ok, the connector is broken.
I disassembled cover parts,
fixed connector,
I'm sure there is 5V inside (the connector inside I measure by voltagemeter) when I plug-in the external charger. The connector has 3 pins for GND and 3 pins for 5V and I'm sure there is volatage inside.
But the battery is not charging. O/S say the battery status as remained, but do to charge.
how to fix? what next to check?
crying:
You could check to see if the protection fuse has blown, if so you can bridge the circuit, if you search for charging or charge on the forum you will find pictures and methods.
the protection fuse just beside the battery? under small piece of white scotch tape?
fixed
thanks for suggestion.
yes, it was broken micro fuse, the one right beside the connector pins on motherboard.
Glad to be of assistance, hope its all ok now. 8)
help
Hi Jgui, could you tell me how you managed to repair borken connector at th bottom??
I search for a repair shop for my MDAII or th way to do it myself...
thanks a lot for your answer
Hello,
I recently acquired an XDA 2 with broken terminal. I soldered a new terminal to it. It is synchronizing fine and charging from USB but it is not charging from main or car charger. Apparenlty all solders are OK and pinout are as they should be (accoring to other postings on this forum). Pins 20, 21, 22 are showing connectivity among themselves and to positive terminal of standard charger. Pins 16, 17 and 18 showing connectivity among themselves and to ground (and negative termial of charger adaptor).
I used more than one chargers and checked voltage. Everything seems OK.
Any idea where the problem may be?
Thanks for assistance.
If it's charging via mini-USB, you need a charging cable when charging from a non-data source. These differ from normal USB cables in so much as they have pins 4-5 shorted together.
As an alternative, try resetting the phone with the cable plugged in. Sometimes this is enough to false the circuit to initiate the charging sequence. This emulates what happens when charging via a PC's USB port.
hey
i have a broken conector two!But i am from romania and i can't find here to buy! how muxh was it?
http://forum.xda-developers.com/showthread.php?t=310441&highlight=himalaya+connector
this guy would know where you can get the connector and what it's partnr is
andreibbc said:
i have a broken conector two!But i am from romania and i can't find here to buy! how muxh was it?
Click to expand...
Click to collapse
Hi andreibbc,
I took the connector out of an XDA (with broken screen!). You may buy new replacement from ebay (see item number 260138794518) but it will require good soldering skills!
liquidsilver said:
If it's charging via mini-USB, you need a charging cable when charging from a non-data source. These differ from normal USB cables in so much as they have pins 4-5 shorted together.
As an alternative, try resetting the phone with the cable plugged in. Sometimes this is enough to false the circuit to initiate the charging sequence. This emulates what happens when charging via a PC's USB port.
Click to expand...
Click to collapse
liquidsilver, thanks for your prompt response.
By mini-USB do you mean some special connector? I do not see any mini USB connector in the phone itself. It is charging through sync. cradle using usb connection, irrespective of whether main charger is connected or not. If I remove usb connection from computer it stops charging.
Please advise how to reset the phone with cable plugged in? (I assume you are referring to standard main charging connector)
http://forum.xda-developers.com/showthread.php?t=242772&highlight=connector
this guide show how to put in a miniUSB connector to replace the
org buttom connector of the devices
Rudegar said:
http://forum.xda-developers.com/showthread.php?t=242772&highlight=connector
this guide show how to put in a miniUSB connector to replace the
org buttom connector of the devices
Click to expand...
Click to collapse
Thanks for your response.
Since original connector (after resoldering) is working fine except main charging, I would rather keep it.
I would prefer trying options that will keep the existing connector such as resetting phone (as suggested by some other member, how?) or finding the actual cause of problem (including short connectors)
Any assistance will be of help?
i'm not 100% sure what your issue is
if the device is no charging
the most plausble reason is
broken legs on the connector
or bad solvering to the pcb for the chargning pins
or wrong connections
http://wiki.xda-developers.com/index.php?pagename=Connectors
Rudegar said:
i'm not 100% sure what your issue is
if the device is no charging
the most plausble reason is
broken legs on the connector
or bad solvering to the pcb for the chargning pins
or wrong connections
http://wiki.xda-developers.com/index.php?pagename=Connectors
Click to expand...
Click to collapse
Let me restate the problem.
I got an XDA II with broken connector. I took connector from and XDA (all legs intact) and soldered it to XDA II. Apparently soldering is fine.
The set is now synchronizing fine and charging while synchronizing (through USB and not through main charger). If I remove USB from computer it stops charging even if the main charger remain connected to synchronizing dock.
