Display Troubleshooting (A2, A18, A19, A27) - Agilent Technologies 8753ES Option 011 Service Manual

Display Troubleshooting (A2, A18, A19, A27)

This section contains the following information:
• Evaluating Your Display, on page 6-7
• Troubleshooting a White Display, on page 6-10
• Troubleshooting a Black Display, on page 6-10
• Troubleshooting a Display with Color Problems, on page 6-11
Evaluating Your Display
Switch the analyzer off, and then on. The display should be bright with the annotation
legible and intelligible. There are four criteria against which your display is measured:
• Background Lamp Intensity
• Green, Red or Blue Stuck Pixels
• Dark Stuck Pixels
• Newtons Rings
Evaluate the display as follows:
• If either the A18 LCD, A19 GSP, A9 CPU or A27 backlight inverter assemblies are
replaced, perform a visual inspection of the display.
• If it appears that there is a problem with the display, refer to the troubleshooting
information that follows.
• If the new display appears dim or doesn't light, see
Backlight Intensity Check
Required Equipment and Tools
Description
Photometer
Probe
Light Occluder
Antistatic Wrist Strap Cord
Antistatic Wrist Strap
Static-control Table Mat and Ground Wire
Analyzer warm-up time: 30 minutes.
Photometer warm-up time: 30 minutes.
Chapter 6
Display Troubleshooting (A2, A18, A19, A27)
"Backlight Intensity Check,"
HP/Agilent Part or Model Number
Tektronix J16
Tektronix J6503
Tektronix 016-0305-00
9300-0980
9300-1367
9300-0797
Digital Control Troubleshooting
next.
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