Question about Projection Televisions

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We have a Marantz 7500 receiver. We just moved our Runco TV and all the equipment to another area in the room. After hooking the cables, etc. up, everything works except the color on DVDs and our XBOX games. The color looks great on the TV. My husband tried three different cables (including Monster cable) for the output on the receiver and the colors are still off. We even brought in another TV and hooked it up. The problem was the same. Great color on the TV and crappy color on the DVDs and XBOX. Is something wrong with the receiver or are we missing something? Any suggestions? Thanks in advance for any help offered.

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  • mariacary Jan 03, 2009

    We tried to hook up three different sets of cables (including Monster cable) and the color was off with each set. We did this on two TVs and the color was off.

  • mariacary Jan 03, 2009

    We have a Marantz 7500 receiver. We just moved our Runco TV and all the equipment to another area in the room. After hooking the cables, etc. up, everything works except the color on DVDs and our XBOX games. The color looks great on the TV. My husband tried three different sets of cables (including Monster cable) for the output on the receiver and the colors are still off. We even brought in another TV and hooked it up. The problem was the same. Great color on the TV and crappy color on the DVDs and XBOX. Is something wrong with the receiver or are we missing something? Could it still be the cables even though we tried three different cables? Any suggestions? Thanks in advance for any help offered.

  • mariacary Jan 03, 2009

    We have a Marantz 7500 receiver. We just moved our Runco TV and all the equipment to another area in the room. After hooking the cables, etc. up, everything works except the color on DVDs and our XBOX games. The color looks great on the TV. My husband tried three different sets of cables (including Monster cable) for the output on the receiver and the colors are still off. We even brought in another TV and hooked it up. The problem was the same. Great color on the TV and crappy color on the DVDs and XBOX. Is something wrong with the receiver or are we missing something? Could it still be the cables even though we tried three different cables? Any suggestions? Thanks in advance for any help offered.

    We are certain that the cables are hooked up correctly (i.e. y to y, b to b and r to r).

  • mariacary Jan 03, 2009

    We have a Marantz 7500 receiver. We just moved our Runco TV and all the equipment to another area in the room. After hooking the cables, etc. up, everything works except the color on DVDs and our XBOX games. The color looks great on the TV. My husband tried three different sets of cables (including Monster cable) for the output on the receiver and the colors are still off. We even brought in another TV and hooked it up. The problem was the same. Great color on the TV and crappy color on the DVDs and XBOX. Is something wrong with the receiver or are we missing something? Could it still be the cables even though we tried three different cables? Any suggestions? Thanks in advance for any help offered.

    We are certain that the cables are hooked up correctly (i.e. y to y, b to b and r to r).

    Convergence was suggested as a possible problem. Could convergence still be the issue since we tried hooking the cables on to two different TVs and got the same result in bad color?

  • mariacary Jan 03, 2009

    We have a Marantz 7500 receiver. We just moved our Runco TV and all the equipment to another area in the room. After hooking the cables, etc. up, everything works except the color on DVDs and our XBOX games. The color looks great on the TV. My husband tried three different sets of cables (including Monster cable) for the output on the receiver and the colors are still off. We even brought in another TV and hooked it up. The problem was the same. Great color on the TV and crappy color on the DVDs and XBOX. Is something wrong with the receiver or are we missing something? Could it still be the cables even though we tried three different cables? Any suggestions? Thanks in advance for any help offered.

    We are certain that the cables are hooked up correctly (i.e. y to y, b to b and r to r).

    Convergence was suggested as a possible problem. Could convergence still be the issue since we tried hooking the cables on to two different TVs and got the same result in bad color?

  • mariacary Jan 03, 2009

    We have checked our cable connections at least twenty times.

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Recheck the cables conections from source xbox/dvd

Posted on Jan 03, 2009

  • Alvaro Domingues
    Alvaro Domingues Jan 03, 2009

    try connecting xbox/dvd direct on to tv !!

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Have you checked the cable connections

Posted on Jan 03, 2009

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Hi and welcome to FixYa,

Initially, a couple of ideas to explore/try:

  • bypass the Marantz 7500 receiver and connect the component video of the DVD and/or XBOX to the Runco TV;
  • if problem persists, settings/configuration of both the DVD and/or XBOX;
  • if color is correct, the Marantz 7500 receiver is faulty. Try unplugging the receiver for an extended period of time to revert to factory default or should a reset feature/button be available, engage/press;
  • try composite outputs of the DVD and/or XBOX to the Marantz 7500 receiver.
Good luck and Thank you for using FixYa.

