Nokia N96 ON OFF Power Switch Jumper Ways solution

Here's the jumper solution that can be used to fix a damaged Nokia N96 power ON OFF switch especially when the PCB solder terminal pads is already been lifted or damaged.
The solution below shows the alternative way where to established a jumper wire and revive the power switch line paths.

Nokia N96 Power ON OFF Switch Jumper Solution

If the Power Switch PCB solder terminal pads if already lifted including the two resistors and nothing left on  the PCB board where you can apply a solder;
You can still find a way to revive the power switch and fix the Nokia N96. Find a way to retain the power switch position, you can used a dry bond to hold and strengthen the power switch  where it is originally mounted.

You may then remove the power IC (AVILMA) and then locate the solder ball bumps where the power switch line paths is connected. Managed to put and apply the tiniest jumper wire you have, then in-placed back the power IC.

Nokia n97 Not charging problem - microUSB charger no response solution

Here's the solution for Nokia N97 Charger Problem that shows no charger response or indication on the display when the charger is being plug-in. The solution below shows certain components that needs to check or replace if this problem occurred on Nokia N97.

Nokia N97 Not charging solution, charger no response problem

The solution above shows the charging protection circuit of Nokia N97, these are composed of a chip Fuse and a protection Diode; If this two components will breakdown or damaged it will result to Not charging problem such as charger no response on Nokia N97

Nokia N96 Keypad Not Working Full Solution

Here's the solution for a damaged Nokia N96 that result keypad failure or malfunction due to wet or water damaged, accidentally heavily dropped. This solution can be used as a guide for line tracing each particular keys that unable to work or respond when being pressed.

The solution below showed each keypad line connection between other keys on the PCB board.

Nokia N96 Keypad Not Working Solution

Nokia N96 Keypad IC Connection Tracks & Jumper Ways

The Nokia N96 keypad assembly are composed of the upper key which the navigation and music control keys and the lower part is were the NUMERIC keys since Nokia n96 is a slider type designed.

Since the upper keys are being connected and assembled on a flex or keypad matrix membrane, you can easily determine if the flex cable is faulty or already damaged if some of this keys will stop to function while the NUMERIC keys is still working.

Now if both upper and lower keys stop responding, you may then suspect that the problem lies on a faulty or damaged keypad filter IC.

If just only one or two keys that stop to responding, you may refer to the solution above and trace where is is being connected and check if the line is open or cut then manage to reconnect the broken again.

Nokia N96 White Blue Blank Screen Display Problem Solution

If ever tried to fix or repair Nokia N96 display problem issues and already tried installed or replacing a new LCD screen module and a Flex cable wire but somehow the problem still exists.
This solution can be used as a guide to repair a damaged Nokia N96 LCD screen display problems such as white screen, blue screen, blank screen, garbled, saturated or corrupted LCD screen displays.

The solution below shows the connection line paths of the LCD flex pin connector including the display filter IC's, which is very useful for deep hardware troubleshooting especially when the Nokia N96 device suffered wet or water damaged and then a display problem occurred.

 Nokia N96 LCD Display Problem Repair  Solution

After ensuring that the problem is not lies on the LCD Screen Module and Flex Cable Wire or already tried to replace this spares, you may then suspect that the problem lies on the two EMI-ESD display filter chips.

This two ESD-EMI filter will easily breakdown or might get damaged and then cut off the display signal data if a short circuit happens or an excessive Electrostatic discharge and Electromagnetic interference occurred.
If either only one display data signal line paths is being cut or open this will result to display problems.
Trace each line paths and by replacing the display filter IC might only possibly fix the problem.

Nokia N97 Mic, Mouthpiece microphone problem solution

This solution can be used as  a guide to fix or repair Nokia N97 microphone problem issues. A failure that no voice can be heard from the caller on the device.

This solution solution shows the components location of Nokia N97 microphone circuit that needs to be check if the problem occurs.

Nokia N97 Mouthpiece Microphone Solution

Repair tips:
Ensure to restore or flash the device firmware first before trying to calibrate hardware components.
If flash firmware updating  is already been done and nothing happens , you may then proceed to troubleshoot hardware components.
a) Trace and check the supply lines paths of the microphone module.
b) Check and or replace the resistors highlighted on solution above, the two resistors have 0 ohms resistance value while the other one has 100 ohms.
c) If all the resistors seems all working and or already replaced and the supply voltage is okay, you may then replace the digital microphone module.

