NOKIA X2 INSERT SIM CARD SOLUTION - COMPLETE HARDWARE REPAIR PROCEDURE

Here's a complete step by step cell phone repair tutorial on how to fix Nokia X2 mobile phone insert sim card problem or hardware failure issues. Before proceeding this process make sure to completely checkthe Sim card connector pins connections, make sure if it is free out from dust, molds, corrosion or any foreign objects.

The picture guide below shows the components ( highlighted square pink color ) where the line paths of the sim card connector goes through. You can check on each value or replace them if found  faulty.
Now, the  X2 uses the EMI Filter to protect from  risk of EMI and ESD interference.

Here's the full path of each components on how to test and diagnose the Insert SIM card failure on Nokia X2. The EMI filter  input and output line paths can be check like the repair guide picture below. 
Before replacing or removing the EMI Filter make sure to check first the power supply voltage that feeds to the SIM connector Pin 1. Check the line paths in between those lines from C2215 to R2311 and to sim card connector pin 1.

If the line paths is okay, you may now then proceed to replace the EMI Filter IC. If this solution may not solve the problem, you may send me a message on a shout box page on this blog.

NOKIA X2 LCD SCREEN DISPLAY FAILURE - REPAIR SOLUTION

Here's how to repair the Nokia X2 LCD screen display failure problem. This cell phone repair tutorial may help if the screen display is blank, white screen, garbled or you already change the LCD  panel but the problem still exists. The picture guide repair solution below shows the component parts where the LCD data signal feeds from the mobile phone application processor to the LCD circuit.
It uses two EMI Filter chips (crystal IC) to protect the circuit from risk of electromagnetic interference and electrostatic discharge. The two chips have similar internal circuit designed with each other. 
By replacing  one of them either the upper or lower EMI Filter chip or both, preferably may solve the problem. You can also check the EMI filter IC with a guide I included on the picture, it has seven input an output line paths.

Do also  check the LCD supply voltage, It needs two supply voltage to make it work, the two highlighted components near the LCD connector are the value of each voltages, if this  two voltages may not present may also result to display problem issues.

NOKIA X2 KEYPAD FAILURE, MALFUNCTION - REPAIR SOLUTION GUIDE

Here's a complete cell phone repair tutorial on how to diagnose, repair the Nokia X2 keypad failure, malfunction problem issues, this repair solution guide covers each on every keypad's keys line paths ways for easy troubleshooting keypad failures. I preferred this kind of  repair picture guide, so that the beginners can catch up also with this kind of mobile phone repair solution method. 
As keypads went wrong or stop malfunctioning by way of wet damaged or any accidental behavior, thissolution may also help to solve the problem.

In Nokia X2 the keypad circuit uses an EMI filter to protect the application processor and other components from electromagnetic interference and Electrostatic discharge.
The said IC chips is more prone to be damaged first if the EMI and ESD occurs, for this IC works like fuse, it cuts out the high voltage or current before going through the inner and the very important component parts.
This is also what happen if the keypad circuit is  been exposed or accidentally the EMI -ESD occurs in a blink of an eye.

The repair picture guide below is the layout of the components and parts of which where the keypad line paths data is being connected and distributed  to each keypad keys. Those line paths and components part that are being highlighted is where the repair procedure may goes through or begin with. 

I have line up each Keypads Rows and Columns for an easy tracking and tracing, if something wrong with that particular key. So just try to trace each paths for your troubleshooting procedures.

NOKIA X2 CHARGER NOT SUPPORTED REPAIR INSTRUCTION PROCEDURE

Here's how to repair the Charger Not Supported failure issues on Nokia X2 cell phones.
This cell phone repair guide shows the faulty component or parts that causes  or result to charger not supported that indicates on the LCD displays when by doing to charge the Nokia X2.

In Nokia X2 there are three 47Kiloohms Btemp thermistors that are being connected to the BSI (battery size indicator) circuit. You can then check them or replace one by one or at the same time for a quick repair solution method. I will try to monitor this solution on Nokia X2, and update if this post to let us know which among those three Btemp  thermistor may first get damage then causes the problem

NOKIA X2 MOUTHPIECE ( MICROPHONE ) FAILURE - REPAIR SOLUTION

Here's how to fix Nokia X2 microphone, mouthpiece failure or problem issues, this is a repair hints or solutions to solve a faulty mouthpiece or microphone. This kind  of problem lies on the phone'smicrophone like when the other person you're calling can't hear your voice. 

Now, this mobile phone repair guide may only useful if after checking up  or replacing microphone(mouthpiece)  on Nokia X2 but the problem still remain, no voice audio can be heard. 
The repair guide solution below show, the component or parts where the mouthpiece (mic) audio data feeds through the inner parts of the circuit on Nokia X2 PCB board layouts. As mobile phone technicians called it a MIC ways or MIC line paths. 

