Has anyone ever tried replacing the I/O port in the (1st gen) Nexus 7 yet? I need to and think I am going to do so myself.
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Cross your fingers!
Ive torn the unit down and had a good look at the internals. The IO USB port seems like a simple swap. Id just plan on taking it nice and slow. And dont use a soldering iron thats to hot! also unplug the battery. cant be to safe!
krichmond0306 said:
Has anyone ever tried replacing the I/O port in the (1st gen) Nexus 7 yet? I need to and think I am going to do so myself.
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Don't replace the port, replace the whole board. I recall it was in the $10-$15 range. I quickly googled and found it for $30 here:
http://www.etradesupply.com/asus/other-models/asus-google-nexus-7.html?limit=all
But there was another site I seem to recall was cheaper, use the googles.
Once you get the part, just take off the cover, etc per tear down info, but realize that the IO cable connector has a part that flips up to release the cable. Don't just yank on it.
Thanks for the research but OUT OF STOCK, any other suppliers you know of? I cannot find any
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'Sup XDA. I've been dying to get induction charging on my Nexus S since I got a Touchpad. Even found someone who did it over at androidcentral. Have all the parts.
I know full well that I am completely responsible for any screw-up I happen to do.
Now that that's out of the way, I just need to figure out which pins to solder to. HERE is the teardown and just wanted pointed out which pins I should take the soldering iron to. Any help appreciated.
Nobody?
10char
Induction charging?! Can you post a link to that article? Interested.
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jark99 said:
Induction charging?! Can you post a link to that article? Interested.
Sent from my Nexus S using xda premium
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http://forums.androidcentral.com/sp...-s-4g-near-field-communication-preserved.html
He didn't take pics the first time around and said he didn't want to open it up to take pics. I just need to figure out which points to solder to. I have everything already here.
Here is one someone did (with video) to their Galaxy S. Looks clean!! I would love to do this mod.
http://www.qianqin.de/2011/09/18/samsung-galaxy-s-wireless-inductive-charging-mod/
d_phekt said:
Here is one someone did (with video) to their Galaxy S. Looks clean!! I would love to do this mod.
http://www.qianqin.de/2011/09/18/samsung-galaxy-s-wireless-inductive-charging-mod/
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Click to collapse
Can we get by with soldering only one wire in the Nexus S as well? Provide 0V using the sim card tray?
I'm totally thinking I'm gona do this
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wish I would have kept the back from my palm pre, I do still have a couple touchstones though. Might be cool to put an NFC tag in the touchstone to launch the dock mode. Might do this if I am feeling adventurous one day.
cchase231 said:
wish I would have kept the back from my palm pre, I do still have a couple touchstones though. Might be cool to put an NFC tag in the touchstone to launch the dock mode. Might do this if I am feeling adventurous one day.
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Can you just program any passive tag for that? Should just be a step of sticking it on right?
Wow, this looks awesome.
But if I understood correctly the problem, the NFC antenna must always remain between the inductive antenna and the battery. I haven't tried, but it seems that the NFC antenna can be simply removed. Wouldn't the inductive antenna fit between the NFC antenna and the case? That way it would all fit inside, leaving the awesome exterior untouched.
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jmissao said:
Wow, this looks awesome.
But if I understood correctly the problem, the NFC antenna must always remain between the inductive antenna and the battery. I haven't tried, but it seems that the NFC antenna can be simply removed. Wouldn't the inductive antenna fit between the NFC antenna and the case? That way it would all fit inside, leaving the awesome exterior untouched.
Sent from my Nexus S using XDA App
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Click to collapse
There's a risk that the antenna would have 5V running through it and consequently through the NFC radio/parts, etc. if you keep the coil inside the case behind the NFC tag.
gamefreakgcb said:
Can you just program any passive tag for that? Should just be a step of sticking it on right?
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I think so. I havn't messed around with an NFC task launcher, but I remember reading a thread where people were using an NFC tag to launch car mode when placed into a car dock. Should just need to buy a tag and set it up with an NFC launcher.
I've got a broken nexus 7 that I tore down after the screen shattered with a good motherboard... Is there anything I can do with it? Any possibility of outputting to a screen?
Sent from my Nexus 4 using xda premium
You might be able to check the wiring to the screen on the nexus and see if the wire leads match any of the know configurations of other video sources and possible hard wire it into another video source. You might have to change the resolution to match the screen you use though. Anyway, you will still have to use a keyboard and mouse.
You could scour the internet to see if the LCD panel & digitizer can be purchased somewhere. But possibly that might cost half as much as a replacement.
You could sell it on eBay as a "broken - for parts" listing.
You could see if Asus will quote a repair for you.
If everything still operates normally as far as the USB port & physical buttons are concerned (it still operates correctly as far as software is concerned), donate it to a dev who wants to try cracking APX mode on the N7; either that or become that dev yourself! I suppose there are folks who are willing to try, but don't want to put their own unit at risk of hard-bricking.