For further troubleshooting Nokia N97 Microphone failure, there are instances that you may need to rework the audio IC(AVILMAS) and sometimes the problem lies on a faulty CPU IC (RAPIDO).

Nokia 2630 No Network Service Found Solution

Here's a revived solution for Nokia 2630 No network service found problem. This problem may happens if the device suffered water damaged and or heavily dropped. The solution below shows the Nokia 2630 RF (radio frequency) circuit. This holds as the transceivers of the data into the airwaves during transmission, and if this circuit will breakdown or being damaged it will result to NO NETWORK Signal problem issues.

Nokia 2630 No network service solution

Repair Tips:
Ensure that the device firmware is okay or successfully restored or flashed.
Try to upgrade into higher version and write a good PM files.
IF the firmware calibration already done but seems nothing happens you may proceed to trace, check or replace the corresponding components showed on the solution above. Make sure that the PCB board condition is still stable and not like bended or some damaged spots. Check also if there is oxidation build up, clean it first before you may proceed.
First check the PA supply voltage, this voltage is came from the battery B+ terminal and you can trace it between capacitors showed on the solution above.
If the voltage line paths is okay, try to replaced the PA (power amplifier).
Then if nothing happens, you may then try to rework or replaced the RF transceiver chip.
If all the chip is already been replaced but the problem still exists, try to replace the voltage controlled clock crystal oscillator.

Nokia 7230 No Network Signal Problem Solution

Here's a brief solution for Nokia 7230 No network signal problem. This solution shows the RF circuit on nokia 7230 that holds the radio signal  during data transmission.
Please note before you may use this solution, first ensure that the device firmware is totally calibrated, successfully flashed or restored and upgraded or downgraded. This solution below covers only for hardware failure that may not or can't be fix by software or firmware.



The Nokia 7230 RF circuit components mounting is similar to Nokia X6. This solution below is from Nokia X6 board. 

Nokia 7230 No Network Signal Solution

Just follow the instructions indicated on the solution above of which and where to start in  troubleshooting proceedings. In most common cases the RF Power Amplifier breakdown may most often causes the problem.

Nokia 7230 Ringer, Hands Free Loud Speaker No Sound Solution

 If already tried to checked the speaker on Nokia 7230 and seems it is working but still no audio sounds can be heard on it. This solution may possibly help fix and repair Nokia 7230 No Sounds can be heard on ringtones and hands free loud speaker.
After ensuring that speaker is okay , you may then check or replace the components showed on the solution below. These are composed of filter coils or inductors, you may also trace the audio signal line paths and check if the line is not open or cut.

Nokia 7230 Ringer and Integrated Hands Free Loud Speaker No Sound Solution

If the filter coils is okay and the line paths is not being cut or open, you may then suspect that the problem may lies on the GAZOO IC, reworking this chip might possibly fix and solved Nokia 7230 Ringer and Hands Free Speaker Problem.

Nokia 7230 Memory Card Not Detected Repair Solution

If ever having a problem on Nokia 7230 that indicates No Memory Card detected even tried to inserting a working microSD memory card but the the device unable to read it or detect it. This solution below simply shows the particular components that needs to be check, trace and or replace if having memory card problem on Nokia 7230.

Nokia 7230 Memory Card Not Inserted Problem Solution

First, ensure that the memory card slot pins are free from oxidation and foreign objects. Check also that it is not damaged or misaligned and still properly soldered. Trace and check the voltage supply line paths as well also the ground line. If the voltage supply and ground lines is okay, but the problem still exists, you may then suspect that the problem lies on the GAZOO IC, reworking or re-balling the chip might possibly solved and fix the problem

Nokia 7230 Device Not Detected on USB to PC connection

This solution may work and can be applied if Nokia 7230 does not detected if being plug-in to a personal computer. This solution shows the particular components that needs to check or replace if the device handset is not detected over the USB.

Nokia 7230 Device Not detected on USB to PC connection

Check all the components showed on the solution above it is labeled according were to begin with.

Nokia 7230 Mic, Microphone mouthpiece Not working solution

This solution covers for Nokia 7230 if the microphone failed or no voice sound can be heard over the receivers mobile phone. This solution is simple guide that lets you trace or check certain components on nokia 7230 PCB board that might cause the problem.

