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olgierd
Joined: 15 May 2008
Posts: 11
Location: Poland
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| Posted: Wed Dec 02, 2009 11:20 pm Post subject: 1209s "out of the face experience" |
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Hi ,
I have bought a non working 1209s from the military depo, it has been asleep in a warehouse for at least 10 years. Finally I've made the picture to apper  (a friend helped me). The problem was not so hard to figure out for someone who had to do with CRT PJ ---> quadruppler went down - after replacing it i got this kind of image:
any ideas what might be the cause of this "out of the face experience"?
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Barco 1208 + Barco Magic + PC , Barco 1209s
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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: Wed Dec 02, 2009 11:40 pm Post subject: |
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This is somewhat normal when the set doesn't see an input signal.
The HV works, the line you sort of see is the AKB line.
When I see this, I know the deflection, the HV and controller is working, so if you have no picture, you have video issues.
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olgierd
Joined: 15 May 2008
Posts: 11
Location: Poland
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| Posted: Thu Dec 03, 2009 12:20 am Post subject: |
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So you say this is totally normal - pictures were taken before the startup screen popped up, then it became a little darker.
I got reasons to belive that the quadrupler stopped working because the set had 100 brightness and 100 contrast adjusted - when the picture finally showed up.
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Barco 1208 + Barco Magic + PC , Barco 1209s
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Thu Dec 03, 2009 1:20 am Post subject: |
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When I saw this on my 808 I freaked out - I thought the vertical deflection had failed.
But, it's just the AKB.
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secstate
Joined: 20 Mar 2006
Posts: 720
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| Posted: Thu Dec 03, 2009 2:53 am Post subject: |
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Every Barco I have ever had and they have been many, well not compared to Curt, has done this. I started with Barco's so I always assumed it was normal. Congrats on the 1209s. I have one and love it. Very nice picture and very quiet for a CRT projection.
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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: Thu Dec 03, 2009 3:14 am Post subject: |
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The 100 contrast and brightness explains the wear on the tubes.
Someone just wanted too much out of hte set. Quadruplers don't typically go 'weak'. THey either work, or do not work.
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olgierd
Joined: 15 May 2008
Posts: 11
Location: Poland
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| Posted: Thu Dec 03, 2009 10:41 am Post subject: |
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| Mark_A_W wrote: | When I saw this on my 808 I freaked out - I thought the vertical deflection had failed.
But, it's just the AKB. |
What does AKB mens? :--),
The other good news is that the set has 2654 hours on the chassis!  .
SO as You can see on the green - this is how it looks like - when you use Projector on maximal brightnes and contrast for 2000 hours. Heh'
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olgierd
Joined: 15 May 2008
Posts: 11
Location: Poland
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| Posted: Thu Dec 03, 2009 11:12 am Post subject: |
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One more thing worries me: why this sympthom is only on green and blue and not on the red tube.? Is it really all ok?
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arbey
Joined: 08 Mar 2006
Posts: 27
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| Posted: Thu Dec 03, 2009 11:23 am Post subject: |
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I don't know, maybe G2 setting of the red tube?
But first try to give it a signal.
You say you saw the startup screen?
| Quote: | | So you say this is totally normal - pictures were taken before the startup screen popped up, then it became a little darker. |
Then all should be ok and you should see at least a service menu when you push the "adj" button.
succes
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olgierd
Joined: 15 May 2008
Posts: 11
Location: Poland
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| Posted: Thu Dec 03, 2009 11:48 am Post subject: |
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Yes, I saw the service menu  , after pushing the ADJ button.
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