Phone · Motorola · Moto Edge 50 Fusion 5G
Motorola Moto Edge 50 Fusion 5G Logic Board Repair
Logic Board Repair guide for the Motorola Moto Edge 50 Fusion 5G
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening pick
- Spudger
- Heat gun or heating pad
- Precision tweezers
- Soldering iron
- Magnifying lamp
Parts / materials
- Desoldering braid
- Rosin soldering flux
- 99% Isopropyl alcohol
- Rear cover replacement adhesive strips
Safety
- Wear an anti-static wrist strap to prevent ESD damage to sensitive motherboard ICs.
- Operate soldering equipment in a well-ventilated space to avoid inhaling flux fumes.
- Disconnect the battery immediately after removing the rear bracket to prevent electrical shorts.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the Power button, then select Power Off on the screen. Ensure the device is completely powered down before starting.
- 2
Heat the rear panel
3 minApply a heating pad or heat gun set to 80°C to the back panel for 3 minutes to soften the edge adhesive.
- 3
Slice the back cover adhesive
5 minInsert a thin plastic opening pick between the curved back panel and the frame. Gently slide the pick around all four edges to slice through the adhesive seal.
- 4
Lift away the rear cover
2 minPry the rear panel upward starting from the lower corner and set it aside in a dust-free area.
- 5
Unscrew the upper motherboard bracket
3 minUse a Phillips #00 screwdriver to remove the screws securing the upper motherboard shield cover.
- 6
Remove the upper bracket
2 minInsert a spudger under the edge of the plastic bracket and gently pop it off the frame.
- 7
Disconnect the battery flex cable
1 minPry the battery press connector straight up from its motherboard socket using a plastic spudger to cut power.
- 8
Disconnect interconnect flex cables
3 minDisconnect the display cable, main sub-board ribbon, and digitizer connectors from the mainboard using a plastic tool.
- 9
Disconnect antenna coaxial cables
2 minUse precision tweezers to unsnap the white and black antenna cable heads from the logic board.
- 10
Remove the front-facing camera
2 minDisconnect the selfie camera flex cable and lift the camera module out of its housing notch.
- 11
Extract the logic board
3 minRemove any remaining logic board retaining screws, then gently pry the board up and out of the phone chassis.
- 12
Inspect damaged components
5 minPlace the logic board under a magnifying lamp to locate corroded joints or shorted surface-mount components.
- 13
Desolder faulty components
10 minApply rosin flux and use a fine-tip soldering iron with desoldering braid to clear bridge shorts or faulty micro-joints.
- 14
Reinstall the logic board
3 minPosition the repaired logic board back into the upper chassis cavity and press gently until it clicks into place.
After your Motorola Moto Edge 50 Fusion 5G logic board repair
Power the Moto Edge 50 Fusion 5G 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 Edge 50 Fusion 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Motorola Moto Edge 50 Fusion 5G logic board repair at LML Repair in Seattle — same-day options available.