Nokia 7230 Microphone Not Working Solution

Check and ensure that the microphone module is okay or try to install a new replacement on it.
The solution above showed the components such as the filter coils and 47 ohms resistor if the microphone is okay. Replace these components if found damaged.

Nokia X3 Earpiece Speaker No sounds can be heard solutions

Here's a solution for nokia X3 Earpiece Speaker No sounds output can be heard, If you ever struggling to fix or repair this kind of problem and you already replace the earpiece speaker and the flex cable wire but the problem still exists. This solution may help and possibly fix the problem occurred.
 The solution shows below the components that may need to check and replace if found damaged. This components is composed of filter coils a fusible resistor with 0 ohms resistance values.

Nokia X3 Earpice Speaker Sounds failure problem solution

Repair tips: After ensuring that the earpiece speaker is working okay and the flex cable also perfectly fine or having it replaced with a new one but the problem still unsolved. You may check the components indicated on the solution picture above, first check the two resistors, these resistors has 0 ohms value. next check also the filter coils if open and also the capacitors and ESD filter resistor id shorted or not. Check also the line tracks of each corresponding Pins from the flex pin connector. It is connected  to pin 17 and 18 as marked also in the solution above.
If ever found a damaged, open or shorted components, replace it at once then try to reassemble back the device and have a test.

Nokia 7230 earpiece speaker repair solution

Here's the solution for Nokia 7230 Earpiece speaker problem. This solution may help fix and repair if there is no audio sound can be heard over the earpiece speaker.

The solution below shows the two filter coils and a ESD protection resistor that needs to be check or replace if the earpiece speaker is working okay and the flex cable wire is also well and or already tried and replacing a new spare.

Nokia 7230 Eapiece Speaker No audio sound solution

The GAZOO IC holds the earpiece audio signal that being feeds to the earpiece speaker. If all corresponding components such as the speaker, flex cable and the filter coils showed on the above location, you may then suspect that the problem lies on a faulty GAZOO IC. Reworking it might possibly solved the problem

Nokia X6 No LCD backlight LED - Dark black LCD screen display solution

Dark black LCD Screen Displays Nokia X6 is caused by the LCD's illuminating backlight LED's failure to light up on the back of the display screen. If this happens you may need to try to replace a new LCD display module replacement on it. If happens that the problem still persists you may then check this corresponding components showed on the solution below.

Nokia X6 LCD screen display backlight LED failure solution

The solution above showed the LCD display backlight LED driver circuit of Nokia X6 PCB board.
You need to check, trace, replace particular components highlighted on the solution above and follow some simple  procedures indicated.

Nokia 2630 ON-OFF power button switch jumper ways solution

Here's the jumper ways solution for nokia 2630 ON and OFF switch if the handset device showed charging indication when the battery charger is plug-in but unable to power up when the power button is being pressed.

If the keypad flex is working okay and already tried a new replacement but still it won't power up when the power key is pressed.
The solution below showed the alternative spot where to apply a jumper wire when the power key line paths is cut .

Nokia 2630 power ON OFF jumper ways tracks

From the keypad flex PIN connector you may trace the line paths showed on the solution above and apply the jumper wire if the line is open or cut.
If that line paths is okay you may then proceed to rework the UEM power chip.

Nokia 2630 White Screen, blank and blue LCD display problem solution

This solution may used as a guide to fix and repair Nokia 2630 LCD screen display problems like white screen, blue screen, blank or empty screen displays.

After ensuring that the LCd screen module is okay or already tried installing a new replacement and then also ensuring that the device firmware is successfully flash or restored,
you may check and or replace the component showed on the solution below.

Nokia 2630 White, Blank and Blue Screen Display Problem Solution

Check the LCD Pin Connector, make sure that is free from dirt and oxidation build up.
There are three Resistors used on the display data connections, this reistors has 100 ohms resistance value, you may check or replace this components. If the three resistors is okay and the problem still exists, you may suspect that the problem may lies on a faulty UPP CPU IC.

Nokia 7230 insert SIM Card Problem Solution

This solution may possibly help fix and repair a damaged Nokia 7230 that result to Insert Sim card problem issues. If the mobile handset device does not accept any kind of sim card and only shows insert sim card in the LCD screen display, you may refer to this solution below to trace and check certain components that might get damaged and result to insert sim card problem.

