Is this possible? (component replacement) - HD2 General

I have a working TMOUS HD2 motherboard which have a "broken/ripped off" lcd connector.
I also have a non working/bricked TMOUS HD2 motherboard complete and without any physical problem.
Is there any possibility to replace this connector?
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Any help would be much appreciated.

Is the part here?
http://www.alibaba.com/showroom/parts-for-htc-hd2.html

I highly doubt it. That connector is more than likely surface mounted with little tiny pins soldered to the other side of the board, and would be amazingly difficult to remove and replace correctly by hand.

That's what I thought...
But it seems that I don't have nothing to lose...
I even have a third broken motherboard (also with a ripped lcd connector) where I can test the "removal" an "relocation" of the component. I know it's difficult, but there is too much to win and almost nothing to lose.
Any tech approach would be appreciated.

I tried to remove it with a heat gun.
It was VERY EASY and the removal was perfect!
Next I removed a good lcd connector from another phone (also without a problem) and that's where the problems began.
Soldering with a heat gun, which is not designed for precision work is like killing a bug with a bazooka... you will kill the bug but you will break something else...
End of story... ended with 2 non working motherboards and learned that I need a reworking station for this kind of work.

its easy I done them so many times without fail
MGA2009 said:
I tried to remove it with a heat gun.
It was VERY EASY and the removal was perfect!
Next I removed a good lcd connector from another phone (also without a problem) and that's where the problems began.
Soldering with a heat gun, which is not designed for precision work is like killing a bug with a bazooka... you will kill the bug but you will break something else...
End of story... ended with 2 non working motherboards and learned that I need a reworking station for this kind of work.
Click to expand...
Click to collapse
its easy and done it many times sorry you couldn't done it

Tips on how to replace the lcd connector on logic board
dan18 said:
its easy and done it many times sorry you couldn't done it
Click to expand...
Click to collapse
Sorry but can you assist some of us with the same problem in few short tips before I destroy my motherboard too

I might be wrong but is it just the clip that is broken? Do the contacts still connect? It might be possible to glue a thin strip of metal to the plastic ends of the motherboard's connector to hold the ribbon cable connector in place. Might work

Related

Need help: USB connector broke, where to get another one?

Sadly, my HTC Wizard/Cingular 8125 USB connector broke off. I'm not sure how it happened but I can only guess the pressure of inserting the mini USB cable wore it's soldered mount points and gave way. I tried soldering it back but when I adjusted those little prongs underneath so it would have good contact with the board, a prong broke off. So I'm out of luck and can't recharge the battery. Does anyone know where I can purchase the identical piece so I can solder it back to the board? Also, has anyone else had this same unfortunate fate?
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If you search the wizard forum, you can find people that have spare parts.
Check here:
http://forum.xda-developers.com/showthread.php?t=300240
thanks Calouro, I'll give that link a shot.
wow, i had that happen to me too, i send it back to t-mobile for repair. but i afraid of it happening again, bc it hard to fix and my warranty expired.
These people do USB port replacements I believe:
http://www.pocketpctechs.com/
Thanks Paul.. checking them out.
I just had the same thing happen...PPC Techs as mentioned above does that repair for $60 + shipping. They mention this issue specifically as a K-Jam fix on their web site.
I sent mine in but they advised they were unable to get ActiveSync working again after trying a number the repair a number of times. They shipped back to me via ground FedEx even though I requested 2-day so I don't have it back yet to test...
timskrastins said:
I sent mine in but they advised they were unable to get ActiveSync working again after trying a number the repair a number of times.
Click to expand...
Click to collapse
They may have induced heat damage to the USB I/O circuit. This can happen if the soldering iron is too hot or left on the contact too long. In addition, if multiple repairs where attempted with not enough cool down time between heating, the USB I/O may have been damaged.
Also, if they did a sloppy job and shorted two of the contacts together on the USB plug with solder by not completely cleaning out the old solder can cause issues.

[Q] Pinout micro USB Confused.

