rgb n64 not displaying a rgb picture

Discussion in 'Repair, Restoration, Conservation and Preservation' started by ssj4jaxmazon, Aug 15, 2012.

  1. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    Hi I recently bought a French PAL rgb modded n64 and I have a few issues trying the n64 to output rgb I have tried two snes rgb cables and a gamecube rgb cable however none of them seem to be out putting rgb.

    Is there a specific cable that I need?

    any help would be much appreciated


    Thanks
     
  2. Lum

    Lum Officer at Arms

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    Are your snes rgb cables for the NTSC or PAL snes? that modder might've followed NTSC snes design, for whatever reason. (nintendo of europe gave snes rgb changes from usa/jpn)
     
  3. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    they are indeed all PAL cables, so would I have to get a ntsc cable if so is there any that you would recommend?

    Thanks
     
  4. Bad_Ad84

    Bad_Ad84 The Tick

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    ntsc cables just have caps on the rgb line. You should still get a picture using a pal cable.
     
  5. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    Well I don't know why but I gave my cables another try, and my snes PAL cable seems to work great.

    However super mario 64 seems to be the only game that works for me :(, I have tried three other games and I get nothing.
     
    Last edited: Aug 15, 2012
  6. Bad_Ad84

    Bad_Ad84 The Tick

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    dirty cart slot and/or dirty carts?
     
  7. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    I didn't think of that :( I will give them a good clean now
     
  8. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    yeah giving the contacts a clean make all my games work :D thanks for all the help.

    I think I may need a new cable since the one Im using is shit since I get this strange line thing going on its hard to explain its like a small checkered pattern on the screen.
     
  9. Bad_Ad84

    Bad_Ad84 The Tick

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    There is a huge thread about that on here - easiest way to get rid of it is mod the console to use luma rather than composite video for sync.
     
  10. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    I found the thread after much searching

    http://www.assemblergames.com/forums/showthread.php?34083-N64-RGB-Mod-Poor-quality-image


    I have given the thread a read and I do not understand what luma and c-sync is.

    would you mind explaining to me what I have to do please?


    Thanks Jack
     
  11. Bad_Ad84

    Bad_Ad84 The Tick

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    cut the trace to pin 9, connect pin 9 to pin 7

    Maybe take a picture of the inside of the console, av area and the rgb mod before hand - so we can see if there is anything that would cause problems with this.
     
    Last edited: Aug 15, 2012
  12. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    Thanks for the reply i haven't got a screw driver for the n64 so i bought a gamebit screw driver and i will take some photos and will upload in the next couple of says. Again thx for the help
     
  13. ssj4jaxmazon

    ssj4jaxmazon Rising Member

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    Okay well it turned out that the console is not even rgb modded even though the seller states it is :mad-new:.

    here is the n64

    [​IMG]


    and here is the av

    [​IMG]

    Now I don't know what to do :(
     
    Last edited: Aug 17, 2012
  14. Oldgamingfart

    Oldgamingfart Enthusiastic Member

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    It looks like it has been RGB modded, you can see where the extra surface-mount capacitors and resistors have been installed, along with a diode. Looks like the diode was supposed to go in position D4, but he must've burned up the pads.

    Check the soldering for continuity, especially position C13 which looks a bit odd. You can probably get away with removing (and bridging over) the components all together, then using a Gamecube SCART cable (they have the capacitors in them already).
     
  15. Bad_Ad84

    Bad_Ad84 The Tick

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    There is nothing to check - we know its outputting RGB and above he got all his games working by cleaning the contacts.

    Its just the sync problem in the other link he posted.
     
  16. APE

    APE Site Supporter 2015

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    My Sony PVM displays don't display the checkered pattern at all which is a shame. An alternative to cutting the trace would be to install a sync splitter inside the SCART cable that way you don't have to worry about someone using it later and finding out that composite doesn't work with the result being it getting binned.
     
  17. Bad_Ad84

    Bad_Ad84 The Tick

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    sync splitter doesnt work.
     
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