Question about Magellan Maestro 4250 GPS
The battery is inside the case under the logic board.
To get at you will need a very small phillips screwdriver and a very small prie tool (Spectical flat screwdriver will do).
1/ Place your unit screen down on a towel (Prevent scratching the screen)
2/ Remove the small rubber plugs on each corner. There are 4
3/ Remove the 4 small phillips head screws.
4/ Now the tricky bit with the prie tool or small flat head screwdriver. pop it into the sides
gently and pop out the locking tabs, work you way all around (there are two on each side).
Be gentle doing this as the electronics inside here are very delicate.
5/ OK now the back is loose you will need to unplug the speaker from the logic board. Now
the back can be completly removed.
6/ There are 2 screws holding the logic board in place 1 on the left 1 on the right. Remove them.
7/ Now on the side were you put your SD card in apply gental pressure to push out the plasic and at the same time lift out the logic board, remember to lift up the microphone at the top left.
8/ Wala theres your battery it is taped in place so gental pressure will be needed to lift it out
Unplug and replace rebuild is the reverse of stripdown.
Once you put it all back together you will need to charge it for at least 4 hours.
Good luck hope this helped you
Posted on Dec 31, 2010
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Posted on Jan 02, 2017
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