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If the Send , E60 and End key button keys failed to respond on Nokia X6, and you already tried to restore , reset, flash and update the device firmware but nothing happens . Keypad keys malfunction on Nokia X6 may also possibly caused by a faulty keypad flex, cleaning or by replacing it will help solved the problem. Nokia X6 joystick flex cable wire If after replacing and ensuring that the flex is okay but the keys still unresponsive, you may then consider that the problem lies on a faulty keypad circuit's  hardware components on the PCB board. This solution below will tell us which components holds and controls the keypad keys to function or work. Nokia X6 Send, E60 and End key malfunction solution Check the keypad pin connector first ensure that it is free from dirt and oxidation. From the keypad pin connector there are three line filter coils located near to it, have a check on this components and replace if found damaged. From the keypad filter coils the lines is feeds t...

Here's the solution for NOkia 3500 classic No Hand Free Speaker sound can be heard repair solution. If you ever tried checking and ensuring that loud speaker seem working but still there is no audio sound can be heard on the device when hands free is activated. This solution shows particular PCB board components that may possibly faulty or damaged and cause the Nokia 3500 not have an audio sound output over the speaker. Nokia 3500c Hands Free & Ringer Speaker No Sound Solution Ensure the speaker is working, replace if the sound is distorted. Check the connected filter coils on the circuit, replace if found damaged. Trace the line paths, mend a jumper wire if found open circuit. If the line paths and the filter coils are okay, rework the audio IC (RETU). Replace if does not solved the problem.

A display problem like, white screen (WSOD), blue screen, blank or black screen, saturated and garbled screen displays , can be cause  by a  faulty or damaged LCD screen display and can be fix by installing anew LCD replacement on it. Sometimes an interrupted firmware also causes the problem and can be fix by restoring the device firmware. IF all of the above does not solved the problem you may then consider that the problem lies on the hardware components failures. The solution below will show us a particular hardware components that holds and control the display data signals on Nokia N97 mini which enable the LCD screen to work. Nokia N97mini Display Problem solution The LCD display connector may also cause the problem if being corroded and oxidation occurs, cleaning it  first is a good idea. If the device suffered like wet damaged, accidentally heavily dropped the display controller IC and its particular line paths  may also possibly damaged. Reworking and ...

If ever trying to fix Nokia X6 touch screen failure issues and you'll do replacing the touch plate module, trying to calibrate the touch screen setting but unresponsive and restoring, upgrading and flashing the device firmware but nothing happens , the problem still exist and the touch screen left unresponsive. This sometimes happens if the device suffered due to a wet damaged, heavily dropped and any related damaged accidentally done by the user. In this case only a hardware repair may only help solved the problem. This solution below show the Nokia X6 PCB board components that holds and control the touch screen panel to work. Nokia X6 Touch Screen Failure Solution The solution above showed  a Touch Accelerometer chip that   used to sense orientation,  detect direction in multi-access direction of the Touch  Plate module. If the chip is damaged the touch screen will not work and remains unresponsive. This chip needs a DC supply voltage of 2.78 volts ...

Here's the solution that may help and guide to repair Nokia X6 having a No Network Signal reception . If ever tried to  restore and update the device firmware but nothing happens, this solution shows the corresponding  RF circuit of Nokia X6 PCB board that might something wrong, faulty or being damaged. Nokia X6 No Network Signal problem solution Repair Tips: 1. Apply and supply voltage to the PCB board using desired DC regulated power supply voltage of 3.7 volts. Check the supply voltage from the cellphone's battery through to the corresponding components highlighted in red color, these are battery supply voltage filter coils that being feeds to RF circuit components. IF there are no voltage readings on that areas, check the continuity of the battery positive terminal on that certain parts. Apply jumper if the line is cut or open. check also the filter coils and replace if found damaged. 2. Check and measure the secondary voltage output from the RF DC to DC conver...

