Welch Allyn Medical Diagnostic Equipment Crib Toy LXi Manuale Utente

Disassembly and Repair

Welch Allyn Spot Vital Signs LXi

SpO

2

 Circuit Board Disassembly

Masimo

1.

Lay the LCD flat on an ESD mat.

2.

Find the double-stack of circuit boards and remove the four corners screws. Carefully 
lift the circuit board straight up.

3.

Remove the three screws on the circuit board located behind the LCD.

To assure proper SpO

2

 operation, replace the SpO

2

 board using only the Welch 

Allyn specified part.

To assure patient electrical isolation, after the main board is nearly back in 
position, verity that the SpO

2

 flex cable is freely floating in space and is not 

pressed up against the main board.