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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sat Nov 29, 2014 3:02 am Post subject: Random no blue on marquee |
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Guys I have noticed over the past few months that my marquee has been having a random no blue tube(tube face would be really dim and seem blurred and is barely visible when looking into the lens)
I removed the top to see if the tube heaters was the culprit but they aren't
The amount of time it does this will vary but the longest lasted long enough that I was able to load a game(gran tursimo on ps3) and the blue tube was dark from the time I powered up everything to the time the start screen showed on the game
I haven't had time to check anything other then making sure it was the tube heaters bad(been crazy busy due to the holiday sales)
Any ideas as to what is the issue??
It also does it with the test grids
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crt king of black
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gjaky
Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary
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| Posted: Sat Nov 29, 2014 9:01 am Post subject: |
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Swap the blue neckboard with an other, and see if the problem follows the neckboard.
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projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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dvh99
Joined: 25 Dec 2009
Posts: 2158
Location: nederland
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| Posted: Sat Nov 29, 2014 1:22 pm Post subject: |
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if that doesn`t help swap the little video cables on the vim.
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1 answer always poses multiple questions.
marquee 9500ultra HD10L moome hdmi1.3 v3+ some mods.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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gjaky
Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary
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| Posted: Sat Nov 29, 2014 2:38 pm Post subject: |
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| Nashou66 wrote: | I bet its a weak connection for the Blue G2. see how tight it fits on the G2 pin. If it is loose carefully and gently use some pliers to crimp the G2 connector a bit so it fits tightly on the tubes G2 pin. Also clean the contact with de oxit while your in there.
Athanasios |
Isn't the missing G2 causes super bright screen? 
_________________
projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Sat Nov 29, 2014 4:25 pm Post subject: |
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No, an open pin on the G2 causes excessive brightness and spot burn. Losing the G2 voltage without an open circuit or the video signal causes a black screen.
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sat Nov 29, 2014 6:47 pm Post subject: |
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Ok thanks guys I will try everything suggest out later today and it's if the issue returns or not
What's so weird is the fact it's so random as to when it does it
One time it done it and I cycled the power and it worked fine
I made sure when I installed the nine inch tubes that everything was snug and tight and it was working fine for months(almost a year) before it started this
I am glad it hasn't spot burned the tube though
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crt king of black
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sat Nov 29, 2014 10:13 pm Post subject: |
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Here is a pic of the tube when it acts up
Let me know if the pic doesn't work
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crt king of black
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sat Nov 29, 2014 10:15 pm Post subject: |
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Its weird as it will be working normal one second and like in the pic I uploaded above the next
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crt king of black
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Sat Nov 29, 2014 10:42 pm Post subject: |
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| Nashou66 wrote: | Ok on the VIM swap the green and blue mini orcas to see if the issue goes to the Green.
nashou |
WTF is an "orca"?
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Nashou66
Joined: 12 Jan 2007
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sat Nov 29, 2014 11:18 pm Post subject: |
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| Nashou66 wrote: | Ok on the VIM swap the green and blue mini rca's to see if the issue goes to the Green.
nashou |
Ok I will in a bit
I checked the connections on the neck board and everything was snug
I will update later
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crt king of black
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sun Nov 30, 2014 2:00 am Post subject: |
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Update I swap the connections and am waiting for it to act up again to see if it acts up on the green tube
Not sure when it will as it would do it then it would vary as to when it did it again
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crt king of black
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dvh99
Joined: 25 Dec 2009
Posts: 2158
Location: nederland
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| Posted: Sun Nov 30, 2014 1:31 pm Post subject: |
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| Tim in Phoenix wrote: | | Nashou66 wrote: | Ok on the VIM swap the green and blue mini orcas to see if the issue goes to the Green.
nashou |
WTF is an "orca"? |
beautiful creature actually
https://sites.google.com/site/biologybfinalproject/animalia/orcinus-orca
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1 answer always poses multiple questions.
marquee 9500ultra HD10L moome hdmi1.3 v3+ some mods.
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sun Nov 30, 2014 9:20 pm Post subject: |
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Well I had to going for almost four hours with no problem
Any ideas as to why it was acting up in the first place?
Going to use some more later tonight and see if it acts up again
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crt king of black
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Sun Nov 30, 2014 9:21 pm Post subject: |
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Agreed
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crt king of black
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Mon Dec 01, 2014 1:17 am Post subject: |
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Well the blue tube blinked off one time so far
I don't know why but I have feeling it's the neck board 
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crt king of black
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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the big E
Joined: 20 Apr 2013
Posts: 1928
Location: speedwell Tn.
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| Posted: Mon Dec 01, 2014 1:45 am Post subject: |
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| Nashou66 wrote: | | the big E wrote: | Well the blue tube blinked off one time so far
I don't know why but I have feeling it's the neck board |
Swap it to the red and see if the red does it too.
Nashou |
The neck board or the cable connection on the vim?
Ps sorry of I am sounding clueless but I have been so busy with holiday sales it's crazy
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crt king of black
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