Before using or applying this solution ensure to restore ,flash and update, the device firmware on Nokia X6. Oftentimes camera failure is cause by an interrupted firmware, restoring or flashing it back again will fix the problem. But if that does not solved the problem you may then proceed to hardware repair troubleshooting, especially if the device suffered from wet damaged and accidentaly dropped by the user. The problem may possibly lies on faulty hardware components . This solution below shows the main camera circuit on Nokia X6 and can be used as a guide to fix and repair camera hardware failure issues. Nokia X6 Camera Hardware Problem Solution Camera Repair Tips: a) Try to replace a new camera replacement module . b) Check and clean the camera connector . c) Do supply voltage measurement on corresponding camera supply voltages ( see solution above ). You can check this voltages while trying to enable the camera in ON condition.     There are three voltage conver...

Here's the solution  that may help fix and repair Nokia 2700 classic Power problem. This solution is for Nokia 2700 classic that shows charging indication but doesn't  get On or power up when pressing the power key switch button.  Although this solution came late but  still there are many who are looking and requesting  this solution. Nokia 2700C Power On -Off key Switch Line Tracks There is line test spots near the Keypad filter IC that can be easily check the power/ end key line paths, just apply a jumper wire if that line is open or cut. If the said line spots is okay, you may need to check and replace the upper Keypad Filter IC.

Here's a full keypad solution that may useful and possibly help fix and repair Nokia N92 keypad problem or failure. If any certain keys will not been able to function this solution will show you each keypad keys line tracks and connections, including the keypad filter IC that may also cause the keypad keys failed to function if damaged or faulty. Nokia N92 Keypad Keys Malfunction Solution  Nokia N92 keypad IC jumper ways There are two keypad ESD filter is being used on the keypad circuit of Nokia N92, ( see solution above ). The small keypad IC holds the volume UP and DOWN control and the Camera Shutter button, and some  group of keys. The bigger one holds all the keypad keys, if this keypad filter IC is damaged all of the key will not respond or unable to function. By only replacing it with a new one will only possibly fix or repair the keypad problem on Nokia N92.

Insert SIM card problem may happen and shows on the LCD screen display, if the SIM card inserted on the mobile phone device is already damaged but IF the SIM card card is working good and the device handset will not accept any kind of SIM card, the problem may lies on the device itself. This may happen if the mobile phone is damaged by a liquid or water damaged and any means of accidental damage by the standard user. Here's solution that may help possibly help fix and repair Nokia X6 Insert SIM card problem. Nokia X6 Insert SIM card Solution  This solution shows the SIM card circuit on Nokia X6, including The line tracks of the SIM card pin connector through to each corresponding solder ball bumps of the IC components (AVILMAS) that holds the SIM card to work.

Bluetooth, Wireless LAN and GPS connection  problem can be cause by a firmware failure and can be easily be fix by restoring, updating or flashing the phones firmware again. But after doing any firmware repair and the problem still exists the problem may certainly lies on the hardware components failures. This solution below  may possibly useful and help fix and repair Nokia X6 Bluetooth, WLAN and GPS problem issues for it shows the Bluetooh, WLAN and GPS component circuit. Nokia X6 Bluetooth, Wireless LAN and GPS solution Repair Hints: Ensure that the firmware of the device is successfully calibrated, upgraded and restored. 1) Check all corresponding supply voltages in the circuit 2) Check the RF buffer clock  feeds from the RF circuit 3) Check the Bluetooth and WLAN antenna 4) Rework the Bluetooth IC first,  the WLAN will not work if the Bluetooth IC is faulty.

if having tried to fix Nokia X6 Earpiece Speaker Problem that No Audio sound output can be heard and you already check  speaker is okay and also already  tried replacing the Flex cable wire but he problem unsolved. This solution might possibly help to solved the problem. Nokia X6 Earpiece Speaker problem solution If the earpiece speaker and flex cable wire is working okay, those particular components highlighted on the solution might causes the problem if the device is severely damaged by any means of liquid or water damaged. Start to check on the flex pin connector and way down toall corresponding components composed of filter coil and bypass ESD resistor, replace at once if found open or shorted. If the filter coils were okay you may need to rework the power and audio IC (AVILMAS) trace the line paths first while the IC is being removed, then reball the IC, clean the solder balls surface and inplaced it back again.

