Sunday, January 08, 2017

Magellan RoadMate 1440 – Disassembling procedure – How to replace the mother board

Place the RoadMate with the screen facing down.
Locate the four screws in the back cover of the device. Use a Phillips #0 screwdriver to remove all four 4.2mm Phillips #0 screws.
Locate the screws at the bottom of the device. Use a Phillips #0 screwdriver to remove the two 4.2mm Phillips #0 screws.
Insert the black spudger into the crease in the side of the RoadMate.
Move the end of the spudger down to break the seal between the two plastic shells.
Continue doing this along each side of the RoadMate to ensure a smooth removal.
Fully separate the two sides of the case.
Locate the tape on the battery wires and the tape on the speaker wires. Remove both pieces of tape.
Use the black spudger to break the seal between the adhesive and battery. Use the same spudger to continue to pry the battery from the backing
This may be a little tough to separate the battery and the adhesive
Lift the battery from the device
Once the battery is free from the adhesive, remove the piece of tape with a pair of tweezers that is covering the connection of the battery to the motherboard.
Unplug the battery from the mother board by pulling back the clips and pulling the wires away from the motherboards receptacle
It is important for your and the device's safety to remove the battery before continuing with any other part removals.
It is not necessary to separate the red and white wires from the battery. A replacement battery pack will come with similar wires already attached.
After the back has been removed, locate each of the screws securing the speaker to the inside of the back cover.
Use a Phillips #0 screwdriver to remove the two 3.8mm Phillips #0 screws.
The speaker is connected to the motherboard by a few wires Gently remove the connector from the motherboard to completely remove the speaker.
Once the back cover has been removed, lift the power switch from the device.
This is only a sliding switch, the button to power the device on is inside the unit
Remove the device's screen.
It may be necessary to get help from a friend to hold the device stable while removing the screen.
Using two hands, pull back the tabs holding the screen in place.
Use a spudger to help use leverage to remove the screen, if necessary
Raise the switch locking the ribbon cable in place.
Using twesers, pull the ribbon cable from the socket.
With the ribbon cable removed, the screen is completely disconnected from the device.
To replace the ribbon cable, press the two tabs to push the head into the socket.
Now that the screen has been removed from the motherboard, the motherboard is not connected to anything on the device. Slide the ribbon cable through the opening in the circuit board in order to separate the two.