Nokia 503 Usb Charging Solution, Problem, Jumper, Ways
Here’s the Nokia 503 solution for not charging problem such as charger no response and fake charging or shows charging indication but it won’t stored on the phone’s battery.
This solution provides some hints on how to fix the phone if the said charging problem happens. refer to the solution below and start locate those highlighted components on the PCB board and do some tst and check-up procedures.
To fix the device, you may start checking up the charging pin connector, make sure that its terminals are not bended or damaged. Clean it if necessary including the charging pin terminal contact pads on the PCB board.
If the above steps doesn’t solved, check the FUSE, Coil, capacitor and the Diode, then replace if found damaged. If all these components seems all working OK, the next option will be is: Try to reheat, rework the Betty IC, these IC holds as a charging controller circuit. You may then try to replace it, if after reheating or reworking it doesn’t solved the problem.
Track all these paths and components as shown in diagram above. all these tracks are given in different colors so that you can find out the jumper ways easily.
Nokia 503 usb not charging, Usb not recognized, charging not save, not charging