Here's the solution that might possibly help solve Nokia X6 mouthpiece microphone failure, a problem that no audio sounds can be heard from the other receiving device during a call is created. Nokia X6 Microphone sound failure solution The red lines indicated in the solution above is the microphone's supply voltage if this voltage is cut or not present the mic will not tend to work. There are also resistors that where the digital audio signal is flow across to this components that has a resistance value of 100ohms each, check and replace it first  before attempting to replace the Digital Microphone Module.

This solution covers and may possibly help solved Nokia X6 Ringer and and Hands free loud speaker No sounds can be heard. You may need to ensure that the loud speakers is working well before applying this solution. Nokia X6 Ringer and Hands Free Speaker No sounds problem solution In Nokia X6 the handsfree speaker came with two channel the left and the right channel or so called stereo type. The audio signal is feeds from the power and audio chip (AVILMAS) and feeds to a audio amplifier IC to boost and amplify the sounds intensity. You may need to check, trace, replace and rework those corresponding components indicated on the solution picture above.

Here's a solution that shows the location of BTEMP resistor that caused Charger Not supported on Nokia X6 if damaged. This components needs to replace if cahrger not supported shows on the LCD screen display when the battery charger is being plug-in. X6 Charger Not Supported btemp resistor location This Btemp resistor rated value is 47K. You may easily find it on other non working Nokia PCB board.

If having problem connecting from USB to PC on Nokia X6 , this solution may help if the device is not detected after ensuring that the USB cable wire is okay. The device driver is properly installed but the problem still exists. This solution shows the particular components might caused faulty or damaged and result to a problem connecting to the PC through USB port. Nokia X6 USB Not detected Solution Repair hints: Check the microUSB connector if damaged, oxidated or corroded, clean or replace it.  Check the filter coil and ESD protection chip, replace if found damaged. If the problem still persists check the power supply of the USB transceiver IC, it is conneted to the battery positive line voltage,  if the voltage is okay, rework or reball the USB transceiver IC.

This solution may help fix if the Nokia C5 shows "charger not supported error when the battery charger is plug-in. If the error message shows, this probably cause by a faulty hardware components on Nokia C5 PCB board. Just refer to the solution below and locate the highlighted components for it is part of  the charging indication components. Nokia C5 Charger Not supported problem solution Hints for repair a Nokia C5 charger not supported problem: 1. Try to use another phone's battery and charger. 2. Check/clean the battery terminals and connector 3. Check/ replace the 47K resistor as shown on the solution above

Here's a solution that may help fix and repair hardware related damaged on Nokia C5 No Earpiece Speaker Audio Sound   output . If the earpiece speaker already been check and seems to be working fine but still no audio sounds can be heard. you may need to check those certain components indicated on the solution. Repair hints: 1. Check/replace the ear speaker 2. Clean the speaker terminal pads 3. Check/replace the filter coil 4. Check/ replace the ESD filter or remove it,

Here's a solution that can be used to fix and repair Nokia X6 Display problem issues like white screen, blue screen , blank screen, garbled and saturated screen displays .. This solution may help if having a LCD display problems and already tried to upgrade or restore the device  firmware and  replaced it with a new LCD module replacements but the problem  still exists. Nokia X6 LCD Display  solution There are two voltage supply that also need to the LCD display to work , the 1.8 volts and 2.78 volts.The solution above alao shows particular components that needs to check and replace if found faulty or damaged like the Display  ESD-EMI filter IC. If those supply voltages seems to be okay and the LCD display ESD-EMI filter IC is working well and already been checked and replaced the solution below shows the next components that also needs to check, rework or replace. On Nokia X6 there is a display controller IC that is being used and connected on the LCD...

Here's the solution for Nokia C5 Not Charging problem , this simple solution provides the basic details on how to fix the problem. Just refer to the solution below and follow some steps procedures on how to troubleshoot the problem. This solution may works on 'charger no response indication ' when any working battery charger is plug-in to the DC jack. Nokia C5 Not Charging problem Solution Repair hints for Nokia C5 Not Charging problem: 1. Visually check the charging pin connector( DC jack) for possible damaged, clean,fix if the terminals is misaligned or replace it. 2. Clean the charging pin terminal contact pads. 3. Check the battery and try using another working phone's battery. 4. Check the battery terminals, clean if oxidized. 5. Check/replace the fuse 6. Check /replace the chip diode 7. If the above procedures doesn;t fix the problem, the possible faulty is the GAZOO IC, reworking or replacing it will only fix the problem.

