Phone · Motorola · Moto E 2020
Motorola Moto E 2020 Logic Board Repair
Logic Board Repair guide for the Motorola Moto E 2020
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic spudger
- SIM card eject tool
- Precision tweezers
- Plastic opening picks
- Soldering iron
- Anti-static wrist strap
- Magnifying glass or headlamp
Parts / materials
- Isopropyl alcohol (99%)
- Rosin flux
- Desoldering braid
- Lint-free cotton swabs
Safety
- Wear an anti-static wrist strap to avoid ESD damage to sensitive electronic components.
- Work in a well-ventilated area when using soldering tools and flux.
- Wear eye protection when soldering or handling small metal wire clippings.
Overview
Step-by-step
- 1
Power down and eject SIM tray
2 minTurn off the phone completely to prevent electrical damage. Insert a SIM eject tool into the hole next to the SIM tray on the left side and press firmly to pop it out.
- 2
Unclip the rear plastic cover
5 minInsert a plastic opening pick between the screen frame and rear panel. Slide the pick around the perimeter to pop open all plastic clips.
- 3
Disconnect the fingerprint sensor flex
2 minSlightly open the rear cover without pulling hard on the internal ribbon cable. Use a plastic spudger to disconnect the fingerprint reader press connector from the board.
- 4
Remove top bracket screws
3 minUse a Phillips #00 screwdriver to remove all securing screws from the plastic upper motherboard cover.
- 5
Pry off the top protective bracket
2 minInsert a spudger under the edge of the plastic bracket and gently pry it up to remove it from the device.
- 6
Disconnect the battery cable
1 minUse the flat end of a spudger to pry the battery connector straight up from its socket to cut power.
- 7
Disconnect the display flex cable
1 minPry up the press connector for the display flex cable located on the middle section of the logic board.
- 8
Disconnect the sub-board ribbon cable
1 minUnplug the interconnect flex cable that links the main logic board to the bottom daughterboard.
- 9
Unplug the antenna coaxial cable
2 minUse precision tweezers to pry the antenna cable head straight up from its gold metal socket on the board.
- 10
Remove the front-facing camera
2 minDisconnect the front camera flex connector and lift the camera module out of its frame recess.
- 11
Unscrew logic board fasteners
2 minRemove the single Phillips #00 screw securing the logic board down to the phone frame.
- 12
Lift the logic board out
3 minGently lift the top edge of the logic board and pull it away from the chassis.
- 13
Clean contacts with isopropyl alcohol
5 minApply 99% isopropyl alcohol to a soft brush and scrub away any corrosion or residue on board contacts.
- 14
Resolder damaged board components
15 minApply flux to cracked solder joints or failed components and carefully reflow them using a fine-tip soldering iron.
- 15
Reinstall the logic board
3 minAlign the repaired logic board with the frame cutouts and press it down flush into the housing.
- 16
Reconnect flex cables and top bracket
5 minReconnect all internal ribbons, snap the antenna back into place, screw down the top cover, and reattach the rear panel.
After your Motorola Moto E 2020 logic board repair
Power the Moto E 2020 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 E 2020 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 E 2020 repair context in the encyclopedia, or open related DIY guides.
