Curt Palme CRT Tech
Joined: 08 Mar 2006 Posts: 24396 Location: Langley, BC
TV/Projector: All of them!
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| Posted: Tue Sep 29, 2009 4:33 pm Post subject: |
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No, the lenses cannot be loose, otherwise you will not get proper focus.
the key to proper setup is to use as much width on the tube face as possible, and to center the rasters left to right on the tube face, that's what the DC adjustments on the setup remote are for (bottom arrows on the remote when you're in the service mode).
Set the DC centering to approx 0 for each color, the green tube is used as a reference. You then use the R and B toe in adjustments (mechanical) to tweak the tubes.
As for the tube focusing adjustments, the spring loaded clips behind the lenses was a late add-on to the sets. It gives a bit of Scheimpflug adjustments to the corner focusing. I'd tighten the lens bolts tight, then back them each off about 1/2 turn. Focus the lenses for best focusing, then play with the bolts to get the corner focus even better. It's typical that one corner is always a bit off on the 895, the cheap plastic lenses limit the overall focusing of the set, but it's a good 1080i set.
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