Here's a solution that may possibly help fix and repair Nokia C3 display problem like white screen , blue screen, blank screen , garbled and saturated screen displays . Note: this solution may only work and can be applied after ensuring that: a) the Flash firmware is okay b) the LCD Display module is okay or have tried replacing it with a new one This solution below shows the display circuit  connection of Nokia C3 and its corresponding line connections including the pin connector's pin configuration. Nokia C3 Display problem solution ( LCD pin connector's line tracks) Repair Tips: 1. Check the LCD pin connector, make sure it is free from dirt, oxidation and corrosion. Clean it and apply solder if the pins found a cold solder or broken. 2. Check the two voltage supply it is 1.8 and 2.8 DC volt(see solution above) 3. Check the connected two resistors near to the pin connector this two resistor has a value of 0 ohms and 100 ohms. replace if found damaged. 4. If all of ...

Here's a solution that may possibly help fix and repair Nokia X3 Failure of LED backlight  on keypad and LCD screen display. This solution completely shows the lines paths and particular components that may need to check and replace if the LED backlight failed to light up. Nokia X3 No LCD and keypad backlight LED repair solution There is a fusible resistor is been connected to the LED backlight circuit in case a short circuit occurred if the device is being damaged by a liquid (Wet Damaged). See solution above marked with number 1. That resistor is the one feeds the power supply from the phones battery. If that resistor is open both keypad and LCD display LED's will not light up for it is the main LED supplying positive voltage. The negative current or voltage has two circuits, one for the LCD (marked with number 4 ) and the other one is for the keypads ( marked with number 3 ). You may check / replace each particular corresponding  connected components highlighted on t...

This solution covers to fix and repair Nokia X3 Hands Free Speaker No audio sounds can be heard or No ringtone sounds. the solution below shows particular components that needs to be check  or by then replace if found damaged. If the loud speaker component is working well when checked up, you may proceed to check this highlighted  components showed below, for it where the audio sounds signals is feeds from the audio IC module. Nokia X3 hand free, Ringer Speaker No Sounds solution Those components were composed of filter coils, it is easy check each of them by using a multimeter in a continuity test method. There are two channels in Hands Free speaker circuit the left speaker channel and the right channel. If only one channel is not working, you may concentrate only on that certain part. Just configure the solution above.

Here's a full solution of Nokia X6 keypad problem and failure. This solution shows the complete line tracks for easy tracing particular keys that stop responding including the camera and volume control switches button.   Nokia X3 keypad keys, camera and volume control button switches solution Each key were group in one line of connection, each connection is filtered by an ESD filter IC. The solution above shows how each certain keys are being connected to the keypad filter IC. There are three keys commonly connected together in one line of connection, therefore if only one or two key is not working, you may consider that the problem lies only on an open path of connection. If there are three and above keys does not work you may considered that the keypad ESD filter is damaged or faulty.

Here's a full display problem solution for Nokia X3, If you ever having tried to replace a new LCD module replacement and updating the firmware by only trying to fix a Display problem, like White screen , Blue screen , blank screen , garbled, saturated and etc on X3. but the display problem still unsolved. This solution below shows the connection of display ESD filter IC to each certain pins of the B2B connector. Nokia X3 display problem solution  Nokia X3 display IC line tracks If the the Display ESD filter chip is damaged this will result to display problem issues. By replacing them will only possibly solved the problem.

 If having tried to repair Nokia 5700 display problem issues and you installed a new LCD display module replacement on it but the problem still exists, This solution  may help fix and repair Nokia 57000 display problem issues like white screen, blue screen, blank screen, garbled screen and other related display problem that is not caused by the LCD display module. Nokia 5700 Display Problem solution ( white screen, blue screen and blank screen display repair) There are two ESD-EMD filter is connected in the display circuits, If these ESD filter has been damaged it will result to display problem issues. Replacing it will possibly solved the display problem issues like white screen, blue screen, blank screen, garbled and saturated screen displays.

