LG SHD3689BD Service Manual page 33

COmPONENT REPLACEmENT
DC7700BL / DC9700BL WIFI INTERFACE PCB REmOVAL
Step 1. Remove the mesh filters.
Step 2. Take out the WiFi cover by loosening two screws
Step 3. Remove the wires on the WiFi interface PCB.
Step 4. Follow the below arrow direction to take out the WiFi interface PCB.
* Follow these steps in reverse to reassemble the part.
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