Nokia 7230 Insert Sim card repair Solution

The solution above shows the connection of the sim card pin connector and its signal line paths through to the GAZOO IC.
You may need to ensure that SIM card pin connector is perfectly clean and free from any oxidation build up.
The SIM card supply voltage or VSIM is one particularly line paths that may need to check first for this line paths will easily open or cut especially if the nokia 7230 suffered water  damaged.
If the Sim voltage line is okay and you get a voltage reading on that area. You may then proceed to suspect that the GAZOO chip is faulty, reworking the chip might help fix and solve the Nokia 7230 insert SIM card problem.

Nokia 7230 White Screen, Blue Screen and Black Screen LCD Display Problem Solution

This solution may used to troubleshoot and repair a damaged Nokia 7230 that result Display problem issues like white screen, blue screen, blank or black screen, garbled and saturated screen displays that is not due to LCD Screen Display Module problem.
This solution may possibly help fix and repair Nokia 7230 after ensuring that the LCD screen display module is working okay and or already tried installing it a new replacement spare LCD module.

Nokia 7230 Display Problem Repair Solution

The solution above shows the Line tracing spots from the LCD flex pin connector to a certain components On Nokia 7230 PCB Board. You may check and trace this line tracks and check the corresponding components connected to it. If all the line tracks is okay. You may then suspect that the application processor or CPU is faulty or being damaged.
Please take note that handling CPU IC is  complicated and needs expertise, so observed extra precautions.

Nokia N97 Earpiece Speaker No Sounds Can Be Heard Repair Solution

Here's the solution for Nokia N97 Earpiece Speaker No audio sound can be heard over it from a caller.
This solution may only works and can be applied after ensuring that the Earpiece Speaker and the Flex cable wire is working okay or already replaced but seems nothing happen and the problem still exists.

This solution below shows the line tracks of the earpiece speaker connection to certain components that needs to be check for further earpiece speaker repair on Nokia N97.

Nokia N97 Earpiece Speaker No Sound Repair Solution

 If the speaker and the flex cable is already checked or been replaced but does not solved the problem you may then check the corresponding components shown on the solution above.
There is a Filter Coil and an ESD Protector chips is used in the circuit, you may start to check on that spots. You may also trace the line paths from the Flex Pin connector through to the said components.

If those components seems working well or already tried by replacing them,You may then try to re-flow or reheat the Power and Audio IC or Reworking it might possibly solved the problem..

Nokia 7230 Full Keypad Solution- Keypad IC Jumper ways and Tracks

Here's the full keypad solution for Nokia 7230 keypads failure or malfunction.
This solution may possibly help fix Nokia 7230 if any certain keys stop responding or not working.

This solution shows the line paths of the Numeric keypads only, the navigation keys like SELECT, UP, DOWN, LEFT, RIGHT, Soft Left, and Soft Right and including the Power Key are connected within the Flex keypad membrane, so if the above keys only stop responding you may need to check and replace the flex cable first before using this solution below. Since all keys including the Upper keys or Navigation keys and the Numeric keys are both connected  to the EMI-ESD filter IC. There is a certain point and possibility that all of these keys may not work or stop responding due to a water damaged, you may then proceed to use this solution below.

Nokia 7230 Keypad IC Jumper ways and line tracks

The numeric keys are group by outer and inner core layers of connections. There is a resistors which has a resistance value of 470 ohms that is being used in particular connections, you may check and replace this components also if found damaged.
The ESD-EMI filter chip protect the circuit from Electrostatic hazards, there is a possibility that this chip will breakdown and cause the keypad not to work or function, for it cuts off the its connection line paths through to the Application Processor Chip or CPU. Some factors are those due of water damaged, dirt, molds and oxidation build up.

Nokia N97 Send End and Menu Keys Not Working Solution

Here's the solution for Nokia N97 Send, End and Menu button keys not responding problem. This solution may possibly help fix and solved if the upper keypad keys stop working.
After ensuring that the upper keypad flex is okay but still the Send, End and Menu keys won't work you may then use and apply this solution below.