Here's a solution that solved, fix and repair Nokia 5030 Ringer Speaker no sounds output problem. This solution shows the components that might also possibly damaged if the speaker does not have a sounds output. After ensuring that the loud speaker module is working okay, you may also check or by then replace the components showed on the solution below.  N- 5030 Ringer, Hands Free Speaker No Audio Sounds Repair solution The Ringer audio sounds signal is feeds from the UEM IC, therefore for further troubleshooting you may also try to rework the UEM IC if all of those components above including the loud speaker is working well.

Having a Charger No Response indications is a sign of a defective battery charger, charging pin connector and some of the components on the PCB Board like the chip fuse is being busted or damaged. This solution below may possibly help fix and repair Nokia 5030 Charger no response indication. It shows the location of chip fuse on the main pcb board that needs to check and replace when a charger no response occurred. Nokia 5030 Charger No response  solution (Not charging Repair) The chip diode may also damaged and cause short circuit, a shorted diode make the chip fuse blown again, replace it if found shorted.

Here's a solution that may possibly help fix and repair Nokia 2690 LCD Display problems like white screen , blue screen, black or blank screen displays . If you're having tried to replace a new LCd display module replacement when trying to repair display problem on Nokia 2690 but nothing happens and the problem still exists. This solution below shows the connection of LCD display data signals from the application processor chip to  each single pins of the LCD connector. 2690 LCD display connection line tracks ( display jumper ways) The solution above shows a detailed information of the display data signal being feeds from the application processor IC to the LCD display pin connector. Each line is been filtered by a resistor that has resistance value of 33ohms each. You may check each resistor and trace each particular line paths, replace the resistor if found damaged or by then apply a jumper for an open line or cut connections.

Here's a solution to solved Nokia 5030 xpressradio Display problems such as White Screen, Blue scree, blank screen, black screen and any related display failures. This solution shows the display line tracks connection from a certain components to the LCD pin connector. 5030 LCD display problem solution (display jumper ways) The display data signals is feed from the application processor then each line is filtered by resistor before it gets through to the LCD module.

Here's the solution that may possibly help fix and repair Nokia 2690 Earpiece Speaker No audio sound output problem. 2690 earpiece speaker jumper ways You may need to ensure and check that the earpiece  speaker is working before replacing those components composed of filter coil and an ESD filter. If all of those components were all seem good the problem may lies on a broken line paths from the power and audio IC (AVILMA). So , for further troubleshooting you may need to rework the power supply chip that might possibly fix and repair Nokia 2690 Earpiece Speaker Sounds problem.

Here's the full and complete solution for Nokia 2690 Keypad line tracks and keypad filter IC jumper ways including the power on -off key connection. This solution below may possibly help fix and repair a certain keypad malfunction that stop responding on a damaged Nokia 2690 cell phones. Nokia 2690 keypad Line Tracks and filter IC jumper ways solution with power ON/OFF key View larger image here Ensure that the keypad membrane is perfectly clean before trying to trace each corresponding keypad keys that is not responding. Majority of each group of connection has three keys are connected together, therefore if only one or two keys are not working, the problem may lies on open line tracks. If more than three or all of keys are not working the problem may lies on a damaged EMI-ESD filter chip.

This solution shows the connection of the Nokia 2710 navigation edition keypad connections from the keypad matrix flex through to the keypad pin connector and  keypad filter IC's. 2710 Keypad keys connection configuration on the flex keypad matrix And this solution below show the keypad connection from  each particular solder ball bumps of the keypad filter IC. This also includes the nokia 2710ne camera switch connection tracks Nokia 2710 keypad IC jumper with camera switch line tracks

This solution shows the camera module circuit of nokia 2710 navigation edition. If the camera failed to initiate, this solution might help fix and repair the problem. If already tried to restore it's firmware but the problem still exists, this solution shows the tracks of the Camera module supply voltages that needs to check before attempting to replace the camera module assembly. Nokia 2710ne camera problem repair solution There are three power supply voltages that makes the camera module works and operate if one of these voltage were missing the camera  will not function, and it shows camera hardware failure, camera on standby and either no reactions or indication at all. A Camera on standby mode may fix by restoring it's firmware. If an empty or black screen showed on the LCD display screen,  the problem may lies on the camera module itself, replacing it will possibly solve the problem. So first ensure that the firmware is secured before proceeding to hardwar...

