ZS3 Service Manual Page 248 of 295
QWERTY Keyboard Removal/Replacement: (if changed separately)
1. Ensure the User Interface is removed per previous steps of User Interface
Removal Procedure above.
2. Set the user interface (keys facing down) on a surface that will not damage the
surface of the User Interface.
3. Disconnect the 2 flat cables and PCBA connection cable from the QWERTY
Keyboard, unscrew the 2 screws, remove the backplane and back light, and
then remove the QWERTY Keyboard.
Figure 19.39-ZS3
4. Reinstall in the QWERTY in reverse order.
5. Reinstall the User Interface Assy in reverse order of the removal steps listed
above and proceed to System Verification.
System Verification:
1. Reconnect the main AC power cord from the rear of the system or plug into the
wall source.
2. Place AC circuit breaker, located at the rear of the system, in the ā1ā (ON)
position.