Agilent Technologies 1670G Series Service Manual page 178

Replacing Assemblies
To remove and replace the LCD display and Inverter board
To remove and replace the LCD display and Inverter board
Using previous procedures, remove the following assemblies:
1
•
Handle
•
Rear Feet
•
Cover
•
Disk Drive Assembly
•
Acquisition Board
•
CPU Board
•
Rear Panel
•
Power Supply
Hazardous voltages exist on the LCD Inverter. To avoid electrical shock, disconnect power
W A R N I N G
from the instrument before performing the following procedure. After disconnecting the
power, wait at least three minutes for the capacitors in the power supply to discharge before
servicing the instrument.
Remove the LCD display
2
a. Disconnect the LCD data cable from the connector on back of the LCD display.
Removing/replacing the LCD data cable at the CPU board
b On the LCD display, disconnect the two cables from the LCD Inverter.
c Remove the two screws from the side of the LCD display. As you face the back of the
LCD display, the screws are on the right side.
d Slide the LCD display slightly to the right and remove it.
When connecting the LCD data cable to the LCD display, ensure the blue side of the cable
faces toward the LCD display.
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