Nokia N97 SEND, END and MENU keypad keys failure Solution

The above solution shows the connection of the upper keypad keys line paths from the pin con connector through to the EMI-ESD filter chip. This filter IC also shared and being used for the camera module. So if both camera and and the upper keys are not working you may suspect that this chip is faulty or already damaged.
If the flex cable is okay and or already tried replacing a new one but the problem still exist, you may then check and replace the EMI-ESD filter IC. And don't forget to ensure that the pin connector is perfectly clean.

Nokia N97 Qwerty Keypad Keys Not Working Solution

Here's the solution that may possibly help fix and repair a damaged or malfunction qwerty keys on Nokia N97. This solution works if the N97 qwerty keypad membrane is already been replaced but some of the keypad keys still not responding.

The solution below shows the line paths of the Qwerty keypad connection of Nokia n97 PCB Board. This connection pattern shows the tracing guides including the qwerty keypad filter IC through to the Keypad pin connector.

Nokia N97 QWERTY Keypad Failure Solution

N97 Keypad Filter IC Jumper Ways

There are two keypad filter chips used on Nokia N97 keypad circuits. You may check and replaced these EMI-ESD filter IC after ensuring that the QWERTY keypad membrane flex seems working fine and or already tried to replace a new replacement spare. Check and ensure also that keypad Pin connector are of free from dust and oxidation build up.

Nokia 6700c classic Camera Flash/Torch LED not working solution

Here's a solution for Nokia 6700 classic Camera Flash LED malfunction or unable to light up when activated or the camera is being used.
This solution provides and show the camera flash LED circuit components on nokia 6700 classic PCB board.

Nokia 6700 Classic Camera Flash LED failure solution

Repair tips:
a)  Check the flash LED  damaged, replace it at once.
b)  Check the battery supply voltage the two filter coils showed on the solution above.
c) Check also those filter coils if open or damaged.
d) Re-hot or re-flow the flash LED driver IC
e) Rework and replaced the flash LED driver IC if found already damaged.

Nokia 6700 classic insert SIM card problem solution

If ever encountered a nokia 6700 that always display insert SIM card on the display even trying inserting a good and working SIM card but still won't accept any SIM card, this solution may possibly fix the problem.

Nokia 6700 classic insert SIM card problem solution

Repair hints:
a) Ensure that the SIM card socket, slot or holder pins are cleaned and free from dust and oxidation.
b) Trace and check the VSIM voltage, it reads about 1.8 to 2.8 volts on components showed on the solution above.
c) IF the SIM voltage is okay, you may need to remove and rework the GAZOO chip for further trouble shooting.
Warning: handling the GAZOO chip may need extra expertise or you may end up  a dead phone. Don't touch it if no adequate knowledge about this chip.

Nokia 6700 classic LCD backlight LED not working solution

This solution covers for Nokia 6700 classic Backlight LED not working on the LCD screen display that result to a dark or black screen LCD display.
You may first try to install a new LCD screen module before applying or using this solution below.

Nokia 6700 classic LCD Screen Display No Backlight LED Solution

If the LCD screen is already tried installing a new one but still the backlight LED still not working or unable to light up. You may then need to trace, check and or replace the components showed on the solution above.
There is a BVAT voltage line that supplies to the LED driver IC and you can check this voltage about 3.7 volts which is came from the battery  positive terminal. and came way across to the two filter coils before it feeds in to the LED driver IC.

If the the voltage supply line is okay, remove the LED driver IC and trace each corresponding solder ball terminal line paths through to the pin connector and VBAT voltage line filter coils.
Rework and clean the solder ball terminal pads.
Replace the LED driver chip if the problem unsolved.

Nokia 6700 classic ringer, hands free speaker not working solution

Here's the solution for Nokia 6700 classic Ringer, hands free speaker no audio sound problem.
This solution may help fix if the speaker is working okay and or already tried installed a new replacement spare speaker.

Nokia 6700 classic Ringer, Hands Free Speaker Failure Solution

If the ringer speaker is okay and the speaker terminal pads is already cleaned but still there is no sounds can be heard on it, you may need to check and or replace the components showed on the solution above. This components  were composed of a 0 ohms resistors and filter capacitors.

Nokia N78 left and right ringer, hands free speaker not working solution

Here's a solution for nokia N78 ringer and hands free speaker not working or no sounds can be heard on it. This solution shows the left and right speaker circuit components connections.

