Keyboard lights will not deactivate, where is slide sensor? - G4

My old Wizard recently received touchscreen damage so I tried to replace it with one from eBay. Unfortunately they sent me the wrong one so I just reassembled it. Not a big deal except for some reason the keyboard lights are on permanently whenever the phone is powered on.
In fact, if the phone is powered off and charging it still comes on.
The screen still has correct orientation for keyboard slid out or in, ie it will switch between landscape/portrait properly. But the lights will not go off!!
Anyone know where the keyboard slide sensor is? It does seem a mystery, I can't see a switch or even a magnetic sensor, how does this device know when the keyboard is open? Also I heard the keyboard backlight is hardware controlled, that doesn't bode well, does it

Well, the lights are indeed hardware controlled, which does bode HORIBBLY for anyone wanting to STAY lit for more than 10 seconds...much less for someone that has them on all the time! Sounds to me like you have a hardware problem though man....perhaps try to locate a new mobo or keyboard section, they are not that expensive and see if that fixes your problem.

Related

[Q] light sensor broken?

Hi guys,
Ill start with saying that my english is veryy bad
But my problem is:
I quess my light sensor on my hd2 is almost defect.
why?
When i start a call (or got an incoming call) the screen turns black
(as its suppose to be when you hold it to your ear)
But it turns black all the time, no matter how i hold it.
So i did a quick test, i called a number, and took a very bright light (100w) just next to the sensor. and after that, it doenst turn black for the first time!
So the sensor isnt working correctly anymore?
It is since my telephone has gone back to the shop for a new screen.
Can i make it better with software? Cause it works.. But only with a very bright light.... Or do i need to get back to the shop?
thnx
try a soft reboot and then if needed a hard reboot/factory reset. don't forget to back up the phone first as it wipes the phone
Sorry, i was forgotten to say:
Ive tried different roms, and even Android. Results are always the same!
That is an odd problem. Especially since the ambient light sensor is not what is used to black out the screen during calls. That would be the proximity sensor.
If you look very carefully just to the left of the speaker at the top of the phone you will see the proximity sensor. Do you have a case on your phone that may be blocking/interfering with this sensor? Do you hold your phone in a way that your fingers or hand may be close to this sensor?
Another thing to try is put the call on speaker phone, this should disable the proximity sensor and keep the screen on. If it does not then you may potentially have a hardware issue.
I haven't got something blocking the sensor. But because my screen was broken, they placed another one. (And since then it happend)
Ok, i did some tests..
I cleaned the screen very proper. And i was sure there was no spat of dust or whatever. so i called again.. And it worked properly!
But.. When i put my finger on the sensor.. (So its not 100% clean anymore) it turns black again. So its veeeeery sensitive..
When i turn on the speaker.. It doesnt turn black..
So conclusion:
It turns back way to fast. Only when the screen is 100% clean, and there is enough light in the room.. It works properly..
Aren't there any settings for windows or android to change the sensitivity? Cause this is very annoying..
Aren't there any settings for windows or android to change the sensitivity? Cause this is very annoying..
Click to expand...
Click to collapse
Not that I'm aware of. It sounds like they didn't do a proper job of replacing the screen. The ammount of light in the room should have no impact on the screen turning on/off. Also, my screen is often quite filthy and I've never had that trip the proximity sensor. It is possible that the sensor was moved or misaligned during the repair.

Screen Stays Off After Call HELP!

Hey, I'm currently using CyanogenMod 6.1.1
In the past week when I am on a call, and I take the phone away from my ear, the screen does not turn back on.
This means I cannot disconnect the call or call anyone or do anything.
It remains off even if I press the power button, volume buttons or circle button.
If anyone has any ideas on why this is happening or how to fix it I would really appreciate it, Thanks!
It's the proximity sensor. Did you replace the screen recently?
Sent from my Liberty using Tapatalk
Yes I did, I thought I did so correctly but I guess not.
Any idea what could be wrong? Is there a software setting I could set it to just look at orientation not proximity sensor??
You didn't install the tiny rubber cover for the proximity sensor, it won't work properly without it.
You can either fix this or someone posted a hack to disable the sensor a while ago on here. Search for it.
Sent from my Liberty using Tapatalk
I am currently having this problem, and in the process of finding a replacement for the rubber cover... I just wanted to post a TEMPORARY work around for anyone that runs into this problem:
If the phone is set to keep the screen awake while charging, plugging in the phone (USB or AC) will return the screen after a call. You must have the phone unplugged first (making a call while charging requires unplugging the phone, and then plugging it in again)
Hope this helps anyone with this issue
There's also a temporary fix that you might find useful: just hold it up to a light. Flash the light in the top right corner. Doesn't matter whether you hold it under a lamp, use a flashlight, I even use my bic lighter to activate it. The screen will then turn on again.

