Very odd.
I have just finished retubing the Marquee 9500LC that I have set aside for myself,
and am doing the pre-installation setup, and notice something really, really weird:
The green corner focus on the lens won't focus properly!
Electronically, the focus is very fine.
The LC assembly is the usual type for a 9500LC. Nothing out of the ordinary.
The green C element is the same one that was in this assembly when the old
green tube was in it.
The lenses are the same HD10GT17s that were on the projector before.
Scheimpflug works normally but can't fix this problem.
The center of the image can be focused perfectly, but I can't focus the left and
right central zones mechanically.
Electronic focus is just fine.
The only thing I can think of is that maybe, just maybe, I may have swapped
the green C element for another green C element that I have, which came from
an AmPro 4300's tube assembly. But why would that matter? Aren't all HD10
series C elements the same? I don't KNOW of any difference.
I don't want to have to tear down the entire assembly to find out. Particularly
when you consider that I secured the C element in place with some silicone
as I'd never expect to remove a color filtered C element for any reason.
I will start simple, by swapping lenses. See what happens.
Any thoughts on this?
CJ
I have just finished retubing the Marquee 9500LC that I have set aside for myself,
and am doing the pre-installation setup, and notice something really, really weird:
The green corner focus on the lens won't focus properly!
Electronically, the focus is very fine.
The LC assembly is the usual type for a 9500LC. Nothing out of the ordinary.
The green C element is the same one that was in this assembly when the old
green tube was in it.
The lenses are the same HD10GT17s that were on the projector before.
Scheimpflug works normally but can't fix this problem.
The center of the image can be focused perfectly, but I can't focus the left and
right central zones mechanically.
Electronic focus is just fine.
The only thing I can think of is that maybe, just maybe, I may have swapped
the green C element for another green C element that I have, which came from
an AmPro 4300's tube assembly. But why would that matter? Aren't all HD10
series C elements the same? I don't KNOW of any difference.
I don't want to have to tear down the entire assembly to find out. Particularly
when you consider that I secured the C element in place with some silicone
as I'd never expect to remove a color filtered C element for any reason.
I will start simple, by swapping lenses. See what happens.
Any thoughts on this?
CJ