Nokia E73 Ringer, Hands Free Speaker Solution

Here's a solution for Nokia e73 Ringer, Buzzer or Hands Free Speaker Problem that there is  no Sound can be heard on the device.

If the ringer speaker does not have an audio sound output can be heard on the device, you may need to check first the ringer speaker and ensure that the speaker terminal contact pads is clean or not misaligned.

But if the speaker is working fine and the terminal contact pads seems okay but still there is no sounds output over it. You may then proceed to check certain components on the Nokia E73 PCB board that holds for the ringer speaker connection. This solution below shows the components and connection line tracks of the ringer speaker which is useful in troubleshooting ringer or hands free speaker problem on Nokia E73.

Solution for Nokia E73 with  Ringer or Hands Free Not Working Problem

You may first check the filter coils in each polarity connection, there is an ESD filter chip and filter capacitors were also connected to it. You may replace this components if already damaged. If these components were both okay, the problem maybe lies on an open line connection paths. Trace it and mend to reconnect the open or cut lines.
For further troubleshooting, you may need to rework or replace the audio codec chip if the problem is not found on the line paths and filter components. The audio codec boost up the audio data signals before it feeds up to the ringer speaker. This option  may help to fix  Nokia E73 ringer speaker problem.

Nokia C7 Solution - Power ON-OFF Switch Jumper Ways solution

Here's a solution for Nokia C7 power ON OFF switch when damaged or being lifted.

If the Nokia C7 shows charging indication when the battery charger is being plug-in but unable to switch on when pressing the power switch button, this solution might possibly help fix and solved the problem.

This solution shows the connection line paths of Nokia C7 Power ON OFF switch which can be used for applying jumper when the power switch is not working or unable to turns ON the device .

Nokia C7 Power ON OFF Switch Jumper Ways

The highlighted components above is where the power switch is being connected, if these components were damaged it will result to power switch failure. You may need to check and then replace these components as well.
There is a risk that the power switch on Nokia C7 may sometimes damaged and the switch terminal solder pads will be lifted and found hard enough to install it back. If these happens you may need to strongly bond the power switch to its original position and do a apply a jumper wire on it is one of the option.
You can use the solution above to determine which particular components you can put and solder a jumper wire when needed.

Nokia E73 Solution for Not Working Earpiece Speaker Problem solution

Here's a solution for Nokia E73 with a not working earpiece speaker problem or no audio sound can be heard on the receiver speaker.

If the earpiece speaker doesn't work, you may need to check the earpiece speaker and try to install a replacement spare on it. Also ensure that the speaker terminal contact pads on the PCB board are cleaned.

If  still there is no voice sound can be heard on it, after replacing the earpiece speaker. You may refer to the solution below for it shows the connection line paths of the earpiece speaker on Nokia E73 for further troubleshooting.

Nokia E73 Earpiece Speaker Problem Solution

There are filter coils and an ESD filter chip mounted near the vibra motor, you may check these components and then replace if found damaged. You may also trace the connection line paths from the speaker terminal contact pads trough to these components.

Nokia e73 MIC, mouthpiece microphone solution

Here's a solution for Nokia E73 with a not working MIC or microphone problem. This solution might possibly help fix and repair for a non working microphone on Nokia E73 phone.

The solution below shows the connection line paths of Nokia E73 microphone circuit, which may useful for easy tracing and check up troubleshooting procedures. You may need to check the certain components that holds for microphone circuit and also trace its corresponding connection line paths for possible damaged.

Nokia E73 Mic, mouthpiece microphone problem solution

In Nokia E73 there are two 5-pin digital microphone module is being used,  but you may find 4 digital microphone being mounted on the PCB board. The other two were used for reference and error audio data.
The solution above shows the primary and secondary digital microphone which holds as a voice transceiver on the device. You may first check the corresponding connection line paths showed on the solution above before attempting to replace the whole digital microphone assembly. Just be careful by removing the digital microphone module and ensure that the PCB solder terminal pads will not be damaged or lifted.

