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Maintenance
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16.2. Replacing the integrated keyboard
If necessary, the integrated keyboard of the DLT-V7210 K and DLT-V7210 KD can be
removed and replaced by a new keyboard (only by skilled personnel).
WARNING
Hazardous voltage, electric shock from contact with live parts.
To prevent an electric shock:
1. Switch off the device before replacing the integrated keyboard.
2. Disconnect the device from the power supply.
3. Disconnect connected accessories.
16.2.1. Remove the integrated keyboard
NOTICE
Prevent system malfunction and property damage
Preventing damage to the device:
1. Observe the applicable ESD and accident prevention
regulations.
2. The work may only be performed in an ESD-protected, clean
environment.
3. ESD protective mats must be installed on the floor and on the
worktable.
4. The installer must also wear ESD shoes and clothing.
Procedure:
1. Use a TX10 screwdriver to loosen the 5 mounting screws.
2. Carefully remove the keyboard grid; it will be used again later.
3. Carefully remove the silicon keyboard mat.
4. Make sure you do not damage the circuit board or components on the
circuit board.
Fig. 16.1: Integrated keyboard: Unscrew the mounting screws