Well that's 4 suggestions. Sorry to hear about your device.
Mine shattered too and I took the battery out. Will use it for my replacement (which I got the N73G) if the battery ever dies.
Sorry for your loss.
cyanogendroid said:
I've got a broken nexus 7 that I tore down after the screen shattered with a good motherboard... Is there anything I can do with it? Any possibility of outputting to a screen?
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Click to collapse
You didn't mention if the LCD broke as well.
If the LCD is still working, just use a USB mouse with the device.
Otherwise, if the LCD is no good, part-out the unit.
Look to ebay for avg asking prices for various modules.
As for the MoBo, since this system was really designed to be touch-centric, unless you can really create a new ROM for the unit that doesn't rely on touch (the Ubuntu ROM maybe?) it's uses are limited.
With the Ubuntu ROM you might be able to turn it into a web/media/file server. But then again, it may not start up if it can't find all the peripherals it thinks should be attached.
Hi all. ok, so basically i dropped my n4 a few months ago and it cracked the top of the screen a little but it took out 80% of the touchscreen. its only usable now by constantly rotating it in the hope that what i need to touch is in the area which works. I have since bought a new phone (z1) but it seems a waste to have a perfectly ok n4 sitting around doing nothing.
choices are to
a) sell it (not get much for it i'm guessing)
b) fix it (replacement screen and digitizer cost a lot more than its worth doing plus i most likely wouldnt be able to do it myself)
c) repurpose it.
so i guess the real question is, what can i use it for? i cant seem to find any decent remote control apps so that i can use a touch screen of a diff android device to control it so its all a little tricky to do stuff on.
any ideas?
You can buy replacement LCD assembly on eBay for under 130 shipped. If you're in US. The job is pretty straight forward. On YouTube there are a lot of walkthroughs
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Paper weight
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1slow4G said:
You can buy replacement LCD assembly on eBay for under 130 shipped. If you're in US. The job is pretty straight forward. On YouTube there are a lot of walkthroughs
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yeah, i know, i'm in the uk though and they seem to be in excess of £70. given that i mess up putting a screen protector on i dont think i'd be able to put a new screen on. especially given i could probably buy a 2nd hand n4 for about £100 these days it doesnt really seem to a be a lot of point in going to all that effort.
thefunkygibbon said:
yeah, i know, i'm in the uk though and they seem to be in excess of £70. given that i mess up putting a screen protector on i dont think i'd be able to put a new screen on. especially given i could probably buy a 2nd hand n4 for about £100 these days it doesnt really seem to a be a lot of point in going to all that effort.
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i pulled apart my broken n4 to have a look inside. there's no way i'd bother attempting a repair without the correct tools and lots of skills. it only takes a slight error to mess it up.
I bought an assembly digitizer+screen and it came with all the tools. It took me 13 minutes to take it apart and put it back together. I took it apart later to do the thermal mods too. It's really not that hard. I did it with no static protection, and I was very very careless pulling it apart. I even bent the board with the usb plug on it and it still works.
Seriously just fix it yourself.
well the point of the thread really was for ideas for using it with the dodgy touchscreen. i honestly cant see a point in spending nearly the cost in getting a 2nd hand n4 to repair mine.
Home entertainment console? Combined with slimport or something else this can make your TV a smart tv
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thefunkygibbon said:
well the point of the thread really was for ideas for using it with the dodgy touchscreen. i honestly cant see a point in spending nearly the cost in getting a 2nd hand n4 to repair mine.
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Use OTG and connect mouse to the phone through USB. What say?
Repair it.
yeah i'm going to order a usb host adapter. might get a hdmi cable thing too. is there a special type of cable thats required? searching on ebay for them they seem to mention slimport and they are like £20 which is a bit more than i wanted to spend given i'm not sure what i'm using it for yet!
does anyone know if there exists a combined usb host/hdmi/charging cable?
Is there anyway I can just solder a generic micro usb port onto the board (This one: http://www.ebay.co.uk/itm/New-ASUS-Google-Nexus-7-First-Gen-Charging-Port-REV-1-2-/141138826759?pt=UK_iPad_Tablet_Chargers_Sync_Cables&hash=item20dc879607), reason being is that everything works fine except for the micro usb board (a pin broke when I was trying to fix it) how easy would it be to do it and can it be done?
dilzo said:
Is there anyway I can just solder a generic micro usb port onto the board (This one: http://www.ebay.co.uk/itm/New-ASUS-Google-Nexus-7-First-Gen-Charging-Port-REV-1-2-/141138826759?pt=UK_iPad_Tablet_Chargers_Sync_Cables&hash=item20dc879607), reason being is that everything works fine except for the micro usb board (a pin broke when I was trying to fix it) how easy would it be to do it and can it be done?
