Phone · LG · V30s ThinQ
LG V30s ThinQ Logic Board Repair
Logic Board Repair guide for the LG V30s ThinQ
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Suction cup
- Opening picks
- Plastic spudger
- ESD-safe tweezers
- SIM card eject tool
Parts / materials
- Isopropyl alcohol (99%)
- Pre-cut rear glass replacement adhesive
- Thermal pad or paste
Safety
- Wear safety glasses to protect against potential glass splintering during panel removal.
- Disconnect the battery immediately after opening the device to prevent electrical short circuits.
- Work on an ESD-safe surface and use an anti-static wrist strap to avoid electrostatic discharge damage.
Overview
Step-by-step
- 1
Remove the SIM card tray
1 minInsert a SIM eject tool into the hole at the side of the phone and press to release the tray. Remove the SIM and microSD card tray entirely.
- 2
Heat the rear glass
3 minUse a heat gun or heated iOpener around the edges of the back cover for two minutes to soften the internal adhesive.
- 3
Slice the rear adhesive
5 minAttach a suction cup near the bottom edge, pull upwards to create a gap, and insert an opening pick. Carefully slide the pick around the perimeter to cut the glue.
- 4
Remove the rear glass panel
2 minLift the rear glass cover off the frame and set it aside safely on a soft surface.
- 5
Unscrew the top midframe
3 minRemove the ten Phillips #00 screws securing the wireless charging module and top protective midframe.
- 6
Remove the upper midframe
2 minInsert a plastic spudger beneath the edge of the wireless charging assembly and pry up to lift it out of the chassis.
- 7
Unscrew the loudspeaker module
2 minRemove the five Phillips #00 screws securing the bottom loudspeaker housing.
- 8
Remove the loudspeaker module
2 minUse a spudger to pop the loudspeaker module free from the bottom of the device.
- 9
Disconnect the battery cable
1 minPry the battery press connector straight up from the motherboard using the flat end of a plastic spudger.
- 10
Disconnect the display cable
2 minLever the main display flex cable connector straight up off the lower right portion of the logic board.
- 11
Disconnect the camera modules
2 minDisconnect both the front-facing camera and the rear dual-camera module ribbon cables from the top of the logic board.
- 12
Disconnect remaining interconnect flex cables
2 minDisconnect the headphone jack, proximity sensor, and lower sub-board ribbon cables from their motherboard headers.
- 13
Unscrew the logic board
1 minRemove the single Phillips #00 screw holding the logic board down to the phone frame near the top edge.
- 14
Lift out the logic board
3 minGently pry up the bottom edge of the logic board and lift it out from the chassis, making sure no cables catch on the board.
- 15
Install the replacement logic board
4 minLower the new logic board into the frame top-first, ensuring all press-fit flex cables remain accessible on top of the board.
After your LG V30s ThinQ logic board repair
Power the V30s ThinQ 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 V30s ThinQ 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 V30s ThinQ repair context in the encyclopedia, or open related DIY guides.
