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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Sun May 06, 2012 12:30 pm Post subject: 9500LC vertical/diagonal thin vague blue lines |
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....indeed...
Visible in black levels and appearing after let's say 15...20min and disappear after 45min (or a slight knock on the rear panels but than they might re-appear after some time)
So...I took out the boards including the moome HDMI and cleaned all the connectors including the 3 internal RGB cable/connectors that are stuck on the board...
Guess what...didn't help
After about an hour of operation the problem is not there anymore...so I expect it to be thermal ..
Does anyone have a clue where to start solving this?
Regards,
Arno
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Sun May 06, 2012 2:54 pm Post subject: |
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Hello
Swap the red and blue mini cables coming off the top of the VIM. If blue persists it could be a neckboard issue.
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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Sun May 06, 2012 2:56 pm Post subject: |
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| Tim in Phoenix wrote: | Hello
Swap the red and blue mini cables coming off the top of the VIM. If blue persists it could be a neckboard issue.
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 I will try that thx
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Sun May 06, 2012 4:21 pm Post subject: |
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make sure the 2 big black wires that go the neck-board are making a good connection. Clean with de-oxit and make sure they are tight, not loose and wiggling. There carry a lot of static from the tube bell and will cause the noise your describing. Also bend the 2 tabs back towards you with needle noise pliers. This a VDC tech bulletin to reduce noise from the wires. Make sure the card is well supported so you don't stress the tube pins or take card off tube
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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Sun May 06, 2012 4:28 pm Post subject: |
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After all these years...still the usual excellent support from forum members...Thanks guys!
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Arno P
Joined: 01 Jan 2007
Posts: 282
Location: The Netherlands
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| Posted: Sat Jun 16, 2012 7:44 am Post subject: |
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Hi there...
Sorry it took some time to try the suggestions...was too busy with work and broke an arm as well in the meantime 
Anyhow,
I swapped the Red and Blue RCA connector cable on the board, watched a movie...and yep...problem was still present in Blue
SO, must be th neck board. Took it out re-tightned and cleaned all the connectors...watched a film yesterday an NO PROBLEMO anymore!
Thanks a lot!
Arno
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