Nokia N78 Ringer and Hands Free speaker No audio sounds solution

There is an audio amplifier IC that drives and boosts the audio signals before it goes trough to the left and right speakers. The audio data  signal is filtered by filter coils and an input capacitors.

Nokia N97 Touch Screen Not Working solution

Here's the solution for Nokia N97 touch screen doesn't work or respond problem. This solution may works if already tried to restore, flashed, upgraded or updated the device firmware and also tried to install a new replacement touch screen module but the touch screen still won't work.


The solution below shows the location of certain components that need to check or replace if the touch screen of Nokia N97 stop to respond or not working.

Nokia N97 Touch Screen Not Working Repair Solution

There is an ESD filter IC is being used on the touch screen control circuit, located beside the LCD pin connector. You may check this filter IC and replace if found damaged.
If the Filter IC already replaced but the problem still exists, you may proceed to rework the IO expander IC, the IO expander IC also controls the keypad keys. If both keypads and touch screen won't work you may suspect that this chip is faulty or damaged.

Nokia N97 White blue, black or blank screen display problem solution

Here's a solution for Nokia N97 display problem hardware related issues that can't be fix by means of  software.
This solution may possibly help fix and repair Nokia N97 LCD screen display problems such as white screen, blue screen, blank or black screen, garbled or saturated screen displays.



If already tried to restore or flash the device firmware and or already tried installing  a new replacement LCD screen module you may need to check the components showed on the solution below.

Nokia N97 Display problem - hardware repair

There is a Display EMI filter mounted besides the LCD pin connector, you may check and trace the line paths from the pin connector before replacing a new replacement spare IC.
If the Display filter IC seems working or been replaced but the problem still exists you may proceed to rework or replace the Display Controller IC.

Nokia N97 Damaged Mini USB Charging Pin connector terminal pads jumper solution

Here's the jumper solution for Nokia N97 damaged or lifted USB pin connector terminal pads on the PCB. This solution shows the alternative jumper ways to solve the problem.

Nokia N97 damaged charging pin jumper ways- charging problem solution

 Note: components mounting configuration may differ from original PCB Board
If the solder pads is lifted you may apply jumper to corresponding components shown at the solution above.

Nokia 6700c White, Blue and Blank LCD Display Problem solutions

Here's a solution that covers for Nokia 6700 classic LCD screen display problem issues, such as white screen, blue screen, blank or black screen, garbled, saturated or corrupted screen displays.
This solution may only works and can be applied after ensuring that device firmware is already restored or flashed, upgraded or updated. And also tried to installed a new replacement LCD module but the problem still exists. The solution below showed the LCD pin connector connection across the two LCD ESM-EMI filter IC's.

Nokia 6700 classic LCD  Display Problem solution 

Nokia 6700 Display Filter IC and LCD Pin connector connection

There are two ESD-EMI filter used in Nokia 6700 classic display circuit and mounted near the LCD pin connector. You may check the filter chips and trace each corresponding line paths through to the LCd pin connector before trying to replaced a new replacement  EMI filter.

Nokia 6700c classic MicroSD Memory Card Not Detected problem solution

here's a solution that may possible help fix or repair Nokia 6700 classic microSD Memory card not detected or No memory card shows on the display even when the memory card is properly inserted.

This solution shows the location of certain components that needs to be check or replace when the device firmware is already flashed, restored or updated but the problem still exists.

Nokia 6700C classic microSD memory card not detected solution

Repair hints:
Check the microSD card holder, ensure that the pins are free from dirt and oxidation, there is a memory detector switch on it check it also.
Check the supply voltage shown on the solution above, if this voltage is missing, it result to memory card problem issues.
Check the memory card filter IC, replaced if found damaged.

Nokia 6700s Slide Not Charging problem charger no response solution

Her's the solution for Nokia 6700s slide Not charging problem issues like charger no response or no charging indication when the battery charger is plug-in. This solution shows the location of the chip fuse,a diode a resistor that need to check or replace when charger no response occurred.

Nokia 6700s slider Charger no response solution

There is a 0 ohms Resistor located beside the vibra motor. that also needs to check also when the fuse and the diode is okay.

Nokia X5 Solution- USB Not charging problem issues solution

Here's the solution that may help fix or repair Nokia X5 USB charging problem.  When the device shows no charging indication when the battery charger is plug-in, the components showed on the solution below such as the chip fuse and a diode might possibly damaged.This solution  shows the location of the components that needs to check or then replace if found damaged.

