Lcd Inverter Ballast Board Disassembly; Lcd Disassembly - Welch Allyn Spot Vital Signs LXi Service Manual

Service Manual

LCD Inverter Ballast Board Disassembly

This is a small board held in place with two-sided tape. It is located towards the bottom of
the main board. Remove the connector at each end and pull straight up while taking care
not to damage the board because the adhesive tape has considerable sticking strength.

LCD Disassembly

1. Remove the main board. At the bottom of this board is a circuit board with a pink
connector at the bottom.
2. Pull the brown tabs of the top connector forward and remove the ribbon cable.
Inspect connector tabs for wear and replace if worn.
3. Turn the board over and pull back the soft rubber holders. Pull the cable from the lug
to remove the grounding strap and remove the LCD.
4. Replace with a new LCD.
Disassembly and Repair 55