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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Sat Nov 14, 2015 10:46 am Post subject: |
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| redfox001 wrote: | Do you mean the raster is outside the tube face or the picture is outside the raster?
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my picture projects ouside the raster 
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redfox001
Joined: 16 Mar 2009
Posts: 2257
Location: The Netherlands
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| Posted: Sat Nov 14, 2015 10:56 am Post subject: |
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Hoi! ik denk dat je bedoelt dat je de randjes van het plaatje mist omdat die buiten het raster vallen?
Hi I think you mean the edges of the image are missing? The picture is larger than the raster area?
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Sat Nov 14, 2015 11:07 am Post subject: |
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| barcodude wrote: | ók thanks,
is it really ok to do this won't i screw anything up?
and witch pattern is the best refrence:
-projected image
-gen lock pattern
-internal pattern
regards,
barco dude |
Yes, it is safe. On each Barco projector, max. horiz. amplitude pot must be tweaked a bit when not enough width can be achieved with size maxed in geometry.
The best way is to test with a active source or at least a genlocked pattern, on the resolution you will watch movies ( 1080i in your case ).
I will send you a PM with instructions.
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Sat Nov 14, 2015 11:40 am Post subject: |
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| redfox001 wrote: | Hoi! ik denk dat je bedoelt dat je de randjes van het plaatje mist omdat die buiten het raster vallen?
Hi I think you mean the edges of the image are missing? The picture is larger than the raster area? |
nee en ja ik kan het plaatje wel zien want die kan breed maar me gen lock pattern gaat niet wijder dus het plaatje projecteerd buiten het raster dus het raster moet breeder dan het geprojecteerde plaatje zodat ik niet mijn tubes stress
klinkt dat logisch?
bla bla english sorry guys for are dutch communication here 
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redfox001
Joined: 16 Mar 2009
Posts: 2257
Location: The Netherlands
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| Posted: Sat Nov 14, 2015 12:32 pm Post subject: |
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In Ducks 
Ok het raster kun je zien als je het contrast naar 0 of zeer laag draait en de brightness zeer hoog. Als je dan in de buis kijkt zie je een oplichtend oppervlak. Dat is het raster.
Met de potmeter die Hulio terecht noemt kun je dat raster groter maken of kleiner. Het moet een paar millimeter binnen de randen van de buis vallen.
In English:
The raster is the area on the tube with brightness high and contrast low. This should be on the tube face a few milimetes in.
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Sat Nov 14, 2015 12:59 pm Post subject: |
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het raster is idd te zien op de tubes maar ik bedoel de gen lock pattern die ik dan projecteer die niet wijd genoeg is ik heb nog niet gekeken in de tubes maak ik mij nou voor niks zorgen?
is the raster that you see trough the tubes the same raster i project on screen with the genlock pattern?
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Sat Nov 14, 2015 2:38 pm Post subject: |
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i can get a barcovision 708 mm only the blue tube won't fire up maybe i can swop my blue tube of my vision701?
maybe you can help me redfox? 
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redfox001
Joined: 16 Mar 2009
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Location: The Netherlands
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| Posted: Sat Nov 14, 2015 2:48 pm Post subject: |
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I would not worry about the genlock pattern. I never use those. I allways use testpatterns from the source device.
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Sat Nov 14, 2015 2:57 pm Post subject: |
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| redfox001 wrote: | | I would not worry about the genlock pattern. I never use those. I allways use testpatterns from the source device. |
 nou ben ik in de war dus wat jij zegt is dat je een test patern van een device zoals bluray player of htpc projecteerd en dan kijk je in de tubes?
ik hep je trouwens een pm gestuurd
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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 14, 2015 3:33 pm Post subject: |
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No, the tubes between the 701 and 708 are not compatible. if it's not a bad connection, then the 708 CRT socket/video amp is probably bad. I've got those for $20 USD plus shipping, which should be about $25 to you.
