Service manual

The Keyboard Assembly
5-4
5The Keyboard Assembly
This section explains how to remove and replace the keyboard assembly. The keyboard
procedures apply to all models. The keyboard display procedures only apply to
PageWriter 200/200i/300pi.
Note that replacement part numbers for keyboard assembly components vary with the unit
serial number. Refer to the Part List section of this manual to verify replacement part
numbers.
Removing the Keyboard
The keyboard assembly consists of the keyboard overlay, the keyboard assembly, the
flexible circuit, and the keyboard display.
Removing the Keyboard Assembly
Use an electrostatic wrist band or other approved method for protection against
electrostatic discharge when handling the keyboard assembly.
To remove the keyboard assembly:
1. Perform the procedure Removing the Battery.
2. Turn the cardiograph top-side up.
3. Carefully insert a flat-bladed screwdriver into the notches at the front edge of the key-
board overlay and pry the front edge of the keyboard overlay up. Refer to Figure 5-2.
4. Repeat with the rear notches of the keyboard overlay and remove the overlay.
CAUTION