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Sharp QA-1800 VGA sync issue...
Sharp QA-1800 VGA sync issue...
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Old 18th December 2015, 06:48 AM   #1
maw0001 is offline maw0001
diyAudio Member
Join Date: Dec 2015
Default Sharp QA-1800 VGA sync issue...

A few years back, a friend gave me a Sharp QA-1800 LCD projection panel with case, remote, and cables. No manual.

A customer of mine recently gave me an old overhead projector they weren't using anymore so I dusted off the QA-1800 to try it out.

My question is this: I couldn't get the QA-1800 to display any image on the VGA input. The composite and s-video inputs work fine.

I hooked up a test pattern generator and the only way I could get an image on the QA-1800 was to set the sync format to sync-on-green.

None of my sources, laptop, PC, iPhone VGA adapter, etc. will seem to do the sync-on-green.

Has anybody here had this issue? I didn't see any way in the menu options to change the sync format. Maybe someone with a manual could chime in?

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