Nokia X3 Display problem solution, Full Display IC Jumper ways Solution

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.Nokia 5030 White screen and Blue, Blank LCD Display solution



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.

Nokia X3 keypad problem full solution

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 2690 White Screen, Blue and Blank Screen LCD Display Problem Solution

 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.

Nokia 5700 White screen and Blue Screen Display Problem Solution

 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 2690 keypad IC jumper ways and line tracks, full solution

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.

Nokia 5030 Charging problem solution Charger No Response Repair solution

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 2690 Earpiece Speaker No Audio Sounds Solution

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.

Nokia 5030 Ringer, hands free loud speaker no sounds output repair solution

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.Nokia 2690 Earpiece Speaker No Audio Sounds Solution

 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.

Nokia 5030 White screen and Blue, Blank LCD Display solution

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.Nokia 2710n camera hardware failure problem repair solution

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.

Nokia 2690 White Screen, Blue and Blank Screen LCD Display Problem Solution

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.Nokia 2710NE Keypad repair solution - keypad IC, flex and pin connector line tracks

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.

Nokia 2690 keypad IC jumper ways and line tracks, full solution

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 2710NE Keypad repair solution - keypad IC, flex and pin connector line tracks

Nokia 2690 keypad Line Tracks and filter IC jumper ways solution with power ON/OFF key

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.

Nokia 2690 Earpiece Speaker No Audio Sounds Solution

Here's the solution that may possibly help fix and repair Nokia 2690 Earpiece Speaker No audio sound output problem.Nokia N78 White, Blue, Black and Blank Screen Display problem solution

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.

Nokia 2710n camera hardware failure problem repair solution

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 N78 keypad malfunction solution with keypad filter IC jumper ways solution

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 hardware troubleshooting.

Nokia 2710NE Keypad repair solution - keypad IC, flex and pin connector line tracks

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.Nokia N78 Earpiece Speaker No Sounds Repair solution

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

Nokia N78 White, Blue, Black and Blank Screen Display problem solution

 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.Nokia N78 Battery Charging problem solution - charger not supported solution

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.

Nokia N78 keypad malfunction solution with keypad filter IC jumper ways solution

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.

Nokia 2710NE Memory Card Solution - MicroSD Card not detected problem repair solution

N78 Keypad Filter IC connection tracks

You may trace each particular line paths for deep keypad repair troubleshooting.

Nokia N78 Mic,mouthpiece microphone Failure solution

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 2710NE Insert Sim Card Solution - Insert sim problem repair

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.

Nokia N78 Earpiece Speaker No Sounds Repair solution

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 N79 LCD Display problem solution - white screen, blue screen, blank screen repair solution

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.

Nokia N78 Charger No response repair solution for not charging problem solution

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 2710NE Insert Sim Card Solution - Insert sim problem repair

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.

Nokia N78 Battery Charging problem solution - charger not supported solution

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

Nokia N79 LCD Display problem solution - white screen, blue screen, blank screen repair solution

N78 BTEMP Resistor location

Nokia 2710NE Memory Card Solution - MicroSD Card not detected problem repair solution

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.

Nokia 2710NE Insert Sim Card Solution - Insert sim problem repair

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.

Nokia N79 LCD Display problem solution - white screen, blue screen, blank screen repair 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.