 Nokia X5 USB Charging No Response solution

Repair hints:
Check the USB pin connector and ensure that it is free from dirt or oxidation, clean or replace it if necessary.
Check the chip fuse if open, replace if damaged
Check the diode if shorted, replaced if damaged
If the fuse and the diode is okay but the charging  problem still exists proceed to rework or replace the USB charger voltage controller IC, it is located at the rear side of the PCB board.

Nokia E5 keypad Failure Wet damaged Solution

Here's The solution for Nokia E5 keypad malfunction. This is very useful in troubleshooting certain keys that won't work or not responding due to wet damaged. This solution completely shows each corresponding keys line paths and connection including the keypad filter IC.

Nokia E5 keypad failure solution - keypad filter IC jumper ways

There are two EMI filter chip is being used in the circuit and it is located near the battery terminal. This keypad filter can't be found from old Nokia models.

Nokia 2680s On Off button switch solution

This solution may help fix Nokia 2680 slide On off key malfunction.
Note this solution can be applied if the flex cable is working okay or having tried replacing a new one but the on off key won't work and it shows charging indication on the LCD display when the battery charger is plug-in.

Nokia 2680S On-off key failure solution

From the keypad pin connector there is a resistor that has a 0 ohms resistance value. You may need to check this resistor if open, replacing it or shorting it may fix the problem

Nokia E63 solution for white, blue and blank screen display problems solution

Here's the solution for Nokia E63 LCD display problems like white screen, blank or black screen displays. This solution may help if after flashing the device firmware but nothing happens but the problem still exist.

The solution below show the display line paths from the LCD screen pin connector through  to the EMI filter IC's. The ESD-EMI filter is located at the side of the PCB board near the application processor chip.

Nokia E63 LCD display problem solutions- LCD display IC jumper ways

You may replace check and replace one or both of those EMI filter IC if  tryiong to fix display problem issues on Nokia E63. Trace the each corresponding line paths first for a water damaged device before installing a Ne LCD display filter IC.

nokia 5320xm Ringer and Hands Free Speaker No sound solution

This is the solution for nokia 5320 xpressmusic Ringer and hands free speaker failed to have an audio sounds output when the hands free mode is activated and or no ringtones can be heard. The solution below shows the location of particular components that needs to be check or then by replace if found damaged or faulty.

Nokia 5320 ringer, hands free speaker failure solution

After ensuring that the speaker is working okay but the problem still exists, locate the corresponding components showed on the solution above, these components are filter coils. You may need to rework the audio IC (AVILMA) for further deeper troubleshhoting and also by tracing the each earpiece line paths from the avilma solder ball bumps across to each filter coils and to the earpiece speaker terminal pads.

Nokia 5320XM Earpiece Speaker No sound solution

Here's the solution for nokia 5320 xpressmusic that no audio sounds can be heard over the earpiece speaker. This solution shows the components that needs to be check or then replace if found damaged or faulty.

 Nokia 5320 Earpiece speaker failure solution

Repair tips:
Ensure that the earpiece speaker is working okay or install a new replacement.
Check the filter coils and each ESD resistors, replace if found faulty.
Rework the AVILMA and trace the line paths before in-placing it back.

Nokia 5320 Mic problem repair solution

Here's a solution for Nokia 5320 Xpressmusic mic, microphone or mouthpiece problem issues like no voice sounds can be heard over the receivers handsets.
This solution simply shows the location of the particular components that need to check, trace or replace to solve microphone problem related issues on Nokia 5320.

Nokia 5320 Microphone, Mic or mouthpiece failure solution

Repair hints:
1) Check or replace the microphone module
2) Ensure that the mic's terminals or pads is free from dirt or oxidation
3) Rework and trace the line paths from the audio IC (AVILMA).

Nokia 5320 xpressmusic No network Signal problem hardware repair solution

Here's the solution that may possibly help fix and repair nokia 5320 xpressmusic No network signal problem issues. Before you may proceed to use this solution, ensure that the device firmware is okay, restored and already flashed and or updated. This solution may only works if the device suffered a water damaged or heavily dropped by the user.

Repair Hints:

Check the battery voltage across to the components highlighted on the solution below. These are filter coils and you need to have a voltage reading in this components about 3.7 volts., It is connected directly to the battery positive terminal. Replaced filter coils if found damaged, apply a jumper wire if found the supply voltage line is open or cut.

