[Q] HTC Desire Circuit Board - Desire Q&A, Help & Troubleshooting

Hi, Please can some on let me know what the Copper prongs or for on the HTC Desire (Bravo) Circuit Board. As i have noticed one of mine has broken off.
However the phone it working fine.
Just wondered what they do ?!
I have attached a photo with the prong circled
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Any help/reply would be grateful

Contact points for antenna?

Thank you for the reply, just one question do i need to worry about it being broken or should i try and repair it. The phone works and calls seem to be fine !!

Those prongs control either your Antenna, WiFi or GPS.
I can't specifically recall what that one is for because I don't have the phone in front of me at the moment..
You do need them though. If your phone is making calls just fine, it's probably the WiFi or GPS. I would test functionality of those to determine which antenna is broken.
If you're somewhat proficient with a soldering iron, you should be able to get that little guy back on there without a problem.
Good luck!

Thanks for all the help, i think it might be the gps or network. As wifi seems to work fine. Though i have made calls with on problems.
It would be very helpful to know which on it is tho, so any help would be great !!

Hi I think that's the connectors to the speaker phone if I remember correctly. The big speaker at the back.
Sent from my HTC Desire using XDA

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after dropping incredible 1, loose piece, help me find where it belongs!

after dropping incredible 1, loose piece, help me find where it belongs!
you see the two pieces that were loose after my Incredible took a hard drop. It has taken many. I want to figure out where these pieces go, and if maybe something else is missing.
My upgrade date is soon, so please, no recommendations for getting a new whatever. I love my Incredible, its amazing it has survived so much wear and tear!
Whatever these are, they may be antenna related, as that is the function that doesnt...function. WiFi works, GPS, etc. just no cellular data connection. Any help is greatly appreciated. I've found a good youtube vid - Droid Incredible Disassembly by TechRestore and paused frames of it and looked back and forth, and just cant catch where these parts came from!
Many thanks in advance!
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That looks like part of the USB jack. Don't know if you need it or not, but the USB plug may not fit tightly if it is not there.
Sent from my ADR6300 using XDA
Where did it drop? The guy above might be right, your metal is showing on the USB port. As for signal.. I haven't a clue, I suppose it could have been a hard enough knock to disconnect the signal?
Is the yellow plastic a scrap paper that came off the wires shown in the video, which by the way the video was actually pretty awesome.
Sent from my HTC Droid Incredible -
Clutch 3.5 - Sense 4.0 Theme

Broken wifi antenna connector

i've broken these two connector in my one x how can i fix this? can i buy a replacement part or anything else?
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No, you need the entire motherboard if you want them back... however i would try to solder them
echbel said:
i've broken these two connector in my one x how can i fix this? can i buy a replacement part or anything else?
Click to expand...
Click to collapse
No need to change motherboard. I did the same when I opened my HOX and broke them.
What I did to repair was that I went to a simple phone service and soldered Nokia pins connector and as a result I got even much better connection.
Try it and see.
http://forum.xda-developers.com/showthread.php?p=43848329#post43848329
mqazimi said:
No need to change motherboard. I did the same when I opened my HOX and broke them.
What I did to repair was that I went to a simple phone service and soldered Nokia pins connector and as a result I got even much better connection.
Try it and see.
http://forum.xda-developers.com/showthread.php?p=43848329#post43848329
Click to expand...
Click to collapse
for example i have a nokia 3110, can i use it? where can i find the connector pins inside it?
Well, if you open it up you will see planty of pins connectors and yoi can use any of them.
Sent from my HTC One X using xda app-developers app
i tried a few things, soldering new pin, cable and etc. it's a little better for now, but just a little.

[Q] No Bluetooth/Wifi after Charge board replacement

The charge port on my phone went bad and needed to be replaced. The replacement went smoothly but now it I have no bluetooth or wifi antenna. I get maybe 1 bar indicated if I am a few feet from a wifi hub and bluetooth isn't working at all. I thought it might be something to do with the new charge board so I replaced it again with the same results. If anything it might be even worse now. Any tips on what I should be looking for that is wrong?
Sounds like you broke one thing fixing another . If it's physical damage you need to go backwards and check all your steps and see what happened.
If software issue try reflashing modem.
Pp.
I found the problem and it, which is a simple one, The fix though I think is going to be difficult. A very, very small capacitor is missing from the board. I must have hit it during the charge board change. If I knew the value of the cap I could probably solder a new one on. I have no idea how to find that out though. Here is a picture of the missing part.
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A lot of internet digging has turned up the spec on the missing cap-
Samsung part #2203-006665
0.0022NF,0.25PF,25V,C0G,0603, C-CER,CHIP
That particular number is out of stock everywhere but I was able to find an equivalent from DigiKey.com
Samsung #CL03C2R2BA3GNNC
Digi-Key #1276-1403-1-ND
I bought 10pcs @ 2 cents a piece.
Good luck with the soldering,
In case that doesn't work for you maybe this will work for you.
Pp. Lol
Soldered in the microscopic capacitor yesterday and phone is back to 100%!

[Q] Motherboard Soldering

Hello. I have an HTC One M8 motherboard with a messed up ribbon cable connector for the digitizer (motherboard side). I've attached a few pictures to better show the problem, but they are very blurry sorry about that. In short, a couple of the pins are broken off to the point where they are not making contact with the cable itself. This causes the y-axis of the right side of the digitizer to be fundamentally unusable. Not possessing any soldering skill to speak of, I have spent hours searching for someone who is capable of doing this type of work, and have yet to find anybody. Does anybody here the tools/skill to do this? Or where could I go to get this fixed? Thanks for your time!
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keepitshort13 said:
Hello. I have an HTC One M8 motherboard with a messed up ribbon cable connector for the digitizer (motherboard side). I've attached a few pictures to better show the problem, but they are very blurry sorry about that. In short, a couple of the pins are broken off to the point where they are not making contact with the cable itself. This causes the y-axis of the right side of the digitizer to be fundamentally unusable. Not possessing any soldering skill to speak of, I have spent hours searching for someone who is capable of doing this type of work, and have yet to find anybody. Does anybody here the tools/skill to do this? Or where could I go to get this fixed? Thanks for your time!
View attachment 3072673
View attachment 3072674
View attachment 3072679
Click to expand...
Click to collapse
I would guess only HTC could fix that ...and they may even pitch it in the trash, and just change motherboards

(solution) Ghost touch, ramdom turning on and off screen

You need to make sure its not app, rom, kernel, related, try booting in safe mode to see if problems persits if no then is app related.
If you wipe and reinstal rom and problem persist then this might be help full
Before anything else i sugest you look for zenfone 2 dissambly vids so you get to know what you are going to be doing, it is easy.
Before telling you the solution let me explain my phone symptoms:
1) Ghost touchs, be aware if you have selected show cursor coordinstes or show touch, much of the times this ghost touch doesnt appear.
2) Phone screen starts turning on and off by itself. This is very annoying I tried turning off doble touch to wake but this didnt help.
So what is the solution?
You need to open the back of the phone unscrew everything and then in the charging usb port you need to make sure that the back part of this pice doesnt make contact with the metal back plate. What I did is to use an electrical pice of tape that cut. And simple as that my phone working normal again.
Remeber to screw everything tight as possible.
Pd: i didnt took any pics but im show what part of the phone im referring
Hope this helps have a great day
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Can you show more photos of this process?
It doesn't work for me
and the image is for removing antenna cable from other tutorial. don't remove antenna cable.

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