Agilent 7820 GC Service
209
Replacing Components Inside the Electronics Panel
Accessing the analog and power board
To access the analog and power board in the rear of the
electronics carrier, you must first remove:
ï‚· The ALS controller board
ï‚· The valve bracket (not shown below)
ï‚· The logic board
Replacing the ALS board
1 Cool down the oven.
Turn off the GC main power switch and disconnect its power
cord.
Hazardous voltages are present in the
mainframe when the GC power cord is connected.
Avoid a potentially dangerous shock hazard by
disconnecting the power cord before removing
any GC panels.