of Nexus and similar devices - 3M sticky double-sided tape is perfect, there is a 2mm one in a large flat roll sold everywhere.
Those who suggested the digitizer and LCD are fused together - wrong. Capacitive digitizers do not adhere to LCD and are attached to the housing itself with a free gap between the LCD and the digitizer.
I strongly recommend PROFESSIONAL INSTALLATION.
The best way of doing it is buying a ready assembly. Something along the lines of http://cgi.ebay.com/LCD-Screen-Touc...235?pt=LH_DefaultDomain_0&hash=item3f0b9f9463 It might be a bit more expensive than buying just a digitizer and attempting to attach it yourself, but you will save yourself a whole lot of trouble. AND it's still cheaper than $250 quoted somewhere above. Once you purchase the assembly, just familiarise yourself with HD2 disassembly/reassembly procedure and install.
Always buy a digitizer that is "OEM", even if it is used. The first digitizer I got for my HD2 with a smashed screen was shipped as 'new' from China, but when I got it, the quality was bad, because it was so cheap, and the screen would not recognize touch correctly..
Always be careful to check if there is anything caught on the middle frame when you take the motherboard out, because if you don't, you will rip something..
When I took my phone apart, I used this tape: http://cgi.ebay.com/3M-ADHESIVE-STI...652633?pt=PDA_Accessories&hash=item20baa9efd9 and it worked fine
enigma1nz said:
The best way of doing it is buying a ready assembly. Something along the lines of http://cgi.ebay.com/LCD-Screen-Touc...235?pt=LH_DefaultDomain_0&hash=item3f0b9f9463 It might be a bit more expensive than buying just a digitizer and attempting to attach it yourself, but you will save yourself a whole lot of trouble. AND it's still cheaper than $250 quoted somewhere above. Once you purchase the assembly, just familiarise yourself with HD2 disassembly/reassembly procedure and install.
Click to expand...
Click to collapse
Wish I saw this about 25 minutes ago, I've already purchased my glass for 30$ Shipped - I guess I'm in for a hell of a ride with this one.
I have an torn apart Samsung Vibrant.
I am no technician but have disassembled several other phones and found this is the hardest so far.
I leave you some pictures, it might help some one.
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Let me know if you need some info, I will have to wait a few weeks until my new parts arrive so the phone it's going to stay that way...
Replacement Vibrant keyboard ribbon cable here...
So I got a Vibrant and promptly broke the display, I'm not sure how I did it, perhaps I sneezed too loudly or something, it doesn't matter - of course I'm going to fix it right? I repair electronics to board level, perhaps 25% of my time is spent on surface mount digital circuits, so I figure how hard can a cell phone be right?
Wrong! Oh so very wrong, grasshopper.
The digitizer and screen are held together with such veracity that I was afraid of breaking the plastic bezel piece around the screen as I pried the two apart. Even with help of a heat blanket (used for softening plastic electrical pipe for bending) I was unable to pry the two apart with any ease. I spent a couple hours over a couple of days only to finally separate the broken glass from the bezel and back plane only to find that I'd also torn the control cable from the keyboard assembly!
I've been looking for this little 5mm wide cable with 20+ flexible traces for a while now - here it is for $14! You have to but two but who really cares!
Look on globaldirectparts dot com under Samsung-T959 part# SMSNG6085870 Navigator-Flex-Cable.
Let me know if you want my extra cable assembly. I'll sell it to you for the same price I buy it for plus shipping to my house and then dropping it into a padded envelope and sending it to your house....can't be much.
Oh what a glory day!
icansolvetheproblem said:
So I got a Vibrant and promptly broke the display, I'm not sure how I did it, perhaps I sneezed too loudly or something, it doesn't matter - of course I'm going to fix it right? I repair electronics to board level, perhaps 25% of my time is spent on surface mount digital circuits, so I figure how hard can a cell phone be right?
Wrong! Oh so very wrong, grasshopper.
The digitizer and screen are held together with such veracity that I was afraid of breaking the plastic bezel piece around the screen as I pried the two apart. Even with help of a heat blanket (used for softening plastic electrical pipe for bending) I was unable to pry the two apart with any ease. I spent a couple hours over a couple of days only to finally separate the broken glass from the bezel and back plane only to find that I'd also torn the control cable from the keyboard assembly!
I've been looking for this little 5mm wide cable with 20+ flexible traces for a while now - here it is for $14! You have to but two but who really cares!
Look on globaldirectparts dot com under Samsung-T959 part# SMSNG6085870 Navigator-Flex-Cable.
Let me know if you want my extra cable assembly. I'll sell it to you for the same price I buy it for plus shipping to my house and then dropping it into a padded envelope and sending it to your house....can't be much.
Oh what a glory day!
Click to expand...
Click to collapse
Did you try to replace just the glass? I thought the glass was glued to the digitizer? And you have to replace them together. Kinda like the earlier iPhones. I thought anyway. ?
