N64 RGB-Mod Only Sound, No Picture?

Discussion in 'Modding and Hacking - Consoles and Electronics' started by Madsmaten, Sep 17, 2014.

  1. Madsmaten

    Madsmaten Gutsy Member

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    Hey there!
    I have just finished a RGB Mod on a Japanese N64.
    Here is the turtorial I followed: http://www.mmmonkey.co.uk/ntsc-nintendo-64-rgb/
    However, I only get Composite Video, and no RGB.
    I'm not sure, whether it is because of the Mod itself, or the scart cable I am using?
    I have tried to remove the composite connection, from scart.
    It just gave me black screen, with sound.
    So I'm pretty confused.
    I have uploaded a couple of pictures, of the mod below.

    Thank you!!

    - Madsmaten.
    [​IMG]
    [​IMG]

    [​IMG]
     
  2. Bad_Ad84

    Bad_Ad84 The Tick

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    You cant remove the composite video signal as that is used for sync (even with RGB)
     
  3. Madsmaten

    Madsmaten Gutsy Member

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    Do I need to buy another cable then? :)
     
  4. bacteria

    bacteria I am the Bacman

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  5. Madsmaten

    Madsmaten Gutsy Member

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  6. bacteria

    bacteria I am the Bacman

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    0 volts = composite mode on SCART. 1-3 volts needed on pin 16 to tell it RGB mode from your inputs.
     
  7. Madsmaten

    Madsmaten Gutsy Member

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    Okay, I see :(
    So did I do something wrong on the actual mod?
    Or do I need to get another Scart lead?
     
  8. bacteria

    bacteria I am the Bacman

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    No. The SCART needs 1-3v on pin 16 to switch to RGB mode otherwise you'll only get composite. The SCART also can switch between 4:3 and widescreen by a different voltage as per link I gave before. BTW, only resistor you need on your wires is 38ohm on the composite/C-Sync line not on the RGB ones.
     
  9. Madsmaten

    Madsmaten Gutsy Member

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    Here is what I did (Or tried to).
    I have basically just tried to build the Gamecube Scart cable.
    However I can't figure out how that bloody risistor needs to fit (Link: http://members.optushome.com.au/eviltim/gamescart/gamescart.htm#snes ).
    I know it's wrong in the picture :(
    Total Noob here, so sorry!

    [​IMG]
     
    Last edited: Sep 21, 2014
  10. bacteria

    bacteria I am the Bacman

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    Only 1 resistor needed, a 38ohm one, connect one end to the composite pin and other to ground, that's it. What that does is make the picture image darker, as should be, not washed out.
     
  11. bart_simpson

    bart_simpson Dauntless Member

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    ok for these mods its best to use a game cube scart
    i allways use consolegoods.co.uk he does great cables.
     
  12. Madsmaten

    Madsmaten Gutsy Member

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    Just so I am sure.
    I can use this one right? http://www.ebay.com/itm/161132911678?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
    Apperantly 38Ohm resistors aren't the most common, so I figured it couldn't hurt to ask :)

    Thank you, for your very nice help Bacteria!
     
  13. Madsmaten

    Madsmaten Gutsy Member

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    Never mind, the resitor thing.
    I got it figured :)
     
    Last edited: Sep 23, 2014
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