Hi,
I'm totaly confused about what I found on the main board of my HD2.
Now, Simple you think, if you look on google you find the pinout to be:
5 VCC +5 V
4 D− Data −
3 D+ Data +
2 Type A: connected to Ground
or
Type B: not connected
1 GND Black Signal Ground
Easy... Or????
My USB is broken from the PCB (looks like the coper on the pcb is not that thight to the bord. Well.. Since I did study electronocs, I should be able to fix it. I took my HD2 appart, but I found this:
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Now if you look at the connections, Pin 1 is clear, Pin 2 is connected Pin 5 is also clear. Pin 4 can be through an other layer, so that is also explanable.
BUT: Pin 3 ? Is that one not connected? Does it just use ground instead of data-?
Who can give some answers? I don't understand.
Thanks
Hi again,
Ok, I know it should be connected somewhere, but I can not find out where I can connect it. I hope someone knows where I can find a coper line or component which should be connected to pin 3.
I now heve all connected except pin3 which makes USB useless, but the charging works.
There is one more question, does anyone know where I could get a new mainboard for this phone and what the price is?
Hi,did U solve this?i have problem with microusb too...
pinouts
hope the pic help the to your problem.
be careful when soldering because the small pives will come apart if you atemot to solder with soldering iron.
best will be bga blow gun and positioning small wire near the components still be very careful otherwise you will not have what to fix.
For all, I did not solve it.. The HD2 worked fine, but flashing through USB was inposible. After a few months I droped it :-( screen was broken (Both, digitizer and LCD) and the usb broke again. so I droped it in the trash since it was not worth it anymore.... RIP HD2.... I will miss you....
kruithofm said:
For all, I did not solve it.. The HD2 worked fine, but flashing through USB was inposible. After a few months I droped it :-( screen was broken (Both, digitizer and LCD) and the usb broke again. so I droped it in the trash since it was not worth it anymore.... RIP HD2.... I will miss you....
Click to expand...
Click to collapse
Are you joking? Really dumped it?
Very big mistake!
You wasted a totally revivable/repairable hd2
Nope... still have it, but... digitizer + LCD + USB broke... And if I'm not wrong also the volume keys are teared.... So fixing it means buy LCD/digitizer/ribben kabel/mainboard... which is basicly a whole new HD2, without the casing and battery.
kruithofm said:
Nope... still have it, but... digitizer + LCD + USB broke... And if I'm not wrong also the volume keys are teared.... So fixing it means buy LCD/digitizer/ribben kabel/mainboard... which is basicly a whole new HD2, without the casing and battery.
Click to expand...
Click to collapse
I'm interested in buying it!
Think about for a fair price and PM me, if interested!
I'm not selling.. sorry...

Nexus 7 USB Port (Broken Solder Pad)

Hi,
My Nexus 7 Gen 2 usb stopped charging (it was on/off for a while but now fully stopped).
I ordered a new USB component from eBay so I was desoldering the old one this morning but unfortunatley the 5 pins at the back ripped a few of the pads from the board off.
I was wondering before I order a new USB PCB for £40 is it possible to re trace the 5 pins and wire them to somewhere different on the board??
Looking at this picture this is what I thought I could do:
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Is this possible and if so the best way to fix this?
Thanks
Rowan88 said:
Hi,
My Nexus 7 Gen 2 usb stopped charging (it was on/off for a while but now fully stopped).
I ordered a new USB component from eBay so I was desoldering the old one this morning but unfortunatley the 5 pins at the back ripped a few of the pads from the board off.
I was wondering before I order a new USB PCB for £40 is it possible to re trace the 5 pins and wire them to somewhere different on the board??
Looking at this picture this is what I thought I could do:
Is this possible and if so the best way to fix this?
Thanks
Click to expand...
Click to collapse
You could try soldering to those solder pads right before the resistors/caps in the path. If you bypass those, and solder directly to the exposed pads you identified, you may have issues, i.e. those resistors/caps are probably there for a reason . That's what I would try anyways.
did you ever end up soldering to these pads? cause any issues?
neonshaun said:
did you ever end up soldering to these pads? cause any issues?
Click to expand...
Click to collapse
nevermind, didnt work of course. Ended up soldering to the pads just before those caps, just needed to not be lazy about it.

