Sony VPL 400QA Repair ? - AVS Forum
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post #1 of 5 Old 12-14-2010, 07:05 AM - Thread Starter
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Can anyone help me find a technician who can remove a nagging horizontal line that runs up my screen? It starts at the bottom, goes to the top, and continues over and over. It looks to be a blue/green line, maybe 1 pixel wide.

Or give me some tips on how I might tweak this thing to get rid of it.

Thank you,

Ed Marshall
Copley, OH

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Copley, OH
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post #2 of 5 Old 12-14-2010, 08:40 AM
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Wrong forum, but it sounds like you have a ground loop. You need a ground isolator for your cable/satellite system most likely, you can find those on ebay for cheap.

www.curtpalme.com - CRT tech info

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post #3 of 5 Old 12-15-2010, 03:22 PM
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Wow, I'm pretty amazed there are 400's out there still. My first proper HT pj was a W400 back in the late '90's. Nice little unit back then.
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post #4 of 5 Old 12-15-2010, 05:16 PM
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Mine is still up on the Ceiling in my theater, 20 feet back while my 2 Marquee 8500's are about 7 feet from the same size screen.

I dont even know if it still works .

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post #5 of 5 Old 12-26-2010, 02:01 PM - Thread Starter
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What's the proper forum for this post? I haven't been on this forum in almost 8 years1

thanks again, I'll check out the grounding you mentioned.

ed marshall
akron, oh

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