I cracked my Vibrant in the first month. Nice. Its in the corner so I cannot see it when the screen is on. But its just bad enough too ruin my resale value and Tmo wont swap it out becouse of physical damage. Nice again.
Sent from my SGH-T959 using XDA App
Vibrant Display Repair
The OLED display and the digitizer / face are a single assembly it's true. The two of them are sandwiched together and bonded with some sort of resin along the edges. This assembly with processing electronics arrive as one piece. Samsung has kindly applied an extremely sticky glue to this entire assembly which in turn keeps it tightly held to the inner body assembly and trim bezel.
The only problem with this is that the flex cable connecting the keyboard (they call it the 'navigator') is stuck IN THE GLUE between these two items (the rear housing and the display) and from what I can deduce is nearly always going to be torn when one tries to separate the display from the bezel and inner backing assembly.
If you order a replacement OLED display be sure and order this flex cable assembly if you're interested in fixing your phone.
Cheers!
Yep all went well except for that cable!
So if you still have the 2nd, let me know. Screen works, but the bottom keys do not. Extremely frustrating!
I am certain that I'm getting the post syntax incorrect, let me know and I'll adjust it.
Anywho, I found out too late that when removing the black goo from the LCD's flex cable, you need to:
1. Heat it gently
2. Pull the goo from the INSIDE EDGE to the OUTSIDE EDGE.
3. Not break that paper-thin, fragile, incredibly tiny sliver of plastic that is the difference between an LCD that will turn on and an LCD that will not!
So, I managed to do none of these things. I went ahead and replaced the digitizer and tried various (failed) methods of mitigating the damage I had wrought, finding no help on the internet, only commiseration.
Tonight I had a flash of inspiration, and what the heck, it worked. I carefully used a needle to separate the tiny wire tips protruding from the clamp (my poorly-considered sideways goo-removal bent a few until they touched each other) while wishing I had a microscope, then I prepared a short length of PLASTIC DRINKING STRAW, folded it in half lengthwise ("long-ways"), and gingerly placed it beneath the overlying digitizer cable so that it compressed the LCD cable against the contacts beneath. I put the phone back together, and here I am today.
Now, I probably should have laid a bit of tape over this so that it won't shake free. I'll wait until it shakes free to do that, then report back.
I fully expect this post to elicit discussion of the dozen ways in which to better achieve this repair, and why my method is the worst of the bunch.
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I guess yours isn't the worst fix!
moktarino said:
I am certain that I'm getting the post syntax incorrect, let me know and I'll adjust it.
Anywho, I found out too late that when removing the black goo from the LCD's flex cable, you need to:
1. Heat it gently
2. Pull the goo from the INSIDE EDGE to the OUTSIDE EDGE.
3. Not break that paper-thin, fragile, incredibly tiny sliver of plastic that is the difference between an LCD that will turn on and an LCD that will not!
So, I managed to do none of these things. I went ahead and replaced the digitizer and tried various (failed) methods of mitigating the damage I had wrought, finding no help on the internet, only commiseration.
Tonight I had a flash of inspiration, and what the heck, it worked. I carefully used a needle to separate the tiny wire tips protruding from the clamp (my poorly-considered sideways goo-removal bent a few until they touched each other) while wishing I had a microscope, then I prepared a short length of PLASTIC DRINKING STRAW, folded it in half lengthwise ("long-ways"), and gingerly placed it beneath the overlying digitizer cable so that it compressed the LCD cable against the contacts beneath. I put the phone back together, and here I am today.
Now, I probably should have laid a bit of tape over this so that it won't shake free. I'll wait until it shakes free to do that, then report back.
I fully expect this post to elicit discussion of the dozen ways in which to better achieve this repair, and why my method is the worst of the bunch.
Click to expand...
Click to collapse
Apparently, it's not such a bad idea after all! I'm just wondering how to adapt it to work on an EVO 4G. There's no ribbon to put it underneath, but I get the idea... one would think those incredibly thin/weak plastic clamps (which should be relatively simple to replace) could be purchases for 10 to 100 times what they are worth (say, $3USD?) and problem solved. I put an HD2 screen in an EVO 4G, worked fine, until I didn't glue it in properly, and it popped out. My g/f brought it back to me, saying that I needed to fix it right! I went back in, and that damned wide flex ribbon cable, just the angle I was at, along with my son jumping about the table I was working at, I inadvertently broke that clamp, in three pieces! Damned frustrating too! I gotta get me a dedicated desk for my PC/CELL/TV repairs... with lights, magnifying glass, and a locked door...
Well folks, I have outdone myself today. I was digging through my old tech to harvest the buzzer motor out of an old Boost Mobile Motorola i425 phone. After ripping it apart for the motor, I decided to pick through the rest of the parts to see if there was anything worth keeping (I bet you know where I'm going with this by now), and after harvesting the speakers, I noticed that the LCD cable looked suspiciously similar to the one on my poor Droid X.
