Reinstalling the display – Welch Allyn PROPAQ CS User Manual
Page 81
Service Manual
Repair procedures
77
Reinstalling the Display
When installing the Display:
•
Make sure the cable between the Digital Board and Recharger Board is installed on
the Digital Board first before placing the Digital Board on the Front Chassis.
•
Handle all Display cables with care to avoid damage.
•
Use ionized air to blow debris out of the Front Chassis before placing the assembled
boards (Digital Board, Display, and Analog Board) back into the Front Chassis.
Clean the inside of the touchscreen using Windex
®
.
The viewing surface of the Display is very delicate. Carefully clean the inside of the
touchscreen using a lenscloth lightly-dampened with alcohol only (do not use
Windex
®
). Do not allow moisture to remain on the viewing surface.
1.
Secure the Digital Board to the Display using the nine screws as shown in
on page 75. Be sure to use the short screw in the correct location as
indicated in the illustration. Torque the screws to 4 ±0.2 in-lb (0.45 ±0.02 N-m).
2.
Connect the following cables:
•
Power Cable to P5
•
Touchscreen Cable to P6
•
Display Cable to J7
•
10-pin Ribbon Cable from the Digital Board to the Recharger Board
3.
Secure the foil shield over the Display flat cable using a snap rivet.
4.
Secure the Analog Board to the Digital Board using the five screws as shown in
•
Torque the three shorter screws to 4 ±0.2 in-lb (0.45 ±0.02 N-m).
•
Torque the two longer screws passing through the shield to secure the Analog
Board to 1.0 ± 0.1 in-lb (0.1 ± 0.01 N-m).
5.
Gently ease the assembled boards back into the Front Chassis.
6.
Secure the assembled boards to the Front Chassis by fastening the seven screws
through the rubber grommets. Torque the screws to 1 ±0.10 in-lb (0.11 ±0.01 N-m).
7.
Attach the Interface Chassis to the Front Chassis, connecting the Nurse Call Cable if
present.
8.
Torque the five screws in the Interface Chassis to 8.0 ± 0.4 in-lb (0.9 ± 0.04 N-m).