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Posted - 05 Feb 2004 :  09:15:18  Show Profile  Email Poster

We are using the LG Philips display with the ADS GCP.

Occasionally (2x per minute or so), the display flickers. The whole display shifts right by 0.1" or so, then shifts back immediately (~1/4 second?).

We are thinking shielding or display timing. Please give us some of your ideas.




1519 Posts

Posted - 05 Feb 2004 :  09:19:32  Show Profile  Email Poster
There are a number of reasons for screen flicker. Here are a couple troubleshooting suggestions:
  • It may be that system activity is memory-starving the display controller; see topic 88 for details about correcting that issue.

  • You might also have a cable problem, especially on the HSYNC or VSYNC lines; try wiggling the cable to see if you can reproduce the problem, or re-seat the cable to make sure it's making good electrical contact.
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5 Posts

Posted - 05 Feb 2004 :  10:12:15  Show Profile  Email Poster
The flicker issue happens with neither ethernet or CF cards installed. No applications are running. We have tested the same issue with five different units. The cables seem to fit well and wiggling the cable doesn't exacerbate the problem.

In summary:

1.) No apps are running - does this rule out the starved memory question?

2.) It happens in multiple units (in multiple environments).

3.) Moving the cable does not affect the issue.
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