3 hours later, I have fully repaired my Droid X. It was pretty tricky though, but I discovered that if you bend the metal bits at either end of the connector down, you can slide the clamp in and then bend them back upright.
Parts reuse FTW! Thanks Motorola! i425's are apparently $5 on eBay now, btw.
You saved my life (and the one from my Sensation). Such a simple and working idea! Thanks!
So I have a new Nexus 4 screen that has the top corner cracked and with an air bubble underneath. (See attached photo)
What is the best way to repair it cheaply? Do I need to replace just the glass or the digitizer or both? And should I use a chinese one? I was looking on ebay and the OEM digitizer is $60 while the Chinese one is $15. My guess is that the Chinese one doesn't use Gorilla Glass, right? So it breaks with any impact?
Does anyone have experience with this? I'm located in Montreal, Canada.
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montrealguy said:
So I have a new Nexus 4 screen that has the top corner cracked and with an air bubble underneath. (See attached photo)
What is the best way to repair it cheaply? Do I need to replace just the glass or the digitizer or both? And should I use a chinese one? I was looking on ebay and the OEM digitizer is $60 while the Chinese one is $15. My guess is that the Chinese one doesn't use Gorilla Glass, right? So it breaks with any impact?
Does anyone have experience with this? I'm located in Montreal, Canada.
Click to expand...
Click to collapse
If your lcd works fine then replace the digitizer, but you need to use the heat gun to separate them. If you aren't super delicate with that, you can damage the lcd easily. I think you might also need LOCA glue to glue the new digitizer to lcd, and UV light to dry it (not too sure about this tho).
I honestly don't know what's the difference between chinese and oem. If chinese isnt gorilla glass (tempered glass) it can get scratches easier, but both will propably crack on (hard) impact. As far as I know gorilla glass is scratch resistant not crack resistant.
Take a look at this video, it shows you everything you need to replace the digitizer. They also sell N4 digitizers and all other stuff you need to replace the digitizer, theres more info below their video.
There is also LCD Separation Machine maybe you have some local guys who might let you use this device?
Please note that I'm telling you all this from what I know and I dont have any experience changing digitizer/lcd on N4. And I could be wrong.
Please keep us updated, what you did/bought...
Thats bad. You gota have it changed. I think youd have to get a new panel if im not mistaken..
Don't try and change just the glass, result will most likely be terrible. Replace it with full frame assembly.
@montrealguy
I recently replaced my screen assembly with the bezel for just under $60 (USD) off eBay. Replaced the battery while I was at it ($20). It's actually quite easy to do, at least relative to other phones. You can find a youtube video or a teardown tutorial off ifixit.com. I'm sure all I needed was a new digitizer, but I didn't want to mess around with all that, spend money on the extra equipment (heat gun, glue, etc), and I doubt my results would have been good. You can get just the screen assembly for $45, but IMO it's better to buy the whole thing with the bezel. Less work, less chance of screwing things up, and the entire front of your phone will look brand new.:good: If you don't have one, or the vendor you buy the assembly from doesn't supply one, get a T5 TORX driver while you're at it, and a tiny phillips (No. 0 or No.1) screwdriver.
I did run into one problem, and one that seems to be a common one. When reassembled, the proximity sensor was reading "near" rather than "far" (using a sensor diagnostic app). The result is that the screen immediately goes off and unresponsive when making a call, as though it was up to your ear already, and you can't hang up. The solution, stupidly enough is to put the rubber gasket piece that goes over the prox/light sensor unit on backwards (big hole over the little sensor, little hole over the big sensor). Try it correctly the first time, and if that doesn't work, put it in backwards. You don't have to completely reassemble the phone, just swap everything over to the new assembly, plug all the thingies (I don't know what they're actually called) back in, and swap the button boards over. Probably put the few screws that go around the sensor in to make sure that part is tight. Turn it on and run a sensor detector app.
If you have any specific questions, let me know; I probably took apart and reassembled my N4 twenty times trying to fix the proximity sensor issue, so I'm well versed in the guts of this phone now.
@Planterz could you post the eBay link where you got your screen assembly from please
Sent from my Nexus 7 using Tapatalk
Doo Doo said:
@Planterz could you post the eBay link where you got your screen assembly from please
Sent from my Nexus 7 using Tapatalk
Click to expand...
Click to collapse
http://www.ebay.com/itm/OEM-LG-E960...e_Replacement_Parts_Tools&hash=item23349c472f
No tools were provided. I already had the appropriate screwdrivers, and to split the case apart, I used the fingernail cleaner on a Swiss Army Knife. You might want to get proper cellphone repair tools though (they're plastic, and shouldn't damage anything). If you have a hairdrier or something that can heat it up to soften the glue, it should make things easier, but I didn't have any problems without that. Just go slowly. Don't pry too hard, or you might crack the back glass. A plastic knife (the white, flexible kind, not the clear, brittle ones) could work.