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noos@xp37+
Joined: 17 Jun 2008
Posts: 464
Location: Berlin/Munich
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| Posted: Mon Aug 08, 2011 8:19 pm Post subject: Barcovision 701HQ - red tube flickering at start |
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Hello,
here is a Barcovision 701HQ with the red tube flickering at start of the machine. Also the picture can not be stretched over the tube face vertically as on the green and the red tube. What part could be defect, and can I use parts from a Barco 701 (non s)?
Thanks
noos
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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: Tue Aug 09, 2011 12:51 pm Post subject: |
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Try swapping the CRT socket between tubes. For the V height, look in the tips and FAQ section and find the pix of the V height adjustment pot on the deflection board.
<edit>, there's no picture like that! 
Near the bottom of the deflection pot are two blue trimpots, one with a red dot on it. That's the master V height.
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noos@xp37+
Joined: 17 Jun 2008
Posts: 464
Location: Berlin/Munich
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| Posted: Tue Aug 09, 2011 4:25 pm Post subject: |
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| Curt Palme wrote: | Try swapping the CRT socket between tubes. For the V height, look in the tips and FAQ section and find the pix of the V height adjustment pot on the deflection board.
<edit>, there's no picture like that!
Near the bottom of the deflection pot are two blue trimpots, one with a red dot on it. That's the master V height. |
Thanks! I will check this next time I am close to it.
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