Posted on Jan 03, 2009

  • Louie  Role
    Louie Role Jan 03, 2009

    that should read as:


    • if problem persists, settings/configuration of both the DVD, XBOX and/or the TV;


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  • 818 Answers

The SR-7500 is capable of up-conversion from either the composite inputs or the s-video inputs.
Time based correction and anti-aliasing are applied to the lower resolution signals to ensure the best signal possible through the component monitor out. I tried this with a Game Cube and was pleasantly surprised with the results. I’d never been able to get the display from the GC to appear correctly formatted on my projector, until passed through the component out of the 7500.

Posted on Jan 03, 2009

  • Sergio Scalfaro
    Sergio Scalfaro Jan 03, 2009

    do you have prove with the RGB -> Component converter?
    Sergio


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For me it sounds if your NTC PALL settings on your tv needs to be udjust. Check it the dvd menu @ display if you can changes this or you can look @ your tv Settings for COL-SYS option you can put this to auto or just change it till you see colour do the same when your xbox is on. Look for NTC PAL NTC4.43

Posted on Jan 03, 2009

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I agree it's a convergence problem, as mentioned go into Settings in the TV menu and select Convergence if Auto it will do it when you select this. If not it will ask you to do "Multi-Point Convergence" which will bring up a huge grid on your screen. You must use the TV remote and using your up and down and left and right buttons to place the "curser" on each grid and adjust the Red and Blue on each point till you get a pure white "grid point" Think of the picture as split up into say 72 different puzzle pieces and when you adjust each piece it fixes that one piece of the puzzle or screen. You want all lines to be pure white and by looking at the grid if you see either blue or red on the side of the white line, you want to move the right, left, up or down button so that the blue or red line gets back on track with it's corresponding white line grid. 

It sounds complicated but you will get it after a few seconds of playing around with it. Convergence should be done after the TV has been on for at least 30 minutes and should be done at least once a year (twice would be better at minimum) You see the problem with RPTV is they use three color lenses and as you watch TV, the lenses over time get out of alignemnt and need to be readjusted to get a clear sharp picture.

I adjusted a TV once that had never been converged in ten years and it took me over two hours to get all 72 points back on track, once done you will notice a way sharper picture and the colors won't be off kilter.

Posted on Jan 03, 2009

  • Antonio Buenafe Jr.
    Antonio Buenafe Jr. Jan 03, 2009

    Check for bent or broken pins on the cable connectors.


  • Antonio Buenafe Jr.
    Antonio Buenafe Jr. Jan 03, 2009

    Is your problem that the projector is displaying the wrong color or is it a color purity issue?
    How long of a cable are you running to the projector?
    What kind of cable are you using? VGA, RGB, S-Video?

    The reason I'm asking is that if you are running through a long cable you may get some color purity issues. This is caused by losses in the long cable. If this is your problem, then a simple VGA booster amp will help.

    If you are using S-Video from your computer, I would suggest going to the VGA output instead. The VGA output is a higher resolution output and it will support higher refresh rates.

    If you are using the VGA output, then you might want to try different refresh rates. You may get better color at a higher refresh rate.

    You will also get the best results if the VGA output is set to the native resolution of the projector. While some projectors will still show a picture at higher resolutions than the projectors native resolution, this isn't recommended. The reason is that the projector is simply scaling the higer resolution signal back down to its native resolution. The scalers in most projectors are not not very good. It is better to let the signal go through to the LCD or DLP of the projector without scaling. The specifications of the projector should indicate what the native resolution is. Set the output of the computer to this resolution.



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Just placing the system on another place and lost colors on those 2 units shows its problem of hooking wires incorrectly.
If you are using component video then recheck pin colors of each wire should be same on other unit, i.e red to red, green to green and blue to blue.  

Posted on Jan 03, 2009

  • Shahid Electronics
    Shahid Electronics Jan 03, 2009

    OK, if cables are hooked correctly then play dvd and check TV color system. Set tvt color system to Auto, if TV has that option.

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There is nothing wrong with receiver . Have you tried connecting with different cable .Some times faulty cable can cause this problem .

Posted on Jan 03, 2009

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