Clean Pogo Pin Power? - Xoom Q&A, Help & Troubleshooting

My Xoom sometimes has intermittent issues where it will stop charging if the pogo pin is bumped. Is there a way to clean the internal port? I was thinking turn the tab off, dip the pin in rubbing alcohol and put in the port a few times to clean it. A la the instructions for headphone port cleaning. Just wondering anyone else's input.
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Charger Port.

The port on the phone seems broken. It charges but the cable doesn't stay in as tight and subtle movements causes through cable to come out. I have the usb port door all the way open. Any fixes?
Sent from my SAMSUNG-SGH-I897 using XDA App
Mine seemed like it needed to wear in, it did the same things as you described but after a while both my BB cable and Samsung cable fit snug.
Not sure what others have experienced.
You sure you're giving it that extra push at the end, and hearing the click of the door locking into place? I've never had the problem of my cable falling out or being held in loosely. In fact, the one time I dropped this phone was when I picked up my laptop and didn't realize the cable was plugged into it. Phone fell to the floor, still attached to the cable.
Make sure you hear that click at the end!
Sent from my SAMSUNG-SGH-I897 using XDA App
If you're using the Samsung cable, make sure the door really opened and clicked. It is quite hard on mine to open all the way especially with the hard shell case on.
If you're using 3rd party cable, most of them don't fit. You need to shave off the extra plastics to allow it to fit into the charge port.
My Samsung cable fits really loose now. The little retaining clips on the Samsung USB cable seem to be bent. The Motorola Mini to Micro USB adapter still works great though.
When using OEM Crackberry cable you just need to shave less than 1/8th inch off the side of the connector that faces away from you. (When captivate screen is facing you)
Sent from my SAMSUNG-SGH-I897 using XDA App
The door is all the way open. I hate not being able to use the phone while it is charging in fear of the cord coming out. I hope its the cable and not the phone.
Sent from my SAMSUNG-SGH-I897 using XDA App
i use my finger nail to push the metel in (phone microUSB port) to make the hole smaller and tighter.

Defective micro usb connection interface

I just had to exchange my phone because it was not always charging when it was plugged in. I thought perhaps it just wasn't connected properly, but I would plug it in and any pressure I put on the cord would cause it to loose the 'plugged-in' icon. Now of course I'm paranoid that the new one (which seems better so far) will break in a similar fashion. Has anyone else had a similar issue? It looks like some folks on the Vibrant forum are reporting a similar problem.
This might be a silly question, but did you have the door slid ALL the way open? I know I read about a few people didnt "click" it all the way open and the cord would barely fit in there and loose connection easily. The door slides open and feels like it stops, but it will "click" over to lock it open all the way.
~T.J.
Yes. I read those threads too, and I'm sure it was a hardware defect.
I had the same problem. Exchanged it. No problems anymore
Sent from my SAMSUNG-SGH-I897 using XDA App
me too
I have the same problem. My door is absolutely slid all the way open but my micro USB slot is loose. I don't know how this happened since I use a backup battery charger to charge the a spare battery and then I swap out batteries so I never even plug up the charger. I use a bluetooth stereo headset so it wasn't the wired headset bouncing around that loosened it up. The only time I use the USB cable is to tether and all of a sudden last week I started loosing the connection with the laptop on my lap. If I have everything sitting on a desk untouched it is fine but as soon as you touch the phone or move the laptop much the connection is lost. I have to set the phone down in a way that puts it at a certain angle so that a connection is made.
I don't mind swapping out my phone but DANG, I paid 15 bucks for my screen protector and I got it on there perfectly!
I called att. They sent out another cable. Turns out it was the cable and not the micro USB on the phone.
Interesting...I never tried a different cable.
Sent from my SAMSUNG-SGH-I897 using XDA App
My phone also have this issue.. But it's charger related.. Sometimes the Traveler Adapter simply disconnects from the wall outlet.. So i'm using the iPhone adapter instead..

