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NEC projector setup document.. revised!
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Curt Palme
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Joined: 08 Mar 2006
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TV/Projector: All of them!

Posted: Mon Apr 09, 2007 9:14 pm    Post subject: NEC projector setup document.. revised!

Open for discussion and critique....Smile


It's online now. See: http://www.curtpalme.com/CRTSetupGuide.shtm


Last edited by Curt Palme on Thu Sep 20, 2007 4:40 am; edited 1 time in total
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Tinman



Joined: 09 Mar 2006
Posts: 1326
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Posted: Mon Apr 09, 2007 9:46 pm    Post subject:

Looks good to me! Very Happy

The thumb however...... bet that hurt.

Marc

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Curt Palme
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Posted: Mon Apr 09, 2007 9:50 pm    Post subject:

Projector dropped on thumb.. ouch!
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Curt Palme
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Posted: Mon Apr 09, 2007 10:05 pm    Post subject:

Here's part 2. I have left out astig and focusing and signal entry, I found the pictures AFTER I wrote the geometry writeup, so here's the geometry writeup, and I'll go in tomorrow and will insert what I missed at the beginning of this...


nec setup part 2.doc
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GEBrown



Joined: 08 Mar 2006
Posts: 729
Location: Denver

Posted: Mon Apr 09, 2007 10:10 pm    Post subject:

Curt Palme wrote:
Projector dropped on thumb.. ouch!

Oh?!?!??! So now it (PJ) is damaged and possibly infected with HIV virus - I sense a mark-down coming in the next newsletter.

Very Happy

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Curt Palme
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Posted: Mon Apr 09, 2007 10:44 pm    Post subject:

WHat, the projectors are marked down as they might have the HIV, or I don't have long to live so I'm blowing them out?

Wink
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Curt Palme
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Posted: Tue Apr 10, 2007 1:38 am    Post subject:

Here's part 1.25. to be inserted early in the first document since it's about signal entry..Smile


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Curt Palme
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TV/Projector: All of them!

Posted: Tue Apr 10, 2007 2:39 am    Post subject:

Section 1.5- electronic astig and focusing.


NEC setup document part 1.5.doc
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Tinman



Joined: 09 Mar 2006
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Posted: Tue Apr 10, 2007 3:19 am    Post subject:

Waiting for section 1.8, Cursing and screaming! Very Happy

-OR-

"Time to call a pro."

Marc

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Mark_A_W



Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia

Posted: Tue Apr 10, 2007 12:12 pm    Post subject:

Some corrections:

- "Scheimpflug bolts" do not need to be loosened to adjust the Scheimpflug tabs, just the lens mounting bolts

- Phase is not the same as line distortion

- When you create a new input, picking default does not make the new input the default, it calls data from the default settings to create the new input.

I always use Temporary for a new res (coz Doug so), and often use Entry Number to copy one res to another (say if I'm creating a 72hz res when I already have created the very close 75hz res). But you wouldn't copy a 33khz signal to a 90khz one - they need to be close.

If I know what the default is I may use that. But the default settings are usually the factory ones, and are done at the factory for a 100" 4:3 screen - nothing like what we tend to use.
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emdawgz1



Joined: 14 Mar 2006
Posts: 7949


Posted: Tue Apr 10, 2007 1:10 pm    Post subject:

Say Curt, as a suggestion. Can you make the files PDF?

I think it'll download and print easier.

Thanks for the info its helped me already.

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Curt Palme
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Posted: Tue Apr 10, 2007 1:46 pm    Post subject:

Will do.. once they are complted. They will all go up in the NEC and/or advanced sections. I just posted the documents here for critique and review.
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scottap



Joined: 27 Mar 2007
Posts: 177
Location: Palo Alto, CA

Posted: Tue Apr 10, 2007 3:20 pm    Post subject:

You wrote:
Additional disclaimer: This article assumes that the yoke, focus yoke and astig magnets are set accurately in your set. Yoke adjustments and astig adjustments are considered advanced procedures, and unless someone has been tinkering in your set, these do normally not need adjusting.