Nokia E73 Solution for Not Working Optical Joystick

Here's the solution for Nokia E73 mode with a not working  joystick problem.
If encountered a non responsive joystick on nokia E73, this solution may help fix and repair the problem.


The joystick on Nokia E73 is being mounted on the Keypad Flex cable matrix. You may need to disassemble the device carefully. After being successfully disassembled, check the whole keypad flex for possible damaged. Check and clean the optical joystick lens and the module assembly, see the picture below..

Nokia E73 Optical Joystick

If the keypad flex is already damaged you may need to replace or install a new replacement spare.
But if the keypad flex matrix and the optical joystick seems both okay or already tried installing a new replacement keypad flex, but still the joystick doesn't work. You may then proceed to the hardware troubleshooting procedure below.

See the solution below and check the two supply voltage that feeds to to the optical joystick module to determine possible causes.You may need to check and trace these supply voltages for further troubleshooting.

Nokia E73 optical joystick supply voltage connection line tracks

There are two 3D accelerometer chips that controls the joystick movement. If these two chips became damaged also result to a non responsive joystick of Nokia E73.

Nokia E73 Joystick Problem Solution - 3D Accelerometer IC

The joystick motion or movement defends on the two 3D accelerometer chips. If the joystick is non-responsive you may need to rework or replace one or both of these said chips.

Nokia E73 Mode LCD Display Problem Solution

Here's a solution for Nokia e73 with display problem such as the following:
White Screen, blue screen, blank or empty screen, garbled, saturated and blurred screen display.

These display problem may sometimes caused by a faulty LCD screen module or a corrupted device flash firmware. If this problems occurred, you may need to try to replace or install a new LCD screen of the device, then try to restore or flash the device firmware again.
If all of the above does not solved the display problem on Nokia E73, you may then consider that the problem lies on a faulty hardware components on Nokia E73 PCB board.

The solution below shows the connection line paths of the LCD display circuit, which can be used for easy tracing and check up procedure on certain components or parts.

Nokia E73 Blue, White, Blank Screen Display Problem Solution

There are two display filter IC is being used on the Nokia E73 display circuit. These two filter chips may sometimes caused the problem if it become faulty or being already damaged.
You may need to replace one or both of these display filter ic to fix Nokia E73 display problem.
The solution above also includes the connection line paths from the LCD pin connector to both of the display filter IC's solder ball bumps for further tracing or troubleshooting procedures.

Nokia E73 Charger Not Supported Problem Solution

Here's the solution for Nokia E73 with charger not supported problem.

This kind of charging problem only shows "charger not supported" on the LCD screen display when the USB charger is being plug-in.

The solution below shows a certain components that needs to be replace if this kind of problem occurred on Nokia E73. There is thermal resistor which has a resistance value of 47K. If these resistor become faulty or already damaged it will result to charger not supported problem on the device.

Nokia E73 Charger Not Supported Problem Solution

The 47K BTEMP (battery temperature) resistor is located or mounted near the keypad pin connector just the bottom of the Nokia E73 PCB board. You must replace it with same value or type or it will not fix the problem.

Nokia E73 Insert SIM Card problem solution

Here's the solution for Nokia E73 insert SIM card problem issues. This solution might help fix and solved if the Nokia E73 does not detect or accept any kind of sim card being inserted to it.

The solution below shows the connection line tracks of the Nokia E73 SIM card pin connector which can be used as a guide for easy and quick troubleshooting procedures. You may just trace each of corresponding pin connection line paths to a corresponding components being connected to it.

Nokia E73 Insert SIM card Solution

You may first check the SIM card supply voltage(VSIM) 1.8 to 2.8 volts and ground pins then down to the three SIM data signals such as the CLOCK, DATA and RESET. All the SIM card data signals entries were all feeds from the GAZOO chip. just see the solution above. There is a certain trouble that you may need to rework or replace the GAZOO chip to fix the Nokia E73 Insert SIM card problem.