[Q] Proximity Sensor during phone call

During a phone call, my proximity sensor doesnt seem to be sensitive enough. The screen turns off when I hold it to my ear, but when I pull away to look at the screen and interact with it, the screen either doesnt turn on or it will flash on and off again repeatedly. It seems that the phone cant detect that it is not near my head any more and should turn the screen back on.
Generally it wouldnt be a big deal since the screen does turn off when its held near my head, but when I needed to use the dial pad for a menu prompt it got really frustrating when trying to press in numbers with the screen switching on and off. (I just called Verizon CS recently and navigating through the menu was a pain with this screen going on and off).
I'm coming from the Samsung Charge which was very responsive: when you pulled the phone away from your head, the screen instantly turns on for you to press in keys or hang up. With the Rezound, it doesnt turn on most of the time and I have to press the power button (which will turn it on and then automatically off again...). The problem is alleviated if I'm in a very bright place (direct sunlight) so my guess is that the proximity sensor may not be sensitive enough to detect the difference between darkness and low lighting conditions. I'm sitting in a room with a 26W CFL lamp (so not too dark) and the Rezound has trouble turning the screen back on during a call when I pull the phone away from my ear.
Was wondering if anyone else exhibit this condition or if its just specific to my device (in which case I'll have to give Verizon a ring to get another replacement)?
I'm having the opposite problem. It unlocks itself a lot up against my head. My thunderbolt did this so bad I got a replacement thinking it was a defective proximity sensor. But it wasn't and I got in the habit of manually locking the screen on calls. But now my rezound does it but not as bad. I think htc sucks with proximity sensors cuz auto brightness is never programmed properly. It doesn't go dark enough compared to Samsung and motorola phones with auto brightness on. It only has about 3 brightness levels like in the HTC brightness widget, whereas stock Android has 5.
Sent from my ADR6425LVW using XDA App
I'm having the same problem. The sensor would force the phone screen off as soon as I make a phone call. The verizon rep had me hard-reset while I was on the phone with her. The same symptom arises after the hard reset and the phone is brand-new.
I had to reset to get her to send me another rezound replacement.
On this replacement, however, I'm having the same issue again. My gf's rezound doesn't seem to have the issue.
I'm having a second replacement sent now. This is pretty annoying.
The interesting thing is the issue comes and goes. One day the sensor wouldn't respond, and other days it works fine. Although I would say that the issue deteriorates over time and never improves.

[Q] [HELP] Xperia Mini Pro Broken Screen

Hello! So my Xperia Mini pro has been broken, it doesn't show any image anymore, I think there is a problem with the screen but I want a confirmation or recommendation to find out what the problem is.
First the screen "touch" capability stopped working, and then two weeks after that, the back and option buttons stopped working too. And a week after that ,there was like a screen "flickering" (I tried to recreate the problem in the attached image) when I tried to either open or close the slider.
Finally the screen stopped working anymore. I tried to connect the phone to the PC but says that windows cannot recognize the hardware. And there's one more thing: I can turn on the phone, it vibrates, but the keyboard lights seems that are not working, they are permanently off.. and when I try to Increase the volume it doesn't sound either... There is only the black screen and a backlight.
Please Help me to find out what is the problem, I'm thinking to buy a screen replacement on eBay, but some people told me that is the "flex" cable. I'm not sure if there is a fix for my phone's problem.
Thanks!
Hey there.
Based on my experience, yes, your problem is most likey a flex ribbon issue. Your flex has been ripping apart lately, causing many of its wires to break. This can cause a lot of unpredictable problems, such as a misbeheaving notification LED, inactive ambient light sensor, or "dead" display/touch digitizer. Your problems have gotten worse over time, which is clearly a symptom of a broken flex.
You phone is no longer booting up to android because the kernel no longer detects a proper "response" from the display driver and halts the bootup. This is why you can feel the phone vibrating when pressing the power button, but nothing else happens. Your screen assembly is fine, I can assure you that, unless your glass is broken, of course.
Here's one hell of a good teardown guide: http://www.ifixit.com/Teardown/Sony+Ericsson+Xperia+Mini+Pro+SK17i+Teardown/7275
I used that very same guide when I repaired my own xmp. I regret messing with my screen assembly because I destroyed it and had to buy a new one, which is costly
Thank You so much for the advice ! Now I'll try to repair it, It doesn't seem too difficult. Thank You Again!!!

Second screen not staying on

I have the setting enabled to keep the second screen on when the main screen is off, but the screen still shuts off with the main screen. Any ideas? I tried switching the setting off & back on again, and also tried a factory reset, but it still shuts off with the main screen. Since it never comes on while the main screen is off, I don't see any notifications or anything.
I talked to T-Mobile support & they were no help, and I'd hate to have to exchange it for another phone.
If the ambient light sensor is covered or blocked it turns off
Yeah, it's actually a smart idea. No need for the screen to be on when it's face down or in your pocket. It comes back on pretty much as soon as you'd be able to check for notifications and such anyway - not an annoying delay at all.
LancerV said:
If the ambient light sensor is covered or blocked it turns off
Click to expand...
Click to collapse
This is all the time. The ambient sensor is working normally when I have auto brightness enabled, but the second screen only works when the main screen is on.
Did you ever get this resolved ? I have the same issue
I solved this problem by checking PINs on mainboard for the second Flex Cable for LCD of LG V10, see the video, READ comments here https://www.youtube.com/watch?v=hpeVAqgU94s, so in my case one of three PINs was folded little, so one PIN contact didn't touch the second Flex Cable and this caused the problem...

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