5 Metal Spots running down Rear Right Side

Just wondering what the 5 metal spots running down the lower rear right side of the phone are for? A rapid charging dock??
I believe that's the dock charging contacts
Sent from my ROOTED HTC One X using xda premium
Pogopin docking
On a related note... I noticed that the HTC Car Dock does not have the contacts for the pogopin. How does it know to automatically launch Car mode when it's inserted into the dock? Are there embedded magnets or something?
rushwal said:
On a related note... I noticed that the HTC Car Dock does not have the contacts for the pogopin. How does it know to automatically launch Car mode when it's inserted into the dock? Are there embedded magnets or something?
Click to expand...
Click to collapse
No there's something in the usb cable that triggers it, like an extra lead or something.
The car dock will not use those pins.
The car mode is trigged probably by an resistor between pins 4 and 5 in the USB cable.
Sent from my HTC One X using xda premium

Dock pins? anyone know the pinout?

Just wondering if anyone knows the pinout for the 5 contacts on the back so i could make myself a speaker/charger dock until an official one becomes more available.
I've wondered this myself. After running a meter across the pins. Pins 2&4 seem to accept a voltage pin 5 is a ground I think. I feel through a guesstament that it follows the USB pinout in flat lateral form.
Sent from my HTC One X using xda premium
Usually I would literally just test each pin to see what was what but obviously being an expensive phone and canceling my insirance I do not want to short anything out, and yes it seems logical for one of the end contacts to be a ground, did you put a voltage into pin 2 & 4? If so how much?
Sent from my HTC One X using XDA App
I've been getting read to cut an older USB cable and test that way. But I used 4.4 volts. I to don't want to kill the warranty by ripping the phone apart. After I cut the USB I'm going to make a jig and do tests. If I find anything out I'll post here.
Sent from my HTC One X using xda premium
It's the micro USB pinout in pogo form..
1. 5vcc
2. Data -
3. Data +
4. Audio out mono
5. Ground.
Left to right pinout with the camera facing your left shoulder.
Sent from my HTC One X using xda premium
Thank you, I shall post a pic of homemade dock when I have the time to make one.
Sent from my HTC One X using XDA App
Ok. I tested. Connected HTC ONE X to lab power supply (5V 1A limit) and after a while (2-3 seconds) is started charging and 0.44A was flowing into phone. It was almost fully charged at the time.
Does anybody know how to get audio out on audio out pin?
And why Data - pin has 1,8V in reference to ground at all times?
edit:
Ok. I measured again. 0.44A and phone goes to charging (USB). I don't have time today to see what happens if you connect Data + adn - pins...
But still no luck with audio.
dkirchik said:
It's the micro USB pinout in pogo form..
1. 5vcc
2. Data -
3. Data +
4. Audio out mono
5. Ground.
Left to right pinout with the camera facing your left shoulder.
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
can you do USB OTG out via POGO?
z0bug33 said:
can you do USB OTG out via POGO?
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Click to collapse
i wonder that too, "4. Audio out mono" is this really correct ? or is it the yellow identifier in a normal micro usb
Vcek said:
i wonder that too, "4. Audio out mono" is this really correct ? or is it the yellow identifier in a normal micro usb
Click to expand...
Click to collapse
Bump
hey guys you can check this site out http://techno-fix.com/ . i found my pinout searches there. there are very usefull things
hey guys i just had this thing in mind...many a times my hands get a bit sweaty or its very habitual for me to kinda use the phone wid wet hands..
can the contact with the docking pins cause any issue?

[Q] Who has had to fix your broken port?

