CurtPalme.com Home Theater Forum

[JBosch]

Hey everyone. I am now finally ready to start setting up one of my monsters. I finally got my Moome card yesterday. I would have trouble actually describing the issue I have with my 1251, so I am including links to a couple videos. (Forgive the quality of them, I took them with a digital camera.) When the projector is started, the tubes are very dim and the light is rolling like in the first video. The second video shows how they get bright as it shows the 20 minute white warm up screen, but the image is still rolling and it will go off and on intermently. Once the projector is on for around 5 minutes it stabilizes and is fine. Does anyone have any ideas of what could cause this? If this problem is too hard to troubleshoot or is really expensive I may have to use the 1270 instead. It doesn't have any issues that I know of. I'd much rather use this one because of the number stats however. Thanks in advance for any help, you guys are awesome. Jason





P.S I cannot remember where I read how to turn off the white warm up screen. How do you do that?

[JBosch]

Just a small follow up. After a quick 30 minute convergence. (not so hot, but watchable) The picture is unacceptably dark, even with the brightness and contrast up to max. The 1270 doesn't seem to have this issue. Could the tubes just be worn out? The counter only shows 975 hours, and only the blue shows even the faintest hint of wear. Maybe age has worn them prematurely?

[MikeEby]

Have you tried to connect the projector to a computer? If not try that first, I think we need to determine if its a source issue or a problem with the projector.

Mike

[JBosch]

If you're reffering to the rolling issue, it does that with or without a source hooked up. If I turn the projector off and back on quickly after it has stabilized it does not do the rolling thing. It seems to me to have something to do with warm up (temperature?). Beyond that I have no way to hook it up to a PC unless I buy a DVI to HDMI or VGA to RGBHV. Neither of which is something I want to waste money on presently. I will hook up my DVD player via S-Video tomorrow however to check if there is a possible external cause for the brightness issue. I had it set up tonight with HDMI. It was really dark at 480P, 720P, and 1080i. I have not messed with the Gamma setting on the Moome card, could that be a possible cause? Thanks for the reply Mike, Jason

[Brooklyn]

It is unlikely that the CRTs are bad with those hours. I would try the S-video first, and then try to figure out what is wrong. How many hours does the 1270 have? The 1270 does have better lenses and higher bandwidth.

[JBosch]

The 1270 doesn't have an hour counter unfortunantly, but I would guess it has <500 hours. All the tubes look perfect to me. If I do use the 1270 does anyone know how to reset everything back to 128? It doesn't show numbers like the rest of them do. Is there possibly a hard reset beyond pressed the left and right arrow keys together? That doesn't seem to put everything back to what I would think 128 is. I could be wrong though.

[wendortb]

First, the flickering: Have you tried fliping to the video input with nothing connected? Does it still flip/flicker? If it does,I would reseat all cards in the projector. When you reseat the cards, you are cleaning the contacts. Be careful in there. If it stops, I would make sure the jumper setting on the Moome card are correct.


You say it looks really dim, have you checked the G2 voltage? How to check G2 voltage



Change startup screen time:
Set the remote to serviceman adjustment mode.
Hold down the on button for 5 seconds.
Press < > keys to to set desired minutes
Press the ^ key.

Have you read the install manual? 1251 Install Manual

As for resetting everything on the 1270, are you following the manual for the reset? You do know there are factory resets and last saved settings reset, don't you? Make sure you follow the manual to reset and everything should be reset. There is a way to do a hard reset, but you shouldn't need this to reset convergence.

If you know all this, why do you think 128 is not in the right spot? Are you using the right spacers on the tubes and lenses?

Hope that helps ya.

BTW, it sounds like you got 2 pretty good machines to play around with.

[JBosch]

Well, now that it's the weekend maybe I can spend some time with these monsters. wendortb: Regarding the flickering, I switched to the video input and it does indeed go away. After doing that, when I switch over to the Moome card, the flickering resumes. It did not seem to flicker when I switched to input A (RGBHV), but I don't have a source that can use that right now anyway. It does still stabilize after 5-10 minutes. Once it was stabilized I compared between the Moome card via Component and HDMI to the S-Video input. S-Video is much brighter. I have included some screen shots to show the comparison. G2 controls have no effect regarding this issue. I can't imagine it being the Moome card, because the 1270 does not seem to have either of these issues. Thanks for any help everyone =)

HDMI - 1080i




Component Video - 1080i




S-Video - 480i

[JBosch]

Well, after playing around with this thing for most of the morning I gave up on it. For some reason or another on any input other than S-Video the tubes are not getting enough voltage. I switched over to the 1270 and gave it a quick tune in. It doesn't show the same issues, so I'm just going to use this and keep the 1251 for parts when needed. Here are a couple screens from the 1270. This is standard def DVD upconverted on a first gen samsung via HDMI. Excuse the quality, it is mostly my old camera. It really looks quite good in person, just a little bit soft.

Wedding Crashers


300


The Incredibles