China Mobile Phones Hardware Repair Guide

China Mobile Phones Hardware Repair Guide

Today, mobile phone repair will share about China mobile phones repair guide. As we know that today, china phone dominate the mobile phones market. With the cheaper price, many people prefer choose china phones than others.

Here is the china mobile phones hardware repair guide for you. Download from this link.

Nokia 3200 LCD Problem (Missing Component)

 Nokia 3200 LCD Problem (Missing Component)

n a previous post, I've written and share picture guide / techniques in dealing with defective hardware jumper on the Nokia 3200. Although the phone is included in group old phone, but the reality is still a lot of my clients who come fix this phone.

Here I will share how to troubleshoot LCD Nokia 3200 is due to the missing component. The component that is often missing is the resistor that is located close to the power button. This often happens because the power button Nokia 3200 quite fragile, so easily damaged if frequently suppressed. This is often an effect of these two resistors. If you do not have the spare part to replace the resistor, you can make jumper technique by connecting the two points resistor.

So, when there is a problem on LCD Nokia 3200, you simply check point as shown in the following figure, and if the resistor is located near the power button missing, which is marked red in the picture, please do jumpers.

Download the picture here. 

Nokia X3 Lights Repair | Picture Help

Nokia X3 Lights Repair | Picture Help

Nokia X3-02 lights problem can be repaired by replacing V2420. The location of that part showed by the picture below.

Nokia X3-02 Microphone Not Working | Picture

Nokia X3-02 Microphone Not Working | Picture 

HelpNokia X3-02 microphone is quite different with most Nokia phones, it is mounted to the board. When your Nokia X3-02 mic is not working, you can check the points like showed by the picture below.

 

 

 

Nokia X3-02 Network Problem | No Signal | Picture Help

Nokia X3-02 Network Problem | No Signal | Picture Help

Network or no signal problem on a cell phone can caused by many reasons. The most common is because the solder lack. Solder lack is a condition where the tin quality is not good. In Nokia X3-02, the network problem can caused by bad contact on N7510 and N7520. When you find the Nokia X3-02 network problem, you can try to re-hot the N7510 or N7520 integrated circuit. Look and save the picture below.

Nokia X3-02 Power Switch Repair | Picture Help

Nokia X3-02 Power Switch Repair | Picture Help

Nokia X3-02 power switch is integrated with the keypad, although very rare, but maybe someday you find a problem with your Nokia X3-02 power switch, you can follow this picture guide. The picture below show you how to make a direct jumper from the power button.

Nokia X3-02 Ringer Problem | Picture Help

Nokia X3-02 Ringer Problem | Picture Help

Ringer for Nokia X3-02 managed by N2120, if you have ringer problem with your Nokia X3-02, you can try to replace the driver. But, before you do it, I recommend you to check the ringer circuit one by one, maybe there are broken paths. You can use the Nokia X3 schematic diagram to find the ringer circuit and part location. The location of N2120 is shown by the picture below.

Nokia X3-02 SIM Card | MMC Not Detected | Picture Help

Nokia X3-02 SIM Card | MMC Not Detected | Picture Help

Nokia X3-02 data storage can be upgraded up to 32GB by using MicroSD card. If you have a problem with Nokia X3-02 memory card, for example the card not detected by the phone, same as the SIM card, you can try to re-heat the N2200, the driver. The picture guide below help you to find the location of the driver. If after re-heat process, the problem is still the same, you can try to replace the driver.

Nokia X3-02 Speaker Not Working | Picture Help

Nokia X3-02 Speaker Not Working | Picture Help

Nokia X3-02 speaker not working can caused by damaged coil and resistor on the speaker circuit, and also the speaker itself. When you find the speaker problem on your Nokia X3-02, the first step you have to do is check the speaker by using the Ohm meter, if the speaker condition is good, you can check the path with the aid of Nokia X3-02 schematic diagram.

If all the path is well connected, the next step is check the L2100. The next process as shown by the picture help below.

Nokia X3-02 Touch Screen Not Working | Picture Help repair

Nokia X3-02 Touch Screen Not Working | Picture Help

Nokia X3-02 has two input method, keypad and touch screen. If the touch screen on your Nokia X3-02 not working, you can check the connection between the touch screen layer with the main board. If you are sure about the connection, you can check the N6000, it is a touch screen driver for Nokia X3-02. Try to re-heat the part and during you re-heating the part, give a little touch to it to sway. The location of N6000 is shown by the picture below.

