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Discussion Starter · #1 ·
i have a barco 708mm manufactured in 1999,it is strange the green tube is stable but the blue and red tube picture keep shifting right,what's wrong with this machine
 

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Most likely it's the focus/H shift board. Email me if you need one. I've got spares.
 

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Don't Forget that all 4 toe in nuts/ bolts must be tight or the tubes will move as the PJ heats up.

Seen it happen a lot.

Roland
 

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Discussion Starter · #5 ·
Thank you B4 ,the 4 toe in nuts is tight.the blue and red tube shift the same direction while the green one is rather stable.if it is as what curtpalme said then all 3 pictures would shift the same way.is is realy something wrong with it's the focus/H shift board??
 
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