KM Sariful
Nokia E72 Earpiece Speaker Problem Jumper Solution
Showing posts with label Nokia E72. Show all posts
Showing posts with label Nokia E72. Show all posts
Nokia E72 USB Pin Charging Connection
KM Sariful
Here's the Nokia E72 Solution for USB Pin Not Charging Problem. This solution may help fix the phone if t doesn't show any charging indication when the charger via USB pin is being plug-in.
If this problem occurred, you may first check the USN pin connector for possible damage and then clean it if there is an oxidation build-ups found.
You may refer to the solution below and do have a check an test procedures on the highlighted components for further troubleshooting.
The solution above shows the components and connection line paths of the USB pin connector and can be used to check and test if the device won't charge up. You may first check the FUSE and the Chip Diode for possible damaged. You may also try plugging the charger then check if there is a voltage reading on the filter capacitor as shown above. If the voltage is missing, check it through fromthe USB pin connector where it come from. If the voltage is okay, it means that either the fuse is open and the diode is shorted.
Here's the Nokia E72 Solution for USB Pin Not Charging Problem. This solution may help fix the phone if t doesn't show any charging indication when the charger via USB pin is being plug-in.
If this problem occurred, you may first check the USN pin connector for possible damage and then clean it if there is an oxidation build-ups found.
You may refer to the solution below and do have a check an test procedures on the highlighted components for further troubleshooting.
Nokia E72 USB Pin Charging Connection
Nokia E72 Power ON-OFF Switch Jumper Solution
KM Sariful
Here's the Nokia E72 solution for lifted and damaged ON and OFF power switch problem. This solution is helpful to reconnect the cut-off power switch line paths that resulted to "unable to turn the device power ON".
For some reason the power switch terminal solder pads may also been severely damaged and lifted by the users., In order to fix this problem we need to bond the power switch to its original position so that it won't easily break. But the problem is, we cannot apply a solder on its terminal because the solder pads was already been lifted. To avoid hassle digging the PCB board you can refer to this solution below to locate which particular components where we can apply and mend a jumper wire to reconnect the said open line path of the power switch connection.
Locate the 10K resistor as shown on the solution above. the other side of that resistor is connected to the battery supply voltage and the other side is for the power switch line paths which also directly connected to GAZOO IC ball bumps number B10. On that spots is where you can apply a solder for the jumper wire down to the terminal of the power switch. Best of luck!
Here's the Nokia E72 solution for lifted and damaged ON and OFF power switch problem. This solution is helpful to reconnect the cut-off power switch line paths that resulted to "unable to turn the device power ON".
For some reason the power switch terminal solder pads may also been severely damaged and lifted by the users., In order to fix this problem we need to bond the power switch to its original position so that it won't easily break. But the problem is, we cannot apply a solder on its terminal because the solder pads was already been lifted. To avoid hassle digging the PCB board you can refer to this solution below to locate which particular components where we can apply and mend a jumper wire to reconnect the said open line path of the power switch connection.
Nokia E72 Power ON-OFF Switch Jumper Solution
Locate the 10K resistor as shown on the solution above. the other side of that resistor is connected to the battery supply voltage and the other side is for the power switch line paths which also directly connected to GAZOO IC ball bumps number B10. On that spots is where you can apply a solder for the jumper wire down to the terminal of the power switch. Best of luck!