Develop Bugs

Missing Ribbon/Flex Cable?

Ok so long story short, I dropped my phone, bought a new digitizer and front bezel/housing, and replaced the 2. Now when I was putting it all back together I noticed that it was missing the ribbon cable that attaches right next to the trackpad. I double checked EVERYTHING and did not see this cable anywhere. It is the cable that makes the front speaker work and the touch sensitive buttons light up.
Was there something I missed, did I not buy everything? Every place I went to and video I watched said nothing about having to buy an extra ribbon cable. It's not a crazy nuisance, but I would really like to have the whole phone working how it is supposed to, it's annoying to always have to have it on speaker phone.

Xperia Play digitizer or flex cable problem?

Hi guys i have a problem
I can access different function through the MANUAL KEYS like settings, wireless , sound , display, and all the programs, but digitizer itself seems to be frozen.So i was wondering what is most common problem for that i presume flex cable or digitizer but digitizer is in good condition so what can it be ?
So cable 1 or 2?
1.http://www.ebay.com/itm/SLIDE-SLIDE...246?pt=LH_DefaultDomain_0&hash=item1e708e88f6
2.http://www.ebay.com/itm/New-Replace...363534?pt=PDA_Accessories&hash=item1c299ee54e

I had damaged flex cable, and touch screen was still working, but screen was showing TV static all the time.
PS: This link
http://www.ebay.com/itm/SLIDE-SLIDE...ultDomain_0&hash=item1e708e88f6#ht_1606wt_952
Second one is analog touch cable.

To me digitizer doesnt work but analog works ?Which cable is that?

anyone?

whenever I slide out my gamepad my phone does not change the screen mode from portrait to landscape, neither does the xperia play launcher starts or the screen gets unlocked.
sometimes the screen automatically changes the screen mode from portrait to landscape as if the gamepad has been slid out when it isn't.
also games like PES 2012 don't detect the gamepad anymore used to work earlier.
what is the exact problem?
I asked a local mobile repair shop and he says strip of slider (flex cable) must be changed but it isn't available anywhere in my area. if this is correct then I may order the flex cable online.
what do you guys have to say?

To the OP:
My replacement glass+digitizer didn't have adhesive behind the connector like the original so every time the phone would take a hit the screen would go blank. I'd have to take it all apart and reseat the connector. Sometimes the cable that connects to it would twist out a little bit on its own during reassembly and I'd have to do it again. Not I use precisely cut tape or hot glue when I do one (careful of the slide rails). Though my problem usually manifested as a blank screen, twice it manifested as an unresponsive digitizer.
I'd check my connection first.
bodygaurd said:
whenever I slide out my gamepad my phone does not change the screen mode from portrait to landscape, neither does the xperia play launcher starts or the screen gets unlocked.
sometimes the screen automatically changes the screen mode from portrait to landscape as if the gamepad has been slid out when it isn't.
also games like PES 2012 don't detect the gamepad anymore used to work earlier.
what is the exact problem?
I asked a local mobile repair shop and he says strip of slider (flex cable) must be changed but it isn't available anywhere in my area. if this is correct then I may order the flex cable online.
what do you guys have to say?
Click to expand...
Click to collapse
I responded to your PM. Yes, all the parts involved are available online. The slide board has two metal fingers inside a rail/slot that the bracket joining the two halves slides in. I don't know what the second one is for because all functions seem to react to the first one making or breaking a connection, but it could be causing the problem just as easily. These springy conductive fingers connect through the same flex cable as the switches that the face buttons press (Back, Home, Menu, Search) using some kind of conductive adhesive backing. That part is only a few bucks online, so it may be worth replacing just that to see. Unfortunately, the slider assembly is expensive (at least $20) but the slider + earpiece/camera + slide cable + switches is a comparative value at only a few bucks more.

[Q] What is the purpose of the front camera flex cable?