As long as direct main charging or charging through car adaptor is concern, Pins 20, 21, 22 are showing connectivity among themselves and to positive terminal of standard charger and Pins 16, 17, 18 showing connectivity among themselves and to ground (and negative termial of charger adaptor). If I am not wrong these are two sets of pins that are needed to be connected for main charging. I have checked main adaptor and tried more than one adaptors with same result.
My questions are:
Is there any other pin that may be short (or not connected) that is causing main charging to fail?
Is there any other possible component failure and if yes, which one and how to check it?
If the main charging has some programming part associated with it, is it possible that a reset may restart charging? if yes, how?
I hope the problem is clear now.
Thanks for your assistance.
msu said:
Let me restate the problem.
I got an XDA II with broken connector. I took connector from and XDA (all legs intact) and soldered it to XDA II. Apparently soldering is fine.
The set is now synchronizing fine and charging while synchronizing (through USB and not through main charger). If I remove USB from computer it stops charging even if the main charger remain connected to synchronizing dock.
As long as direct main charging or charging through car adaptor is concern, Pins 20, 21, 22 are showing connectivity among themselves and to positive terminal of standard charger and Pins 16, 17, 18 showing connectivity among themselves and to ground (and negative termial of charger adaptor). If I am not wrong these are two sets of pins that are needed to be connected for main charging. I have checked main adaptor and tried more than one adaptors with same result.
My questions are:
Is there any other pin that may be short (or not connected) that is causing main charging to fail?
Is there any other possible component failure and if yes, which one and how to check it?
If the main charging has some programming part associated with it, is it possible that a reset may restart charging? if yes, how?
I hope the problem is clear now.
Thanks for your assistance.
Click to expand...
Click to collapse
Forgot to mention one thing which is that Pin 2, which according to connector diagram should be ground/ sensing is not showing connectivity with ground or with Pins 16, 17 , 18.
Does it affect main charging? and should I ground it?
Thanks
Hi,
I currently repair XDA Exec's for a client of mine who use them for their delivery drivers. They are constantly breaking the screens which are easy to fix, but more often than not they smash off the usb connector and leave it rattling around inside. This is not usually a big problem to fix unless the pads that the 5 pins are soldered to have been ripped off the board. I have found that even if I successfully replace the connector with a new one and solder the two outside pins (which are the gnd and 5v pins) the battery will not charge. The puzzling thing is, if I remove the battery, the red led comes on, presumably indicating power to the device. As soon as I connect the battery the led goes out and the unit boots up only to reveal that it is not charging. So I'm presuming two things:
1. There is some other electronic component damage in the unit caused when the connector broke (due to it being on the end of the charger cable at the time, if this is the case I will scrap the unit)
2. There is some feedback from the battery that the charger needs to continue with it's output and because I didn't reconnect the data pins it won't charge.
Does anyone know how the charging circuit works and what pin / connections are required for charging. I guess the same principle will apply to many PDA's & mobile phones.
Thanks
Rick
http://wiki.xda-developers.com/index.php?pagename=HTC Universal Service Manual
http://pinouts.ru/Slots/USB_pinout.shtml
mini usb is a standart anyway
.Lemon
Hi,
Thanks for your reply, call me a lemon but what utility do I need to unpack a .lemon file ?
Rick
Lemon Head
Forget that last post ok...
Hello, I want to adapt the old trinity cradle battery charger with the battery of topaz.. I would to like to know the meaning of the pins. With the tester I've noticed that all the pins in the phone have power. So I would to know if I need to connect all 4 pins to get the battery charged.
I'd need also the pins of the trinity since there are 6 instead 4 of topaz.
zooster said:
Hello, I want to adapt the old trinity cradle battery charger with the battery of topaz.. I would to like to know the meaning of the pins. With the tester I've noticed that all the pins in the phone have power. So I would to know if I need to connect all 4 pins to get the battery charged.
I'd need also the pins of the trinity since there are 6 instead 4 of topaz.
Click to expand...
Click to collapse
Your dealing with some tricky monitoring and balancing circuitry (which is required for all Lion and LiPo batteries) and an accident could cause a fire or in extreme cases an explosion) so be warned and be careful.
You will have to find a source for a service manual for both phones.
Hi folks,
I'm trying to fix my old Nubia with a broken USB port by bypassing the port.
Since it's soldered to the motherboard, it's almost impossible to solder right on the usb pins.
But I've noticed testpoints, and found the VCC one, on which I soldered a wire. another being soldered to the outside of the port for grounding.
I thought I would be able to charge it that way, but it's not showing any signs of life (with or without the battery)
So I have 2 questions:
-can I charge through the testpoints ?
-do I need to send a signal to the ID pin ? (I guess not, I opened up a charge only cable and it had only 2 wires)
Pic of the connector
I tried charging it with a lab psu and an Aukey Quickcharge 2 charger
Thanks for your help