5320 No network problem solution 1- RF Supply Voltage

Check the  voltages in these components highlighted in  below solution, these are the output voltages from the voltage regulator chips that supplies to the RF IC and RF Power Amplifier chip. If there is no voltage readings in these components, check and replace the corresponding Voltage regulator chip.

5320 No network problem solution 2- RF regulated supply voltages

1)Rework or replace the Power amplifier PA IC,
2) Replace the Voltage controlled crystal clock oscillator
3) Rework the RF IC or replace if necessary

Hope this helps solved to fix or repair a damaged Nokia 5320 No network problem issues.

Nokia C3 Earpiece Speaker No audio Sound Solution

If encountered and tried to fix Nokia C3 such as No audio sound can be heard over the earpiece speaker, this solution may help as a guide to solved the problem.

After ensuring that earpiece speaker is working okay or already tried to replace a new one, but still no sounds can be heard over it, just check or replace the components showed on the solution below.

Nokia C3 Earpiece Speaker No sound problem solution

Those components are composed of a filter coil and an ESD resistors which were located at the top of the PCB board near the LCD pin connector. Hope this help repair Nokia C3 earpiece speaker problem.

Nokia C3 Not Charging solution charger no response problem solution

Here's the solution for Nokia C3 that does not show charging indications when the battery charger is being plug-in. This solution simply shows particular components that may need to check or replace if charging problem occurs.

Nokia C3 Not Charging  solution for charger no response problem

The components showed on the solution above might get possibly damaged and causes the charging problem issues. Those components are made of filter coil, a diode and a resistors.
If already tried to check and replaced those certain components but the problem still exists you may need to rework the JUNO IC for further troubleshooting procedures.

Nokia 5610 Earpiece Speaker No Audio Sound Solution

Here's a solution that may help repair nokia 5610 xpressmusic earpiece speaker no audio sound output problem.
If ever tried and replace the speaker but the problem still there is no sound can be heard over the earpiece speaker on nokia 5610, the problem may lies on a faulty flex cable wire.
This solution shows the components that may need to check or replace before attempting to change or replace the flex cable, this components is composed of a filter coil and an ESD protection component.

Nokia 5610 Xpressmusic Earpiece Speaker problem Solution

Repair hints:
1. Ensure that the speaker is working or try to replace a new one.
2. Check the components showed on the solution above, replace if found damaged
3. Replace the flex cable wire

Nokia 6275,6275i Camera and volume control switch button keys Not working solution

Here's the solution that may possibly help fix and repair Nokia 6275 and Nokia 6275i
Camera key, volume up and volume down keys malfunction.
This solution shows the line paths of each corresponding button switches to the keypad filter IC solder bumps.

Nokia 6275, 6275i volume up, volume down 

and camera switch jumper ways solution

Before trying to replace the keypad filter IC, just check and trace first each corresponding line paths for further troubleshooting and repair camera and volume keys problem issues.
This solution was created as per request by one of our gsm brother. Enjoy!

nokia n82 No ringer and hands free speaker sounds solutions

Here's the solution for Nokia N82 No ring tone and hands free sounds can be heard. If the the loud speakers is working okay when being checked but still no sounds can be heard, this solution shows particular components that may possibly damaged and result to no audio sound output over the speaker.

Nokia N82  ringer and hands free speaker No sounds solutions

You may check those components shown on the solution above and replace if found damaged,trace also each line paths for further repair or troubleshooting.

nokia n82 earpiece speaker no sound repair solution

Here's a solution for nokia n82 earpiece speaker no audio sound problem solution. This solution may can be used and apply if the earpiece speaker is okay but the problem still exists.
If this happen you may then check the corresponding components shown on the solution below and replace if found damaged.

Nokia N82 Earpiece Speaker No Audio Sound solution

The components above are composed of a 0ohms resistors, a filter coils and an ESD filter resistors.

nokia n82 power on off button switch jumper ways

Here's the alternative way to apply jumper when the power switch solder terminal pads is being damaged on Nokia N82.
Just follow and trace the line paths shown on the solution below.

Nokia N82 power ON OFF button Switch Jumper Ways

Just trace and apply a tiniest magnetic jumper wire on the spots shown of the above solution.