Recently, I disassembled my Sony Ericsson Xperia Play R800at. I was replacing the housing and digitizer. All went smoothly until I missed an important step. There was a black tab that holds down the flex cable that connects to the digitizer. I forgot that step and my flex cable ripped.I have ordered another as a replacement. I understand that this will cause the digitizer to not work, but I have more issues, and I want to know if they are due to the missing cable.(the ripped flex cable.) I assembled the phone and the screen functions normally. As to be expected, I can't interact with the screen. However, Now my search button and settings buttons aren't functioning. My home and back buttons are working although. Also, My phone will not charge anymore. Is this due to the missing flex cable? I hope I didn't accidentally screw anything up. I was really careful, so I don't know why they won't function. I really hope that these issues are due to the missing cable. :silly:
Sorry, I am not allowed to post links.It has the camera and earpiece on it and is attached to the slider. :"(

How. Could u miss a step itsm really easy to take apart and put together its the flex cable garunteed
Sent from my Sony Tablet S using xda app-developers app

Tutorials
Most of the tutorials seem to be only of disassembly. Little to none are of reassembly. I wrote down a list and reversed the order, but as it got closer to assembly, I started to assemble it myself. Big mistake. I assumed the black tab was only there to hide the chips.

Charge Recognition
It actually can charge, but only when the phone is powered of. This must be due to the missing components. Maybe because some parts of the phone aren't connected, the phone will not recognize the charger when powered on. What a relief...:angel:

Just watch dissassembly in reverse
Sent from my Sony Tablet S using xda app-developers app

I got the replacement part. I even replaced the slider. I transferred the button cable to the new slider along with the main flex cable and the camera/earpiece flex cable. I am confused. I am inserting the flex cable into the digitizer slot, but it isn't working. I assumed there was a lock mechanism of some sort, but still no luck. I am not sure why it isn't going all the way in. Reversing the steps just isn't working. Placing the flex cable in is way harder than taking it out. Is there a certain way to place this cable in. What I am in need of is a picture of how a functioning digitizer's attachments look. Are you supposed to be able to see the golden tip of the flex cable?(Again, I am speaking of the flex cable with the black tab covering it. It is very small.)
:crying:

Lock.
There were locks for just aboul all the ZIF Connectors. Sony Ericsson's manual is the best!:good:

I tried again using the locks on the slots but it still wont work. Even with the manual, no luck... Now, it is charging normally, even while on. This indicates that something has changed. I wonder why the digitizer isn't working though. Maybe I should see what happens If I revert back to my old digitizer...

Screen not responding inc. capacitive buttons after flat cable replacement.

Hi all,
I just replaced the flat cable of the phone, the one that connects the two phones parts together. The phone was having issues with the display when going to landscape-mode and the mic stopped working recently so I replaced it following this guide:
Anyway the display problem is solved by replacing the faulty flat cable but only a new problem occured.. The screen does not respond including the capacative buttons and the big scroll button, its looks like the whole display unit with all its buttons is not working. Any suggestions? I will be taking it apart again and check if all cables are well suited but besides that someone might recognizes the problem
Thanks in advance!

Could be bad connections, the new cable you put in could be bad or by coincedence the digitizer went
Sent from my HTC Vision using xda premium

[Q] Phone Transplant (Xperia S LT26i)

I have an old Xperia S (LT26i) with me and i accidentally dropped it from the 2nd floor. Fortunately, it did not break into many pieces but it did bok the screen on the top left corner and also broke the plastic housing that where the on/off buttom cap is attached. it also caused some damage on the power switch which cause to not work anymore. the accelerometer and the gyro no longer works after that..
I was able to get my hands on another defective LT26i which the old user somewhat broke the board for a cheap price of $20 and instead of buying a new screen/a new Power Button Flex Cable Ribbon and a new case which will cause me around $90 in total (including shipping), is it possible if I just dismantle the the one with the defective board and use its Power Button Flex Cable Ribbon/Housing/Digitizer and put it into mine? will it still work after that?
Ive been looking into some information and i think it would work but i wanted to be sure by asking you pros
and will i be able to fix the accelerometer and gyro as well because it seems like i cannot find the location of the acc/gyro on the device.
Im looking at this for reference: sonymania.cz/storage/1331332888_sb_xperia_s_wi.pdf
Any information would really help.. Thanks in advance