I found solution for my charging rpoblem (which was from beginning).
Now my phone charge very fast to 100% (problem with fast uncharge from 15-0% on lollipop is still).
Jiajy has hardware problem with USB portm, *VERY* thin suppy path from usb to mainboard. When i soldering new usb port with new path to mainboard it charge very fast, 2-3h to 100%.
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My Atom has been working excelent for more than 6 months.
The problem is that when I try to charge it through the AC or a USB it doesnt charge anymore, the orange light doesnt turn on and the symbol in the phone turns only for a few seconds fron the battery into a wall plug, but then nothing...
I took out the battery and then charge it and worked but only when the device is off completely not when it is on or on stand by...
What can I do?
I just made a self diagnostic and when it gets to the part of the USB/AC Charging it says battery 100% charged (it passes the test) and that is not true, battery is at 18% right know
Same...
I have the same issue where my battery always shows as 100% even when you use it to 1% its still shows 100% and then it just quit when it runs out. Damn weird.... Just happened today and I only had the Atom Exec for 2 months... Any input would be much appreciated. Thanks!
Resolved
It was faulty battery not reporting correct capacity & usage.
I had a similar problem with my Atom. It could not charge the device from USB at first, then it got worse and stopped to charge from wall outlet. What I found out was that the connection plate at mini-USB port of Atom was worn out slighlty. I solved the problem by forcing usb cable connector into a mini-USB port, so it went further a bit (half a millimeter) and now everything is Ok - no problems to charge from either USB cable or wall charger.
I had the same problem, and found out that one pin in the mini usb socket bent downwards, fixed it myself and now its working fine
ozamalloa said:
My Atom has been working excelent for more than 6 months.
The problem is that when I try to charge it through the AC or a USB it doesnt charge anymore, the orange light doesnt turn on and the symbol in the phone turns only for a few seconds fron the battery into a wall plug, but then nothing...
I took out the battery and then charge it and worked but only when the device is off completely not when it is on or on stand by...
What can I do?
Click to expand...
Click to collapse
Mate! You gotta bring it to the SC... Its the fuse. The charging loop gose through the fuse and since it doesn't charge - most likely its the fuse (yo can test it with the normal tester...) If its not the fuse, it can be either of two - UEM Chip (Universal Energy Managmnt) or your PA (power amp). You can test it by measuring the resistance on the very left contacts of the battery ON YOUR PHONE! If the resistance close to 1 - its PA...
Wouldn't recomend to replace it yourself... Go for repair centre.
It's going to be a loose USB connection...
I did it on mine a while back, you have to hit the patch cable fitting in vigorously to the unit, and then from that day forward, no problems with charging!
Clean battery + phone><batt contacts if that makes you happy (it made me reassured)
G
I was always wondering how to speed up this unacceptably slow USB charging (If you are in a low signal area with bluetooth ON then the battery is drained far more quicker than the laptop can charge it ending up with a flat battery ). Finally I tested the output from the pins of the wall charger and my Laptop. Even when the laptop is powered off (no data exchange) the USB charging is very slow. The HD seems to send a ~1v pulse through D+ channel when to connect it to USB port (even when powered off the device seems to check if it is a USB data port), but with the charger it does not!, so we need to break this communication.
So I put a thin plastic film over the D+ and D- terminals of the USB cable and voila the device charges much faster..(slightly slower than wall charger - 25% slower, can be accounted for by the lower power output of the laptop USB port, the voltage of laptop usb port is 150-200 mV lower).
While I am typing this my HD has gained 9% charge with screen on!! . Natively it charged atmost 1% by this time with screen off.
Now I am looking for a permanent mod for my spare USB cable hacking off the data lines.
For those in a hurry with nothing but a HD with flat battery USB cable and a computer at hand, worthwhile using a thin paper over the inner two pins of the USB cable on PC side and plugging it in. (You do this at your own risk).
Hope it helps others too. Let me know your experiences.