Here's a solution that may help fix and repair Nokia N78 keypad failure or malfunction . If you already tried to replace the keypad flex cable but the problem still exists, this solution below will show you the keypad filter IC that is being connected to eah particular keys within the keypad matrix. N78 Keypad Filter IC connection tracks You may trace each particular line paths for deep keypad repair troubleshooting.

This repair solution below may possibly help fix and repair a damaged Nokia N78 displays like white screen, blues screen, garbled, blank or black screen and some related display problems and failure. N78 Display problem solution N78 Display IC jumper ways solution Repair Hints: There are two Display filtering chips used in the circuit, if already tried and replaced those both filter IC you may then also rework or replace the Display IC marked with number 3.

This solution show the two filter coils and ESD filters that needs to be check or by then replace if there is no audio sounds can be heard over the earpiece speaker On Nokia N78. Ensure that the speaker is working fine before trying to check and replace those components showed on the solution picture. Nokia N78 Earpiece Speaker Problem Solution ( No audio sounds repair) Those components are composed of a chip filter coils and an ESD filter that looks like a resistor and mounted on the top left side of the PCB board.

Here's the solution that may possibly help fix and repair a microphone failure on Nokia N78 cell phone handset. In Nokia N78 the microphone line track is connected over the keypad flex cable wire connection. If something went wrong and the microphone failed to have an audio signal output during transmission , The problem may possibly lies on a faulty mouthpiece microphone, a damaged flex cable and a faulty microphone signal line paths. This solution below shows the microphones line tracks that needs to be trace after ensuring that the microphone is okay and the flex cable is also okay. Nokia n78 microphone failure solution The microphone's positive terminal line tracks is connected on pin 22 of the keypad pin connector, while the negative terminal is on the PCB grounds. There is also a bypass capacitor connected to it, if the capacitor is oxidated or shorted due to a wet damaged this also result to microphone failure problem.

Here's a complete line tracks of Nokia N78 charging circuit that may help fix and repair Not charging issues such as Charger No Response and Fake Charging. The solution below shows the corresponding components that needs for check up and replacement if found damaged. Nokia N78 Charger No response solution When a charger is being plug-in but there is no indication shows on the LCD screen Display. The problem may lies on an open chip fuse or a shorted diode. see picture above.. But ensure first that the charging pin connector is perfectly clean and not damaged before trying to check or replace the above showed mounted components. IF the chip fuse, filter coils, chip diodes and capacitors is okay the problem may possibly lies on the Charging IC (BETTY IC). Try to reflow/rehea and rework before replacing it. A faulty Charging IC may also result to a fake charging, it means that it  shows a charging indication on the LCD screen display but the battery does not charge up at all.

When the MicroSD card inserted on the device and nothing happens but it displays " memory card not inserted" something like that, this solution may help fix and repair the problem if the Nokia 2710 navigation edition has been damaged by any means like wet damaged or accidentally dropped. The solution below shows the particular SMD components that needs to check, trace and replace to possibly fix the problem. Nokia 2710ne MicroSD memory card problem solution Repair tips: 1. Check the MMC card detection switch first, you can read a voltage on that area about 1.8 volts if unpressed and 0 volts if pressed. 2. Check and trace the MMC supply voltage it is marked with VSIOD and connected to MMC socket pin #4 then the pin #6 for groundings. 3. If both MMC power supply voltage and MMC detection switch is okay, the problem may lies on the ESD-EMI filter chip. Replace the ESD filter if necessarily.

