Well, the time is fast approaching for me to put a different ROM on my angel.
The problem: My digitizer is cracked. As most of you you, this throws off the screen in a Bad Way(tm). The touchscreen does work well enough for me to make use of 90%-99% of the phone's functionality.
Repairing it is something that I do not think I can do (I took it apart last night to find that my LCD assembly is the Sony and that I lack the tools to replace the glass alone), and there isn't anyone locally that I am aware of that could repair it.
So, is there a way that I can pull the current screen alignment data from the existing ROM (older Helmi) and put it into the new ROM (Xplodes' kitchen, or the new one from Helmi due in a few days).
Anyone?
Bah, never mind, I apparently didn't dig far enough in the forum to find the answer.
Now to see if I can flash the new ROM from the SD card (data cable is busted)...
Related
Here's my story:
I recently bought this phone for only $125 - not bad deal if you ask me. I knew from the beginning that the screen was a little mess up, even the guy I bought it from knew that. You would need a flash light in order to see what was on the screen. From any other point of view, it's just totally dark/black. So the guy was gracious enough to include a new lcd screen which he ordered to replace the old one. So I decided to undertake the task of putting it in myself. Once that was all said and done, I powered the tilt up and it was doing the exact same thing before I put the new lcd screen in, which was not lighting up the screen and it was still very dark to see anything.
With a flashlight, you can see that it's still working and the touchscreen works fine too. I think another person posted a thread with the same problem, but no one really replied back to him. Has anyone come across this problem before? Some have said that it's the flex cable that connects to the front d-pad and lcd screen itself is the cause for the back light issue. Any suggestions out there?
If I were you I'd try to figure out the pinouts for the LCD panel. Try to see if the Kaiser is outputting the necessary voltage for the backlight. Also try the opposite and apply voltage to the LCD to test the backlight.
Unless it is 2 back LCDs, I'm assuming there is a fault somewhere internal and not turning on the backlight.
I've never taken my tilt apart, but this is where I would start.
I wouldn't know where to begin to troubleshoot a device like this. Lol! It's fairly easy to take apart - there's actually a video on youtube that takes you step-by-step. I guess this isn't as common as some problems are, but I don't want to spend money having someone else fix something that could be so minute. And prices for some of the replacement parts are almost as expensive as what I bought the phone for.
When I took my tilt apart, physically, everything looked good from what my eyes can see. A little cleaning here and there, nothing major. The guy who had it before me flashed the rom to try and make it look like it had touchflo on it so I reflashed it back to the original rom software (or at least, whatever was on the HTC website). I tried doing hard resets, soft resets, rom flashing and everything, still no luck.
Hi there, I know there are other threads on this, but I've got two questions;
I might be able to claim a repair on insurance - the policy doesn't state anything about rooting voiding it, but I'd want to play it safe and flash back the original RUU - now, the digitizer works on my phone, but the LCD is totally shot, can't read anything.
It's been a while since I flashed the RUU, so is there any point where you have to press a button or something on your phone to advance? is it possible to use ddms while flashing the RUU to see what you're doing?
Also, if I can't claim this on insurance, how hard is it to replace the screen yourself? I've seen a "genuine" (hmm.) LCD/tools set on ebay for about the same amount as my insurance excess, so this seems like it could work (if it's easy enough!).
Thanks!!
laughingcavalier said:
is it possible to use ddms while flashing the RUU to see what you're doing?
Also, if I can't claim this on insurance, how hard is it to replace the screen yourself? I've seen a "genuine" (hmm.) LCD/tools set on ebay for about the same amount as my insurance excess, so this seems like it could work (if it's easy enough!).
Thanks!!
Click to expand...
Click to collapse
I've not done it personally but I have seen the guys in the phone shops doing it.
It's not that hard, but you have to know what and where to remove. Just go slow first.
pardon this but what is ddms?
Hi,
I have flashed RUU for my Tattoo at least twice. And as far as i remember there is no point you have to do anything on your phone. It will reboot (into fastboot i think). You will se progress on computer screen.
By the way, how can the LCD be broken and the digitizer not? Is the lcd shattered?
This is against laws of physics!
Oh, maybe I got the letters wrong but ddms is part of the android sdk, so you can take screenshots on your computer - also handy if you've broken your screen and need to know where to press.
As for defying the laws of physics, I guess the Tattoo is more special than we thought! the lcd is showing up loads of black/white cracked patterns (but a small it at the bottom works, so I can just about make out my dock. )
Thanks, insurance guys seem to be a bit more helpful now, so hoepfully won't have to resort to doing it myself.