Nokia X3-02 USB Not Detected Problem | Picture Help

Nokia X3-02 USB Not Detected Problem | Picture Help

Nokia X3-02 USB not detected problem can caused by damaged D3300, the location of the part as shown by the picture below. USB on Nokia X3-02 can be used for transfer data from computer to your cell phone or otherwise. In addition, when your Nokia X3-02 has a software problem, you can upgrade or repair the software via the USB connector, for example by using Phoenix Service Software, MX-Key dongle, or update online by using Nokia Software Updater, all of them need USB connection.

To solve your Nokia X3-02 USB connection, you can try to replace the D3300. Here is the picture guide for you.

Blackberry Schematic Diagram Download | Mobile Repair

Blackberry Schematic Diagram Download | Mobile Repair

Blackberry cell phone is one of the most popular smart phone today, for mobile phone technician, mobile repair will share the Blackberry schematic diagram. The schematic needed when we will do a trouble shooting process. The file contains several Blackberry schematic diagram like Gemini 8520, Blackberry Hurron 8800, Blackberry Javelin 8900, Onyx 9700, and Blackberry Pearl 8100.

Download the schematic here

Blackberry Schematic Diagram Download | Mobile Repair

Blackberry Schematic Diagram Download | Mobile Repair

Blackberry cell phone is one of the most popular smart phone today, for mobile phone technician, mobile repair will share the Blackberry schematic diagram. The schematic needed when we will do a trouble shooting process. The file contains several Blackberry schematic diagram like Gemini 8520, Blackberry Hurron 8800, Blackberry Javelin 8900, Onyx 9700, and Blackberry Pearl 8100.

Download the schematic here

Nokia X3-02 USB Not Detected Problem | Picture Help

Nokia X3-02 USB not detected problem can caused by damaged D3300, the location of the part as shown by the picture below. USB on Nokia X3-02 can be used for transfer data from computer to your cell phone or otherwise. In addition, when your Nokia X3-02 has a software problem, you can upgrade or repair the software via the USB connector, for example by using Phoenix Service Software, MX-Key dongle, or update online by using Nokia Software Updater, all of them need USB connection.

To solve your Nokia X3-02 USB connection, you can try to replace the D3300. Here is the picture guide for you.

Nokia X3-02 Touch Screen Not Working | Picture Help

Nokia X3-02 has two input method, keypad and touch screen. If the touch screen on your Nokia X3-02 not working, you can check the connection between the touch screen layer with the main board. If you are sure about the connection, you can check the N6000, it is a touch screen driver for Nokia X3-02. Try to re-heat the part and during you re-heating the part, give a little touch to it to sway. The location of N6000 is shown by the picture below.

Nokia X3-02 Speaker Not Working | Picture Help

Nokia X3-02 speaker not working can caused by damaged coil and resistor on the speaker circuit, and also the speaker itself. When you find the speaker problem on your Nokia X3-02, the first step you have to do is check the speaker by using the Ohm meter, if the speaker condition is good, you can check the path with the aid of Nokia X3-02 schematic diagram.

If all the path is well connected, the next step is check the L2100. The next process as shown by the picture help below.

Nokia X3-02 SIM Card | MMC Not Detected | Picture Help

Nokia X3-02 data storage can be upgraded up to 32GB by using MicroSD card. If you have a problem with Nokia X3-02 memory card, for example the card not detected by the phone, same as the SIM card, you can try to re-heat the N2200, the driver. The picture guide below help you to find the location of the driver. If after re-heat process, the problem is still the same, you can try to replace the driver.

Nokia X3-02 Ringer Problem | Picture Help

Ringer for Nokia X3-02 managed by N2120, if you have ringer problem with your Nokia X3-02, you can try to replace the driver. But, before you do it, I recommend you to check the ringer circuit one by one, maybe there are broken paths. You can use the Nokia X3 schematic diagram to find the ringer circuit and part location. The location of N2120 is shown by the picture below.

Nokia X3-02 Power Switch Repair | Picture Help

Nokia X3-02 power switch is integrated with the keypad, although very rare, but maybe someday you find a problem with your Nokia X3-02 power switch, you can follow this picture guide. The picture below show you how to make a direct jumper from the power button.

Nokia X3-02 Network Problem | No Signal | Picture Help

Network or no signal problem on a cell phone can caused by many reasons. The most common is because the solder lack. Solder lack is a condition where the tin quality is not good. In Nokia X3-02, the network problem can caused by bad contact on N7510 and N7520. When you find the Nokia X3-02 network problem, you can try to re-hot the N7510 or N7520 integrated circuit. Look and save the picture below.