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You're just wanting to pull the port off the new board and soldier it on the old board? I don't see why it won't work so long as the joints match up and the legs are not to long. The pin out should be the same. I think you should be fine.
Edit: I guess I should have looked better. I don't know if the first gen has the same layout as the 2nd gen. I can't say if that whole piece will fit right.
LinearEquation said:
You're just wanting to pull the port off the new board and soldier it on the old board? I don't see why it won't work so long as the joints match up and the legs are not to long. The pin out should be the same. I think you should be fine.
Edit: I guess I should have looked better. I don't know if the first gen has the same layout as the 2nd gen. I can't say if that whole piece will fit right.
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I'm saying If I get some generic port off eBay for a couple quid will I be able to solder it onto the old board that looks like the one in the picture? I stupidly posted this in the nexus 2013 forum however this is indeed for first gen. Thanks.
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dilzo said:
I'm saying If I get some generic port off eBay for a couple quid will I be able to solder it onto the old board that looks like the one in the picture? I stupidly posted this in the nexus 2013 forum however this is indeed for first gen. Thanks.
Sent from my Nexus 7 using xda app-developers app
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Gotcha, you should be fine.
dilzo said:
I'm saying If I get some generic port off eBay for a couple quid will I be able to solder it onto the old board that looks like the one in the picture? I stupidly posted this in the nexus 2013 forum however this is indeed for first gen. Thanks.
Sent from my Nexus 7 using xda app-developers app
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Click to collapse
The only thing which is standardized about the connector shell is the mechanical details of the mating portion of the connector. How the rest of it mates mechanically and electrically to a supporting PCB/PWB does not need to be standardized at all. So, if you happen to end up with the exact same connector, then great. Just any connector? Not so much.
You might be fine attempting it, but there are risk of damaging the PCB (cracking vias barrels from their land pads (too much heat), accidentally tearing surface copper pads off during component removal, etc.
A good electronics technician will have a number of tricks & techniques for rework/repair operations (e.g. using an excess solder flood during component removal), but chief among these is being able to carefully control the amount of heat being applied (tip choice and a variable temperature controller for the iron).
I bring this up because the cost of everything you need to perform the job well exceeds the part cost for that whole headphone jack/USB port flex cable assembly (US $50) unless you have those good tools already. (I have to suppose you don't; otherwise you could have answered your own question)
If you can find the right connector shell and are determined to do the job with a cheap soldering iron, do yourself a favor and at least buy some paste flux (Kester?) and some fine copper "solder wick" braid along with the solder you buy. And it is probably also a good idea to disassemble the N7 so you are not trying to perform the repair "in place").
good luck
LinearEquation said:
Gotcha, you should be fine.
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Yeah seems like too much of a hassle, I think I'd just buy the whole board thanks.
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dilzo said:
Yeah seems like too much of a hassle, I think I'd just buy the whole board thanks.
Sent from my Nexus 7 using xda app-developers app
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If you haven't ordered it and you are UK based (from the ebay.co.uk) then PM me with your address and I'll send you a used one FOC.
Do you still have this?
peterk-1 said:
If you haven't ordered it and you are UK based (from the ebay.co.uk) then PM me with your address and I'll send you a used one FOC.
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Do you still have it available for a Nexus 7 2013? I'm in France but I am willing to pay for the shipping fees. That would help me immensely as my tablet has stopped charging... :'(
As the title stated my Nexus 7 has a broken front glass and digitizer so I cannot use the touch screen.
I can however use a keyboard and mouse via usb otg cable and logitech unifying receiver(up to 6 devices on one usb receiver). This is no fun really though. So maybe use a desktop interface by using MultiROM?
If anyone has ideas please let me know.
Fix the screen 60.00 on ebay a hairdryer and you should get all the supplies you need with the lcd\digitizer combo. It's an easy fix once the screen is off
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Was in the same situation for the longest time (stuck with a Nexus 7 with a broken screen). Couldn't find a way to use it well though as a CPU type device connected to a display and keyboard/ mouse.
Ended up having the display/digitizer assembly replaced recently when I found out that prices for the replacement part have dropped by half since earlier in the year.
Sent from my Nexus 7 using Tapatalk
jpacs2007 said:
Was in the same situation for the longest time (stuck with a Nexus 7 with a broken screen). Couldn't find a way to use it well though as a CPU type device connected to a display and keyboard/ mouse.
Ended up having the display/digitizer assembly replaced recently when I found out that prices for the replacement part have dropped by half since earlier in the year.
Sent from my Nexus 7 using Tapatalk
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Click to collapse
Yeah they used to be almost the cost of a new tablet, like 160+ when I first looked into it a while back.
But I decided to buy a N7(2013) - flo. The part that bothered me is I didn't know if the screen combo comes with a bezel cause mine is cracked already and would likely be hard to get off in 1 piece. I'm enjoying the upgrade. I think the flo is the best tablet on the market at any price/size IMHO.
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