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Convergence problem on Cine Max
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Wed Aug 13, 2014 9:50 am    Post subject: Reply with quote


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You are correct. I do see the difference now. Thanks!
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Wed Aug 13, 2014 9:57 am    Post subject: Reply with quote

Yep, that is all they do, i run mine on eco mode because its easily bright enough. I tried boost when i first got it and found the brighter scenes to be abit too bright, more so in video games when the screen flashes full white.
_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Wed Aug 13, 2014 10:45 am    Post subject: Reply with quote

Ok economic looks fine indeed. One positive thing of this Cine Max is that the convergence does not seem to drift or only a very little perhaps. Smile
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Wed Aug 13, 2014 11:09 pm    Post subject: Reply with quote

Mine doesnt drift either, but itll be out of alignment on start up
_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Thu Aug 14, 2014 11:31 am    Post subject: Reply with quote

Look what I found. There is a service bulletin for the 909 regarding the blue convergence.
I checked my convergence out board and the 10 Ohm resistors are not replaced with the 100 Ohm as they suggest to prevent oscillations in the blue convergence! Perhaps check this with your own 909.



"http://www.barco.com/tde/(0950930000730470)/589/01/Barco_Info-T_589__R7631375-909-bleu-convergence-oscillations.pdf"
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Thu Aug 14, 2014 11:59 pm    Post subject: Reply with quote

Ive got all those listed somewhere here, i will get to it one day Wink

I just bought a 3840x2160 computer monitor, so ive been playing some PC games on that

_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Fri Aug 15, 2014 8:44 am    Post subject: Reply with quote

CasetheCorvetteman wrote:
Ive got all those listed somewhere here, i will get to it one day Wink

I just bought a 3840x2160 computer monitor, so ive been playing some PC games on that


I found two service bulletins for the 909 family. Do you have more? If so please send them to me.

I have one for the caps for standby. Replacing them fixed a peeping noise. And this one about blue convergence.
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CasetheCorvetteman




Joined: 09 Nov 2008
Posts: 6319
Location: Australia


PostLink    Posted: Fri Aug 15, 2014 8:48 am    Post subject: Reply with quote

I have a few, send me your address.

Do you have an iphone? If so, we can imessage for free

_________________
Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...

RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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Hulio




Joined: 15 Apr 2006
Posts: 469
Location: Belgium


PostLink    Posted: Sat Aug 16, 2014 10:44 am    Post subject: Reply with quote

Those resistors are so small that they'll require a steady hand and good soldering skills to be replaced.
A pro should do it, IMHO.
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redfox001




Joined: 16 Mar 2009
Posts: 2251
Location: The Netherlands


PostLink    Posted: Sat Aug 16, 2014 1:48 pm    Post subject: Reply with quote

Yes I did not do it yet also because it's priority is to improve the reliability. I will ask a professional friend when he has some time.
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