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Chapter 5: Troubleshooting
Troubleshooting the Agilent 1680A,AD-series
Connect an external
800x600 PC monito to
the instrument.
Does the external
monitor light up?
Possible problem with
LCD display, inverter,
or cables.
Possible problem with
motherboard or PCI
video board.
No
Is the external
monitor readable?
No
Yes
Yes
Are all cables
connected and
seated?
Reconnect or reseat
all video cabling.
Replace the LCD
display and inverter.
Replace PCI video
board with known
good board.
Ensure PCI video board
is seated in the
motherboard connector.
Is the PCI video
board seated in the
motherboard?
Reconnect an external
800x600 PC monitor to
the instrument.
Is the external
monitor readable?
Replace defective
PCI video board.
Replace motherboard.
Reseat the PCI
video board in the
motherboard connector.
No
Yes
No
Yes
No
Yes
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