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White screen after lcd/digitizer replacement

Ok, I made a good-faith effort at looking for something on-topic but didn't find anything (I'm a n00b).
I've done several digitizer/lcd repairs on Iphones and the HTC 4G.
Here's the story: Broke screen. Ordered new digitizer and LCD. Took phone apart, replaced parts. Turn on phone and I get this:
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Did I damage any of the ribbons? Simply put it together wrong?
Another problem- I'd like to go back and double check, but now that its on it appears theres no way to turn it off short of taking the battery out (which didn't seem straight forward and still risks shorting something). Any other way of turning off the device just using the hardware?
Thanks guys,
e

Hold the power butoon down and the capacitive buttons should blink and it should restart or turn off. Or just wait for the battery to die
Sent from my Xoom using xda app-developers app

Pull it back apart and double check ALL your ribbons. As you know, having taken it apart before a couple of them are pretty tricky to get snapped into place. Most likely forgot one or didnt snap one it quite right. Also, plug it into your pc to see if its recognized. Its got power, just no signal from the board. Good luck and take your time. I bet it will be just fine.
Sent from my SPH-L710 using xda premium

18th.abn said:
Pull it back apart and double check ALL your ribbons. As you know, having taken it apart before a couple of them are pretty tricky to get snapped into place. Most likely forgot one or didnt snap one it quite right. Also, plug it into your pc to see if its recognized. Its got power, just no signal from the board. Good luck and take your time. I bet it will be just fine.
Sent from my SPH-L710 using xda premium
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I am usually super careful, so this actually hasn't happened to me before. I'm assuming its definitely related to the LCD, right, since the screen is lit but distorted?
One thing i've thought about is whether the flex cord connectors have to be put in facing up or down. One side of the ribbon is red at the connector point and the other is the yellow/orange color. Anyone know which side is supposed to be facing up? I'm about to open it up again and redo the connections.
Thanks,
e

[SOLVED] GPS Fixed!!! For real this time.

It's a noise issue with the gps antenna and other h/w on the board (mainly lcd cable.) It can be fixed by insulating the board from electrical shorts (scotch tape in my case) and shielding the board from the antenna with aluminum foil. Not for the faint of heart, obviously you can ruin your phone if not done correctly. If your wondering how much of a difference it'll make lets say my GPS works in my basement, in walmart, even in a multistory business office. I have yet to find a spot where it won't work. Most times it locks the instant it's opened, indoors you might have to wait maybe 10-30 secs.
If you think shielding the whole phone will help the other antennas, it won't I tried. You only have to do the corner that the GPS antenna is located and of course ground it. The GPS antenna is labeled with the letter G on the case of the phone. It's inbetween the camera, battery, and power button. Face down camera up, it's located upper left portion of the phone. Each antenna looks like a black label, please don't peal them off. Phone must be disassembled to perform this mod. I will not tell you how to take it apart (google it) nor be responsible if you break it. If you don't understand the concept of shielding or are unclear how to do this mod you shouldn't be doing it. You should be asking a friend that understands electronics better (aka major electronics geek) to do this for you.
Sorry I don't have pictures at this time.

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Only the area where the GPS antenna resides needs to be shielded which on the Nexus S 4G happens to be circled in red.
Don't forget to protect the board from electrical shorts with scotch tape or the like.
Please don't put tape or aluminum foil over the spring terminals as they provide contact to the antennas on the back of the case.
The shield must be grounded for it to work, I used the metal casing inside the phone.
You can see where it comes close to the edge of the phone, it happens to be metal there and its grounded

In for pics. Also, which model phone.

crespo4g aka SPH-D720 aka Nexus S 4G
But TBH this solution should work on any phone that has bad GPS reception due to bad design and/or h/w interference.
Sent from my Nexus S 4G using Tapatalk 2

Sounds similar to the other fix which didn't work for me. Do you have pics of your mod?

CrackerTeg said:
Sounds similar to the other fix which didn't work for me. Do you have pics of your mod?
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Yea I just put one up. I've tried many things myself but this has made my phone's GPS f***in fantastic and thought I'd share it with the rest of the world to enjoy. I first tried modifying my antenna with a wire after trying a bunch of useless s/w mods but still wouldn't work once reassembled and then it became obvious what must be done.

Dude, that fix looks so hood rich. I love it.

[Q] Dropped my Nexus 5

Just dropped my phone on the edge of a glass table from a height if about 1.5 ft. The backing separated a bit (2mm, I just popped it back in) and there now a wee groove right by the headphone connector. Other than cosmetic, there *seems* to be no internal damage. Everything works fine as far as I am able to tell, including using headphones and I hear nothing rattling inside when I shake it. There are these barely audible squeal/ tiny beeps in that area which I can only hear when I put my ear right up to it, but that may be normal?
My question to you good people is, should I be worried that something on the inside may have become loose and cause problems down the lane? Or all is well as long it works okay? How can I check to be sure?
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You should be fine, if there doesn't seem to be any internal damage, then you probably have nothing to worry about. Water damage tends to be less predictable, not drops.
As for that dent, maybe you can get a replacement housing.

Beauenheim said:
You should be fine, if there doesn't seem to be any internal damage, then you probably have nothing to worry about. Water damage tends to be less predictable, not drops.
As for that dent, maybe you can get a replacement housing.
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Thanks, that kinda what I figured too, but now I'm just paranoid that something broke internally or damaged just enough to work itself loose in time. But that hint you gave about drop damage predictability makes sense.
I wish I could make sure.
Any ideas about the cost for LG repair service? I called them earlier and they were super unhelpful.
I should probably just look up a youtube tutorial on how to open the phone and peek inside.

