Troubleshooting A Display With Color Problems - Agilent Technologies 8753ET Service Manual

Troubleshooting a Display with Color Problems

1. Press
ADJUST DISPLAY
Display
color problems, continue with the next step.
2. Run display service test 74 as described in
there are four intensities for each color.
• If the test passes, then continue.
• If the test fails, then suspect the front panel cabling, A2, A19, or A18.
3. Connect a VGA monitor to the analyzer.
• If the image on the external monitor has the same color problems, then replace the
A19 GSP.
• If the image on the external monitor is acceptable, then there must be a missing
color bit. Suspect the front panel cabling, A2, A19, or A18.
Chapter 6
Display Troubleshooting (A2, A18, A19, A27)
DEFAULT COLORS
"Test Patterns" on page
Digital Control Troubleshooting
. If this does not correct the
10-14. Confirm that
6-11