Nokia X3-02 Microphone Not Working | Picture Help

Nokia X3-02 microphone is quite different with most Nokia phones, it is mounted to the board. When your Nokia X3-02 mic is not working, you can check the points like showed by the picture below.

Nokia X3 Lights Repair | Picture Help

Nokia X3-02 lights problem can be repaired by replacing V2420. The location of that part showed by the picture below.

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• ▼  2011 (212)
  • ►  October (19)
  • ►  September (24)
  • ►  August (15)
  • ▼  July (22)
    • Nokia X5 Hardware Repair Collection | Picture Help...
    • Nokia C1-01 Insert SIM Card Problem | Picture Help...
    • Nokia C1-01 Not Charging Problem | Picture Help
    • Nokia 7210 Camera Operation Failed | Picture Help
    • Nokia 7210 Microphone Problem | Picture Help
    • Nokia 7210 Power Switch Ways | Picture Help
    • Nokia 3100 Ringer | Buzzer Ways | Picture Help
    • Nokia 8310 | Nokia 6510 Power Switch Ways Repair |...
    • LG B2150 Insert SIM Card Problem | Picture Help
    • LG B2150 Mic Solution | Picture Help
    • LG B2150 Led Solution | Picture Help
    • LG B2150 Not Charging Problem | Picture Help
    • Blackberry Schematic Diagram Download | Mobile Rep...
    • Nokia X3-02 USB Not Detected Problem | Picture Hel...
    • Nokia X3-02 Touch Screen Not Working | Picture Hel...
    • Nokia X3-02 Speaker Not Working | Picture Help
    • Nokia X3-02 SIM Card | MMC Not Detected | Picture ...
    • Nokia X3-02 Ringer Problem | Picture Help
    • Nokia X3-02 Power Switch Repair | Picture Help
    • Nokia X3-02 Network Problem | No Signal | Picture ...
    • Nokia X3-02 Microphone Not Working | Picture Help
    • Nokia X3 Lights Repair | Picture Help
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LG B2150 Not Charging Problem | Picture Help

LG B2150 Not Charging Problem | Picture Help

Still discussing about hardware problem, now mobile repair will share a collection of LG mobile phone problem. The first LG phone is LG B2150. The problem for LG B2150 charging can be solved by following the picture below.

The picture above show you the location of the part. Good luck.

LG B2150 Led Solution | Picture Help repair

LG B2150 Led Solution | Picture Help

LG B2150 led problem can caused by damaged U400. The part location shown by the picture below, try to replace it with the new one, maybe your LG B2150 led problem solved.

LG B2150 Mic Solution | Picture Help

LG B2150 Mic Solution | Picture Help

The next picture from mobile repair is LG B2150 mic problem. After you sure that the microphone is still in good condition, the next step, you can check the path. Follow the picture below to repair LG B2150 microphone problem.

LG B2150 Insert SIM Card Problem | Picture Help

LG B2150 Insert SIM Card Problem | Picture Help

LG B2150 insert SIM Card problem can be solved by following the picture repair guide below.

Download the picture for your collection :)

Nokia 8310 | Nokia 6510 Power Switch Ways Repair | Picture Help

Nokia 8310 | Nokia 6510 Power Switch Ways Repair | Picture Help

Nokia 8310 and Nokia 6510 is one of oldest Nokia cell phones but they are still widely used by low end customer. The problem that often occur on Nokia 8310 are power switch broken pad. To repair this problem, mobile repair provide the picture guide about how to make a direct jumper from the switch part. Download the pictures below.

Nokia 3100 Ringer | Buzzer Ways | Picture Help

Nokia 3100 Ringer | Buzzer Ways | Picture Help

The picture help below show you how to repair Nokia 3100 ringer and buzzer problem. We have five picture guide, check them all below.This picture help not just for Nokia 3100 ringer and buzzer problem, but this trick also can be applied for Nokia 3120 problem

Nokia 7210 Power Switch Ways | Picture Hel

Nokia 7210 Power Switch Ways | Picture Hel

Nokia 7210 is one of old Nokia cell phone, mobile repair provide the picture repair guide for Nokia 7210 because for mobile technician, maybe sometimes you need it. Download the Nokia 7210 power switch way picture guide below.

The terms related to this post are Nokia 7210 power button problem, power switch ways, power switch repair, power switch jumper, or switch on/off jumper.