Opened back housing, what do you guys think this metal "clip" is there for?

I was replacing the back housing of Nexus 6p to change up a little for fun, for the second time. The first replacement took place a month ago, from silver (OEM) to black. Since the black housing is scratched quickly without a case, I bought a white one, which came in today.
Upon inspection, I found this metal clip right above the camera cutout (shown in the picture below, it is from my OEM housing) to be missing on the new/white housing. Do you know what this thing does, and if absent, will it pose any issue using the phone? I thought it could be antenna connection at first, but then I found many other small clips stemming out from the board instead of the housing, so I thought those might be the antenna connections. Then what does this clip stemming out from the housing do
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This is the clip supposed-to-be from my OEM housing
This is the clip broken piece from the new housing I got.
That clip connects to a contact above the camera as seen on ifixit teardown
https://d3nevzfk7ii3be.cloudfront.net/igi/ZlpUoq3OjhHJsqTo
chaco81 said:
That clip connects to a contact above the camera as seen on ifixit teardown
https://d3nevzfk7ii3be.cloudfront.net/igi/ZlpUoq3OjhHJsqTo
Click to expand...
Click to collapse
Yes, any idea what purpose it might serve though? I have put the housing on anyway, just fear that it might cause some functionality issue down the road.
cswithxda said:
Yes, any idea what purpose it might serve though? I have put the housing on anyway, just fear that it might cause some functionality issue down the road.
Click to expand...
Click to collapse
any kind of connection as such, using a spring clip, means its meant to get signal from A to B. In this case, it seems is something that may use some soft of radio signal.
anything like that missing a connection will surely affect something (is there for a reason)

Help identifying components on Nexus 6Pmain board

I'm wondering if anyone can identify the two components circled in red in the lower right corner of this image?
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I recently replaced the screen on my Nexus 6P, but these two component came loose (likely from when I took off the screen connector below them). One of them was lost as well.
After replacing the screen everything seems to work ok except that the Sim card is not detected. (The same sim works in other phones.) I'm suspecting that these two components are the issue. It's pretty likely that I would not be able to successfully replace them, but then again it might be worth trying.
Any thoughts? Thanks!
Your image link don't work..
But btw, why did you replace it? Broken?
I hear it's a very difficult and risky process to replace screens on 6P..
Sent from my Nexus 6P using Tapatalk
I just updated the image in the original post. I think it should show up now.
I dropped the phone from about two feet up and the touch screen quit working. Replacing the screen was a bit daunting, but actually seemed to go quite well until I figured out the sim was not recognized any more. It was a bit tough to pry off the camera shield on the back and to pry the insides from the body the first time. But now I can do it without too much trouble.
I think that the two parts I wan to identify might have been a bit damaged before (water damage?), and then I might have inadvertently helped them along.
balesse said:
I'm wondering if anyone can identify the two components circled in red in the lower right corner of this image?
I recently replaced the screen on my Nexus 6P, but these two component came loose (likely from when I took off the screen connector below them). One of them was lost as well.
After replacing the screen everything seems to work ok except that the Sim card is not detected. (The same sim works in other phones.) I'm suspecting that these two components are the issue. It's pretty likely that I would not be able to successfully replace them, but then again it might be worth trying.
Any thoughts? Thanks!
Click to expand...
Click to collapse
I can't see your image for some reason either on Tapatalk but I can in web view. Check ifixit for a full outlook of internal parts:
https://www.ifixit.com/Teardown/Nexus+6P+Teardown/51660
Edit: On second thought, the piece you're asking about wouldn't be discussed by them.
Sent from my Nexus 5X using Tapatalk
That's gonna be tough with no markings on the board or components. Google "identify smd components" might yield some helpful results. I think they are either smd resistors or fuses. As a last resort bridge the connections individually with solder or conductive glue. Check with multimeter after you bridge them to insure no resistance (good connection). Really looks more like those are components for the display circuit though.
normally those are some resistor smd.
you can check on other phones (service manuals) what kind of component is there.
i saw a service manual for lg g3 here on xda, you can check whatever you want but try to search for a component like that.

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