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stridsvognen
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| Posted: Sun May 06, 2012 7:32 pm Post subject: |
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| ronaldus wrote: | Thank you very much!
I see that I'm not quite at your level.
I'll come back when I've done some upgrade to my focus board.
Cheers,
Ron. |
This is from a standard 1997 9500LC. With HD fury 3.
When i'm looking your pics, i wonder if you have optimal focus.? maybe dirty glycol ?
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ronaldus
Joined: 25 Dec 2010
Posts: 183
Location: france
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| Posted: Sun May 06, 2012 8:16 pm Post subject: |
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Hi again,
Mine is from 1995. Glycol is one year in there and yes I have some small "bubbles" on the green C element. Unfortunately i have some "snowflakes" in my blue tube glycol as well. The red is completely clean and focus is not better.
Nashou what are the CPC magnets?
cheers,
ron.
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stridsvognen
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| Posted: Sun May 06, 2012 8:28 pm Post subject: |
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Did you calibrate your 9500? So your sure you have the right G2 and Drive settings.?
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ronaldus
Joined: 25 Dec 2010
Posts: 183
Location: france
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| Posted: Sun May 06, 2012 8:52 pm Post subject: |
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I did a calibration (without meter) before modifying the VNB's so it could be that changing some resistors and caps could change it a little bit.
I see that my black level is not the same in the screen shot compared to yours.
I'll check that tomorrow.
cheers,
Ron.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Sun May 06, 2012 9:05 pm Post subject: |
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| ronaldus wrote: | Hi again,
Mine is from 1995. Glycol is one year in there and yes I have some small "bubbles" on the green C element. Unfortunately i have some "snowflakes" in my blue tube glycol as well. The red is completely clean and focus is not better.
Nashou what are the CPC magnets?
cheers,
ron. |
Some call them Astigmatism magnets but their true name is Color Purity Control magnets. They Are the single two or tree magnet rings at the very end of the tube with the knobs or just tabs. These adjust the dot shape globally across the tube face.
Then if your PJ has them, you would adjust the corners using the Astig controls in the service menu for each RGB circuit.
Getting the Dots just right is critical for color purity and uniformity as well as sharpness.
Athanasios
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ronaldus
Joined: 25 Dec 2010
Posts: 183
Location: france
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| Posted: Mon May 21, 2012 8:57 am Post subject: |
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Hi everybody,
I'm reading also the thread about the vertical faint line mod and the discussion about the decoupling caps.
https://www.curtpalme.com/forum_archived/viewtopic.php@t=29890.html
and I was wondering if the fact that after the change of the carbon resistors and the two electrolytic caps gave a better sharpness then when also the HF1100 was changed could be caused by a and decoupling capacitor because I have not changed the Tantalium decoupling caps. What should I use there?
Regards,
Ron.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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