Here's the solution that may possible fix and repair Nokia N78 Charger not supported problem. This is caused by a damaged battery temperature resistor (BTEMP). This resistor has a value of 47K, by replacing it might help fix the problem. Nokia N78 Charger Not supported solution N78 BTEMP Resistor location

Insert Sim card solution for Nokia 2710 navigation edition. This solution may help fix and repair a wet damaged or accidentally dropped nokia 2710 and result displaying "insert sim card" on the LCD screen display. Nokia 2710ne Insert Sim card repair solution Repair tips: Check or Trace the VSIM power supply voltage from the power IC to the VSIM pin connector of the sim card holder or socket. Trace all the remaining line tracks indicated on the solution above those are the SIM Data, SIM Clock and SIM Reset line paths. If all of those line paths are okay, you may then replace the SIM EMI-ESD Filter IC. The SIM Filtering IC's internal solder ball bumps connection is also included on the solution.

Here's the solution for Nokia N79 display problems such as blue screen, white screen, black or blank screen displays. This solution may help fix for the symptoms after ensuring that LCD screen module is working okay but the problem still exists. The guide below shows the LCD display data signal line tracks from the display EMI filter IC to the corresponding LCD display B2B pin connector. Nokia N79 Display IC LineConfiguration (N79 Display IC Jumper ways) Repair hints: If the two Display EMI-ESD filter has been change but the problem remains. Do try to rework the display IC marked with number three. Just have the rework station heat controlled about below and not above 350 degrees and have an air flow of 3-5 range. Need extra care for that IC to work with. P.S. this solution has been posted by special request.

This is the alternative solution to fix and nokia 3710 fold with a damaged keypad ESD filter IC that result to keypad failure or malfunction. If encountered troubleshooting a keypad not working problem on nokia 3710 fold and then already tried or ensured that the keypad matrix or keypad flex membrane is okay, you may try to apply this solution below to determine if the keypad IC is faulty or damaged. Nokia 3710f keypad IC jumper ways and line tracks You may first try to apply the solution showed above before trying to replace a  new replacement keypad filter IC; In this way you can easily determine if the keypad filter IC caused the problem on nokia 3710 fold..

Here's the Nokia 3710 fold keypad flex membrane line connection ways and tracks that can be used to trace a certain keypad keys that stop responding or not working when being pressed. This solution can be helpful to trace if there is one or more particulars keys that does not work before trying to figure out the main PCB board components that holds the keypad connection like the keypad filter IC. The solution below shows the navigation  and  alphanumeric keys connection between each other including the volume control buttons like the volume up and the volume down. Nokia 3710 fold keypad matrix line connection ways and tracks Each keys have a designated color code for easy tracing procedure. The outer and inner core where both have different connection with each other. Just refer to the solution above for tracking particular keys that is not working or having a problem. For further troubleshooting nokia 3710 fold keypad problem or if this solution already used or a...

If the there is no sound can be heard on Nokia 3710 earpiece speaker, this problem may possibly caused by a faulty speaker, a corrupted flash firmware , a damaged flex wire, oxidation build up due to wet damaged, weak contact terminal pads and possible damaged components within the PCB board circuit. This solution below can be used for further troubleshooting if already doing a check up and found out that the speaker is okay, the flex wire is good and working and or already tried installing a new replacement, the PCb board is already cleaned. Nokia 3710 fold Earpiece Speaker Repair Solution The components highlighted on the solution above  is mounted or located near the flex pin connector and the application processor chip. These components are composed of a filter coils, resistors and an ESD protection chip. These is where the audio signal flow across this components which is feeds from the Audio IC (GAZOO). You may check each of these components and replace if found ...

This solution may useful and help fix or repair Nokia 3710 fold ringer and hands free mode loud speaker speaker that no audible sounds can be heard on the device. If encountered and tried to fix this problem you may start to check the speaker, replace if it is already damaged, cleaned up the PCB board contact pads for the speaker terminals.  If already been installing a new speaker or cleaned up the terminal contact pads but still there is no ringtone or an MP3 music sound can be heard on it when being played. This simple solution shows the left and right ringer (IHF)hands free speaker components circuit on nokia 3710 fold PCB board, that needs to check for further troubleshooting. Nokia 3710 fold Left and Right IHF Ringer  Speaker No Sounds Solution IF only one channel is having a problem you may only trace and check the components associated or connected with it. The left channel speaker is which is only connected within the main PCB board, while right speaker ...