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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Fri Jan 01, 2010 4:37 pm Post subject: sony d50 |
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Hi guys. Just received my new D50 from ebay. Tubes have only the slightest hint of wear and the timers read 625 hours - ebay cost inc delivery £300 so happy me  )
Can anyone tell me the brightness and contrast settings I should be running the pj at ?
Also, looks like the previous owner had a fun time messing with the drive and cut levels for the tubes so the colours a bit off. Will tackle that once I'm more familiar with the set but overall, well happy.
Thanks as always.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Fri Jan 01, 2010 4:59 pm Post subject: |
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Brightness should be set so black is black and contrast should be set to where you like it. Its hard to set these controls if the others are set incorrectly (drive/cut).
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Fri Jan 01, 2010 5:06 pm Post subject: |
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Thanks - main worry is driving the tubes too hard considering they are minty.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Fri Jan 01, 2010 5:30 pm Post subject: |
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You can cause more damage by not having the drive/cut set properly.
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Fri Jan 01, 2010 5:37 pm Post subject: |
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Ok - will have to learn how to do that then. In the mean time I'll pray...
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Fri Jan 01, 2010 8:00 pm Post subject: |
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I have my D50 set at 45 and 64. It's an high hour projector with toasty-ish tubes. 6500 hours.
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Fri Jan 01, 2010 8:19 pm Post subject: |
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Thanks analog. I know every pj is different but could you note down the bias and gain values for your set next time you have it on so I can see if mine are ballpark please ?
Am so chuffed with the D50 )
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drice1234
Joined: 07 Oct 2006
Posts: 1309
Location: Allen, Texas
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| Posted: Fri Jan 01, 2010 8:21 pm Post subject: |
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I am on my second D50 and run them pretty hard. About 75 constrast and 80 brightness. I can easily get 3 to 4 years of use at these settings which works out to less than a $100 per year.
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Fri Jan 01, 2010 8:23 pm Post subject: |
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| drice1234 wrote: | | I am on my second D50 and run them pretty hard. About 75 constrast and 80 brightness. I can easily get 3 to 4 years of use at these settings which works out to less than a $100 per year. |
Why do you need your brightness cranked so high? Isn't that making your black level grey?
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Fri Jan 01, 2010 8:24 pm Post subject: |
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No offense to either of you guys but your posting information based on the fact(at least I hope it is) that your bias and gain are properly set. If these are not correctly set (as he has indicated) then your posting are completely meaningless and also incorrect........
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Fri Jan 01, 2010 8:26 pm Post subject: |
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| macgyver655 wrote: | | No offense to either of you guys but your posting information based on the fact(at least I hope it is) that your bias and gain are properly set. If these are not correctly set (as he has indicated) then your posting are completely meaningless and also incorrect........ |
Yep true. But hey I'll throw some numbers out there.
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Fri Jan 01, 2010 8:41 pm Post subject: |
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Thanks - just give me some reassurance that mine is at least within the ballpark.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Fri Jan 01, 2010 8:47 pm Post subject: |
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Maybe just go into the bias and gain settings and set them at midpoint. Then set the contrast at 50 and have no signal on so you have a black screen. Then look into the lens and adjust the brightness until none of the tubes emit a raster (just to a point where the last one goes from slight glow to no glow). Ignore the adjustment graph. Then project an image and set the contrast for a watchable picture.
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Sun Jan 03, 2010 12:08 am Post subject: |
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Ok, so I am officially enbarassed and ashamed - the abg setting was set to off - turned it on and the colours are great. Thanks for the help and apols for wasting your time guys..
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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 Jan 03, 2010 2:01 am Post subject: |
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You know how long it took me to figure out? No embarrassment needed on your end.
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Sun Jan 03, 2010 2:05 am Post subject: |
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The D50 sure is a lot more involved than my 2 data 701's. Barco certainly got their software spot on in terms of ease of use.
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Sun Jan 03, 2010 2:11 am Post subject: |
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BTW, in case anyone searches for default D50 brightness and Contrast settings in future, sony state brightness on 50 and contrast on 80 ( but that's way too bright for me so I have brightness on 45 and contrast on 65 ).
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Sun Jan 03, 2010 2:23 am Post subject: |
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| nurse mark wrote: | | BTW, in case anyone searches for default D50 brightness and Contrast settings in future, sony state brightness on 50 and contrast on 80 ( but that's way too bright for me so I have brightness on 45 and contrast on 65 ). |
This is what I meant if the bias and gains are not properly set. Those settings will determine where the brightness and contrast end up. Also, those default settings are for setting the bias and gains. 
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nurse mark
Joined: 15 Dec 2009
Posts: 39
Location: leicester, UK
TV/Projector: Barco Data 701
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| Posted: Sun Jan 03, 2010 2:27 am Post subject: |
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Lol, tks. I have a lot to learn 
BTW - currently running at 800 x 600. When I choose 1024 x 768 I get a much smaller picture and cant max it out to fill the screen. Is this usual ?
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Jan 03, 2010 2:31 am Post subject: |
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| nurse mark wrote: | Lol, tks. I have a lot to learn
BTW - currently running at 800 x 600. When I choose 1024 x 768 I get a much smaller picture and cant max it out to fill the screen. Is this usual ? |
Nope that's not usual. It means you need to do a setup for 1024x768.
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HD done right!
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