With my Desktop USB port, charge rate is better than wall charger if you block the data pins. The port seems to be capable of 1.5 amp at 4.96 v
Also ensure that the USB cable snugly fits the mini USB port on HD.
Could this be also the problem why (my) Blackstone doesn't receive a TMC-signal with HyperGPS & iGO8 while charging in my car?
It's a genuine car charger from HTC, so I should say these pins are already "shut" from connection, or am I wrong?
I have a usb cable that is dedicatet for charging. It dosent have D+/- wires. With this cable on my laptop the charge time form about 20% is more than half of regular USD cable..
The cable was supplied with a car BT handsfree.
Regarding the TMC issue Im not shure, Try asking the guys that developed HyperGPS they might know, if not they might be able to fix if they arent aware of the issue
Interesting tip, thanks... I've lost my charger and have been finding it a pain to charge it using the USB port on my laptop.
I cut a small strip of paper from one end of a sticky note, and stuck the adhesive end to the outer flat surface of the USB plug to secure the strip in place. Seems to have done the trick, because the charging light is on and the PC hasn't detected the device. As for how long it takes to charge... will have to wait and see.
Also, I was wondering if there was any difference in charging speed (i.e. when charging via USB normally without using this trick) between activesync and file transfer mode?
I fried my charging port socket (don't ask -- coffee, I think). It smelled burned and the charger tip would get hot in the port. I bought a new charging port panel and properly installed it with the protective film removed from the bottom and carefully connected the ribbon cable. The phone will not accept input through the charging port micro USB, but it will charge on a wireless charger. Could I have fried the connector at the battery through which the plug-in power goes? Is there a separate circuit that inputs current from the wireless charger? Could that explain why changing the charging port circuit panel did not fix the problem? Should I buy a new battery and try that? Diagnostic help would be appreciated.
Hi everyone;
I've having an interesting time with my nexus 7 (2012 wifi 32gb).
Before I left on vacation I couldn't get the thing to charge. Looking at the usb port I thought it had become to damaged to make a good connection. So while I was away I ordered a new port assembly. Installed that and still no charging.
Oh the battery cell voltage had gone down to 2.2V so it's in a sleep mode. No problem used a proper lion charger to trickle charge it back to life then further to about 3.8V.
At that point it boots up though the optimization took the charge down to 2% so couldn't do more testing but clearly it worked just fine. However the thing won't charge. Plugging it in to USB it does detect the connection but does not draw any current (as shown by a usb voltage/current monitor). It will show the charge screen, go through 3 cycles of the battery filling animation then shut off.
I check and the voltage is getting from the usb cable into the connector. I traced the ribbon cable from the IO board up to the motherboard and at the other end I also get a nice 5V reading. Clearly the connection from the USB to the device is being made no problem.
At this point I am thinking that maybe I blew the charging circuit. When I was orignally trying to get it to charge before leaving I was applying all kinds of stress to the connector to get it to charge and there was a few times where I think I shorted it (usb monitor showed >3A and the device reset).
Anybody have another theory?
At this point I can't really use it as charging the cell externally is dangerous and not convenient. At this point from what I have seen with my testing and on here if I want to use it I would have to apply 5V to the battery connector (sans battery) which I haven't tried yet.
The charge port of my son's 6P stop charging. Since it was so "wiggly" that the USB-C charge cord would barely stay connected (suggesting to me that my son had been too rough in plugging-in and unplugging his charge cord until he broke the charge port), I decided to replace the daughterboard which has the charge port on it.
I ordered a new daughterboard, opened the phone and replaced the existing daughterboard with a brand new one. Now the charge cord fits snuggly. But it still doesn't charge.
The wide ribbon cable which runs down from the top of the battery area to the daughterboard is reconnected. The antenna lead is reconnected. All connections are snug. Still no charge.
Q. - What are the most likely failures that would explain this?
I wouldn't expect multiple components (like charge port and battery) to fail simultaneously. The original charge port was definitely worn out. What am I missing?