What if that's not the case, is there a way to tell? Is it reasonable to say "if adjustment A doesn't work, then your astig magnets may be set incorrectly" or is it more complicated? It's not that you have to demonstrate the advanced procedures, but it might be helpful to know the warning signs when you're troubleshooting.
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Curt Palme
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Posted: Tue Apr 10, 2007 3:32 pm    Post subject:

THe reason I left it out is that if you need the article, you're a newbie (no offense) that shouldn't be messing with the internal magnets in the first place.

It's pretty rare that I get a projector in where someone has messed up the magnetics... unless you're a newbie who ends up putting fingers where they shouldn't. (also indicated by the HV burn marks and the multiple Band Aids on the fingers..<grin>. Projectors that I get in surplus that have had tube changes in the past usually have been done by techs that know what they are doing.

But good point. I'll make a note about the silicone that seals the astig magnets. I'll include a pix of the factory seals...

I just don't want the emails to come in: " The set seemed pretty good, I read your article, messed with the astig magnets and now it's really effed up'... If you don't tell people where they are in the first place, there's less chance of them messing with them in the first place.
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dbaisey



Joined: 09 Mar 2006
Posts: 821
Location: Southern Cal LA / Seattle WA

Posted: Tue Apr 10, 2007 3:46 pm    Post subject:

Curt,
The changes I would make Mark has addressed already. The images of the dot and H patterns dont show up to well. Anything you can do about that? Doug
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Curt Palme
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Location: Langley, BC

TV/Projector: All of them!

Posted: Tue Apr 10, 2007 3:58 pm    Post subject:

Mark_A_W wrote:
Some corrections:

- "Scheimpflug bolts" do not need to be loosened to adjust the Scheimpflug tabs, just the lens mounting bolts -DONE

- Phase is not the same as line distortion DONE

- When you create a new input, picking default does not make the new input the default, it calls data from the default settings to create the new input.

I always use Temporary for a new res (coz Doug so), and often use Entry Number to copy one res to another (say if I'm creating a 72hz res when I already have created the very close 75hz res). But you wouldn't copy a 33khz signal to a 90khz one - they need to be close.

If I know what the default is I may use that. But the default settings are usually the factory ones, and are done at the factory for a 100" 4:3 screen - nothing like what we tend to use.


OK, thanks. I'll put in to use the 'temporary' entry.
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composr



Joined: 27 Mar 2006
Posts: 25


Posted: Tue Apr 10, 2007 7:51 pm    Post subject:

Curt, how much of this would be relevant to setting up a PG XTRA?

Thanks,

ray
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Curt Palme
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Posted: Wed Apr 11, 2007 12:19 am    Post subject:

A lot of it.

Tomorrow I'll work on the convergence section. There's lots of similarities between the PG and XG setup, just skip over the part that's not relevant.

But hey, if you're asking, you're either already an expert, or are doing the 'guy' thing of 'instructions? I don't need to stinking instructions' <grin>
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paw



Joined: 08 Mar 2006
Posts: 1176
Location: Arvada, CO

Posted: Wed Apr 11, 2007 3:47 am    Post subject:

composr wrote:
Curt, how much of this would be relevant to setting up a PG XTRA?

Thanks,

ray


Curt Palme wrote:
A lot of it.

Tomorrow I'll work on the convergence section. There's lots of similarities between the PG and XG setup, just skip over the part that's not relevant.

But hey, if you're asking, you're either already an expert, or are doing the 'guy' thing of 'instructions? I don't need to stinking instructions' <grin>


I've got a 9Xtra. I'm planning on using this doc to set it up. I'll mark up the difference and send them back to Curt. That way it could do double duty. As long as Curt gets the XG version finished. Wink

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Mark_A_W



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Posted: Wed Apr 11, 2007 3:51 am    Post subject:

Phase is different on an Xtra, as is Raster Centering.
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