Phone · Motorola · Moto E 2014
Motorola Moto E 2014 Logic Board Repair
Logic Board Repair guide for the Motorola Moto E 2014
Before you begin
Tools
- T3 Torx screwdriver
- Plastic spudger
- Plastic opening picks
- Precision tweezers
- Magnifying glass
- Soldering iron
- ESD anti-static wrist strap
Parts / materials
- Rosin-core flux
- High-purity isopropyl alcohol (90%+)
- Desoldering braid
- Soft bristle brush
Safety
- Wear safety glasses while soldering to protect against flux splatter.
- Perform soldering in a well-ventilated area to avoid inhaling harmful fumes.
- Wear an anti-static wrist strap to protect electrostatic-sensitive board components.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the power button until the options menu appears, then tap Power Off to safely shut down the phone.
- 2
Remove the Back Shell
2 minInsert a plastic opening tool into the bottom corner notch to unclip and remove the plastic rear shell.
- 3
Eject Cards and Trays
1 minRemove any MicroSD card and SIM cards installed in the side slots.
- 4
Unscrew Inner Rear Housing
5 minUse a T3 Torx screwdriver to remove the 14 visible screws securing the plastic midframe assembly.
- 5
Detach Inner Rear Frame
3 minSlide an opening pick around the edge of the phone to pop the inner midframe clips free from the display frame.
- 6
Disconnect Battery Cable
2 minUse a plastic spudger to pry the battery terminal connector straight up from its socket on the logic board.
- 7
Disconnect Display and Digitizer Cables
3 minUse tweezers or a spudger to pop open the ZIF connector latches and disconnect the screen cables.
- 8
Remove Rear Camera Module
2 minUnclip the rear camera flex cable connector and lift the camera module out of its recess.
- 9
Pry Up Logic Board
3 minGently lift the logic board from its bottom edge to free it from the front housing assembly.
- 10
Inspect Component Damage
5 minExamine the motherboard under a magnifying glass to locate cold solder joints, corrosion, or burnt SMD parts.
- 11
Solder Damaged Logic Board Components
12 minApply liquid flux and use a fine-point soldering iron or hot air station to reflow loose joints or bridge broken traces.
- 12
Clean Board with Isopropyl Alcohol
4 minScrub leftover flux residue and oxide deposits off the board using high-purity isopropyl alcohol and a soft brush.
- 13
Reinstall Motherboard into Frame
3 minAlign the logic board with the front chassis and press it gently back into place.
- 14
Reconnect All Ribbon Cables
3 minAttach the display, digitizer, and camera ribbon cables securely to their respective sockets on the board.
- 15
Connect Battery Terminal
2 minPress the battery connector firmly onto the logic board header until it clicks into place.
- 16
Secure Inner Frame and Shell
5 minSnap the midframe onto the front housing, tighten the 14 T3 screws, and press the outer shell back on.
After your Motorola Moto E 2014 logic board repair
Power the Moto E 2014 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 2014 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 2014 repair context in the encyclopedia, or open related DIY guides.