I've broken my micro usb connector twice. Never had this issue with another phone. Anyone else have this problem? I guess I'm going to have to limit the number of connections after getting my phone fixed this time. I wish I could get a more robust port. Shouldn't this be a standard part across phones since pretty much every phone has the same port? Or am I wrong? Just curious if a company makes a more robust port that can be retrofitted to this phone?
Thanks everyone...
Uh, I've never had a problem and I take my card out quite frequently. How are you removing your SD card?
Sent from my SCH-I510 using xda premium
kvswim said:
Uh, I've never had a problem and I take my card out quite frequently. How are you removing your SD card?
Sent from my SCH-I510 using xda premium
Click to expand...
Click to collapse
I connect my ac adapter several times per day. At least once in the morning, twice in the car, and once at work. Connecting and disconnecting the micro-usb cable seems to somehow break the connection so that the port stops charging. It doesn't seem to be a case of the port being loosened. The connection is still tight and fits properly. It must be something inside the port that is breaking. Eventually I have to jiggle the cable to get it to connect properly. Then eventually the connection is broken and cannot connect to charge the phone. At first I thought it might be because I was using Belkin cables or connecting the phone to the Samsung desktop dock station. However after the port broke once, I then only used Verizon cables and stopped using the dock station. It broke again. I've seen others reporting the same issue. I don't know how widespread the problem is with the phone. It's frustrating because I would probably keep the phone past two years were it not for this problem.
Mines broken too as of recently too. It will charge off and on all the time. Sometimes I wake up charged, sometimes dead. Rofl
Sent from my SCH-I510 using Tapatalk 2
D'oh! I could've sworn this said SD card and not USB port. My bad.
I've never had a problem with my port and I charge every night. I actually keep switching out batteries so I really don't have to stay on a charger. Dunno what to tell ya. Maybe you're too manly and rough?
Sent from my SCH-I510 using xda premium
The connection in mine is pretty hit or miss. I have to clean pocket lint out of it once in a while. That helps for a while. But even with that it doesn't seem to click into place like it used to. I put mine in the car dock every time I go somewhere and I'm always plugging it in to charge since I use my battery up too fast.
I have yet to break the port on my device, but I gave gone through several third party chargers which all broke.
Sent from my SCH-I510 using Tapatalk 2
kvswim said:
D'oh! I could've sworn this said SD card and not USB port. My bad.
I've never had a problem with my port and I charge every night. I actually keep switching out batteries so I really don't have to stay on a charger. Dunno what to tell ya. Maybe you're too manly and rough?
Sent from my SCH-I510 using xda premium
Click to expand...
Click to collapse
It did say SD-Card. My bad...I went in and fixed the typo...Sorry about that...
Charge Not Charging!!
Wow I had no intentions what-so-ever to post about this micro usb connector issue that I have also been having until I came across the thread title. I would have just kept thinking it was my own fault for man-handling it or something. I have gone through several micro usb charging adapters for my non-charging droid charge. What a giant annoyance. I find if you press the cord into the port to charge and hold it at the right angle...for several hours straight...it will maybe work. Sometimes. In all seriousness though I found that the extremely short samsung adapter cord that the phone came with does the best job. Tried cleaning out the inside of the port too with small toothpick and it didnt even seem to have any gunk build up in there. I brought it to Best Buy and they said if I wanted to try soldering the tiny connector inside the port more securely to the motherboard in the phone...it might help...
I would happily keep my droid charge for a while longer if I could resolve this issue...even though the thought of upgrading to the Note 2 is pretty enticing...but id rather hold off on dropping 3 bills at the moment.
Does anyone know if Samsung will do anything about this issue if I were to call in about it or send it in to be checked out? Verizon stores apparently dont do any physical repairs.
seems to be a big problem with this phone. my cousin had 2 go bad and i had one so far.
I also had one go bad actually
As long as I keep the pocket lint out of it it's not too bad. But even at that I have to be real careful when it's plugged into my computer. It's liable to lose the connection at the slightest wiggle.
Sent from my SCH - I510 running Tweaked 3.0 + ICSorcery with Tapatalk 2
I stay in hotels alot...so I go ask to dig thru their box of lost chargers behind the desk and find a micro USB charger and I use my factory one for Odin flashing...as for the port inside my phone I never had a problem...just the factory cord has gone out on my fascinate and this charge...needs a face down charge with the factory cord or it won't work...lol
Sent from my SCH-I510 using xda premium
stueycaster said:
As long as I keep the pocket lint out of it it's not too bad. But even at that I have to be real careful when it's plugged into my computer. It's liable to lose the connection at the slightest wiggle.
Sent from my SCH - I510 running Tweaked 3.0 + ICSorcery with Tapatalk 2
Click to expand...
Click to collapse
the guy at mobiletechvideos dot com can fix it. Highly recommended
garryo said:
the guy at mobiletechvideos dot com can fix it. Highly recommended
Click to expand...
Click to collapse
Thanks I'll take a look at that.
Sent from my SCH-I510 using Tapatalk 2
Agreed
garryo said:
the guy at mobiletechvideos dot com can fix it. Highly recommended
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+1

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