Reform yourself making mobile phone charger, USB data cable and headset

Reform yourself making mobile phone charger, USB data cable and headphones

Many reasons made cell phones for models, charger, USB data cable and earphones since the original machine can not buy the charger cable and headset, to tell you here yourself, use the other line conversion method: This method is suitable for a certain practical ability of the machine friendly, if a novice, it is recommended not to do the same action! Many domestic phone because the model because, charger, USB data cable and earphones after the original machine can not buy the charger cable and headset, to tell you here yourself, with other line conversion method: this method is suitable for a certain Friends of practical ability of the machine, if a novice, it is recommended not to do the same action!

Tools ready: Tools to prepare:

1, multimeter a 1, a multimeter
2: The full line phone socket pin plug a 2: The full line phone socket pin plug 1
3: The maintenance of a power table (need short-circuit protection) 3: The maintenance of a power table (need short-circuit protection)




Specific steps: Specific steps:


First, find the GND line measurement is the earth! Ground the negative battery terminals and the general line of metal parts. First, find the GND line measurement is the earth! Ground generally negative and the line connected the battery part of the metal shell.

1: first data plug the phone socket. 1: first data plugs into the phone socket.

2: Insert the phone jack from the plug on the measured and the phone line GND (ground) line, and make their own records (pin algorithm depends on the individual) 2: Insert the phone jack from the plug on the measured and the phone line GND (ground) line, and make their own records (pin algorithm depends on the individual)

3: GND from the plug on the line leads to a line, the power supply line of the table GND GND line connected to the plug. 3: GND from the plug on the line leads to a line, the power supply line of the table GND GND line connected to the plug.


Second, find the charge measurement of foot Second, charging feet measured to find out


This is the way to do chargers, chargers, brand-name computers adapters please use the output voltage of 5V - 500MA of the change. Other error: the first table to adjust the power voltage 4.5 ~ 5.0V, the phone battery and boot, and then table with the power plug point cathode forceps head pin on each data line (GND Line) when they heard a beep sound while on the phone screen display when the charger is connected to this pin for the charge that line into, release Photo neutrons beep cell phone screen while the charger has been removed, the charge lines into the foot is generally two or three lines connected to a small number as a separate existence of good records at this time XX pin (charging feet). This is the way to do chargers, chargers, brand-name computers, please use the output voltage of AC adapter 5V - 500MA of the change. Other error: adjusting the power supply voltage table 4.5 ~ 5.0V, mobile phone battery and boot, and then table with the power plug point cathode forceps head pin on each data line (GND Line) when they heard a beep sound while on the phone screen display when the charger is connected to this pin for the charge that line into, release Photo neutrons beep cell phone screen while the charger has been removed, charging into the line is generally two feet or three lines connected to a small number as a separate existence, then good records XX pin (charging feet).


Third, measurement start line and find the USB D + D-line Third, measurement start line and find the USB D + D-Line


Ibid method, the positive power supply form interface forceps touch other pins, caused when the touch screen mobile phone will enter the U disk mode, make records of the feet, continue to touch down, when the mobile phone screen displayed again will enter the U disk mode again, make records, they continue to touch down, when the mobile phone screen prompts to enter the third U disk mode, make the same record, when measurement is completed. Ibid method, the positive power supply form interface forceps touch other pins, caused when the touch screen mobile phone will enter the U disk mode, make records of the feet, continue to touch down, when the mobile phone screen displayed again will enter the U disk mode again, make records, they continue to touch down, when the mobile phone screen prompts to enter the third U disk mode, make the same record, when measurement is completed.


Connect the data cable Connect the data cable pin pin

Number of law USB cable: 2 square hole facing up against the computer USB interface. Left U1 - Power, U2 - D-U3 - D + U4 - Ground Number of law USB cable: 2 square hole facing up against the computer USB interface. Left U1 - Power, U2 - D-U3 - D + U4 - Ground


Measured separation of the final step into the line U disk mode, in which two of 1,2,3 definitely separated between the neighbors, and these two were near the line separated by the inclusion of the USBD + and USBD-. Separate the last step into the measurement of the line U disk mode, which definitely 1,2,3 between two of the neighboring apart, these two were near the line separated by the inclusion of the USBD + and USBD-.


Another line for the USB BOOT (USB activation line) will activate the pin and USB charging pin is connected to USB power cable (that is, + U1 - power supply) Another line for the USB BOOT (USB activation line) will activate the pin and USB charging pin is connected to USB power cable (that is, + U1 - Power)

GND = computer's USB mobile phone interface to the GND line U4 - ground GND = computer's USB mobile phone interface to the GND line U4 - ground

Mobile phone charging pin USB BOOT = computer USB interface to the B + line U1 - Supply Mobile phone charging pin USB BOOT = computer USB interface to the B + line U1 - Power Supply

The two adjacent lines into the U disk mode D + = USB interface and the D-line The two adjacent lines into the U disk mode = USB interface cable D + and D-

Interfaces with the USB cable connected and lead after the phone off insert the USB plug end into the computer, if the lower right corner of the computer screen prompt new hardware found, USB download cable made the whole process is completed Interface with the USB cable connected and lead after the phone off insert the USB plug end into the computer, if the lower right corner of the computer screen when prompted to find new hardware, USB download cable made the whole process is completed

If the computer screen prompts lower solutions do not recognize the USB device, please interfaces D + D-lines are inserted again after the data exchange line to the computer's USB socket on the bottom right corner of the computer screen prompts found new hardware, that done to correct process. If the computer screen do not recognize the next solution prompted USB device please interfaces D + D-lines are inserted again after the data exchange line to the computer's USB socket on the bottom right corner of the computer screen prompts found new hardware, that done to correct process.


4, headset Making 4, headset Making


Identify cell phone handsfree headset line pin: Ground, Headset feet, give it legs, the left channel headphone foot, right foot channel headphones. Identify cell phone hands-free headset line pins: ground, pin headset mode, send it legs, the left channel headphone foot, right foot channel headphones.

1, measured mobile ground. 1, measured mobile ground. Multimeter measured on the ground. Multimeter measured on the ground.

2, Headset feet. 2, Headset feet. Phone is switched on, headset mode pin and ground shorted cell phone screen will appear when the icon or prompt a headset headset is connected. Phone is switched on, headset mode pin and ground shorted cell phone screen will appear when the icon or prompt a headset headset is connected.

3, ground and headset mode pin shorted to ground receiving these headphones shorted the pins on. 3, ground and headset mode pin shorted to ground receiving these headphones shorted the pins on. Then the emergence of a headset phone screen icon. At this time a mobile phone screen will appear headset icon.

4, call 13800138000 or play MP3, to the left channel headphone line-by-foot examination until the end of the sound on the pin and then solder the other one the same way as the right channel headphone cable. 4, call 13800138000 or play MP3, to the left channel headphone line-by-foot sound trial until the end of the pin and then solder the other one as the right channel headphone line method.

5, make calls, send it with a line-by-foot examination until the other party can hear the voice of welding on the telephone line will be sent. 5, make calls, send it with a line-by-foot examination until the other party can hear the voice of welding on the telephone line will be sent. Or looking for a 1.3 --- 1.8V voltage feet Or find a 1.3 - - 1.8V voltage pin

MTK mobile phone charger make the most simple, because 6305 feet is charged the first leg. So the amount of which it and insert the end of the same foot which is the positive terminal of the charger. MTK mobile phone charger make the most simple, because 6305 feet is charged the first leg. So the amount of which it and insert the end of the same foot which is the positive terminal of the charger.