BTW, in all of the 70X series chassis I've serviced, and it's been at least 100 over the years, I have NEVER had to adjust the master H width pot on the power supply board. The internal test patterns should just hit the edge of the tube face, and with the H width in the menus at 100, should be slightly shooting over the tube face. The pix below is typical for a Barco at 50% width:
http://www.curtpalme.com/TubeRasterSetup3.shtm
If you can do that with your set, and the image is too small, then you have front or back porch issues with your signal, which can be corrected by a scaler between your source and the projector.
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Sun Nov 15, 2015 10:45 am Post subject: |
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| Curt Palme wrote: | | No, the tubes between the 701 and 708 are not compatible. if it's not a bad connection, then the 708 CRT socket/video amp is probably bad. I've got those for $20 USD plus shipping, which should be about $25 to you. |
ok i will look in to that
| Curt Palme wrote: |
If you can do that with your set, and the image is too small, then you have front or back porch issues with your signal, which can be corrected by a scaler between your source and the projector. |
and yes i had a scaler and had no problems with image width before, so maybe it's a issue but how bad is it?
can i still be able to watch a movie without blowing up mu pj?
and maybe it's my scheimpfug adjustment set to a wrong screen size?
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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: Sun Nov 15, 2015 4:13 pm Post subject: |
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Can you read the instruction manual, or look at the stickers on top of the tube frame, that clearly indicates where the levers should be set for what screen size? That's the only adjustments you can do for Scheimpflug.
As for blowing up the set, you're more likely to do it by adjusting trimpots that you don't need to within the set. If the test pattern fills the width of the tube as I showed above, then you have a signal issue. Go into the scaler menus, and adjust the size adjustments.
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Sun Nov 15, 2015 9:28 pm Post subject: |
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| Curt Palme wrote: | Can you read the instruction manual, or look at the stickers on top of the tube frame, that clearly indicates where the levers should be set for what screen size? That's the only adjustments you can do for Scheimpflug.
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i think i set it to the smallest size because i had 3 sizes and the middle setting is my cinema screen width, and i think i put it on setting 1, so to small. You think that's the problem why my raster doesn't go wide enough?
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Curt Palme
CRT Tech
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Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Sun Nov 15, 2015 9:49 pm Post subject: |
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No, Scheimpflug is only for edge focusing.
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redfox001
Joined: 16 Mar 2009
Posts: 2257
Location: The Netherlands
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| Posted: Sun Nov 15, 2015 9:51 pm Post subject: |
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| barcodude wrote: | | redfox001 wrote: | | I would not worry about the genlock pattern. I never use those. I allways use testpatterns from the source device. |
nou ben ik in de war dus wat jij zegt is dat je een test patern van een device zoals bluray player of htpc projecteerd en dan kijk je in de tubes?
ik hep je trouwens een pm gestuurd |
Ja!
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Mon Nov 16, 2015 7:30 am Post subject: |
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ah so i can eliminate all of it ok.
i tried some size adjustment and now i found that my raster can go wide enough only my picture ends up outside of my cinema screen so that meens i still can't go wide enough 
when i had a scaler i had no problems with it.
i think i'm gona blank the motherf%$r, and cut a little bit of my projected image
i give up
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redfox001
Joined: 16 Mar 2009
Posts: 2257
Location: The Netherlands
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| Posted: Mon Nov 16, 2015 9:00 am Post subject: |
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Not possible to move the 701 closer to the screen?
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Mon Nov 16, 2015 4:20 pm Post subject: |
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| redfox001 wrote: | | Not possible to move the 701 closer to the screen? |
nope it's fixed to the ceiling
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barcodude
Joined: 14 Jun 2014
Posts: 169
Location: The Netherlands
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| Posted: Mon Nov 16, 2015 6:29 pm Post subject: |
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| Curt Palme wrote: | | if it's not a bad connection, then the 708 CRT socket/video amp is probably bad. |
and were do you find the bad connection if it's that case?
regards, barcodude
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redfox001
Joined: 16 Mar 2009
Posts: 2257
Location: The Netherlands
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| Posted: Mon Nov 16, 2015 11:15 pm Post subject: |
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Lol that is funny. Usual there is a little written text on the board that says hé I am the bad connection! Not.
You can find it by inspecting a board but takes someone with experience in electronics.
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