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Epson Powerlite 1815p screen projector - DVD playback video jerkiness when there is motion in the video

I'm trying to play a DVD video running over a 100 ft. ethernet cable from a new Dell Optiplex 745 using a ATI 1650 Pro 512 MB video card connected to the Epson 1815p screen projector. The video is then displayed on a 9x12 foot wall screen that is 19 feet away from the ceiling mounted Epson 1815p screen projector.

Epson Factory Tech Support is extremely poor, and I have basically given up calling them.

Powerpoint slide shows work fine, but DVD playback is bad with jerky display when there is motion in the video. Audio seems to sync OK, but with the jerkiness, it seems out of sync.

Everything else works just fine, this is my only issue, but my boss says that he will not use it until the video jerkiness is fixed. He's banned the staff from using the Epson screen projector until it is fixed also.

So I have basically a $3000.00 boat anchor until this video display problem is fixed..........

If anybody responds, thanks, and hope we can come to a concenus on the solution.

Regards,
Jim

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  • Jim Ya Jan 15, 2008

    First off, I am a network engineer and Microsoft-certified systems guy, and I did plan out much of the design and install of the project.



    This past week, many things were discovered. I assume my next comments will help us go forward with solving the video jerkiness problem.



    1. The management had forbid me from installing any broadband, be it DSL or Comcast.

    So there has been no Internet access for many months.



    2. The new Dell Optiplex 745 was personally built by me. I received the new Dell PC, deleted the Dell factory partition, created a new Dell PC partition, formatted the hard drive as NTFS, reinstalled Windows XP Pro SP2 clean with no Dell factory tools or apps loading at startup. Installed MS Office 2007 and Norton 360. Norton 360 was then disabled, and the Microsoft AutoUpdate feature was also disabled. Ran CCleaner tool to clean out any temp files. The amount of RAM in this Dell PC is 2 GB with a 4096 MB Windows swap file. I removed all programs, that are not needed at Startup. Finally, I measured the free memory and it is around 3400MB, so more than enough. All of these tasks were done last October 2007.



    3. I have the following network setup.

    A 7ft CAT6 ethernet cable runs from a Linksys router to the Dell PC built-in gigabit ethernet port.

    A 100ft CAT6 ethernet cable runs from the Linksys router to the Epson screen projector.

    Again, the router is only being used as a switch, as there is no broadband installed.

    Using a switch, means less packet collisions, so the network is very robust.

    This Dell PC is the only client on the network.

    All cables and ports were verified as OK and working by me.

    I was using Epson's "NS Connect" software tool to connect the Dell PC video to the Epson screen projector.



    4. The screen projector is ceiling mounted upside down 20ft off the floor. It is located 19ft from the 9x12 foot wall screen. Your suggestion of cabling a DVD player directly to the Epson screen projector would be impossible to mount or run in this vaulted ceiling.

    Also, there is no CompactFlash slot in this Epson screen projector.



    This past week, I sucked up my pride and patience, and recalled Epson support.

    I was able to finally get a Tier 2 support person on the phone.

    Here's what the Epson engineer had to say =



    1. The ethernet cable connection video speed from the Dell PC to the Epson screen projector maxs out at 19 fps. DVD video requires 30 fps, so that is the reason for the video jerkiness. I saw nothing like this mentioned in the manuals.



    2. He recommends I buy a 100ft VGA cable that goes from the screen projector to the Dell PC. There is two VGA video plugs on the Dell PC video card, so one for the screen projector, and one for the Dell monitor. He also said that I should buy a booster device for the video signal, since it is over 50ft. I am attempting to call the www.projectorpeople.com website sales to buy this hardware.

    Their quote for hardware is around $270.00.



    So, on to this next phase, and wait a few weeks before I get back with you.

    The recabling will be quite challenging.



    Regards,

    Jim Ya

  • Jim Ya Jan 15, 2008



    Benimur


    Thanks for helping out. Please see my latest posting 01/15/2008.
    I have clarified your suggestions.

    Also, yes, the DVD video does display normally when being displayed on the local Viewsonic LCD 19in monitor at the proper 30 fps speed.

    Regards,
    Jim Ya

  • Jim Ya Jan 16, 2008

    Actually Epson Tier 2 Tech Support confirmed the problem was the Epson screen projector, and apologized to me on my phone call to them last week. It's a major glitch with this particular line of Epson screen projectors.



    Will try to get with the managers tomorrow concernign the VGA cable..........



    I'll bring a second monitor to the install site to make sure the second video port works..........



    Double Cheers,

    Jim Kisco

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Hi,

I am assuming that the DVD plays normally on the display of the Dell 745.

Then the issue(s) may be with the:
1. Networking configuration/set-up of the Dell and/or the Epson;
2. ethernet cable;
3. configuration/set-up of the projector or the Epson itself.

A couple of things you can try:
1. Optimize your networking throughput.
1.1 Increase your PCI Latency Timer to 128 or 255 in the Dell's BIOS/CMOS setup (if present);
1.2 Try running DRTCP.exe and/or TCPOptimizer.exe appropriate to the Dell's OS;
1.3 Disable all other networking activities on the Dell. This may include auto updates, security/antivirus checks, etc. while running the DVD;
1.4 Slim down Dell's startup programs to bare minimum;
1.5 Increase your OS' swap file to roughly double your onboard memory
2. Try running a hub midway between the Dell and the Epson.
3. Verify that it is not the Epson that is problematic by playing a video source to the projector’s Video or S-Video port. If it is, then you have narrowed down the problem to the playing capability of the Epson.

Alternately if all else fails, perhaps you can try using:
1. a DVD player to the projector’s Video or S-Video port; and/or
2. a USB external DVD drive or a CompactFlash card (with a copy of the movie) direct to the 1815p
while settling the main issue.

Hope this be of help/idea. Pls post back how things turned out or should you need additional information.

Good luck and kind regards.

Posted on Jan 12, 2008

  • Louie  Role
    Louie Role Jan 15, 2008

    Hi again,

    Your post "The ethernet cable connection video speed from the Dell PC to the Epson screen projector maxs out at 19 fps." meaning the Dell can only push 19 fps video speed through the LAN? hmmm

    Should you still like to consider and If at all possible, try running a laptop wired to the switch and view a shared DVD movie in the Dell PC on that laptop. Determine if you still have the jerky video. Next, try using the 100 ft. Ethernet cable from the Epson and hook the same laptop, see if any change in video speed in the laptop while watching the shard Dell DVD. If the laptop works on the 100', then the Ethernet or the Dell is not limited to 19fps and we both know what's left.

    Cheers.


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