Phone · Motorola · Moto E5 Supra
Motorola Moto E5 Supra Logic Board Repair
Logic Board Repair guide for the Motorola Moto E5 Supra
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening tools
- Plastic spudger
- Precision tweezers
- SIM eject tool
- Soldering iron
- Anti-static wrist strap
Parts / materials
- Flux
- Desoldering braid
- 99% Isopropyl alcohol
- Lead-free solder
Safety
- Wear an anti-static wrist strap to prevent electrostatic discharge damage to delicate logic board components.
- Ensure the battery is fully disconnected before performing any soldering or board inspection.
- Operate soldering equipment in a well-ventilated area to avoid inhaling solder fumes.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then select Power Off on the screen to completely shut down the device.
- 2
Eject the SIM card tray
1 minInsert a SIM eject tool into the hole beside the SIM tray and push gently to pop it out. Remove the tray from the device.
- 3
Unclip the back panel
4 minInsert a plastic opening pick into the seam between the screen frame and back cover. Slide it around the edges to release the plastic clips.
- 4
Disconnect the fingerprint reader
2 minSlightly tilt open the back panel to access the fingerprint sensor flex cable. Use a spudger to pop the connector off the logic board.
- 5
Unscrew the upper motherboard cover
3 minUse a Phillips #00 screwdriver to remove the screws securing the top plastic protective cover.
- 6
Remove the motherboard cover
2 minGently wedge a plastic spudger under the cover edge and lift it off the frame.
- 7
Disconnect the battery cable
1 minPry the battery connector straight up from its socket to disconnect power from the board.
- 8
Disconnect the display flex cable
2 minUse a plastic spudger to detach the main display connector from the logic board.
- 9
Disconnect the lower interconnect cable
2 minUnplug the ribbon cable connecting the bottom charging board to the main logic board.
- 10
Disconnect the coaxial antenna cable
2 minUse fine-tip tweezers to gently pry the antenna cable head straight off the logic board connector.
- 11
Remove the camera modules
3 minDisconnect the front and rear camera flex connectors and lift both camera modules out of their housings.
- 12
Lift out the logic board
3 minCarefully pry under the edges of the motherboard with a spudger and lift it out of the phone body.
- 13
Desolder damaged micro-components
10 minApply liquid flux to the target board pads and use a soldering iron with desoldering braid to clear old solder from damaged parts.
- 14
Solder replacement components
12 minAlign replacement micro-components on the board pads and solder them using a fine-point iron tip.
- 15
Reinstall the logic board
5 minPlace the repaired logic board back into the chassis alignment pins and reconnect all internal cables in reverse order.
After your Motorola Moto E5 Supra logic board repair
Power the Moto E5 Supra back on and test the logic board repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Motorola Moto E5 Supra job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Motorola Moto E5 Supra repair context in the encyclopedia, or open related DIY guides.
