7 Repair Procedures
1006-0836-000 02/03
7-9
7.2.5 Front enclosure
components
The front enclosure components include:
•
The keyboard assembly (
A
)
•
The LCD display assembly (
B
)
•
The rotary encoder switch (
C
)
To replace the keyboard
The LCD display and the rotary encoder are mounted to the keyboard
assembly. To replace the keyboard assembly you must transfer the LCD display
and the rotary encoder to the new keyboard assembly.
To replace the rotary encoder
1. Pull the knob (
D
) off the shaft of the encoder.
2. Remove the nut and washer that hold the encoder to the keyboard.
3. Replace the encoder switch in reverse order. Note the orientation of the
attached ribbon cable.
To replace the LCD display
1. Use a 5.5-mm nut driver to remove the four nuts (
E
) at each corner of the
display.
2. Remove the display assembly from the keyboard.
3. If required, clean the keyboard window (if new, remove protective film).
4. Remove protective mask from new LCD display.
5. Transfer the spacers over the display mounting studs.
6. Mount the display to the keyboard studs.
7. Transfer the display ribbon cable (
contacts facing up
) to the new display
(
ZIF
connector; pull tabs toward cable to release).
B
E
AB.43.075
C
D
A
ZIF
Summary of Contents for 7100
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