Nokia E73 MMC microSD memory card not detected solution

Here's a soltuion that may help fix and repair Nokia E73 MMC microSD memory card problem.

This following solution shows the memory card circuit on Nokia E73 which is very useful for quick and easy check up procedures on certain components that holds the Nokia E73 MMC circuit.

Nokia E73 MMC memory card not detected repair solution

In troubleshooting MMc problem on Nokia E73, you may first check the memory card slot and ensure that all the pins is cleaned and not misaligned. Check the voltages on the MMC detector switch and the MMC supply voltage and the ground pin.
The MMC data signal is feeds to the GAZOO chip, by reworking it might fix Nokia e73 memory card problem.

Nokia E73 Power ON-OFF Switch Solution

Here's the solution for Nokia E73 Power ON and OFF Switch when damaged. This solution shows the connection line paths of  Nokia E73 power switch and can be used where to apply or mend a jumper wire when the power switch terminal solder pads is already lifted or damaged.

Just refer to the solution below and trace the power ON OFF switch tracks.

Nokia E73 Power ON OFF switch Jumper Ways

The Nokia E733 power ON-OFF switch is connected to a 10K resistor this goes through to the power IC (GAZOO). The other terminal side of the 10K resistor is connected directly to the battery supply voltage which is 3.7 volts.

nokia 2730c display backlight solution

Here's a solution that may help fix Nokia 2730c LCD display backlight problem. If the display problem goes dark it indicates that the LCD backlight LED's were not working.

This solution below shows the Nokia 2730c LCD display backlight components that holds and control for the LCD screen display backlight to glow. If one of these components may become faulty due to wet or water damaged it will result to LCD's back light failure.

Solution for Nokia 2730c Not working LCD display backlight LED

You may need to trace the connection line tracks, supply voltages and check some of the backlight LED driver components shown on the solution above. You may start to check the highlighted components for it is more prone to be easily damaged when a short circuit occurred. Check and replace if already found damaged.

Nokia 2730c full MMC memory card problem solution

Here's a full Nokia 2730c  MMC memory card problem solution that can be used to fix and repair nokia 2730c microSD memory card problems such as memory card not detected or memory card corrupted.

In some cases solving the MMC problem by only replacing the MMC controller chip might not work or does not solved the problem.This solution shows the MMC memory card circuit including the memory card transceiver chip voltage supply line paths for further MMC hardware troubleshooting on Nokia 2730c.
 IF these said supply voltages were not present or being cut-off this will also result to MMC problem.

Nokia 2730c MMC memory card problem solution 

You may need to check all those corresponding supply voltage line paths before attempting to rework or replace the MMC transceiver IC.

Nokia 1280 ON-OFF Power Key Jumper Ways

Here's a full solution for a damaged Nokia 1280 ON and OFF key problem. This problem may result to unable the device to turns on but it shows charging indication when the battery charger is being plug-in.

The solution below shows the entire Nokia 1280 ON/OF key connection tracks which can be used for easy troubleshooting.

Nokia 1280 On-Off Jumper Ways and Line Tracks

If the Nokia 1280 On-Off key may not working, you can trace its connection line paths as shown on solution above. Just apply a jumper wire if the line tracks is open or cut.

Nokia 1280 Keypad Problem Solution - Jumper Ways

Here' a full solution for Nokia 1280 keypad problem. If encountered keypad failure on nokia 1280 the solution below might help fix and solve the problem, for it shows the complete connection line paths of each particular on nokia 1280 keyboard matrix.

The iner and outer key connection were all highlighted  for easy tracks or tracing and check up procedures.

Nokia 1280 Keypad Problem Solution - Jumper Ways

There is a keypad controller chip that is mounted at the middle of the Nokia 1280 PCB board. If this chip become faulty or damaged, will totally result to keypad failure or malfunction. You may need to rework or replace the keypad controller chip if each of the connection line paths were all both okay.

