Database Info

[Q] Powering a TF-101 with a dead battery

I did something drastic today. I ripped apart the old TF-101 keyboard (already broken prior) to get at the battery pack inside, opened my son's Transformer, and swapped out the dead battery inside with the one from the keyboard, only to find out that... the other pack is just as dead as the one already inside the Transformer.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
I get the same red battery icon when I try to turn on the Transformer I just reassembled using the other battery. Now, I could in theory remove the battery from the second Transformer I have in order to do this, but opening up one of these things and extracting the battery is a non-trivial task to say the least, and I don't relish doing it again. A new battery is rather expensive, at around $40 + delivery, and to be frank I'd rather just spend that $40 as part of the cost of a new tablet. However, it turns out that there are some files inside that thing that I want to be able to recover (mostly photos and videos), so I'd ask what options I have for attempting to power up that thing one last time to extract the data from it. One way would be to use the working Transformer's battery, but that is obviously quite out of the question. I could put the thing on a lab bench somewhere (just assume that I have the facilities to be able to do this) and feed it with 7.4 Vdc along the same 8-pin header that the battery uses, to fool the tablet into thinking it had a working battery, allowing it to boot. What do the wires do, and what voltage levels should they have in order to make the tablet think it has a good battery?

There is a USB mod on the forums here somewhere to feed 1 USB port on your machine 12v instead of 5v using a 12v molex feed from the PSU, which allows charging from a USB port, which would also allow data access from the same port
I`ll post a link if I find it
EDIT - Could be here somewhere
http://forum.xda-developers.com/showthread.php?t=1087321

[Q] No signal after screen replacement: Damaged motherboard?

I was doing a screen replacement on a Nexus 5 and a small part from the motherboard fell off.
3 pictures to illustrate the problem here:
http://min.us/mKOC4FQe6F0HI
Afterwards, the mobile connection was a lot worse than before. Now, 2 weeks later, the phone's connection has become unusable and it constantly shows no service. Only very rarely does it have any sort of connection (Edge/3G/H/4G).
Questions:
1)What is the part that came off? (see album above) My knowledge is a bit limited but I'm quite sure it has to do with the connection? I notice there are 3 other parts exactly like this spread over the motherboard.
2)Can I repair it? Do I glue it back on? Do I solder it on? Does it somehow click on? (I have tried if it clicks but this part is so tiny it's almost impossible to really handle
3)Based on my explanation, do you think this tiny part is the only cause? The phone still had some connection at first but it got worse. I'm also planning to order replacement antenna cables to see if that helps.
Thanks in advance!

{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

In my case.. I had to replace the charging circuit Cuz it was 'broken' as described by the cellphone shop.. It has connections to the antenna.. Now phone is fully working.. Before that though, I tried different sim cards with different companies (bell Rogers and fido) all worked on my phone except my carrier sim card (mobilicity). After replacing the circuit I just mentioned everything works fine. Cost is 25$

Needs solder it's an rf trimmer /radio frequency. It's vital to an ariel of one type or other. If you want to risk a bodge assemble everything except the back and hold it in place with bluetack. If it works I was going to say epoxy it but don't. Get someone to solder it. It's easy to do if you have the skills.
Oh vital it's right way round and has now been turned. There should be a slot for tuning it.

[Q] Can a Vacuum Cleaner Damage the Phone? (Water Danage Repair)

Sorry for Asking this but....
i know a lot of things about Water-Danage and how to repair! Like a real expert...
But there's actually one thing i'M worry about.
Can a Vacuum cleanaer cause Additional Damage? (...to the phone)
Sorry for this stupid thing but... here's the Stroy....
i did put a phone into the water that i found on the bulktrash (Galaxy Pocket GT-i5300).
It survived for around 2 Minutes, then the Screen did not react to Touches anymore. 10 seconds after that the Screen started to Flicker, what i expected. But it was still working. Also the Buttons and the Home-Key were still alive. No ONKEY 7S RESET!
I did dry it out, put all components out. The Screen was unver!Ƶügleich off, when i removed the battery.
Then i sucked with a Vacuum Cleaner for around 30 Minutes. No distance to the Phone.
Is this dangerous? Can it cause additional damage to the phone?
Now it's inside of the rice. (I haven't got any destilled water or Isopropanol-Alcohol at home! Well... i have got a little bit of destilled water but i'll use it if the rice didn't help. Yes, i know! First Isopropanol, then destilled water, and rice after that, that's the order but...)
Actually, after 30 minutes of Vacuum-Cleaning there was no moisture under the Camera anymore!
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

If you give an Answer, then please give a reason. Why is it like that?
If you don't know why, and just have heard this from somewhere, then just answer. - ·

It's interesting to see, how Fones operate Underwater!
I truly Love Water tests!
The GT-i5300 Galaxy Pocket is also very Phýsically robust!
--------···
IsopropAnôl is good for Dirtwater-damaged Phones! #Water·daamage
In the Galaxy pocket, there wasn't any Indicator! Only a kind of White surface Instead!
(I'll take a Photo, then i'm going to upload it right here.!)

