Casio W-800h Mod //free\\ -

: Use your soldering iron to heat the blob and wick it away. Alternatively, some modders carefully scrape the bridge away with a sharp hobby knife, though this carries a higher risk of damaging the board.

: On the right side of the board (near the buttons), you will see a column of solder pads. Look for a closed solder jumper (a small blob of solder connecting two pads). casio w-800h mod

: Check the tiny "spring" on the PCB. It must make contact with the piezo speaker on the inside of the metal backplate. YouTube : Use your soldering iron to heat the blob and wick it away