Here's the values of each components for easy test and check up procedures,

You may check and replace those particular SMD components indicated on the repair guide picture above if found faulty or damaged.

NOKIA X2 LCD LED BACKLIGHT AND KEYPAD LED REPAIR SOLUTION

Damaged or faulty LCD LED backlight may result to a black screen display.
Here's  mobile phone repair guide on how to fix Nokia X2  LCD LED Backlight and Keypad LED failure. 
Just follow the steps on the repair guide picture shown below and trace each corresponding component connections and line paths. 

The LED backlights is driven by an 8 bumps LED driver IC (shown on the picture above). Some line paths are easy to trace and check, this is very helpful when it come to mobile repair especially if a water damaged one, some open line paths may possibly happen.

NOKIA X2 NOT CHARGING PROBLEM COMPLETE REPAIR INSTRUCTION GUIDE

Here's a complete step by step repair tutorial on how to fix Nokia X2 Not Charging problem issues. This repair guide will show you on how to trace the charging line paths in every components on Nokia X2 PCB board for easy troubleshooting procedure. The red line indicates on the repair picture  guide below is the charging voltage ways or line paths. The components highlighted in pink square are the components that are connected to the charging circuit. You can trace each components as well as the charging line paths, jus start from the charger plug-in connector terminal pads then down to the inner parts that indicated on the picture. 

Start checking the fuse if is busted or open, then the diodes and the two filter capacitors, next to the coil and other capacitor in there, then trough to the whole or entire charging circuit connected components.

NOKIA X2 IHF ( EARPIECE ) SPEAKER REPAIR SOLUTION

Here' the repair guide solution to fix Nokia X2 IHF earpiece speaker failure. Just make sure that theearpiece speaker is good and 100% working before proceeding on this cell phone repair tutorial guides below.
So check the IHF( integrated hands free) speaker first before continuing.

If you done so, here's the picture repair guide on X2 earpiece speaker problem solution.
There are two IHF speaker is being connected to X2, the left and the right speaker channel.
I have in-lined the audio signal ways or lines paths and highlighted each connecting components for easy troubleshooting  procedure.

Just refer to the picture guide to find which part are faulty. If the left channel speaker is only got the problem then concentrate to the left channel only, then if the right channel got the problem concentrate to it as well also.
If both are faulty., then check both line paths and components.

I also included in this guide the IHF Audio Amplifier chips ball bumps (terminals) pattern  for a much deeper understanding how the said IC works. The Audio amplifier IC on  X2's circuit  were both same.
Remember this mobile phone repair repair tutorial is absolutely 100%  free..

NOKIA X2 EARPIECE LINE PATHS ON PCB

Here's the Earpiece speaker PCB line ways connection for easy troubleshooting and tracing the line paths on Nokia X2 Earpiece failure problem isseus.Check the earpiece speaker first before proceeding this repair guide tutorial.
The Nokia X2 used the rectangular type earpiece speaker which has very high quality audible sound output.
You can find and replace this type of speaker on other Nokia's latest mobile phone or smartphone released. 

From the earpiece speaker PCB terminal connector pads, both negative and positive polarity line connections feeds through the filter coils just located near right below on it. Then the line paths goes deep down the PCB to the JUNO IC's pin Y12 and W12.

NOKIA X2 END, ON/OFF POWER KEY LINE PATH WAYS

Here's the repair guide to trace on Nokia X2 ON /OFF power key and END call key line paths.
If this line paths cut or open due to water damaged the device will not unable to power on.
On Nokia X2 there are two components that will be able to test
if problems occurs, which is the resistor valued 100ohms and a thermal resistor just mounted at the back of the PCB board, just behind near the END/Power key.


Do check and replace those two components if found faulty or damage. If this guide does not solve the problem, there is a possibility that the cut or open lies beneath to inner side of the PCB down to the power management IC. 
Extra care and need more expertise to handle on major components such as the larger chips if working on it.

NOKIA X2 CAMERA HARDWARE FAILURE REPAIR GUIDE

Here's another mobile phone repair guide to fix Nokia X2 camera hardware failure problem issues. Camera hardware failure may only happens if the device is accidentally heavily drop, damaged by a liquid or wet damaged and other any accidental causes.
This cellphone repair tutorial only covers if the camera module has been already replaced or properly checked and tested but the problem still unsolved.

This repair guide covers the line paths and components connected within the camera circuit. Some mobile phone technicians called this the "camera ways" which  means the camera connector's tracing line path guide. 
Here's the picture repair guide, just follow the tracing and testing spots indicated on the repair guidepicture below,

Repair hints: Check first the two voltage supplied line paths before tracing the other lines.  The supply voltage line is at pin 2 and pin 10 on camera module connector. Each voltage line have filter coils on it, this coils may first suffer the damaged especially on wet damaged handsets. The voltage amount is labeled on on the picture which is the VCAM (camera voltage) 1.8 and 2.8 volts DC (direct current) that being feeds from the power management IC.