Result after 12 Hours
12 Hoours in Rice, still not working. I know, 12 hrs. are too short!
Let's put it back agian...
(This is the First timeEVER, that i use the Clock-Icon in a post!)

Va(uum Cleaner Damage - is it Possible?
I used the Vacum Cleaner for About 41 Minutes.
I heard that a Vacuum Clener can cause Static Shocks (WikiHow)
...or that it can „damage Micro-Particular Hardware"“
This is the 2nd Time , that i use the
-Icon in a Post! I call it „the ,LolliPop-'Icon'!“

Oh, no! Second Thread Page!

How to fix unresponding digitizer

So I bought a replacement screen, it became unresponding to touch within a few days. After sending it for a replacement the new one had the same issue right away. This time I desided to give it a go fixing it myself. I'd like to share with you how to fix this problem.
First of all the problem, the touch screen is not responding; its feeling very warm when you turn on your phone on the left down corner. The left down corner is where the screens hardware chip is located.
There are enough video's on youtube how to dissable your phone; so I will skip that part. Remove the screen and continue reading.
==================================================================================
Remove the copper carefully, try to keep it in one pieces. Its probably a ground field to keep interferences away.
If you dont want to remove the white plastic frame of your screen, you can cut it carefully for a little. Make sure you cut as less as needed and never cut it completely. Don't cut it near connections.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
After remove the copper you see an L shape of components, protected for short circuits by an L shape on the copper plate. These are circled with red.
Then also note there is an arrow on the picture, showing there are more conductors, but these are unprotected! Pressing on the screen cause short-wiring here. Fix it by placing some kind of protector on it ( insulation tape or something like that). Place the copper back and assemble your phone!

Thanks. You have resolved a long standing problem with my 1020, two displays later.
For others:
To insulate those exposed components use the proper stuff. Kapton tape. Google it. Sold by electronics suppliers and on ebay.
Also, look carefully at the circuit board for uninsulated vias. Vias are the small holes that join tracks between layers in the circuit. They look like a small gold circle with a tiny hole in the middle. Cover these too.

Thank you so much ! :good::good:

You are a genius

Need Expert advice on DIY for OPO

Hi guys,
Yesterday my OPO fell down on a busy street and ran over by truck, cars and bikes. The display is completely broken. I tried turning on after that but the phone is not vibrating.
I took my device to service center today, but he said he tried changing teh battery and boot but no luck. So display and logic board needs to be changed.
So I decided tear down and wanted to run few steps.
1. Tried booting with wall charger but without battery - not heating, not booting
2. Connected battery and no wall charger - no luck, board not heating.
3. Connected battery and wall charger - board heating but not booting.
In all the above cases the rotor on the bottom is not spinning.
Question
1. Why board heats in step 3?
2. I plan to buy the display and battery, how do I make sure the board is perfect. BTW the board looks perfect?
3. In all the above tests, the SIM card is inserted and waited for few minutes and tried dialing my number but it says Switched off all the time. Is that mean the device is completely dead?
Need constructive replies please.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

If your device has really been ran over by truck or car, I don't think anything in the device will survive. (Maybe the plastic cover is flexible enough to withstand such pressure, but the motherboard is definitely not so strong although on the outside its not wrecked) As for the motherboard heating then wall charger and battery in, I suggest that it's because something is short circuited in the motherboard.
Sent from my ASUS_Z00AD using Tapatalk

Only heating with battery hooked up sounds to me like you are on the right track. The chip packages don't have internal wires to break these days. Good luck and report back.

I received my battery yesterday, I tested it, no sign of notification light, vibration during turn on. I tried connected it to PC, but dont know which process to look at. Any help?
Update: The process is "windows driver foundation user mode driver framework host process" but it shows when connected by other android not mine [broken opo]