Nokia 1508 Power ON – OFF Jumper ways means
Nokia 1508 Power ON – OFF Jumper principal means
Here is the Nokia 1508 could not work ON -OFF button solution. This solution can be useful if the device does
not active when there are indications in the display when the charger is plug-in charging.
To resolve this problem, you may need to first clean the pad and the contact pads of the power button for a
possible oxidation accumulation. If it looks clean but still does not always respond , refer to this solution
below because it shows the path of the line connecting the key to power and conduct tests and procedures for
You can first check the battery voltage ( VBAT ) on the inner core. If there is a voltage reading on this
point , it means that his line path is correct, if got zero readings , then you can trace the connection line
VBAT and manage reconnect . The outer core is the power were on the way to the main line and connected
directly to the chip, but you can still follow its path line and reconnect it .. if the line is cut ,
according to the above proposed solution . There is also a possibility that the problem may lie in the power
controller IC and the load , you may need to rework or replace if the device still unable to turn on and the
above solution does not solve the problem .