Service Manual Chapter3. User Handling Unit
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Disassembling the Function Key
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Disassembling the Function Key
1. Insert the key and turn it clockwise.
2. Pull the front panel outward and turn off the power.
3. Unscrew two fixing screws located on front panel’s each side and pull the front panel
completely for easy maintenance.
4. Remove 2 screws and separate the board cover.
5. Remove 6 screws marked in the below picture and separate LCD assembly.
6. Remove 3 screws from each function key and disassemble them.