Just in case anyone else has this problem, found this nice photo-guide to unscrewing everything: http://translate.google.com/transla...acenter.ru/razborka/htc_tattoo/&prev=_t&twu=1
haven't got round to it yet, but should do after exams.
Thanks useful info.
I have opened and dismentled everything my tattoo 3-4 times refering the guidlines. It is really helpful.
I was trying to resolve a touch screen problem. My phone acted like something is always touching at a point of the screen, so, I couldnot able to select a thing correctly and it is worst while typing using screen keyboard. So, I disassembled my tattoo and clean everything inside and assembled again. It seems working correctly for few hours then the problem reoccurred. And I disassembled again and again.
Atlast, I found out the problem was just on the screen protector, I have removed it and resolved the problem. Funny problem but it is worth all those efforts.
Bad Digitiser
Recently the Digitiser of my phone went bad. I tried flashing back the Stock RUU but did not succeed since it was not able to detect my phone. Then I just flashed back the backup of the stock ROM and took it to the Service Center. To my surprise the person didn't even check whether the phone was rooted lr not. Since it was out of warranty I still had to pay I still had to pay $45.
I have been trying to repair this phone, but the usual faults have not turned out to be the problem. This is the background on the repair efforts:
In my research I found 3 main causes for a dead touch screen.
1) Corruption of system software.
2) Failure of digitizer cable (hinge FPC)
3) Failure of digitizer screen (touch panel)
To check for #1, I flashed the firmware again (after a wipe). I downgraded to Android 1.5 because I wanted to root the phone and install CyanogenMod Android 2.2 Froyo.
This was a big mistake because I learned that when you don't have a working touch screen, you cannot get past the "Touch the Android to Start" screen.
So on to step 2 - replace cable (hinge FPC). I have a G1 parts phone that was lightly used in good condition before it was damaged. There was no damage to the sliding section, so I expected the hinge FPC to be in good condition.
So I installed the hinge assembly with its hinge FPC from the parts phone, but this did not work either.
So next I installed a new touch panel (digitizer screen), but that did not fix the problem either.
I had a chance to borrow a working G1 motherboard, and I was surprised to see that the phone was working with the borrowed motherboard.
So my question is whether my problem motherboard can be recovered with a software solution, or if these symptoms indicate a hardware failure.
I thought that a wipe followed by firmware flash would eliminate all soft system errors, but I am not sure if the wipe and flash really erase absolutely everything, or if there is something else I need to do to get it working again.
Thanks.
more than likly it was the point in the motherboard where the flex cable connects. try using some electronic parts cleaner.
i have ran into this a few times and simply replacing the motherboard has only helped a twice, when i cleaned it up it worked.
That sounds reasonable. I still have some Tweek. I'll give that a try. It worked with the same kinds of problems on computer sockets.
Okay. You are on the right track. When I went back to the phone, I actually got two taps out of the screen, which it hasn't done in a long, long time. (I was running keyboard only for a long time before I could take it down to fix it.) I attribute that to just disturbing the contacts with so many assembly/disassembly efforts.
After I applied Tweek to the joints, it ran well.... for about an hour. Trying again was no luck, so I don't think I'm going to mess with the contacts anymore. By the time you figure how infrequently motherboards come up for sale and the cost, I think I'd do just as well with a trade in on a flat-rate repair.
But at least now we know for the record that there is another cause of dead touch screens.
well i have about 13 motherboards, if your interested let me know
Thanks. What has been your experience with changing motherboards?
The reason I ask is because the service manual wants the phone to be tuned again after a motherboard swap. I see a lot of people changing motherboards, and I can't believe that is much of a problem when you don't see anyone complaining about the phone not working well afterwards.
A spare motherboard might be a good idea for a diagnostic tool. It would have saved me a lot of work changing the touch panel and cables if I would have had a motherboard to try first.
I thought I had a good spare in a damaged phone, but when I took it out the other day to test this phone, I found out it had physical damage too. The SIM holder and RF shielding were dented, but the killer was that the daughterboard cable connector was bent.
I suppose back when the phones were $900 you might try to fix something like that, but it's hard enough to do a connector swap on a computer motherboard. I can't imagine that even the factory has the equipment to properly swap the connector even if you can get the part.
How much do you want for a motherboard? On that famous auction site I've seen them go for around $10 to $30. I could kick myself for not buying the last one I saw at $7 because I thought I had a spare.
[Q] Milestone digitizer replaced, but new one has problem with "calibration"
Hi!
I got a two year old Milestone on which the digitizer started to act up a while ago, with random clicks (seems to be referred to as "ghost" clicks) and touches everywhere, pretty unusable. After buying a new digitizer on ebay and replacing the old one, all those problems are now gone!
