Phone · Motorola · Moto G9 Play
Motorola Moto G9 Play Logic Board Repair
Logic Board Repair guide for the Motorola Moto G9 Play
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening pick
- Spudger
- Tweezers
- Heat gun or iOpener
- Soldering iron
Parts / materials
- Isopropyl alcohol (99%)
- Solder flux
- Desoldering braid
Safety
- Wear eye protection when performing soldering repairs.
- Disconnect the battery immediately after exposing the motherboard to prevent short circuits.
- Operate in a well-ventilated space to avoid inhaling toxic flux fumes.
Overview
Step-by-step
- 1
Power off and remove SIM tray
1 minTurn off the Moto G9 Play completely. Insert a SIM eject tool into the tray hole on the left edge to remove the SIM card tray.
- 2
Heat the rear cover
2 minApply a heat gun or heated iOpener around the edges of the back cover for two minutes to soften the adhesive underneath.
- 3
Unclip the rear cover
3 minInsert an opening pick into the seam between the back cover and the frame, sliding along the perimeter to unclip the plastic retaining tabs.
- 4
Disconnect the fingerprint sensor
2 minSlightly hinge open the back cover, then use tweezers to detach the fingerprint reader connector from the motherboard bracket.
- 5
Unscrew the motherboard bracket
3 minUse a Phillips #00 screwdriver to remove the eleven screws holding down the plastic motherboard cover.
- 6
Remove the motherboard bracket
1 minInsert a spudger under the edge of the plastic bracket and lift it off the chassis.
- 7
Disconnect the battery cable
1 minPry up the battery press connector using a plastic spudger to cut all power to the logic board.
- 8
Disconnect interconnect and display cables
2 minUnplug the display flex cable, main interconnect cable, and the coax antenna cable from the logic board.
- 9
Remove the camera modules
2 minDisconnect the front and rear camera flex connectors, then lift the camera modules out of their recessed housings.
- 10
Extract the logic board
2 minGently lever the top edge of the logic board upward with a spudger and lift it out of the phone body.
- 11
Clean and reflow target components
10 minClean the target area with 99% isopropyl alcohol, apply flux, and carefully reflow or resolder the affected logic board trace.
- 12
Reinstall the logic board
2 minLower the repaired logic board back into the frame, aligning the ports with the top edge of the housing.
- 13
Reconnect internal components
3 minReattach the camera modules, display flex, interconnect cable, antenna cable, and finally the battery connector.
- 14
Reattach the cover and test
4 minSnap the fingerprint sensor flex back into place, screw down the motherboard bracket, and press the rear cover firmly into position.
After your Motorola Moto G9 Play logic board repair
Power the Moto G9 Play 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 G9 Play 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 G9 Play repair context in the encyclopedia, or open related DIY guides.
