Convergence on a Proxima DP9200

N-Channel · 8th November 2007, 03:11 PM

Video Gurus:

Anyone know how to correct this? I am seeing a ghost image offset from the real image by about 10-20 pixels. It is becoming more pronounced with use, and is more visible with larger image and screen sizes, and is affecting picture quality. Thank You.

Steve

zzonbi · 17th November 2007, 07:36 PM

If it affects all colour channels it's probably the dichroic prism, otherwise could be the LCDs themselves out of alignment.

Is the pixel shift equal throughout the whole screen area? If not, and all the pixels are in focus, it should be the prism.

I have a similar problem but the shift is less than 1/3 pixel. It's perfect just in one corner, so I guess it's the prism.

N-Channel · 17th November 2007, 10:10 PM

Z-

Thank You for responding! It's across the whole screen, and it's definitely more than one pixel, more like 4 or 5. It's enough to make the picture look out of focus, but it is in focus, because when I hit the focus button & adjust it, the word "FOCUS" is perfect, with no shift.

It's almost like a "ghost" image that won't go away, and is there on all four inputs: Video 1, Video 2 (both composite and S-video), and Computer 1 & Computer 2.

Will try your suggestions, and report back soon with results. Thanks Again,

Steve

zzonbi · 18th November 2007, 02:21 PM

Wait, if the word "focus" is in perfect focus with NO SHIFT do not touch the optics, as the problem is probably not there. Looks more like an echoing on the electrical signal path, kinda like when the TV reception isn't good.

As a disclaimer I do not encourage adjusting delicate optics, especially when there is no urgent need.

N-Channel · 18th November 2007, 04:59 PM

OK. I mis-counted the pixel shift- it's more like 17-20 pixels.

Bohanna · 28th December 2007, 02:49 AM

Did you fix the Ghost problem yet??

Bohanna

N-Channel · 28th December 2007, 04:34 PM

Nope. Been a couple of hectic months. May get to it sometime in January.

Bohanna · 29th December 2007, 12:40 AM

sombody sent this to me and it helped . "The cure for this problem is to go into the service menu and change
the data numbers 11, 12, and 13 to a setting of 00FF in the data
window."

This worked for me on the ghosting - the part I had to figure out was getting into the service menu.

to get to the service menu hold down the Menu and Normal Bottons for a few seconds and it wiIl Pop up

Make sure to write down the values before changing any Numbers
Good Luck

Bohanna

mpmarino · 29th December 2007, 12:45 AM

The proxima is the same as the sanyo??

Bohanna · 29th December 2007, 04:39 AM

The proxima is the same as the sanyo??

Duh Yeah?? go to Projectorcentral.com and find the Proxima Model and if it is an older one it was Made By sanyo

the 8800 Sanyo and the DP5900 and the Eiki 860 (I think)

are all the same Machine Same guts different firmware

Bohanna

8th November 2007, 03:11 PM	#1
N-Channel diyAudio Member Join Date: Mar 2003 Location: Sol System	Convergence on a Proxima DP9200 Video Gurus: Anyone know how to correct this? I am seeing a ghost image offset from the real image by about 10-20 pixels. It is becoming more pronounced with use, and is more visible with larger image and screen sizes, and is affecting picture quality. Thank You. Steve __________________ -. ---.. -..- ---

17th November 2007, 10:10 PM	#3
N-Channel diyAudio Member Join Date: Mar 2003 Location: Sol System	Z- Thank You for responding! It's across the whole screen, and it's definitely more than one pixel, more like 4 or 5. It's enough to make the picture look out of focus, but it is in focus, because when I hit the focus button & adjust it, the word "FOCUS" is perfect, with no shift. It's almost like a "ghost" image that won't go away, and is there on all four inputs: Video 1, Video 2 (both composite and S-video), and Computer 1 & Computer 2. Will try your suggestions, and report back soon with results. Thanks Again, Steve __________________ -. ---.. -..- ---

18th November 2007, 04:59 PM	#5
N-Channel diyAudio Member Join Date: Mar 2003 Location: Sol System	OK. I mis-counted the pixel shift- it's more like 17-20 pixels. __________________ -. ---.. -..- ---

28th December 2007, 04:34 PM	#7
N-Channel diyAudio Member Join Date: Mar 2003 Location: Sol System	Nope. Been a couple of hectic months. May get to it sometime in January. __________________ -. ---.. -..- ---

29th December 2007, 12:45 AM	#9
mpmarino diyAudio Member Join Date: Jun 2004 Location: Crunchville, where I don't fit in.	The proxima is the same as the sanyo?? __________________ Crazy Yankee.


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17th November 2007, 07:36 PM	#2
zzonbi diyAudio Member Join Date: Nov 2005 Location: spain	If it affects all colour channels it's probably the dichroic prism, otherwise could be the LCDs themselves out of alignment. Is the pixel shift equal throughout the whole screen area? If not, and all the pixels are in focus, it should be the prism. I have a similar problem but the shift is less than 1/3 pixel. It's perfect just in one corner, so I guess it's the prism.

18th November 2007, 02:21 PM	#4
zzonbi diyAudio Member Join Date: Nov 2005 Location: spain	Wait, if the word "focus" is in perfect focus with NO SHIFT do not touch the optics, as the problem is probably not there. Looks more like an echoing on the electrical signal path, kinda like when the TV reception isn't good. As a disclaimer I do not encourage adjusting delicate optics, especially when there is no urgent need.

28th December 2007, 02:49 AM	#6
Bohanna diyAudio Member Join Date: Jul 2007	Did you fix the Ghost problem yet?? Bohanna

29th December 2007, 12:40 AM	#8
Bohanna diyAudio Member Join Date: Jul 2007	sombody sent this to me and it helped . "The cure for this problem is to go into the service menu and change the data numbers 11, 12, and 13 to a setting of 00FF in the data window." This worked for me on the ghosting - the part I had to figure out was getting into the service menu. to get to the service menu hold down the Menu and Normal Bottons for a few seconds and it wiIl Pop up Make sure to write down the values before changing any Numbers Good Luck Bohanna

29th December 2007, 04:39 AM	#10
Bohanna diyAudio Member Join Date: Jul 2007	The proxima is the same as the sanyo?? Duh Yeah?? go to Projectorcentral.com and find the Proxima Model and if it is an older one it was Made By sanyo the 8800 Sanyo and the DP5900 and the Eiki 860 (I think) are all the same Machine Same guts different firmware Bohanna

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