Phone · LG · V50 ThinQ 5G
LG V50 ThinQ 5G Logic Board Repair
Logic Board Repair guide for the LG V50 ThinQ 5G
Before you begin
Tools
- SIM eject tool
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Opening picks
- Precision screwdriver set (Phillips #00)
- Spudger tool
- Tweezers
Parts / materials
- Replacement back glass adhesive strips
- Isopropyl alcohol (99%)
- Thermal paste
Safety
- Wear eye protection when heating glass to protect against glass fragmentation.
- Disconnect the battery immediately after removing upper shield to prevent short circuits.
- Do not puncture or apply direct force to the lithium-ion battery.
Overview
Step-by-step
- 1
Remove SIM Card Tray
1 minInsert a SIM eject tool into the hole on the left side of the frame and remove the SIM card tray.
- 2
Heat Rear Glass
3 minApply a heat gun or hair dryer around the edges of the rear glass for 2 to 3 minutes to soften the adhesive.
- 3
Attach Suction Cup
2 minPlace a suction cup on the lower portion of the rear glass and pull upward firmly to create a small gap.
- 4
Slice Rear Adhesive
4 minInsert a plastic opening pick into the gap and slide it along all four edges to slice through the perimeter adhesive.
- 5
Remove Rear Glass
2 minCarefully lift the rear glass off the phone chassis and set it aside on a clean surface.
- 6
Unscrew Upper Shield
3 minUse a Phillips #00 screwdriver to remove the ten screws securing the upper midframe shield and wireless charging coil.
- 7
Remove Upper Shield
2 minPry up the upper plastic shield using a spudger to expose the top section of the logic board.
- 8
Unscrew Loudspeaker Module
2 minRemove the six Phillips #00 screws securing the bottom loudspeaker assembly to the frame.
- 9
Remove Loudspeaker Module
2 minUse a plastic spudger to lift and remove the bottom loudspeaker module from the phone.
- 10
Disconnect Battery Press Connector
1 minPry the battery press connector straight up from the motherboard using a plastic spudger to cut power.
- 11
Disconnect Display Flex Cable
1 minUnclip the display flex cable press connector located near the right-middle section of the logic board.
- 12
Disconnect Interconnect Flex Cables
2 minDetach the daughterboard interconnect and charging port flex cable connectors from the lower portion of the board.
- 13
Disconnect Front Cameras
2 minPry up the front-facing camera module press connectors along the top edge of the logic board.
- 14
Disconnect 5G Antenna Cables
2 minUse fine tweezers to gently unclip the micro-coaxial antenna connectors from the side of the logic board.
- 15
Remove Logic Board
3 minGently lift the logic board from its top edge and pull it free from the phone housing.
After your LG V50 ThinQ 5G logic board repair
Power the V50 ThinQ 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 LG V50 ThinQ 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more LG V50 ThinQ 5G repair context in the encyclopedia, or open related DIY guides.