Nokia 1280 Keypad and LCD Display back light LED Solution

Here's the nokia 1280 display back light problems solution, that shows which corresponding components that may need to check on Nokia 1280 PCB board.

The solution below shows the entire LED light components circuit. You may need to check each of this components including particular connection line tracks.

Nokia 1280 LCD display backlight problem solution

Nokia 1280 Display Problem Jumper Ways

Here's a solution for Nokia 1280 display problem such as white or empty screen, blue screen display that is not caused by an LCD screen module or the flash firmware.

his solution below shows theline paths of the nokia 1280 LCD scree display connection. You can use it for quick tracing and check-up procedures.

Nokia 1280 display jumper ways

Nokia 1280 full display line tracks

By using the solution above , you may check each of the corresponding display connection line paths. And then replace or mend to reconnect an open circuit to fix the nokia 1280 display display problem.

nokia 1280 mic, mouthpiece microphone jumper ways solution

Here's a full solution that may help solve and fix Nokia 1280 with a Not working mic or microphone. This solution shows the entire connection line paths of every components that holds for microphone circuit on nokia 1280.

If encountered mic problem on nokia 1280, you may first check the microphone module, or then try to install a new replacement spare on it. Ensure also that mic's terminal contact pads is absolutely cleaned for a strong bond of connection between the microphone's terminal through to PCB's contact pads.

Nokia 1280 MIC, Mouthpiece Microphone Solution

The highlighted layout of components shown above holds the microphone circuit, if one these said components damaged or faulty and or the connection line paths is cut-off this will result to mic problem issues on Nokia 1280. You may need to trace each corresponding line paths and connected components as shown on the solution above. for it is only the way to solved the Nokia 1289 MIC problem.

Nokia 1280 Insert SIM card solution - SIM IC jumper ways

Here's the full solution for Nokia 1280 Insert SIM card problem that it does not accept or detect any SIM card being inserted to it. This solution shows the full line paths or connection tracks of the Nokia SIM circuit, from th SIM pin connector through to the SIM filter IC and to the inner most part of the main chips solder ball bumps.

This solution also shows the  SIM filter IC's solder ball bumps connection which can be used as a guide for easy line paths tracing procedures.

Nokia 1280 Insert SIM Card Solution

Nokia 1280 SIM Filter IC Jumper Ways

By replacing the SIM filter IC can only solve the insert sim card problem on nokia 1280. However, if you are having trouble in finding the replacement of this component, you may just apply a solder jumper on it exactly as the same as how it showed on the solution above.

Nokia 1280 no network signal (drops) solution

Here's the solution for hardware related Nokia 1280 with a No network signal problem.
The solution below shows the RF circuit of Nokia 1280 that holds the device for intercepting Network Data signal transmission. If this said circuit get damaged or become faulty due to wet or water damaged and accidentally dropped, this will result to network signal lost.

Refer to the solution to locate the RF circuit components where it is being mounted on Nokia 1280 PCB board.

Nokia 1280 No Network Signal Problem Solution

The highlighted layout of components showed on the solution above indicates some hints where you will be able to have a check and fix the Nokia 1280 No network coverage problem.
Before attempting to rework or replace the RF Amplifier Chip, ensure that the supply voltage and RF clock oscillator is working okay.

Nokia 1280 Not Charging Solution for charger no response problem

Here's the full solution for Nokia 1280 not charging problem such as charger no response or it shows no charging indication when a working charger is being plug-in.

The solution below shows the charging circuit of nokia 1280 that holds and protect the device during charging operation. If these said circuit components get damaged it results to charging problem issues. These components were composed of a chip fuse, chip diode, filter coil and capacitor.
Just refer to the solution below to locate where these said components being mounted on Nokia 1280 PCB board.

Nokia 1280 Not Charging Solution

You may check each of the highlighted components above and replace if found damaged.
If the fuse and the diode were both okay, you may then proceed to check the corresponding connected components before it. There is a voltage regulator transistor just near to the battery terminal that is also holds the Nokia 1280 charging circuit.