Ok, yeah I should be fine After watching a guy disassemble his phone on youtube, there is nothing in that particular area other than the headphone jack. Looks like the plastic cover and the jack itself absorbed most if not all of the shock.

Caebron said:
Ok, yeah I should be fine After watching a guy disassemble his phone on youtube, there is nothing in that particular area other than the headphone jack. Looks like the plastic cover and the jack itself absorbed most if not all of the shock.
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If you ever experience issues with it, the headphone jack on a nexus 5 is a super easy part to replace, as it's not soldered anywhere. Just clips as I heard from iFixit.

[Tutorial] How to Fix your Pico's Headphone Socket

Getting audio cuts, left or right channel always disconnects, audio distortion, or headphones not working at all? Well your Pico's headphone socket is loose. Solders on the headphone socket are somehow, cracked or just got detached from the board. Here's how to fix it...
DISCLAIMER: I AM NOT RESPONSIBLE IF THIS TUTORIAL BROKE YOUR PICO. THIS WILL ALSO VOID YOUR WARRANTY. PROCEED AT YOUR OWN RISK​
Ok let's get started. Here's what you need:
- Pico ( of course )
- Torx and Philips screwdriver
- Soldering Iron
- Soldering lead
Step 1: Remove all the screws on the case using a small torx screwdriver and remove the case
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Step 2: Remove the screws on the board using philips screwdriver
Be sure to keep the screws in a safe place
Step 3: Remove those black tapes. Also keep them in a safe place...
Step 4: Disconnect the Ribbon Cables...
Step 5: Take out the board CAREFULLY...
Step 6: Prepare your soldering iron and soldering lead
Step 7: Solder the contacts... ONLY solder the contacts pointed at the picture...
Don't apply too much solder! Solder it CAREFULLY! We don't want to short it...
After soldering...
I'm not really that good at soldering but that gets the job done
Now put your Pico back together and test it out. If this fixes your headphone connection problems, CONGRATULATIONS /) ! If not, try again
​
Sent from Ponyville

/)
I'll take this spot for future purposes
Here, have a BROHOOF /)
Sent from Ponyville

Well bro i think its too risky..BTW i will try this. :highfive:

Chemical47 said:
Well bro i think its too risky..BTW i will try this. :highfive:
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Not really... You'll just solder those contacts... Just be careful when soldering it....
Sent from Ponyville

A big thanks Renz!

#Superuser said:
A big thanks Renz!
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Very risky.. as HTC has sensors dozens of sensors and very complex IC and integration of them..
Very Very need full and good tutorial who like listening to music but cant hear it properly due to socket.

shubhojit89 said:
Very risky.. as HTC has sensors dozens of sensors and very complex IC and integration of them..
Very Very need full and good tutorial who like listening to music but cant hear it properly due to socket.
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Actually it isn't that risky, as you'll only solder the connections of headphone socket... If you know how to solder then you'll be fine
#Superuser said:
A big thanks Renz!
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You're welcome
Sent from Ponyville

I would strongly advise you apply heat syncs when doing this, otherwise you can end up frying components near the headphone socket (I've managed to do this before when using old solder that wouldn't melt easily)
Another tip, use the smallest tip you can find for the soldering iron. if all you have is a chisel tip, don't use it. it's too much risk!
lastly, make sure you clean up the old solder. don't mix new + old
I also recommend looking at some soldering guides. it's easy to do a bad solder and make stuff even worse.

I broke my GPS antenna like a moron

Hi guys,
Well, I'm that idiot who broke his GPS/WiFi antenna.
With the new launch of the OP3, and my utterly empty wallet, I thought it was about time to replace the battery on my OPO since it was lasting about half a day now. Ordered a battery online, broke apart my phone, replaced the battery, bish bash bosh didn't take long at all.
Little did I know, when taking off the board protector it looks like I managed to snap off this little bugger (red circle bottom right):
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Since I didn't realise I'd done it, I never found the little bit I broke off and it's forever into the void (you know, the one where socks and case screws go).
Since I'm a very broke university student and I really wanted my OPO to last me another 2-3 years without me getting lost (I have a really horrible sense of direction), does anybody have any knowledge about this board that would give me a hand modding it to have the antenna work again?
If only it were just WiFi, or bluetooth, or NFC, or something else I never use, but it had to be GPS, the thing I use constantly!
If anybody could help me I'd appreciate it significantly, and if you're nearby I'll buy you a pint. Or a pizza. Or something.
Thanks guys.
PS My battery lasts two days now, so I've got that going for me, which is nice.

Makeshift27015 said:
Hi guys,
Well, I'm that idiot who broke his GPS/WiFi antenna.
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I think someone else did the same thing and hacked theirs with a piece of foil or something. It's just a contact. Maybe you got a bud who can do some nice surface-solder.

pbergonzi said:
I think someone else did the same thing and hacked theirs with a piece of foil or something. It's just a contact. Maybe you got a bud who can do some nice surface-solder.
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Possibly, yeah. I might fiddle around with it. It looks like the tiny antenna slot on the left of the red circle is the part of the same antenna system, do you reckon if I plugged an antenna cable into that it would be a workaround? I don't suppose you happen to know what that type of connector is called?
Cheers.

Makeshift27015 said:
Possibly, yeah. I might fiddle around with it. It looks like the tiny antenna slot on the left of the red circle is the part of the same antenna system, do you reckon if I plugged an antenna cable into that it would be a workaround? I don't suppose you happen to know what that type of connector is called?
Cheers.
Click to expand...
Click to collapse
Got no idea on the answers to any of those questions. Google for ideas? Good luck.