However, I do still have touch problems. It seems a few percent of the top and the bottom is unreachable. Input is registered, but at the wrong location. The bottom "buttons" (which is via digitizer as well?) works fine however!
A video of it says it all:
ht tp://ww w.youtube.com/watch?v=YNGcpAMPfUQ
(added some spaces to get around spam filter)
To me, this looks like some kind of calibration error... Not sure if that is applicable though.. Cannot find any kind of references to this on either this forum nor anywhere else.
Now, I've tried the following:
* Going back to stock firmware
* Clean CM7 (which is what I used before)
* Wiping all caches & resetting everything
Nothing seems to help. I can not find any calibration tools or anything either..
Any hints?
Thank you!
ermtv must
While waiting for a re-shipped item from the ebay seller (paid extra shipping only), the digitizer magically started to work again!
Not really sure how or why, but after leaving it powered up but idle for almost a week, the upper part of the digitizer was fully functional! The lower part was however still non-functional exactly like the video shows.
For some reason I got the idea that all this was somehow heat related; it had been lying in a relatively warm, closed off room during this period. So, I put the lower, still non-working, half of the digitizer (still powered on) a few centimeters below a regular desk lamp, applying some heat to it. I left it like this for an hour, and when I pulled it out, it was working flawlessly! Has now been working fine for ~2 weeks.
Just thought I'd post this here in case anyone else has the same problem.. There has to be some kind of manufacturing problem with this one, not being glued together properly or something.. At least I got an extra digitizer now as spare, in case this one gives up again
Hello guys! Saddly for me my touchscreen stopped working but the thing is that i bought a new screen assembly but i still have the same problem and the same spot doesnt work (on the digitzer, lcd works perfectly). I really dont know what to do i have tried to google my problem but people always solve there problem by replacing the screen and i did the samething and still nothing. I'm running the latest stock rom from at&t now but i have tried to flash viper rom and cleamrom, etc... but i have gotten the same result
i tought that it could be the digitzer connector on the motherboard but it looks new so i cant find the problem...
To be more specific the spot thats shown on the image does work but when i touch it, it shows that iam using 2 fingers when iam only using 1 its really anoying when i use the keyboard. When i touch that spot, the phone starts to select things arround the "dead" spot.
My apologies if i have made some dumb mistakes in the text, i'm from belgium so english isnt my mother laguage.
IF theres no liquid damage.
The phone was working just fine, then mysteriously stopped working in one spot. I would guess replace digitizer (aka glass) But if replacing glass has yielded the same result. Now it gets tricky. Now its either a board level issue or a problem with the Kernel interfacing with its hardware.
Since not a stock device and has been rooted with custom ROM its possible those software mods might have affected it.
My suggestion is do your best to go back to completely stock and hope for the best.
IAmSixNine said:
IF theres no liquid damage.
The phone was working just fine, then mysteriously stopped working in one spot. I would guess replace digitizer (aka glass) But if replacing glass has yielded the same result. Now it gets tricky. Now its either a board level issue or a problem with the Kernel interfacing with its hardware.
Since not a stock device and has been rooted with custom ROM its possible those software mods might have affected it.
My suggestion is do your best to go back to completely stock and hope for the best.
Click to expand...
Click to collapse
Thanks but iam already on stock i have used RUU to reset the phone, same result. And liqued damage is possible any idea what would help?
Or is it possible that the connector on the board is broken?
As you start to eliminate your possibilities the fixes become more difficult.
If your back on stock everything and still bad then its going back to board level stuff. Meaning the connector on the board or something along those lines.
If thats the case then the fix is near impossible.
Might want to get a good strong magnifying glass out and see what you can find.
IAmSixNine said:
As you start to eliminate your possibilities the fixes become more difficult.
If your back on stock everything and still bad then its going back to board level stuff. Meaning the connector on the board or something along those lines.
If thats the case then the fix is near impossible.
Might want to get a good strong magnifying glass out and see what you can find.
Click to expand...
Click to collapse
ok i will see what i can find, and thanks for your assistance.
Did you ever find out what it was?
My HTC One has a 1/4" section that doesn't respond to touch at all.
Hi
I have the same problem in my HTC ONE E9 PLUS where a longitudinal line along the screen does not respond. Does anybody find a solution for that please?
Davideoo said:
Hi
I have the same problem in my HTC ONE E9 PLUS where a longitudinal line along the screen does not respond. Does anybody find a solution for that please?
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Click to collapse
Most likely a faulty digitizer, replace your lcd assy.