Take our reciver

Open battery cover and remove AA battery

Remove four screws from bottom part

Keep in mind: left lower screw have different long.

Separate top and bottom.

Remove battery cover from hole

Disconnect connector

Screw up four screws.

Desolder Red ground Pin. Hot shoe now can be removed

Remove Lock pin with spring. Don't miss them.

Remove four crews from bottom. Remove Shoe and remove metal shield.

Remove screws with springs

Now you disassemble hot shoe.

Next remove pins.

Desolid four pins

Remove PCB.

Remove PCB

Remove pins from case