Electronics
6850
6850
Released: April 2004 6850 Series Gas Chromatograph Service Procedures 255
Keyboard/Display
WARNING
Shock hazard. Before beginning, turn off the
instrument and disconnect the power cord.
To remove the keyboard and display:
1. Turn off the instrument and remove the
power cord.
2. Remove the front cover and keyboard/dis-
play. See “Front cover (with keyboard and
display)” on page 1-20.
Caution
Use electrostatic discharge precautions
while replacing the main board.
3. Remove the four self-tapping screws that
secure the keyboard and display to the front
panel.
Remove