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Thread: PAL N64 S-Video Mod

  1. #1
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    PAL N64 S-Video Mod

    PAL N64 S-Video Mod

    I have always thought my PAL N64 had very poor composite output. Recently I bought a S-Video cable for my JAP N64, and the picture was excellent. I then tried the S-Video cable on my PAL N64, and the picture was no better than composite. As it turns out, the PAL N64 console requires a few extra components to output S-Video. As I wanted to be able to use the same cable on both the JAP & PAL consoles, I decided to mod the console rather than purchase a new cable.

    For further background reading, here are a couple of good resources:

    http://gamesx.com/wiki/doku.php?id=av:nintendomultiav
    http://nfggames.com/forum2/index.php?topic=3460.0

    Components Required:

    1 x 68nF capacitor
    1 x 220uF capacitor
    2 x 75 ohm resistor
    Small piece of Vero board
    Variety of hook up wire
    Nintendo 4.5mm security bit to open the console

    Step one? Disassemble your N64 to get to the underneath of the motherboard. This is easy enough to do, if you need help there is plenty of information that can be found doing a search.

    Step two? Once you have removed the motherboard, turn it upside down and remove the shielding. Notice in the picture on bottom left hand corner there are a series of 12 pins. We are interested in the following:

    G (Ground)
    C (Chroma)
    Y (Luma)



    Also notice the traces from C to C11 and Y to C12. Cut these traces as indicated by the red lines in the picture, being careful not to take out any other traces. Use you multimeter to check when you are done.

    Put some fresh solder on the pins G, C & Y, and the circular solder pads next to C12 & C11. This will help attach wires to them later.

    Step 3 ? Now for the circuit. Refer to the picture below:



    Place the components on the vero board as per the diagram. Be sure to cut the tracks as required so you don?t end up with short circuits. Place wires of about 10-12cm length on the vero board for the connections of:

    (C) Chroma from console
    (Y) Luma from console
    (C) Chrom to AV connector
    (Y) Luma to AV connector
    Ground

    Now strip about 2mm of wire on each connection, and tin them with solder.

    Step 4 ? Refer to the picture below.



    Solder the wires from the circuit on the motherboard in the same direction as illustrated in the picture above. This is necessary to fit under the metal shielding.

    Solder the Chroma (console) wire to solder pad C11
    Solder the Luma (console) wire to solder pad C12
    Solder the Ground wire to point G
    Solder the Chroma (to AV connector) wire to point C
    Solder the Luma (to AV connector) wire to Y

    Step 5 ? Replace the metal shielding. Notice the small amount of clearance available to get the wires through.



    Step 6 ? Place the motherboard & shielding back in the bottom half of the console shell. Using some double sided tape, place the circuit as shown in the picture. Make sure that you cover the entire bottom of the S-Video circuit with tape to insulate it.



    Step 7 ? Reassemble your console, and enjoy a much better picture on your PAL N64 with S-Video!

  2. #2
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    Nice tute! Been thinking of doing this to my PAL N64 and doing the equivalent mod on my PAL SNES

  3. #3
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    Thanks for that guide Roxbury. Totally forgot about this one.
    I have added a link to this thread in the consoles guides sticky for all to see and admire

  4. #4
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    Quote Originally Posted by mamejay View Post
    Thanks for that guide Roxbury. Totally forgot about this one.
    I have added a link to this thread in the consoles guides sticky for all to see and admire
    Mamejay is sticky.

  5. #5
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    I sure am!

  6. #6
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    got a svideo cable off amazon a while ago and got mixed results. Some games/console looked better, also different results between consoles (got a pal black console and the later ice blue) will have to try this !


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